// -------------------------------------------------------------------
int main(int argc, char **argv)
{
char *ERROR_PRM = "Ungueltiger numerischer Wert fuer %s: %s\n!";
// Alle GDAL Treiber registrieren
GDALAllRegister();
// Dateiname der Geotiff-Datei
const char *format = "GTiff";
GDALDriverH h_drv = GDALGetDriverByName( format );
if( h_drv == NULL ) {
error_exit(10,"Treiber %s nicht vorhanden!" ,format);
}
// Test ob Geotiffdateien erzeugt werden koennen
char **test_meta;
test_meta = GDALGetMetadata( h_drv, NULL );
if( ! CSLFetchBoolean( test_meta, GDAL_DCAP_CREATE, FALSE ) ) {
error_exit(10,"Das Format %s kann nicht erzeugt werden" ,format);
}
// 3 Kommandozeilenparameter
if (argc<6) {
error_exit(10,
"Fehlende Parameter\nUsage %s IN OUT EXT SZ ID X Y ID X Y ID X Y....!\n",
argv[0]);
}
// Eingabemuster einlesen
char *ifile = argv[1];
// Ausgabemuster einlesen
char *ofile = argv[2];
// zusammengesetzte Ausgabedatei
char cfile[512];
// Dateierweiterung setzen
char *ext = argv[3];
// Fenstergroesse
int size = 64;
if (! sscanf(argv[4],"%d",&size) ) {
error_exit(1000+3,ERROR_PRM,"SZ",argv[4]);
}
double trfm[] ={0,0,0,0,0,0};
// Vektoren fuer die Positionen und ID
int_vector_t id;
int_vector_init(&id, 10);
dbl_vector_t pos_x;
dbl_vector_init(&pos_x, 10);
dbl_vector_t pos_y;
dbl_vector_init(&pos_y, 10);
// Positionen einlesen
int a = 5; double dbl; int pk;
while( a < argc-2 ) {
// X Koordinate parsen
if (! sscanf(argv[a],"%d",&pk) ) {
error_exit(1000+a,ERROR_PRM,"ID", argv[a]);
}
int_vector_add(&id,pk);
// X Koordinate parsen
if (! sscanf(argv[a+1],"%lf",&dbl) ) {
error_exit(1000+a+1,ERROR_PRM,"X", argv[a+1]);
}
dbl_vector_add(&pos_x,dbl);
// Y Koordinate parsen
if (! sscanf(argv[a+2],"%lf",&dbl) ) {
error_exit(1000+a+2,ERROR_PRM,"Y", argv[a+2]);
}
dbl_vector_add(&pos_y,dbl);
a+=3;
}
// Alle GDAL Treiber registrieren
GDALAllRegister();
// Geotiff oeffnen
printf("# IN FILE: %s\n", ifile);
GDALDatasetH h_dset = GDALOpen( ifile, GA_ReadOnly);
printf("# OUT FILE: %s\n", ofile);
printf("# EXTENTION: %s\n", ext);
// Transformation holen
if( GDALGetGeoTransform( h_dset, trfm ) == CE_None ) {
printf("# TRANSFORM: \n");
printf("# X = %.6f + %.6f * COL + %.6f * ROW\n",
trfm[0], trfm[1], trfm[2] );
printf("# Y = %.6f + %.6f * COL + %.6f * ROW\n# EOF:\n",
trfm[3], trfm[4], trfm[5] );
} else {
error_exit(10, "Keine Transformation im TIFF vorhanden!\n");
}
// Geotiff Fehler abfangen
if( h_dset == NULL ) {
error_exit(10, "Datensatz %s kann nicht geoeffnet werden!\n",
ifile);
}
// Bilddimensionen ermitteln
int img_width = GDALGetRasterXSize( h_dset );
int img_height = GDALGetRasterYSize( h_dset );
int num_bands = GDALGetRasterCount (h_dset );
// Bilddimensionen ermitteln
GDALRasterBandH h_band[num_bands];
GDALDataType h_type[num_bands];
int h_tsize[num_bands];
for(int b=0 ; b<num_bands; b++) {
h_band[b] = GDALGetRasterBand( h_dset, b+1 );
h_type[b] = GDALGetRasterDataType(h_band[b]);
h_tsize[b] = GDALGetDataTypeSize(h_type[b]);
}
// Erzeuge Bildschnitte
for (int c=0; c< pos_x.length; c++ ) {
// Welt zu Pixeltransformation
long icol = -1; long irow = -1;
trfm_geo_pix(trfm, pos_x.data[c], pos_y.data[c],
&icol , &irow);
// Dateinamen erzeugen
sprintf(cfile,"%s.%d%s",ofile, id.data[c],ext);
// Test ob das Schnittfenstrer passt
if (icol-size/2<=0 ||
irow-size/2<=0 ||
icol+size/2>=img_width ||
irow+size/2>=img_height){
printf ("IGN %d %s\n",id.data[c],ofile);
continue;
}
// Schneiden
printf ("ADD %d %s\n",id.data[c],ofile);
int ioffs_col = icol-size/2;
int ioffs_row = irow-size/2;
// Tiff-Datei anlegen
// char **options = NULL;
GDALDatasetH h_dset_out = GDALCreate( h_drv,
cfile, size, size, num_bands, h_type[0], NULL);
// Iteration ueber alle Baender
for (int b=0; b< num_bands; b++) {
// IO Buffer allozieren @todo static
void *io_buffer = CPLMalloc(h_tsize[0] * size * size);
// Pixel lesen
GDALRasterIO( h_band[b], GF_Read,
ioffs_col, ioffs_row, size, size,
io_buffer, size, size, h_type[b], 0, 0 );
// Pixel schreiben
GDALRasterBandH h_band_out = GDALGetRasterBand(h_dset_out, b+1);
GDALRasterIO( h_band_out, GF_Write, 0, 0, size, size,
io_buffer, size, size, h_type[b], 0, 0 );
// IO Buffer freigeben
CPLFree(io_buffer);
}
// resultierendes Tiff flushen und schliessen
GDALClose( h_dset_out );
} // EOF Positions
// Eingangsbild
GDALClose( h_dset);
return 0;
}
bool toprsGadlReader::open()
{
if(isOpen())
{
close();
}
std::string driverNameTmp;
if (theSubDatasets.size() == 0)
{
// Note: Cannot feed GDALOpen a NULL string!
if (theImageFile.size())
{
theDataset = GDALOpen(theImageFile.c_str(), GA_ReadOnly);
if( theDataset == 0 )
{
return false;
}
}
else
{
return false;
}
// Check if it is nitf data for deciding whether or not open each sub-dataset
//This will be removed eventually when toprs can handle 2GB nitf file.
GDALDriverH driverTmp = GDALGetDatasetDriver(theDataset);
bool isNtif = false;
if (driverTmp != 0)
{
driverNameTmp = std::string(GDALGetDriverShortName(driverTmp));
std::transform(driverNameTmp.begin(), driverNameTmp.end(), driverNameTmp.begin(), [&](char ch){return toupper(ch);});
if (driverNameTmp == "NITF")
{
isNtif = true;
}
}
// Check for sub data sets...
char** papszMetadata = GDALGetMetadata( theDataset, "SUBDATASETS" );
if( CSLCount(papszMetadata) > 0 )
{
theSubDatasets.clear();
for( int i = 0; papszMetadata[i] != 0; ++i )
{
std::string os = papszMetadata[i];
if (os.find("_NAME=") != std::string::npos)
{
//Sub sets have already been set. Open each sub-dataset really slow down the process
//specially for hdf data which sometimes has over 100 sub-datasets. Since following code
//only for ntif cloud checking, so only open each sub-dataset here if the dataset is
//nitf. This will be removed eventually when toprs can handle 2GB nitf file.
//Otherwise open a sub-dataset when setCurrentEntry() gets called.
if (isNtif)
{
GDALDatasetH subDataset = GDALOpen(filterSubDatasetsString(os).c_str(),
GA_ReadOnly);
if ( subDataset != 0 )
{
// "Worldview ingest should ignore subimages when NITF_ICAT=CLOUD"
// Hack: Ignore NITF subimages marked as cloud layers.
std::string nitfIcatTag( GDALGetMetadataItem( subDataset, "NITF_ICAT", "" ) );
if ( nitfIcatTag.find("CLOUD") == std::string::npos )
{
theSubDatasets.push_back(filterSubDatasetsString(os));
}
}
GDALClose(subDataset);
}
else
{
theSubDatasets.push_back(filterSubDatasetsString(os));
}
}
}
//---
// Have multiple entries. We're going to default to open the first
// entry like cidcadrg.
//---
close();
theDataset = GDALOpen(theSubDatasets[theEntryNumberToRender].c_str(),
GA_ReadOnly);
if (theDataset == 0)
{
return false;
}
} // End of has subsets block.
} // End of "if (theSubdatasets.size() == 0)"
else
{
// Sub sets have already been set.
theDataset = GDALOpen(theSubDatasets[theEntryNumberToRender].c_str(),
GA_ReadOnly);
if (theDataset == 0)
{
return false;
}
}
// Set the driver.
theDriver = GDALGetDatasetDriver( theDataset );
if(!theDriver) return false;
theGdtType = GDT_Byte;
theOutputGdtType = GDT_Byte;
if(getNumberOfInputBands() < 1 )
{
if(CSLCount(GDALGetMetadata(theDataset, "SUBDATASETS")))
{
std::cout
<< "torsGdalReader::open WARNING:"
<< "\nHas multiple sub datasets and need to set the data before"
<< " we can get to the bands" << std::endl;
}
close();
std::cout
<< "torsGdalReader::open WARNING:"
<< "\nNo band data present in torsGdalReader::open" << std::endl;
return false;
}
toprs_int32 i = 0;
GDALRasterBandH bBand = GDALGetRasterBand( theDataset, 1 );
theGdtType = GDALGetRasterDataType(bBand);
char** papszMetadata = GDALGetMetadata( bBand, NULL );
if (CSLCount(papszMetadata) > 0)
{
for(int i = 0; papszMetadata[i] != NULL; i++ )
{
std::string metaStr = papszMetadata[i];
if (metaStr.find("AREA_OR_POINT") != std::string::npos)
{
//std::string pixel_is_point_or_area = metaStr.split("=")[1];
//pixel_is_point_or_area.downcase();
//if (pixel_is_point_or_area.contains("area"))
// thePixelType = TOPRS_PIXEL_IS_AREA;
break;
}
}
}
if(!isIndexed(1))
{
for(i = 0; i < GDALGetRasterCount(theDataset); ++i)
{
if(theGdtType != GDALGetRasterDataType(GDALGetRasterBand( theDataset,i+1 )))
{
std::cout
<< "torsGdalReader::open WARNING"
<< "\nWe currently do not support different scalar type bands."
<< std::endl;
close();
return false;
}
}
}
theOutputGdtType = theGdtType;
switch(theGdtType)
{
case GDT_CInt16:
{
// theOutputGdtType = GDT_Int16;
theIsComplexFlag = true;
break;
}
case GDT_CInt32:
{
// theOutputGdtType = GDT_Int32;
theIsComplexFlag = true;
break;
}
case GDT_CFloat32:
{
// theOutputGdtType = GDT_Float32;
theIsComplexFlag = true;
break;
}
case GDT_CFloat64:
{
// theOutputGdtType = GDT_Float64;
theIsComplexFlag = true;
break;
}
default:
{
theIsComplexFlag = false;
break;
}
}
if((std::string(GDALGetDriverShortName( theDriver )) == "PNG")&&
(getNumberOfInputBands() == 4))
{
theAlphaChannelFlag = true;
}
populateLut();
computeMinMax();
completeOpen();
theTile = toprsImgFactory::instance()->create(this);
theSingleBandTile = toprsImgFactory::instance()->create(getInputScalarType(), 1);
if ( m_preservePaletteIndexesFlag )
{
theTile->setIndexedFlag(true);
theSingleBandTile->setIndexedFlag(true);
}
theTile->initialize();
theSingleBandTile->initialize();
theGdalBuffer.resize(0);
if(theIsComplexFlag)
{
theGdalBuffer.resize(theSingleBandTile->getSizePerBandInBytes()*2);
}
theImageBound = toprsIRect(0
,0
,GDALGetRasterXSize(theDataset)-1
,GDALGetRasterYSize(theDataset)-1);
int xSize=0, ySize=0;
GDALGetBlockSize(GDALGetRasterBand( theDataset, 1 ),
&xSize,
&ySize);
if (driverNameTmp.find("JPIP")!= std::string::npos || driverNameTmp.find("JP2")!= std::string::npos)
{
m_isBlocked = ((xSize > 1)&&(ySize > 1));
}
else
{
m_isBlocked = false;
}
//if(m_isBlocked)
//{
// setRlevelCache();
//}
return true;
}
int QgsZonalStatistics::calculateStatistics( QProgressDialog* p )
{
if ( !mPolygonLayer || mPolygonLayer->geometryType() != QGis::Polygon )
{
return 1;
}
QgsVectorDataProvider* vectorProvider = mPolygonLayer->dataProvider();
if ( !vectorProvider )
{
return 2;
}
//open the raster layer and the raster band
GDALAllRegister();
GDALDatasetH inputDataset = GDALOpen( TO8F( mRasterFilePath ), GA_ReadOnly );
if ( inputDataset == NULL )
{
return 3;
}
if ( GDALGetRasterCount( inputDataset ) < ( mRasterBand - 1 ) )
{
GDALClose( inputDataset );
return 4;
}
GDALRasterBandH rasterBand = GDALGetRasterBand( inputDataset, mRasterBand );
if ( rasterBand == NULL )
{
GDALClose( inputDataset );
return 5;
}
mInputNodataValue = GDALGetRasterNoDataValue( rasterBand, NULL );
//get geometry info about raster layer
int nCellsXGDAL = GDALGetRasterXSize( inputDataset );
int nCellsYGDAL = GDALGetRasterYSize( inputDataset );
double geoTransform[6];
if ( GDALGetGeoTransform( inputDataset, geoTransform ) != CE_None )
{
GDALClose( inputDataset );
return 6;
}
double cellsizeX = geoTransform[1];
if ( cellsizeX < 0 )
{
cellsizeX = -cellsizeX;
}
double cellsizeY = geoTransform[5];
if ( cellsizeY < 0 )
{
cellsizeY = -cellsizeY;
}
QgsRectangle rasterBBox( geoTransform[0], geoTransform[3] - ( nCellsYGDAL * cellsizeY ),
geoTransform[0] + ( nCellsXGDAL * cellsizeX ), geoTransform[3] );
//add the new count, sum, mean fields to the provider
QList<QgsField> newFieldList;
QString countFieldName = getUniqueFieldName( mAttributePrefix + "count" );
QString sumFieldName = getUniqueFieldName( mAttributePrefix + "sum" );
QString meanFieldName = getUniqueFieldName( mAttributePrefix + "mean" );
QgsField countField( countFieldName, QVariant::Double, "double precision" );
QgsField sumField( sumFieldName, QVariant::Double, "double precision" );
QgsField meanField( meanFieldName, QVariant::Double, "double precision" );
newFieldList.push_back( countField );
newFieldList.push_back( sumField );
newFieldList.push_back( meanField );
vectorProvider->addAttributes( newFieldList );
//index of the new fields
int countIndex = vectorProvider->fieldNameIndex( countFieldName );
int sumIndex = vectorProvider->fieldNameIndex( sumFieldName );
int meanIndex = vectorProvider->fieldNameIndex( meanFieldName );
if ( countIndex == -1 || sumIndex == -1 || meanIndex == -1 )
{
return 8;
}
//progress dialog
long featureCount = vectorProvider->featureCount();
if ( p )
{
p->setMaximum( featureCount );
}
//iterate over each polygon
QgsFeatureRequest request;
request.setSubsetOfAttributes( QgsAttributeList() );
QgsFeatureIterator fi = vectorProvider->getFeatures( request );
QgsFeature f;
double count = 0;
double sum = 0;
double mean = 0;
int featureCounter = 0;
while ( fi.nextFeature( f ) )
{
if ( p )
{
p->setValue( featureCounter );
}
if ( p && p->wasCanceled() )
{
break;
}
QgsGeometry* featureGeometry = f.geometry();
if ( !featureGeometry )
{
++featureCounter;
continue;
}
QgsRectangle featureRect = featureGeometry->boundingBox().intersect( &rasterBBox );
if ( featureRect.isEmpty() )
{
++featureCounter;
continue;
}
int offsetX, offsetY, nCellsX, nCellsY;
if ( cellInfoForBBox( rasterBBox, featureRect, cellsizeX, cellsizeY, offsetX, offsetY, nCellsX, nCellsY ) != 0 )
{
++featureCounter;
continue;
}
//avoid access to cells outside of the raster (may occur because of rounding)
if (( offsetX + nCellsX ) > nCellsXGDAL )
{
nCellsX = nCellsXGDAL - offsetX;
}
if (( offsetY + nCellsY ) > nCellsYGDAL )
{
nCellsY = nCellsYGDAL - offsetY;
}
statisticsFromMiddlePointTest( rasterBand, featureGeometry, offsetX, offsetY, nCellsX, nCellsY, cellsizeX, cellsizeY,
rasterBBox, sum, count );
if ( count <= 1 )
{
//the cell resolution is probably larger than the polygon area. We switch to precise pixel - polygon intersection in this case
statisticsFromPreciseIntersection( rasterBand, featureGeometry, offsetX, offsetY, nCellsX, nCellsY, cellsizeX, cellsizeY,
rasterBBox, sum, count );
}
if ( count == 0 )
{
mean = 0;
}
else
{
mean = sum / count;
}
//write the statistics value to the vector data provider
QgsChangedAttributesMap changeMap;
QgsAttributeMap changeAttributeMap;
changeAttributeMap.insert( countIndex, QVariant( count ) );
changeAttributeMap.insert( sumIndex, QVariant( sum ) );
changeAttributeMap.insert( meanIndex, QVariant( mean ) );
changeMap.insert( f.id(), changeAttributeMap );
vectorProvider->changeAttributeValues( changeMap );
++featureCounter;
}
if ( p )
{
p->setValue( featureCount );
}
GDALClose( inputDataset );
mPolygonLayer->updateFields();
if ( p && p->wasCanceled() )
{
return 9;
}
return 0;
}
int main( int argc, const char* argv[] )
{
GDALDriverH hDriver;
double adfGeoTransform[6];
GDALDatasetH in_Dataset;
GDALDatasetH mask_Dataset;
GDALDatasetH out_Dataset;
GDALRasterBandH mask_band;
char *mask_scan_line, *data_scan_line;
int nBlockXSize, nBlockYSize;
int bGotMin, bGotMax;
int bands;
int xsize;
double adfMinMax[2];
GDALAllRegister();
if ( argc != 2) {
printf("Usage: %s <file to add mask to> \n", argv[0]);
printf("This utility adds a nodata mask to a file, were the datadata value is \"0\"\n");
printf("contact/blame [email protected] for questions/problems.\n");
return 0;
}
/* open datasets..*/
in_Dataset = GDAL_open( argv[1]);
/* add mask.. */
GDALCreateDatasetMaskBand( in_Dataset, 0);
/* Basic info on source dataset..*/
GDALGetBlockSize(GDALGetRasterBand( in_Dataset, 1 ) , &nBlockXSize, &nBlockYSize );
printf( "Block=%dx%d Type=%s, ColorInterp=%s\n",
nBlockXSize, nBlockYSize,
GDALGetDataTypeName(GDALGetRasterDataType( GDALGetRasterBand( in_Dataset, 1 ))),
GDALGetColorInterpretationName(
GDALGetRasterColorInterpretation(GDALGetRasterBand( in_Dataset, 1 ))));
/* Loop though bands, wiping values with mask values of 0.. */
xsize = GDALGetRasterXSize( in_Dataset );
mask_scan_line = (char *) CPLMalloc(sizeof(char)*xsize);
data_scan_line = (char *) CPLMalloc(sizeof(char)*xsize);
for (bands=1; bands <= GDALGetRasterCount( in_Dataset ); bands ++ ) {
int x;
GDALRasterBandH data_band, out_band;
int y_index = 0;
printf("INFO: Doing band %d of %d\n", bands,GDALGetRasterCount( in_Dataset ) );
data_band = GDALGetRasterBand( in_Dataset, bands);
mask_band = GDALGetMaskBand(data_band);
for (y_index = 0; y_index <GDALGetRasterYSize( in_Dataset ); y_index ++ ) {
/* Read data..*/
GDALRasterIO( data_band, GF_Read, 0, y_index, xsize , 1, data_scan_line, xsize , 1, GDT_Byte, 0, 0 );
for(x=0; x < xsize; x++) {
/* if mask is set to 0, then mask off...*/
/* lame nodata handleing, but such is life.. */
if ( data_scan_line[x] == 0 )
mask_scan_line[x]=0;
else
mask_scan_line[x]=255;
}
/* now write out band..*/
GDALRasterIO( mask_band, GF_Write, 0, y_index, xsize , 1, mask_scan_line, xsize , 1, GDT_Byte, 0, 0 );
}
}
GDALClose(in_Dataset);
}
int main(int argc, char *argv[])
{
const char *index_filename = NULL;
const char *tile_index = "location";
int i_arg, ti_field;
OGRDataSourceH hTileIndexDS;
OGRLayerH hLayer = NULL;
OGRFeatureDefnH hFDefn;
int write_absolute_path = FALSE;
char* current_path = NULL;
int i;
int nExistingFiles;
int skip_different_projection = FALSE;
char** existingFilesTab = NULL;
int alreadyExistingProjectionRefValid = FALSE;
char* alreadyExistingProjectionRef = NULL;
char* index_filename_mod;
int bExists;
VSIStatBuf sStatBuf;
const char *pszTargetSRS = "";
int bSetTargetSRS = FALSE;
OGRSpatialReferenceH hTargetSRS = NULL;
/* Check that we are running against at least GDAL 1.4 */
/* Note to developers : if we use newer API, please change the requirement */
if (atoi(GDALVersionInfo("VERSION_NUM")) < 1400)
{
fprintf(stderr, "At least, GDAL >= 1.4.0 is required for this version of %s, "
"which was compiled against GDAL %s\n", argv[0], GDAL_RELEASE_NAME);
exit(1);
}
GDALAllRegister();
OGRRegisterAll();
argc = GDALGeneralCmdLineProcessor( argc, &argv, 0 );
if( argc < 1 )
exit( -argc );
/* -------------------------------------------------------------------- */
/* Get commandline arguments other than the GDAL raster filenames. */
/* -------------------------------------------------------------------- */
for( i_arg = 1; i_arg < argc; i_arg++ )
{
if( EQUAL(argv[i_arg], "--utility_version") )
{
printf("%s was compiled against GDAL %s and is running against GDAL %s\n",
argv[0], GDAL_RELEASE_NAME, GDALVersionInfo("RELEASE_NAME"));
return 0;
}
else if( strcmp(argv[i_arg],"-tileindex") == 0 )
{
tile_index = argv[++i_arg];
}
else if( strcmp(argv[i_arg],"-t_srs") == 0 )
{
pszTargetSRS = argv[++i_arg];
bSetTargetSRS = TRUE;
}
else if ( strcmp(argv[i_arg],"-write_absolute_path") == 0 )
{
write_absolute_path = TRUE;
}
else if ( strcmp(argv[i_arg],"-skip_different_projection") == 0 )
{
skip_different_projection = TRUE;
}
else if( argv[i_arg][0] == '-' )
Usage();
else if( index_filename == NULL )
{
index_filename = argv[i_arg];
i_arg++;
break;
}
}
if( index_filename == NULL || i_arg == argc )
Usage();
/* -------------------------------------------------------------------- */
/* Create and validate target SRS if given. */
/* -------------------------------------------------------------------- */
if( bSetTargetSRS )
{
if ( skip_different_projection )
{
fprintf( stderr,
"Warning : -skip_different_projection does not apply "
"when -t_srs is requested.\n" );
}
hTargetSRS = OSRNewSpatialReference("");
if( OSRSetFromUserInput( hTargetSRS, pszTargetSRS ) != CE_None )
{
OSRDestroySpatialReference( hTargetSRS );
fprintf( stderr, "Invalid target SRS `%s'.\n",
pszTargetSRS );
exit(1);
}
}
/* -------------------------------------------------------------------- */
/* Open or create the target shapefile and DBF file. */
/* -------------------------------------------------------------------- */
index_filename_mod = CPLStrdup(CPLResetExtension(index_filename, "shp"));
bExists = (VSIStat(index_filename_mod, &sStatBuf) == 0);
if (!bExists)
{
CPLFree(index_filename_mod);
index_filename_mod = CPLStrdup(CPLResetExtension(index_filename, "SHP"));
bExists = (VSIStat(index_filename_mod, &sStatBuf) == 0);
}
CPLFree(index_filename_mod);
if (bExists)
{
hTileIndexDS = OGROpen( index_filename, TRUE, NULL );
if (hTileIndexDS != NULL)
{
hLayer = OGR_DS_GetLayer(hTileIndexDS, 0);
}
}
else
{
OGRSFDriverH hDriver;
const char* pszDriverName = "ESRI Shapefile";
printf( "Creating new index file...\n" );
hDriver = OGRGetDriverByName( pszDriverName );
if( hDriver == NULL )
{
printf( "%s driver not available.\n", pszDriverName );
exit( 1 );
}
hTileIndexDS = OGR_Dr_CreateDataSource( hDriver, index_filename, NULL );
if (hTileIndexDS)
{
char* pszLayerName = CPLStrdup(CPLGetBasename(index_filename));
/* get spatial reference for output file from target SRS (if set) */
/* or from first input file */
OGRSpatialReferenceH hSpatialRef = NULL;
if( bSetTargetSRS )
{
hSpatialRef = OSRClone( hTargetSRS );
}
else
{
GDALDatasetH hDS = GDALOpen( argv[i_arg], GA_ReadOnly );
if (hDS)
{
const char* pszWKT = GDALGetProjectionRef(hDS);
if (pszWKT != NULL && pszWKT[0] != '\0')
{
hSpatialRef = OSRNewSpatialReference(pszWKT);
}
GDALClose(hDS);
}
}
hLayer = OGR_DS_CreateLayer( hTileIndexDS, pszLayerName, hSpatialRef, wkbPolygon, NULL );
CPLFree(pszLayerName);
if (hSpatialRef)
OSRRelease(hSpatialRef);
if (hLayer)
{
OGRFieldDefnH hFieldDefn = OGR_Fld_Create( tile_index, OFTString );
OGR_Fld_SetWidth( hFieldDefn, 255);
OGR_L_CreateField( hLayer, hFieldDefn, TRUE );
OGR_Fld_Destroy(hFieldDefn);
}
}
}
if( hTileIndexDS == NULL || hLayer == NULL )
{
fprintf( stderr, "Unable to open/create shapefile `%s'.\n",
index_filename );
exit(2);
}
hFDefn = OGR_L_GetLayerDefn(hLayer);
for( ti_field = 0; ti_field < OGR_FD_GetFieldCount(hFDefn); ti_field++ )
{
OGRFieldDefnH hFieldDefn = OGR_FD_GetFieldDefn( hFDefn, ti_field );
if( strcmp(OGR_Fld_GetNameRef(hFieldDefn), tile_index) == 0 )
break;
}
if( ti_field == OGR_FD_GetFieldCount(hFDefn) )
{
fprintf( stderr, "Unable to find field `%s' in DBF file `%s'.\n",
tile_index, index_filename );
exit(2);
}
/* Load in memory existing file names in SHP */
nExistingFiles = OGR_L_GetFeatureCount(hLayer, FALSE);
if (nExistingFiles)
{
OGRFeatureH hFeature;
existingFilesTab = (char**)CPLMalloc(nExistingFiles * sizeof(char*));
for(i=0;i<nExistingFiles;i++)
{
hFeature = OGR_L_GetNextFeature(hLayer);
existingFilesTab[i] = CPLStrdup(OGR_F_GetFieldAsString( hFeature, ti_field ));
if (i == 0)
{
GDALDatasetH hDS = GDALOpen(existingFilesTab[i], GA_ReadOnly );
if (hDS)
{
alreadyExistingProjectionRefValid = TRUE;
alreadyExistingProjectionRef = CPLStrdup(GDALGetProjectionRef(hDS));
GDALClose(hDS);
}
}
OGR_F_Destroy( hFeature );
}
}
if (write_absolute_path)
{
current_path = CPLGetCurrentDir();
if (current_path == NULL)
{
fprintf( stderr, "This system does not support the CPLGetCurrentDir call. "
"The option -write_absolute_path will have no effect\n");
write_absolute_path = FALSE;
}
}
/* -------------------------------------------------------------------- */
/* loop over GDAL files, processing. */
/* -------------------------------------------------------------------- */
for( ; i_arg < argc; i_arg++ )
{
GDALDatasetH hDS;
double adfGeoTransform[6];
double adfX[5], adfY[5];
int nXSize, nYSize;
char* fileNameToWrite;
const char* projectionRef;
VSIStatBuf sStatBuf;
int k;
OGRFeatureH hFeature;
OGRGeometryH hPoly, hRing;
/* Make sure it is a file before building absolute path name */
if (write_absolute_path && CPLIsFilenameRelative( argv[i_arg] ) &&
VSIStat( argv[i_arg], &sStatBuf ) == 0)
{
fileNameToWrite = CPLStrdup(CPLProjectRelativeFilename(current_path, argv[i_arg]));
}
else
{
fileNameToWrite = CPLStrdup(argv[i_arg]);
}
/* Checks that file is not already in tileindex */
for(i=0;i<nExistingFiles;i++)
{
if (EQUAL(fileNameToWrite, existingFilesTab[i]))
{
fprintf(stderr, "File %s is already in tileindex. Skipping it.\n",
fileNameToWrite);
break;
}
}
if (i != nExistingFiles)
{
CPLFree(fileNameToWrite);
continue;
}
hDS = GDALOpen( argv[i_arg], GA_ReadOnly );
if( hDS == NULL )
{
fprintf( stderr, "Unable to open %s, skipping.\n",
argv[i_arg] );
CPLFree(fileNameToWrite);
continue;
}
GDALGetGeoTransform( hDS, adfGeoTransform );
if( adfGeoTransform[0] == 0.0
&& adfGeoTransform[1] == 1.0
&& adfGeoTransform[3] == 0.0
&& ABS(adfGeoTransform[5]) == 1.0 )
{
fprintf( stderr,
"It appears no georeferencing is available for\n"
"`%s', skipping.\n",
argv[i_arg] );
GDALClose( hDS );
CPLFree(fileNameToWrite);
continue;
}
projectionRef = GDALGetProjectionRef(hDS);
/* if not set target srs, test that the current file uses same projection as others */
if( !bSetTargetSRS )
{
if (alreadyExistingProjectionRefValid)
{
int projectionRefNotNull, alreadyExistingProjectionRefNotNull;
projectionRefNotNull = projectionRef && projectionRef[0];
alreadyExistingProjectionRefNotNull = alreadyExistingProjectionRef && alreadyExistingProjectionRef[0];
if ((projectionRefNotNull &&
alreadyExistingProjectionRefNotNull &&
EQUAL(projectionRef, alreadyExistingProjectionRef) == 0) ||
(projectionRefNotNull != alreadyExistingProjectionRefNotNull))
{
fprintf(stderr, "Warning : %s is not using the same projection system as "
"other files in the tileindex.\n"
"This may cause problems when using it in MapServer for example.\n"
"Use -t_srs option to set target projection system (not supported by MapServer).\n"
"%s\n", argv[i_arg],
(skip_different_projection) ? "Skipping this file." : "");
if (skip_different_projection)
{
CPLFree(fileNameToWrite);
GDALClose( hDS );
continue;
}
}
}
else
{
alreadyExistingProjectionRefValid = TRUE;
alreadyExistingProjectionRef = CPLStrdup(projectionRef);
}
}
nXSize = GDALGetRasterXSize( hDS );
nYSize = GDALGetRasterYSize( hDS );
adfX[0] = adfGeoTransform[0]
+ 0 * adfGeoTransform[1]
+ 0 * adfGeoTransform[2];
adfY[0] = adfGeoTransform[3]
+ 0 * adfGeoTransform[4]
+ 0 * adfGeoTransform[5];
adfX[1] = adfGeoTransform[0]
+ nXSize * adfGeoTransform[1]
+ 0 * adfGeoTransform[2];
adfY[1] = adfGeoTransform[3]
+ nXSize * adfGeoTransform[4]
+ 0 * adfGeoTransform[5];
adfX[2] = adfGeoTransform[0]
+ nXSize * adfGeoTransform[1]
+ nYSize * adfGeoTransform[2];
adfY[2] = adfGeoTransform[3]
+ nXSize * adfGeoTransform[4]
+ nYSize * adfGeoTransform[5];
adfX[3] = adfGeoTransform[0]
+ 0 * adfGeoTransform[1]
+ nYSize * adfGeoTransform[2];
adfY[3] = adfGeoTransform[3]
+ 0 * adfGeoTransform[4]
+ nYSize * adfGeoTransform[5];
adfX[4] = adfGeoTransform[0]
+ 0 * adfGeoTransform[1]
+ 0 * adfGeoTransform[2];
adfY[4] = adfGeoTransform[3]
+ 0 * adfGeoTransform[4]
+ 0 * adfGeoTransform[5];
/* if set target srs, do the forward transformation of all points */
if( bSetTargetSRS )
{
OGRSpatialReferenceH hSourceSRS = NULL;
OGRCoordinateTransformationH hCT = NULL;
hSourceSRS = OSRNewSpatialReference( projectionRef );
if( hSourceSRS && !OSRIsSame( hSourceSRS, hTargetSRS ) )
{
hCT = OCTNewCoordinateTransformation( hSourceSRS, hTargetSRS );
if( hCT == NULL || !OCTTransform( hCT, 5, adfX, adfY, NULL ) )
{
fprintf( stderr,
"Warning : unable to transform points from source SRS `%s' to target SRS `%s'\n"
"for file `%s' - file skipped\n",
projectionRef, pszTargetSRS, fileNameToWrite );
if ( hCT )
OCTDestroyCoordinateTransformation( hCT );
if ( hSourceSRS )
OSRDestroySpatialReference( hSourceSRS );
continue;
}
if ( hCT )
OCTDestroyCoordinateTransformation( hCT );
}
if ( hSourceSRS )
OSRDestroySpatialReference( hSourceSRS );
}
hFeature = OGR_F_Create( OGR_L_GetLayerDefn( hLayer ) );
OGR_F_SetFieldString( hFeature, ti_field, fileNameToWrite );
hPoly = OGR_G_CreateGeometry(wkbPolygon);
hRing = OGR_G_CreateGeometry(wkbLinearRing);
for(k=0;k<5;k++)
OGR_G_SetPoint_2D(hRing, k, adfX[k], adfY[k]);
OGR_G_AddGeometryDirectly( hPoly, hRing );
OGR_F_SetGeometryDirectly( hFeature, hPoly );
if( OGR_L_CreateFeature( hLayer, hFeature ) != OGRERR_NONE )
{
printf( "Failed to create feature in shapefile.\n" );
break;
}
OGR_F_Destroy( hFeature );
CPLFree(fileNameToWrite);
GDALClose( hDS );
}
CPLFree(current_path);
if (nExistingFiles)
{
for(i=0;i<nExistingFiles;i++)
{
CPLFree(existingFilesTab[i]);
}
CPLFree(existingFilesTab);
}
CPLFree(alreadyExistingProjectionRef);
if ( hTargetSRS )
OSRDestroySpatialReference( hTargetSRS );
OGR_DS_Destroy( hTileIndexDS );
GDALDestroyDriverManager();
OGRCleanupAll();
CSLDestroy(argv);
exit( 0 );
}
HRESULT CImage::Open(char* pszPathName,UINT uMode)
{
Close();
m_pszPathName=new char[strlen(pszPathName)+1];
strcpy(m_pszPathName,pszPathName);
if(strcmp(m_pszPathName+strlen(m_pszPathName)-3,"txt")==0)
{
char szPath[512];
memset(szPath,0,512*sizeof(char));
int nPos=-1;
int i=strlen(m_pszPathName)-1;
for(;i>=0;i--)
{
if(m_pszPathName[i]=='\\'||m_pszPathName[i]=='/')
{
nPos=i;
break;
}
}
for(i=0;i<=nPos;i++)
{
szPath[i]=m_pszPathName[i];
}
FILE* fp=fopen(m_pszPathName,"rt");
if(fp==NULL)
{
return S_FALSE;
}
BOOL bGeoCoded=FALSE;
char szBuffer[1024];
char szTag[100],szEqualMark[10],szValue[512];
while(!feof(fp))
{
memset(szBuffer, 0 ,sizeof(char)*1024);
memset(szTag, 0 ,sizeof(char)*100);
memset(szEqualMark, 0 ,sizeof(char)*10);
memset(szValue, 0 ,sizeof(char)*512);
fgets(szBuffer,1023,fp);
sscanf(szBuffer,"%s%s%s",szTag,szEqualMark,szValue);
int nLength=strlen(szValue);
if(nLength>0)
{
if(szValue[nLength-1]==';')
{
szValue[nLength-1]='\0';
}
}
// Parse the satellite ID from the GC report file. [Wei.Zuo,4/15/2009]
if(strcmp(szTag,"satelliteID")==0)
{
if(strcmp(szValue,"\"HJ1A\"")==0)
m_nSatelliteID = 1;
else if(strcmp(szValue,"\"HJ1B\"")==0)
m_nSatelliteID = 2;
else
m_nSatelliteID = 0;
}
else if(strcmp(szTag,"sensorID")==0)
{
if(strcmp(szValue,"\"CCD\"")==0)
{
m_nSensorType=SENSOR_CCD;
m_nBPB=1;
m_datatype=ConvertDataType2GDALDataType(Pixel_Byte);
}
else if(strcmp(szValue,"\"HSI\"")==0)
{
m_nSensorType=SENSOR_HSI;
m_nBPB=2;
m_datatype=ConvertDataType2GDALDataType(Pixel_Int16);
}
else if(strcmp(szValue,"\"IRS\"")==0)
{
m_nSensorType=SENSOR_IRS;
m_nBPB=2;
m_datatype=ConvertDataType2GDALDataType(Pixel_Int16);
}
// Add sensor CCD1 and CCD2. [Wei.Zuo,4/15/2009]
else if(strcmp(szValue,"\"CCD1\"")==0)
{
m_nSensorType=SENSOR_CCD1;
m_nBPB=1;
m_datatype=ConvertDataType2GDALDataType(Pixel_Byte);
}
else if(strcmp(szValue,"\"CCD2\"")==0)
{
m_nSensorType=SENSOR_CCD2;
m_nBPB=1;
m_datatype=ConvertDataType2GDALDataType(Pixel_Byte);
}
// Later will add sensor SAR. [Wei.Zuo,4/15/2009]
}
else if(strcmp(szTag,"ImgNum")==0)
{
m_nImgNum=atoi(szValue);
m_nBandNum=m_nImgNum;
}
else if(strcmp(szTag,"Bands")==0)
{
m_nBandNum=atoi(szValue);
}
else if(strcmp(szTag,"processedImageWidth")==0)
{
m_nCols=atoi(szValue);
}
else if(strcmp(szTag,"processedImageHeight")==0)
{
m_nRows=atoi(szValue);
}
//������Ϣ
else if(strcmp(szTag,"pixelSpacing")==0)
{
m_CellSize=atof(szValue);
bGeoCoded=TRUE;
}
else if(strcmp(szTag,"productLowerLeftX")==0)
{
m_LBX=atof(szValue);
}
else if(strcmp(szTag,"productLowerLeftY")==0)
{
m_LBY=atof(szValue);
}
else if(strcmp(szTag,"productLowerRightX")==0)
{
}
else if(strcmp(szTag,"productLowerRightY")==0)
{
}
else if(strcmp(szTag,"productUpperRightX")==0)
{
m_RTX=atof(szValue);
}
else if(strcmp(szTag,"productUpperRightY")==0)
{
m_RTY=atof(szValue);
}
else if(strcmp(szTag,"productUpperLeftX")==0)
{
}
else if(strcmp(szTag,"productUpperLeftY")==0)
{
}
}
if(m_nBandNum<=0||m_nImgNum<=0)
{
fclose(fp);
return S_FALSE;
}
if(bGeoCoded==FALSE)
{
m_LBX=0;
m_LBY=0;
m_RTX=m_nCols;
m_RTY=m_nRows;
m_CellSize=1.0;
}
m_fpRaws=new FILE*[m_nImgNum];
memset(m_fpRaws,0,sizeof(FILE*)*m_nImgNum);
for(i=0;i<m_nImgNum;i++)
{
char szStdTag[100];
sprintf(szStdTag,"outputdata%d",i);
fseek(fp,0,SEEK_SET);
while(!feof(fp))
{
fgets(szBuffer,1023,fp);
sscanf(szBuffer,"%s%s%s",szTag,szEqualMark,szValue);
if(strcmp(szTag,szStdTag)==0)
{
char szName[512];
memset(szName,0,512*sizeof(char));
int nPos=-1;
int k=strlen(szValue)-1;
for(;k>=0;k--)
{
if(szValue[k]=='\\'||szValue[k]=='/')
{
nPos=k;
break;
}
}
for(k=nPos+1;k<((int)(strlen(szValue)));k++)
{
if(szValue[k]=='\"')
{
break;
}
szName[k-nPos-1]=szValue[k];
}
char szRawPathName[512];
strcpy(szRawPathName,szPath);
strcat(szRawPathName,szName);
if(m_nSensorType==SENSOR_IRS&&i==3&&m_nRows==4500&&m_nCols==4500)
{
char szRawPathNameTemp[512];
sprintf(szRawPathNameTemp,"%s_resample.raw",szRawPathName);
FILE* fpSrc=fopen(szRawPathName,"rb");
FILE* fpDst=fopen(szRawPathNameTemp,"wb");
if(fpSrc==NULL||fpDst==NULL)
{
Close();
fclose(fpSrc);
fclose(fpDst);
return S_FALSE;
}
BYTE* pSrcBuffer=new BYTE[m_nCols/2*m_nBPB];
BYTE* pDstBuffer=new BYTE[m_nCols*m_nBPB];
int m=0,n=0;
for(m=0;m<m_nRows/2;m++)
{
fread(pSrcBuffer,m_nBPB,m_nCols/2,fpSrc);
for(n=0;n<m_nCols/2;n++)
{
memcpy(pDstBuffer+(n*2+0)*m_nBPB,pSrcBuffer+n*m_nBPB,m_nBPB);
memcpy(pDstBuffer+(n*2+1)*m_nBPB,pSrcBuffer+n*m_nBPB,m_nBPB);
}
fwrite(pDstBuffer,m_nBPB,m_nCols,fpDst);
fwrite(pDstBuffer,m_nBPB,m_nCols,fpDst);
}
fclose(fpSrc);
fclose(fpDst);
delete [] pSrcBuffer;
delete [] pDstBuffer;
strcpy(szRawPathName,szRawPathNameTemp);
}
m_fpRaws[i]=fopen(szRawPathName,"rb");
if(m_fpRaws[i]==NULL)
{
Close();
fclose(fp);
return S_FALSE;
}
}
}
}
fclose(fp);
}
else
{
GDALAllRegister();
m_pGdalImage=(GDALDataset*)GDALOpen(m_pszPathName,GA_ReadOnly);
if(m_pGdalImage==NULL)
{
return S_FALSE;
}
//��ȡӰ��ߴ���Ϣ
m_nCols=GDALGetRasterXSize(m_pGdalImage);
m_nRows=GDALGetRasterYSize(m_pGdalImage);
m_nBandNum=GDALGetRasterCount(m_pGdalImage);
if(m_nBandNum<=0)
{
return S_FALSE;
}
m_datatype=GDALGetRasterDataType(GDALGetRasterBand(m_pGdalImage,1));
m_nBPB=GDALGetDataTypeSize(m_datatype)/8;
for(int i=2;i<=m_nBandNum;i++)
{
if(GDALGetRasterDataType(GDALGetRasterBand(m_pGdalImage,i))!=m_datatype)
{
GDALClose(m_pGdalImage);
COutput::OutputFileOpenFailed(m_pszPathName);
return S_FALSE;
}
}
//��ȡ������Ϣ
double grdTransform[6];
memset(grdTransform,0,sizeof(double)*6);
CPLErr error=m_pGdalImage->GetGeoTransform(grdTransform);
if(error==CE_None)
{
double X0,Y0,X2,Y2;
X0=grdTransform[0];
Y0=grdTransform[3];
X2=grdTransform[0]+m_nCols*grdTransform[1]+m_nRows*grdTransform[2];
Y2=grdTransform[3]+m_nCols*grdTransform[4]+m_nRows*grdTransform[5];
m_LBX=__min(X0,X2);
m_LBY=__min(Y0,Y2);
m_RTX=__max(X0,X2);
m_RTY=__max(Y0,Y2);
m_CellSize=fabs(grdTransform[1]);
}
else
{
m_LBX=0;
m_LBY=0;
m_RTX=m_nCols;
m_RTY=m_nRows;
m_CellSize=1.0;
}
}
//��ʼ��������
m_nCacheRow=m_CacheSize/(m_nCols*m_nBandNum*m_nBPB);
if(m_nCacheRow<=0)
{
if(m_pCache)
{
delete [] m_pCache;
}
m_pCache=NULL;
BOOL bMemEnough=FALSE;
int nRow=24000;
while(bMemEnough==FALSE&&nRow>1)
{
try
{
m_nCacheRow=nRow;
m_CacheSize=m_nCols*m_nBandNum*m_nBPB*m_nCacheRow;
m_pCache=new BYTE[m_CacheSize];
bMemEnough=TRUE;
}
catch(...)
{
nRow=nRow/2;
if(nRow<=0)
{
nRow=1;
}
}
}
if(m_pCache==NULL)
{
try
{
m_pCache=new BYTE[m_nCols*m_nBandNum*m_nBPB*1];
m_CacheSize=m_nCols*m_nBandNum*m_nBPB*1;
m_nCacheRow=1;
}
catch(...)
{
COutput::OutputMemoryError();
Close();
return S_FALSE;
}
}
}
if((uMode&modeAqlut)==modeAqlut)
{
//here pHistogram mast write as follows
CHistogram* pHistogram=new CHistogram[m_nBandNum];
for(int i=0;i<m_nBandNum;i++)
{
pHistogram[i].StatHistogram(this,i);
}
m_pHistogram=pHistogram;
pHistogram=NULL;
}
return S_OK;
}
ral_grid_handle RAL_CALL ral_grid_create_using_GDAL(GDALDatasetH dataset, int band, ral_rectangle clip_region, double cell_size)
{
GDALRasterBandH hBand;
GDALDataType datatype;
int M, N, gd_datatype;
int W, H; /* size of the full GDAL raster */
int north_up, east_up, i0, j0, i1, j1, w, h; /* the clip region (P) */
int ws, hs; /* the size of the buffer into which to rasterIO to */
CPLErr err;
ral_grid *gd_s = NULL, *gd_t = NULL;
double t[6] = {0,1,0,0,0,1}; /* the geotransformation P -> G */
double tx[6]; /* the inverse geotransformation G -> P */
ral_rectangle GDAL; /* boundaries of the GDAL raster */
ral_point p0, p1, p2, p3; /* locations of corners of clip region:
top left, top right, bottom right, bottom left, i.e,
0,0 W',0 W',H' 0,H' */
CPLPushErrorHandler(ral_cpl_error);
GDALGetGeoTransform(dataset, t);
north_up = (t[2] == 0) AND (t[4] == 0);
east_up = (t[1] == 0) AND (t[5] == 0);
/*fprintf(stderr, "\nt is\n%f %f %f\n%f %f %f\n", t[0],t[1],t[2],t[3],t[4],t[5]);*/
W = GDALGetRasterXSize(dataset);
H = GDALGetRasterYSize(dataset);
/*fprintf(stderr, "cell size is %f, raster size is %i %i\n", cell_size, W, H);*/
/* test all corners to find the min & max xg and yg */
{
double x, y;
P2G(0, 0, t, GDAL.min.x, GDAL.min.y);
GDAL.max.x = GDAL.min.x;
GDAL.max.y = GDAL.min.y;
P2G(0, H, t, x, y);
GDAL.min.x = MIN(x, GDAL.min.x);
GDAL.min.y = MIN(y, GDAL.min.y);
GDAL.max.x = MAX(x, GDAL.max.x);
GDAL.max.y = MAX(y, GDAL.max.y);
P2G(W, H, t, x, y);
GDAL.min.x = MIN(x, GDAL.min.x);
GDAL.min.y = MIN(y, GDAL.min.y);
GDAL.max.x = MAX(x, GDAL.max.x);
GDAL.max.y = MAX(y, GDAL.max.y);
P2G(W, 0, t, x, y);
GDAL.min.x = MIN(x, GDAL.min.x);
GDAL.min.y = MIN(y, GDAL.min.y);
GDAL.max.x = MAX(x, GDAL.max.x);
GDAL.max.y = MAX(y, GDAL.max.y);
}
/*fprintf(stderr, "clip region is %f %f %f %f\n", clip_region.min.x, clip_region.min.y, clip_region.max.x, clip_region.max.y);
fprintf(stderr, "GDAL raster is %f %f %f %f\n", GDAL.min.x, GDAL.min.y, GDAL.max.x, GDAL.max.y);*/
clip_region.min.x = MAX(clip_region.min.x, GDAL.min.x);
clip_region.min.y = MAX(clip_region.min.y, GDAL.min.y);
clip_region.max.x = MIN(clip_region.max.x, GDAL.max.x);
clip_region.max.y = MIN(clip_region.max.y, GDAL.max.y);
/*fprintf(stderr, "visible region is %f %f %f %f\n", clip_region.min.x, clip_region.min.y, clip_region.max.x, clip_region.max.y);*/
RAL_CHECK((clip_region.min.x < clip_region.max.x) AND (clip_region.min.y < clip_region.max.y));
/* the inverse transformation, from georeferenced space to pixel space */
{
double tmp = t[2]*t[4] - t[1]*t[5];
tx[0] = (t[0]*t[5] - t[2]*t[3])/tmp;
tx[1] = -t[5]/tmp;
tx[2] = t[2]/tmp;
tx[3] = (t[1]*t[3] - t[0]*t[4])/tmp;
tx[4] = t[4]/tmp;
tx[5] = -t[1]/tmp;
}
/* the clip region in pixel space */
/* test all corners to find the min & max xp and yp (j0..j1, i0..i1) */
{
int i, j;
G2P(clip_region.min.x, clip_region.min.y, tx, j0, i0);
j1 = j0;
i1 = i0;
G2P(clip_region.min.x, clip_region.max.y, tx, j, i);
j0 = MIN(j, j0);
i0 = MIN(i, i0);
j1 = MAX(j, j1);
i1 = MAX(i, i1);
G2P(clip_region.max.x, clip_region.max.y, tx, j, i);
j0 = MIN(j, j0);
i0 = MIN(i, i0);
j1 = MAX(j, j1);
i1 = MAX(i, i1);
G2P(clip_region.max.x, clip_region.min.y, tx, j, i);
j0 = MIN(j, j0);
i0 = MIN(i, i0);
j1 = MAX(j, j1);
i1 = MAX(i, i1);
j0 = MAX(j0, 0); j0 = MIN(j0, W-1);
j1 = MAX(j1, 0); j1 = MIN(j1, W-1);
i0 = MAX(i0, 0); i0 = MIN(i0, H-1);
i1 = MAX(i1, 0); i1 = MIN(i1, H-1);
}
w = j1 - j0 + 1;
h = i1 - i0 + 1;
/*fprintf(stderr, "visible region in raster is %i %i %i %i\n", j0, i0, j1, i1);*/
RAL_CHECK(w > 0 AND h > 0);
/* the corners of the raster clip */
P2G(j0, i0, t, p0.x, p0.y);
P2G(j1+1, i0, t, p1.x, p1.y);
P2G(j1+1, i1+1, t, p2.x, p2.y);
P2G(j0, i1+1, t, p3.x, p3.y);
/*fprintf(stderr, "source corners: (%f,%f %f,%f %f,%f %f,%f)\n", p0.x, p0.y, p1.x, p1.y, p2.x, p2.y, p3.x, p3.y);*/
/* the width and height of the resized raster clip */
/* the resized clip has the same corner coordinates as the clip */
ws = round(sqrt((p1.x-p0.x)*(p1.x-p0.x)+(p1.y-p0.y)*(p1.y-p0.y))/cell_size);
hs = round(sqrt((p1.x-p2.x)*(p1.x-p2.x)+(p1.y-p2.y)*(p1.y-p2.y))/cell_size);
/*fprintf(stderr, "clipped source size is %i, %i\n", ws, hs);*/
hBand = GDALGetRasterBand(dataset, band);
RAL_CHECK(hBand);
switch (GDALGetRasterDataType(hBand)) {
case GDT_Byte:
case GDT_UInt16:
case GDT_Int16:
case GDT_UInt32:
case GDT_Int32:
gd_datatype = RAL_INTEGER_GRID;
switch (sizeof(RAL_INTEGER)) { /* hmm.. this breaks if INTEGER is unsigned */
case 1:
datatype = GDT_Byte;
break;
case 2:
datatype = GDT_Int16;
break;
case 4:
datatype = GDT_Int32;
break;
default:
RAL_CHECKM(0, ral_msg("Strange sizeof(INTEGER): %i",sizeof(RAL_INTEGER)));
}
break;
case GDT_Float32:
case GDT_Float64:
gd_datatype = RAL_REAL_GRID;
switch (sizeof(RAL_REAL)) {
case 4:
datatype = GDT_Float32;
break;
case 8:
datatype = GDT_Float64;
break;
default:
RAL_CHECKM(0, ral_msg("Strange sizeof(REAL): %i", sizeof(RAL_REAL)));
}
break;
default:
RAL_CHECKM(0, "complex data type not supported");
}
/* size of the grid in display */
M = ceil(fabs(clip_region.max.y - clip_region.min.y)/cell_size);
N = ceil(fabs(clip_region.max.x - clip_region.min.x)/cell_size);
/*fprintf(stderr, "display size is %i, %i\n", N, M);*/
RAL_CHECK(gd_s = ral_grid_create(gd_datatype, hs, ws));
RAL_CHECK(gd_t = ral_grid_create(gd_datatype, M, N));
ral_grid_set_bounds_csnx(gd_t, cell_size, clip_region.min.x, clip_region.max.y);
err = GDALRasterIO(hBand, GF_Read, j0, i0, w, h, gd_s->data, ws, hs, datatype, 0, 0);
RAL_CHECK(err == CE_None);
{
int success;
double nodata_value = GDALGetRasterNoDataValue(hBand, &success);
if (success) {
RAL_CHECK(ral_grid_set_real_nodata_value(gd_t, nodata_value));
RAL_CHECK(ral_grid_set_all_nodata(gd_t));
} else {
RAL_CHECK(ral_grid_set_real_nodata_value(gd_t, -9999)); /* change this! */
RAL_CHECK(ral_grid_set_all_nodata(gd_t));
}
}
/* from source to target */
{
/* b = from p0 to p1 */
double bx = p1.x - p0.x;
double by = p1.y - p0.y;
double b = east_up ? 0 : bx/by;
double b2 = east_up ? 1 : sqrt(1+1/b/b);
/*fprintf(stderr, "b = %f %f (%f)\n", bx, by, b);*/
/* c = from p0 to p3 */
double cx = p3.x - p0.x;
double cy = p3.y - p0.y;
double c = north_up ? 0 : cx/cy;
double c2 = north_up ? 1 : sqrt(1+1/c/c);
/*fprintf(stderr, "c = %f %f (%f)\n", cx, cy, c);*/
ral_cell cs, ct;
switch (gd_t->datatype) {
case RAL_REAL_GRID:
RAL_FOR(ct, gd_t) {
/* p = the location of the center of the target pixel in georeferenced coordinates */
double px = clip_region.min.x + cell_size*(ct.j+0.5);
double py = clip_region.max.y - cell_size*(ct.i+0.5);
/* vector a = from p0 to p */
double ax = px - p0.x;
double ay = py - p0.y;
/* x = the vector from p0 to the beginning of y */
double x = east_up ? ay : (north_up ? ax : (ax-c*ay)/(1-c/b));
if (!east_up AND !north_up AND (x/b > 0)) continue;
/* the length */
x = fabs(x)*b2;
/* y = length of the parallel to c vector from b to p */
double y = east_up ? ax : (north_up ? ay : (ax-b*ay)/(1-b/c));
if (!east_up AND !north_up AND (y/c < 0)) continue;
/* the length */
y = fabs(y)*c2;
ral_cell cs; /* the coordinates in the clipped raster */
cs.j = floor(x/cell_size);
cs.i = floor(y/cell_size);
if (RAL_GRID_CELL_IN(gd_s, cs))
RAL_REAL_GRID_CELL(gd_t, ct) = RAL_REAL_GRID_CELL(gd_s, cs);
}
break;
case RAL_INTEGER_GRID:
RAL_FOR(ct, gd_t) {
/* p = the location of the center of the target pixel in georeferenced coordinates */
double px = clip_region.min.x + cell_size*(ct.j+0.5);
double py = clip_region.max.y - cell_size*(ct.i+0.5);
/* vector a = from p0 to p */
double ax = px - p0.x;
double ay = py - p0.y;
/* x = the vector from p0 to the beginning of y */
double x = east_up ? ay : (north_up ? ax : (ax-c*ay)/(1-c/b));
if (!east_up AND !north_up AND (x/b > 0)) continue;
/* the length */
x = fabs(x)*b2;
/* y = length of the parallel to c vector from b to p */
double y = east_up ? ax : (north_up ? ay : (ax-b*ay)/(1-b/c));
if (!east_up AND !north_up AND (y/c < 0)) continue;
/* the length */
y = fabs(y)*c2;
ral_cell cs; /* the coordinates in the clipped raster */
cs.j = floor(x/cell_size);
cs.i = floor(y/cell_size);
/*
if ((cs.i == 0 AND cs.j == 0) OR (cs.i == hs-1 AND cs.j == 0) OR
(cs.i == 0 AND cs.j == ws-1) OR (cs.i == hs-1 AND cs.j == ws-1) OR
(ct.i == 0 AND ct.j == 0) OR (ct.i == M-1 AND ct.j == N-1)) {
fprintf(stderr, "p = %f %f\n", px, py);
fprintf(stderr, "a = %f %f\n", ax, ay);
fprintf(stderr, "x = %f\n", x);
fprintf(stderr, "y = %f\n", y);
fprintf(stderr, "copy %i, %i -> %i, %i\n", cs.j, cs.i, ct.j, ct.i);
}
*/
if (RAL_GRID_CELL_IN(gd_s, cs)) {
RAL_INTEGER_GRID_CELL(gd_t, ct) = RAL_INTEGER_GRID_CELL(gd_s, cs);
}
}
}
int main( int argc, char ** argv )
{
const char *pszLocX = NULL, *pszLocY = NULL;
const char *pszSrcFilename = NULL;
char *pszSourceSRS = NULL;
std::vector<int> anBandList;
bool bAsXML = false, bLIFOnly = false;
bool bQuiet = false, bValOnly = false;
int nOverview = -1;
char **papszOpenOptions = NULL;
GDALAllRegister();
argc = GDALGeneralCmdLineProcessor( argc, &argv, 0 );
if( argc < 1 )
exit( -argc );
/* -------------------------------------------------------------------- */
/* Parse arguments. */
/* -------------------------------------------------------------------- */
int i;
for( i = 1; i < argc; i++ )
{
if( EQUAL(argv[i], "--utility_version") )
{
printf("%s was compiled against GDAL %s and is running against GDAL %s\n",
argv[0], GDAL_RELEASE_NAME, GDALVersionInfo("RELEASE_NAME"));
return 0;
}
else if( EQUAL(argv[i],"-b") && i < argc-1 )
{
anBandList.push_back( atoi(argv[++i]) );
}
else if( EQUAL(argv[i],"-overview") && i < argc-1 )
{
nOverview = atoi(argv[++i]) - 1;
}
else if( EQUAL(argv[i],"-l_srs") && i < argc-1 )
{
CPLFree(pszSourceSRS);
pszSourceSRS = SanitizeSRS(argv[++i]);
}
else if( EQUAL(argv[i],"-geoloc") )
{
CPLFree(pszSourceSRS);
pszSourceSRS = CPLStrdup("-geoloc");
}
else if( EQUAL(argv[i],"-wgs84") )
{
CPLFree(pszSourceSRS);
pszSourceSRS = SanitizeSRS("WGS84");
}
else if( EQUAL(argv[i],"-xml") )
{
bAsXML = true;
}
else if( EQUAL(argv[i],"-lifonly") )
{
bLIFOnly = true;
bQuiet = true;
}
else if( EQUAL(argv[i],"-valonly") )
{
bValOnly = true;
bQuiet = true;
}
else if( EQUAL(argv[i], "-oo") && i < argc-1 )
{
papszOpenOptions = CSLAddString( papszOpenOptions,
argv[++i] );
}
else if( argv[i][0] == '-' && !isdigit(argv[i][1]) )
Usage();
else if( pszSrcFilename == NULL )
pszSrcFilename = argv[i];
else if( pszLocX == NULL )
pszLocX = argv[i];
else if( pszLocY == NULL )
pszLocY = argv[i];
else
Usage();
}
if( pszSrcFilename == NULL || (pszLocX != NULL && pszLocY == NULL) )
Usage();
/* -------------------------------------------------------------------- */
/* Open source file. */
/* -------------------------------------------------------------------- */
GDALDatasetH hSrcDS = NULL;
hSrcDS = GDALOpenEx( pszSrcFilename, GDAL_OF_RASTER, NULL,
(const char* const* )papszOpenOptions, NULL );
if( hSrcDS == NULL )
exit( 1 );
/* -------------------------------------------------------------------- */
/* Setup coordinate transformation, if required */
/* -------------------------------------------------------------------- */
OGRSpatialReferenceH hSrcSRS = NULL, hTrgSRS = NULL;
OGRCoordinateTransformationH hCT = NULL;
if( pszSourceSRS != NULL && !EQUAL(pszSourceSRS,"-geoloc") )
{
hSrcSRS = OSRNewSpatialReference( pszSourceSRS );
hTrgSRS = OSRNewSpatialReference( GDALGetProjectionRef( hSrcDS ) );
hCT = OCTNewCoordinateTransformation( hSrcSRS, hTrgSRS );
if( hCT == NULL )
exit( 1 );
}
/* -------------------------------------------------------------------- */
/* If no bands were requested, we will query them all. */
/* -------------------------------------------------------------------- */
if( anBandList.size() == 0 )
{
for( i = 0; i < GDALGetRasterCount( hSrcDS ); i++ )
anBandList.push_back( i+1 );
}
/* -------------------------------------------------------------------- */
/* Turn the location into a pixel and line location. */
/* -------------------------------------------------------------------- */
int inputAvailable = 1;
double dfGeoX;
double dfGeoY;
CPLString osXML;
if( pszLocX == NULL && pszLocY == NULL )
{
if (fscanf(stdin, "%lf %lf", &dfGeoX, &dfGeoY) != 2)
{
inputAvailable = 0;
}
}
else
{
dfGeoX = CPLAtof(pszLocX);
dfGeoY = CPLAtof(pszLocY);
}
while (inputAvailable)
{
int iPixel, iLine;
if (hCT)
{
if( !OCTTransform( hCT, 1, &dfGeoX, &dfGeoY, NULL ) )
exit( 1 );
}
if( pszSourceSRS != NULL )
{
double adfGeoTransform[6], adfInvGeoTransform[6];
if( GDALGetGeoTransform( hSrcDS, adfGeoTransform ) != CE_None )
{
CPLError(CE_Failure, CPLE_AppDefined, "Cannot get geotransform");
exit( 1 );
}
if( !GDALInvGeoTransform( adfGeoTransform, adfInvGeoTransform ) )
{
CPLError(CE_Failure, CPLE_AppDefined, "Cannot invert geotransform");
exit( 1 );
}
iPixel = (int) floor(
adfInvGeoTransform[0]
+ adfInvGeoTransform[1] * dfGeoX
+ adfInvGeoTransform[2] * dfGeoY );
iLine = (int) floor(
adfInvGeoTransform[3]
+ adfInvGeoTransform[4] * dfGeoX
+ adfInvGeoTransform[5] * dfGeoY );
}
else
{
iPixel = (int) floor(dfGeoX);
iLine = (int) floor(dfGeoY);
}
/* -------------------------------------------------------------------- */
/* Prepare report. */
/* -------------------------------------------------------------------- */
CPLString osLine;
if( bAsXML )
{
osLine.Printf( "<Report pixel=\"%d\" line=\"%d\">",
iPixel, iLine );
osXML += osLine;
}
else if( !bQuiet )
{
printf( "Report:\n" );
printf( " Location: (%dP,%dL)\n", iPixel, iLine );
}
int bPixelReport = TRUE;
if( iPixel < 0 || iLine < 0
|| iPixel >= GDALGetRasterXSize( hSrcDS )
|| iLine >= GDALGetRasterYSize( hSrcDS ) )
{
if( bAsXML )
osXML += "<Alert>Location is off this file! No further details to report.</Alert>";
else if( bValOnly )
printf("\n");
else if( !bQuiet )
printf( "\nLocation is off this file! No further details to report.\n");
bPixelReport = FALSE;
}
/* -------------------------------------------------------------------- */
/* Process each band. */
/* -------------------------------------------------------------------- */
for( i = 0; bPixelReport && i < (int) anBandList.size(); i++ )
{
GDALRasterBandH hBand = GDALGetRasterBand( hSrcDS, anBandList[i] );
int iPixelToQuery = iPixel;
int iLineToQuery = iLine;
if (nOverview >= 0 && hBand != NULL)
{
GDALRasterBandH hOvrBand = GDALGetOverview(hBand, nOverview);
if (hOvrBand != NULL)
{
int nOvrXSize = GDALGetRasterBandXSize(hOvrBand);
int nOvrYSize = GDALGetRasterBandYSize(hOvrBand);
iPixelToQuery = (int)(0.5 + 1.0 * iPixel / GDALGetRasterXSize( hSrcDS ) * nOvrXSize);
iLineToQuery = (int)(0.5 + 1.0 * iLine / GDALGetRasterYSize( hSrcDS ) * nOvrYSize);
if (iPixelToQuery >= nOvrXSize)
iPixelToQuery = nOvrXSize - 1;
if (iLineToQuery >= nOvrYSize)
iLineToQuery = nOvrYSize - 1;
}
else
{
CPLError(CE_Failure, CPLE_AppDefined,
"Cannot get overview %d of band %d",
nOverview + 1, anBandList[i] );
}
hBand = hOvrBand;
}
if (hBand == NULL)
continue;
if( bAsXML )
{
osLine.Printf( "<BandReport band=\"%d\">", anBandList[i] );
osXML += osLine;
}
else if( !bQuiet )
{
printf( " Band %d:\n", anBandList[i] );
}
/* -------------------------------------------------------------------- */
/* Request location info for this location. It is possible */
/* only the VRT driver actually supports this. */
/* -------------------------------------------------------------------- */
CPLString osItem;
osItem.Printf( "Pixel_%d_%d", iPixelToQuery, iLineToQuery );
const char *pszLI = GDALGetMetadataItem( hBand, osItem, "LocationInfo");
if( pszLI != NULL )
{
if( bAsXML )
osXML += pszLI;
else if( !bQuiet )
printf( " %s\n", pszLI );
else if( bLIFOnly )
{
/* Extract all files, if any. */
CPLXMLNode *psRoot = CPLParseXMLString( pszLI );
if( psRoot != NULL
&& psRoot->psChild != NULL
&& psRoot->eType == CXT_Element
&& EQUAL(psRoot->pszValue,"LocationInfo") )
{
CPLXMLNode *psNode;
for( psNode = psRoot->psChild;
psNode != NULL;
psNode = psNode->psNext )
{
if( psNode->eType == CXT_Element
&& EQUAL(psNode->pszValue,"File")
&& psNode->psChild != NULL )
{
char* pszUnescaped = CPLUnescapeString(
psNode->psChild->pszValue, NULL, CPLES_XML);
printf( "%s\n", pszUnescaped );
CPLFree(pszUnescaped);
}
}
}
CPLDestroyXMLNode( psRoot );
}
}
/* -------------------------------------------------------------------- */
/* Report the pixel value of this band. */
/* -------------------------------------------------------------------- */
double adfPixel[2];
if( GDALRasterIO( hBand, GF_Read, iPixelToQuery, iLineToQuery, 1, 1,
adfPixel, 1, 1, GDT_CFloat64, 0, 0) == CE_None )
{
CPLString osValue;
if( GDALDataTypeIsComplex( GDALGetRasterDataType( hBand ) ) )
osValue.Printf( "%.15g+%.15gi", adfPixel[0], adfPixel[1] );
else
osValue.Printf( "%.15g", adfPixel[0] );
if( bAsXML )
{
osXML += "<Value>";
osXML += osValue;
osXML += "</Value>";
}
else if( !bQuiet )
printf( " Value: %s\n", osValue.c_str() );
else if( bValOnly )
printf( "%s\n", osValue.c_str() );
// Report unscaled if we have scale/offset values.
int bSuccess;
double dfOffset = GDALGetRasterOffset( hBand, &bSuccess );
double dfScale = GDALGetRasterScale( hBand, &bSuccess );
if( dfOffset != 0.0 || dfScale != 1.0 )
{
adfPixel[0] = adfPixel[0] * dfScale + dfOffset;
adfPixel[1] = adfPixel[1] * dfScale + dfOffset;
if( GDALDataTypeIsComplex( GDALGetRasterDataType( hBand ) ) )
osValue.Printf( "%.15g+%.15gi", adfPixel[0], adfPixel[1] );
else
osValue.Printf( "%.15g", adfPixel[0] );
if( bAsXML )
{
osXML += "<DescaledValue>";
osXML += osValue;
osXML += "</DescaledValue>";
}
else if( !bQuiet )
printf( " Descaled Value: %s\n", osValue.c_str() );
}
}
if( bAsXML )
osXML += "</BandReport>";
}
osXML += "</Report>";
if( (pszLocX != NULL && pszLocY != NULL) ||
(fscanf(stdin, "%lf %lf", &dfGeoX, &dfGeoY) != 2) )
{
inputAvailable = 0;
}
}
/* -------------------------------------------------------------------- */
/* Finalize xml report and print. */
/* -------------------------------------------------------------------- */
if( bAsXML )
{
CPLXMLNode *psRoot;
char *pszFormattedXML;
psRoot = CPLParseXMLString( osXML );
pszFormattedXML = CPLSerializeXMLTree( psRoot );
CPLDestroyXMLNode( psRoot );
printf( "%s", pszFormattedXML );
CPLFree( pszFormattedXML );
}
/* -------------------------------------------------------------------- */
/* Cleanup */
/* -------------------------------------------------------------------- */
if (hCT) {
OSRDestroySpatialReference( hSrcSRS );
OSRDestroySpatialReference( hTrgSRS );
OCTDestroyCoordinateTransformation( hCT );
}
if (hSrcDS)
GDALClose(hSrcDS);
GDALDumpOpenDatasets( stderr );
GDALDestroyDriverManager();
CPLFree(pszSourceSRS);
CSLDestroy(papszOpenOptions);
CSLDestroy( argv );
return 0;
}
static void test_gdal_to_raster() {
rt_pixtype pixtype = PT_64BF;
rt_band band = NULL;
rt_raster raster;
rt_raster rast;
const uint32_t width = 100;
const uint32_t height = 100;
uint32_t x;
uint32_t y;
int v;
double values[width][height];
int rtn = 0;
double value;
GDALDriverH gddrv = NULL;
GDALDatasetH gdds = NULL;
raster = rt_raster_new(width, height);
CU_ASSERT(raster != NULL); /* or we're out of virtual memory */
band = cu_add_band(raster, pixtype, 1, 0);
CU_ASSERT(band != NULL);
for (x = 0; x < width; x++) {
for (y = 0; y < height; y++) {
values[x][y] = (((double) x * y) + (x + y) + (x + y * x)) / (x + y + 1);
rt_band_set_pixel(band, x, y, values[x][y], NULL);
}
}
gdds = rt_raster_to_gdal_mem(raster, NULL, NULL, NULL, 0, &gddrv);
CU_ASSERT(gddrv != NULL);
CU_ASSERT(gdds != NULL);
CU_ASSERT_EQUAL(GDALGetRasterXSize(gdds), width);
CU_ASSERT_EQUAL(GDALGetRasterYSize(gdds), height);
rast = rt_raster_from_gdal_dataset(gdds);
CU_ASSERT(rast != NULL);
CU_ASSERT_EQUAL(rt_raster_get_num_bands(rast), 1);
band = rt_raster_get_band(rast, 0);
CU_ASSERT(band != NULL);
for (x = 0; x < width; x++) {
for (y = 0; y < height; y++) {
rtn = rt_band_get_pixel(band, x, y, &value, NULL);
CU_ASSERT_EQUAL(rtn, ES_NONE);
CU_ASSERT_DOUBLE_EQUAL(value, values[x][y], DBL_EPSILON);
}
}
GDALClose(gdds);
gdds = NULL;
gddrv = NULL;
cu_free_raster(rast);
cu_free_raster(raster);
raster = rt_raster_new(width, height);
CU_ASSERT(raster != NULL); /* or we're out of virtual memory */
pixtype = PT_8BSI;
band = cu_add_band(raster, pixtype, 1, 0);
CU_ASSERT(band != NULL);
v = -127;
for (x = 0; x < width; x++) {
for (y = 0; y < height; y++) {
values[x][y] = v++;
rt_band_set_pixel(band, x, y, values[x][y], NULL);
if (v == 128)
v = -127;
}
}
gdds = rt_raster_to_gdal_mem(raster, NULL, NULL, NULL, 0, &gddrv);
CU_ASSERT(gddrv != NULL);
CU_ASSERT(gdds != NULL);
CU_ASSERT_EQUAL(GDALGetRasterXSize(gdds), width);
CU_ASSERT_EQUAL(GDALGetRasterYSize(gdds), height);
rast = rt_raster_from_gdal_dataset(gdds);
CU_ASSERT(rast != NULL);
CU_ASSERT_EQUAL(rt_raster_get_num_bands(rast), 1);
band = rt_raster_get_band(rast, 0);
CU_ASSERT(band != NULL);
CU_ASSERT_EQUAL(rt_band_get_pixtype(band), PT_16BSI);
for (x = 0; x < width; x++) {
for (y = 0; y < height; y++) {
rtn = rt_band_get_pixel(band, x, y, &value, NULL);
CU_ASSERT_EQUAL(rtn, ES_NONE);
CU_ASSERT_DOUBLE_EQUAL(value, values[x][y], 1.);
}
}
GDALClose(gdds);
cu_free_raster(rast);
cu_free_raster(raster);
}
int main( int argc, char ** argv )
{
/* Check that we are running against at least GDAL 1.4 (probably older in fact !) */
/* Note to developers : if we use newer API, please change the requirement */
if (atoi(GDALVersionInfo("VERSION_NUM")) < 1400)
{
fprintf(stderr, "At least, GDAL >= 1.4.0 is required for this version of %s, "
"which was compiled against GDAL %s\n", argv[0], GDAL_RELEASE_NAME);
exit(1);
}
/* -------------------------------------------------------------------- */
/* Generic arg processing. */
/* -------------------------------------------------------------------- */
GDALAllRegister();
GDALSetCacheMax( 100000000 );
argc = GDALGeneralCmdLineProcessor( argc, &argv, 0 );
if( argc < 1 )
exit( -argc );
/* -------------------------------------------------------------------- */
/* Parse arguments. */
/* -------------------------------------------------------------------- */
int i;
const char *pszOutFile = NULL;
const char *pszInFile = NULL;
int nMaxNonBlack = 2;
int nNearDist = 15;
int bNearWhite = FALSE;
for( i = 1; i < argc; i++ )
{
if( EQUAL(argv[i], "--utility_version") )
{
printf("%s was compiled against GDAL %s and is running against GDAL %s\n",
argv[0], GDAL_RELEASE_NAME, GDALVersionInfo("RELEASE_NAME"));
return 0;
}
else if( EQUAL(argv[i], "-o") && i < argc-1 )
pszOutFile = argv[++i];
else if( EQUAL(argv[i], "-white") )
bNearWhite = TRUE;
else if( EQUAL(argv[i], "-nb") && i < argc-1 )
nMaxNonBlack = atoi(argv[++i]);
else if( EQUAL(argv[i], "-near") && i < argc-1 )
nNearDist = atoi(argv[++i]);
else if( argv[i][0] == '-' )
Usage();
else if( pszInFile == NULL )
pszInFile = argv[i];
else
Usage();
}
if( pszInFile == NULL )
Usage();
if( pszOutFile == NULL )
pszOutFile = pszInFile;
/* -------------------------------------------------------------------- */
/* Open input file. */
/* -------------------------------------------------------------------- */
GDALDatasetH hInDS, hOutDS = NULL;
int nXSize, nYSize, nBands;
if( pszOutFile == pszInFile )
hInDS = hOutDS = GDALOpen( pszInFile, GA_Update );
else
hInDS = GDALOpen( pszInFile, GA_ReadOnly );
if( hInDS == NULL )
exit( 1 );
nXSize = GDALGetRasterXSize( hInDS );
nYSize = GDALGetRasterYSize( hInDS );
nBands = GDALGetRasterCount( hInDS );
/* -------------------------------------------------------------------- */
/* Do we need to create output file? */
/* -------------------------------------------------------------------- */
if( hOutDS == NULL )
{
GDALDriverH hDriver = GDALGetDriverByName( "HFA" );
hOutDS = GDALCreate( hDriver, pszOutFile,
nXSize, nYSize, nBands, GDT_Byte,
NULL );
if( hOutDS == NULL )
exit( 1 );
double adfGeoTransform[6];
if( GDALGetGeoTransform( hInDS, adfGeoTransform ) == CE_None )
{
GDALSetGeoTransform( hOutDS, adfGeoTransform );
GDALSetProjection( hOutDS, GDALGetProjectionRef( hInDS ) );
}
}
int iBand;
for( iBand = 0; iBand < nBands; iBand++ )
{
GDALRasterBandH hBand = GDALGetRasterBand(hInDS, iBand+1);
if (GDALGetRasterDataType(hBand) != GDT_Byte)
{
CPLError(CE_Warning, CPLE_AppDefined,
"Band %d is not of type GDT_Byte. It can lead to unexpected results.", iBand+1);
}
if (GDALGetRasterColorTable(hBand) != NULL)
{
CPLError(CE_Warning, CPLE_AppDefined,
"Band %d has a color table, which is ignored by nearblack. "
"It can lead to unexpected results.", iBand+1);
}
}
/* -------------------------------------------------------------------- */
/* Allocate a line buffer. */
/* -------------------------------------------------------------------- */
GByte *pabyLine;
int *panLastLineCounts;
pabyLine = (GByte *) CPLMalloc(nXSize * nBands);
panLastLineCounts = (int *) CPLCalloc(sizeof(int),nXSize);
/* -------------------------------------------------------------------- */
/* Processing data one line at a time. */
/* -------------------------------------------------------------------- */
int iLine;
for( iLine = 0; iLine < nYSize; iLine++ )
{
CPLErr eErr;
eErr = GDALDatasetRasterIO( hInDS, GF_Read, 0, iLine, nXSize, 1,
pabyLine, nXSize, 1, GDT_Byte,
nBands, NULL, nBands, nXSize * nBands, 1 );
if( eErr != CE_None )
break;
ProcessLine( pabyLine, 0, nXSize-1, nBands, nNearDist, nMaxNonBlack,
bNearWhite, panLastLineCounts, TRUE, TRUE );
ProcessLine( pabyLine, nXSize-1, 0, nBands, nNearDist, nMaxNonBlack,
bNearWhite, NULL, TRUE, FALSE );
eErr = GDALDatasetRasterIO( hOutDS, GF_Write, 0, iLine, nXSize, 1,
pabyLine, nXSize, 1, GDT_Byte,
nBands, NULL, nBands, nXSize * nBands, 1 );
if( eErr != CE_None )
break;
GDALTermProgress( 0.5 * ((iLine+1) / (double) nYSize), NULL, NULL );
}
/* -------------------------------------------------------------------- */
/* Now process from the bottom back up, doing only the vertical pass.*/
/* -------------------------------------------------------------------- */
memset( panLastLineCounts, 0, sizeof(int) * nXSize);
for( iLine = nYSize-1; iLine >= 0; iLine-- )
{
CPLErr eErr;
eErr = GDALDatasetRasterIO( hOutDS, GF_Read, 0, iLine, nXSize, 1,
pabyLine, nXSize, 1, GDT_Byte,
nBands, NULL, nBands, nXSize * nBands, 1 );
if( eErr != CE_None )
break;
ProcessLine( pabyLine, 0, nXSize-1, nBands, nNearDist, nMaxNonBlack,
bNearWhite, panLastLineCounts, FALSE, TRUE );
eErr = GDALDatasetRasterIO( hOutDS, GF_Write, 0, iLine, nXSize, 1,
pabyLine, nXSize, 1, GDT_Byte,
nBands, NULL, nBands, nXSize * nBands, 1 );
if( eErr != CE_None )
break;
GDALTermProgress( 0.5 + 0.5 * (nYSize-iLine) / (double) nYSize,
NULL, NULL );
}
CPLFree(pabyLine);
CPLFree( panLastLineCounts );
GDALClose( hOutDS );
if( hInDS != hOutDS )
GDALClose( hInDS );
GDALDumpOpenDatasets( stderr );
GDALDestroyDriverManager();
return 0;
}
int
main (int argc, const char *argv[])
{
GDALDriverH hDriver;
double adfGeoTransform[6];
GDALDatasetH in_Dataset;
GDALDatasetH mask_Dataset;
GDALDatasetH out_Dataset;
GDALRasterBandH mask_band;
char *mask_scan_line, *data_scan_line;
int nBlockXSize, nBlockYSize;
int bGotMin, bGotMax;
int bands;
int xsize;
double adfMinMax[2];
GDALAllRegister ();
/* Set cache to something reasonable.. - 1/2 gig */
CPLSetConfigOption ("GDAL_CACHEMAX", "512");
/* open datasets.. */
in_Dataset = GDAL_open_read (argv[1]);
mask_Dataset = GDAL_open_read (argv[2]);
out_Dataset = make_me_a_sandwitch (&in_Dataset, argv[3]);
mask_band = GDALGetRasterBand (mask_Dataset, 1);
/* Basic info on source dataset.. */
GDALGetBlockSize (GDALGetRasterBand (in_Dataset, 1), &nBlockXSize,
&nBlockYSize);
printf ("Block=%dx%d Type=%s, ColorInterp=%s\n", nBlockXSize, nBlockYSize,
GDALGetDataTypeName (GDALGetRasterDataType
(GDALGetRasterBand (in_Dataset, 1))),
GDALGetColorInterpretationName (GDALGetRasterColorInterpretation
(GDALGetRasterBand
(in_Dataset, 1))));
/* Loop though bands, wiping values with mask values of 0.. */
xsize = GDALGetRasterXSize (in_Dataset);
mask_scan_line = (char *) CPLMalloc (sizeof (char) * xsize);
data_scan_line = (char *) CPLMalloc (sizeof (char) * xsize);
for (bands = 1; bands <= GDALGetRasterCount (in_Dataset); bands++)
{
int x;
GDALRasterBandH data_band, out_band;
int y_index = 0;
data_band = GDALGetRasterBand (in_Dataset, bands);
out_band = GDALGetRasterBand (out_Dataset, bands);
for (y_index = 0; y_index < GDALGetRasterYSize (in_Dataset); y_index++)
{
/* Read data.. */
GDALRasterIO (data_band, GF_Read, 0, y_index, xsize, 1,
data_scan_line, xsize, 1, GDT_Byte, 0, 0);
/* Read mask.. */
GDALRasterIO (mask_band, GF_Read, 0, y_index, xsize, 1,
mask_scan_line, xsize, 1, GDT_Byte, 0, 0);
GDALSetRasterNoDataValue (out_band, 0.0);
for (x = 0; x < xsize; x++)
{
/* if mask is set to 0, then mask off... */
if (mask_scan_line[x] == 0)
data_scan_line[x] = 0;
/* if mask is not zero, and data is zero, then unmask.. */
if (mask_scan_line[x] != 0 && data_scan_line[x] == 0)
data_scan_line[x] = 1;
}
/* now write out band.. */
GDALRasterIO (out_band, GF_Write, 0, y_index, xsize, 1,
data_scan_line, xsize, 1, GDT_Byte, 0, 0);
}
}
GDALClose (out_Dataset);
}
static int msContourLayerReadRaster(layerObj *layer, rectObj rect)
{
mapObj *map = layer->map;
char **bands;
char pointer[64], memDSPointer[128];
int band = 1;
double adfGeoTransform[6], adfInvGeoTransform[6];
double llx, lly, urx, ury;
rectObj copyRect, mapRect;
int dst_xsize, dst_ysize;
int virtual_grid_step_x, virtual_grid_step_y;
int src_xoff, src_yoff, src_xsize, src_ysize;
double map_cellsize_x, map_cellsize_y, dst_cellsize_x, dst_cellsize_y;
GDALRasterBandH hBand = NULL;
CPLErr eErr;
contourLayerInfo *clinfo = (contourLayerInfo *) layer->layerinfo;
if (layer->debug)
msDebug("Entering msContourLayerReadRaster().\n");
if (clinfo == NULL || clinfo->hOrigDS == NULL) {
msSetError(MS_MISCERR, "Assertion failed: Contour layer not opened!!!",
"msContourLayerReadRaster()");
return MS_FAILURE;
}
bands = CSLTokenizeStringComplex(
CSLFetchNameValue(layer->processing,"BANDS"), " ,", FALSE, FALSE );
if (CSLCount(bands) > 0) {
band = atoi(bands[0]);
if (band < 1 || band > GDALGetRasterCount(clinfo->hOrigDS)) {
msSetError( MS_IMGERR,
"BANDS PROCESSING directive includes illegal band '%d', should be from 1 to %d.",
"msContourLayerReadRaster()",
band, GDALGetRasterCount(clinfo->hOrigDS));
CSLDestroy(bands);
return MS_FAILURE;
}
}
CSLDestroy(bands);
hBand = GDALGetRasterBand(clinfo->hOrigDS, band);
if (hBand == NULL)
{
msSetError(MS_IMGERR,
"Band %d does not exist on dataset.",
"msContourLayerReadRaster()", band);
return MS_FAILURE;
}
if (layer->projection.numargs > 0 &&
EQUAL(layer->projection.args[0], "auto")) {
const char *wkt;
wkt = GDALGetProjectionRef(clinfo->hOrigDS);
if (wkt != NULL && strlen(wkt) > 0) {
if (msOGCWKT2ProjectionObj(wkt, &(layer->projection),
layer->debug) != MS_SUCCESS) {
char msg[MESSAGELENGTH*2];
errorObj *ms_error = msGetErrorObj();
snprintf( msg, sizeof(msg),
"%s\n"
"PROJECTION AUTO cannot be used for this "
"GDAL raster (`%s').",
ms_error->message, layer->data);
msg[MESSAGELENGTH-1] = '\0';
msSetError(MS_OGRERR, "%s","msDrawRasterLayer()",
msg);
return MS_FAILURE;
}
}
}
/*
* Compute the georeferenced window of overlap, and read the source data
* downsampled to match output resolution, or at full resolution if
* output resolution is lower than the source resolution.
*
* A large portion of this overlap calculation code was borrowed from
* msDrawRasterLayerGDAL().
* Would be possible to move some of this to a reusable function?
*
* Note: This code works only if no reprojection is involved. It would
* need rework to support cases where output projection differs from source
* data file projection.
*/
src_xsize = GDALGetRasterXSize(clinfo->hOrigDS);
src_ysize = GDALGetRasterYSize(clinfo->hOrigDS);
/* set the Dataset extent */
msGetGDALGeoTransform(clinfo->hOrigDS, map, layer, adfGeoTransform);
clinfo->extent.minx = adfGeoTransform[0];
clinfo->extent.maxy = adfGeoTransform[3];
clinfo->extent.maxx = adfGeoTransform[0] + src_xsize * adfGeoTransform[1];
clinfo->extent.miny = adfGeoTransform[3] + src_ysize * adfGeoTransform[5];
if (layer->transform) {
if (layer->debug)
msDebug("msContourLayerReadRaster(): Entering transform.\n");
InvGeoTransform(adfGeoTransform, adfInvGeoTransform);
mapRect = rect;
map_cellsize_x = map_cellsize_y = map->cellsize;
#ifdef USE_PROJ
/* if necessary, project the searchrect to source coords */
if (msProjectionsDiffer( &(map->projection), &(layer->projection))) {
if ( msProjectRect(&map->projection, &layer->projection, &mapRect)
!= MS_SUCCESS ) {
msDebug("msContourLayerReadRaster(%s): unable to reproject map request rectangle into layer projection, canceling.\n", layer->name);
return MS_FAILURE;
}
map_cellsize_x = MS_CELLSIZE(mapRect.minx, mapRect.maxx, map->width);
map_cellsize_y = MS_CELLSIZE(mapRect.miny, mapRect.maxy, map->height);
/* if the projection failed to project the extent requested, we need to
calculate the cellsize to preserve the initial map cellsize ratio */
if ( (mapRect.minx < GEO_TRANS(adfGeoTransform,0,src_ysize)) ||
(mapRect.maxx > GEO_TRANS(adfGeoTransform,src_xsize,0)) ||
(mapRect.miny < GEO_TRANS(adfGeoTransform+3,0,src_ysize)) ||
(mapRect.maxy > GEO_TRANS(adfGeoTransform+3,src_xsize,0)) ) {
int src_unit, dst_unit;
src_unit = GetMapserverUnitUsingProj(&map->projection);
dst_unit = GetMapserverUnitUsingProj(&layer->projection);
if (src_unit == -1 || dst_unit == -1) {
msDebug("msContourLayerReadRaster(%s): unable to reproject map request rectangle into layer projection, canceling.\n", layer->name);
return MS_FAILURE;
}
map_cellsize_x = MS_CONVERT_UNIT(src_unit, dst_unit,
MS_CELLSIZE(rect.minx, rect.maxx, map->width));
map_cellsize_y = MS_CONVERT_UNIT(src_unit, dst_unit,
MS_CELLSIZE(rect.miny, rect.maxy, map->height));
}
}
#endif
if (map_cellsize_x == 0 || map_cellsize_y == 0) {
if (layer->debug)
msDebug("msContourLayerReadRaster(): Cellsize can't be 0.\n");
return MS_FAILURE;
}
/* Adjust MapServer pixel model to GDAL pixel model */
mapRect.minx -= map_cellsize_x*0.5;
mapRect.maxx += map_cellsize_x*0.5;
mapRect.miny -= map_cellsize_y*0.5;
mapRect.maxy += map_cellsize_y*0.5;
/*
* If raw data cellsize (from geotransform) is larger than output map_cellsize
* then we want to extract only enough data to match the output map resolution
* which means that GDAL will automatically sample the data on read.
*
* To prevent bad contour effects on tile edges, we adjust the target cellsize
* to align the extracted window with a virtual grid based on the origin of the
* raw data and a virtual grid step size corresponding to an integer sampling step.
*
* If source data has a greater cellsize (i.e. lower res) that requested ouptut map
* then we use the raw data cellsize as target cellsize since there is no point in
* interpolating the data for contours in this case.
*/
virtual_grid_step_x = (int)floor(map_cellsize_x / ABS(adfGeoTransform[1]));
if (virtual_grid_step_x < 1)
virtual_grid_step_x = 1; /* Do not interpolate data if grid sampling step < 1 */
virtual_grid_step_y = (int)floor(map_cellsize_y / ABS(adfGeoTransform[5]));
if (virtual_grid_step_y < 1)
virtual_grid_step_y = 1; /* Do not interpolate data if grid sampling step < 1 */
/* target cellsize is a multiple of raw data cellsize based on grid step*/
dst_cellsize_x = ABS(adfGeoTransform[1]) * virtual_grid_step_x;
dst_cellsize_y = ABS(adfGeoTransform[5]) * virtual_grid_step_y;
/* Compute overlap between source and target views */
copyRect = mapRect;
if (copyRect.minx < GEO_TRANS(adfGeoTransform,0,src_ysize))
copyRect.minx = GEO_TRANS(adfGeoTransform,0,src_ysize);
if (copyRect.maxx > GEO_TRANS(adfGeoTransform,src_xsize,0))
copyRect.maxx = GEO_TRANS(adfGeoTransform,src_xsize,0);
if (copyRect.miny < GEO_TRANS(adfGeoTransform+3,0,src_ysize))
copyRect.miny = GEO_TRANS(adfGeoTransform+3,0,src_ysize);
if (copyRect.maxy > GEO_TRANS(adfGeoTransform+3,src_xsize,0))
copyRect.maxy = GEO_TRANS(adfGeoTransform+3,src_xsize,0);
if (copyRect.minx >= copyRect.maxx || copyRect.miny >= copyRect.maxy) {
if (layer->debug)
msDebug("msContourLayerReadRaster(): No overlap.\n");
return MS_SUCCESS;
}
/*
* Convert extraction window to raster coordinates
*/
llx = GEO_TRANS(adfInvGeoTransform+0,copyRect.minx,copyRect.miny);
lly = GEO_TRANS(adfInvGeoTransform+3,copyRect.minx,copyRect.miny);
urx = GEO_TRANS(adfInvGeoTransform+0,copyRect.maxx,copyRect.maxy);
ury = GEO_TRANS(adfInvGeoTransform+3,copyRect.maxx,copyRect.maxy);
/*
* Align extraction window with virtual grid
* (keep in mind raster coordinates origin is at upper-left)
* We also add an extra buffer to fix tile boundarie issues when zoomed
*/
llx = floor(llx / virtual_grid_step_x) * virtual_grid_step_x - (virtual_grid_step_x*5);
urx = ceil(urx / virtual_grid_step_x) * virtual_grid_step_x + (virtual_grid_step_x*5);
ury = floor(ury / virtual_grid_step_y) * virtual_grid_step_y - (virtual_grid_step_x*5);
lly = ceil(lly / virtual_grid_step_y) * virtual_grid_step_y + (virtual_grid_step_x*5);
src_xoff = MAX(0,(int) floor(llx+0.5));
src_yoff = MAX(0,(int) floor(ury+0.5));
src_xsize = MIN(MAX(0,(int) (urx - llx + 0.5)),
GDALGetRasterXSize(clinfo->hOrigDS) - src_xoff);
src_ysize = MIN(MAX(0,(int) (lly - ury + 0.5)),
GDALGetRasterYSize(clinfo->hOrigDS) - src_yoff);
/* Update the geographic extent (buffer added) */
/* TODO: a better way to go the geo_trans */
copyRect.minx = GEO_TRANS(adfGeoTransform+0,src_xoff,0);
copyRect.maxx = GEO_TRANS(adfGeoTransform+0,src_xoff+src_xsize,0);
copyRect.miny = GEO_TRANS(adfGeoTransform+3,0,src_yoff+src_ysize);
copyRect.maxy = GEO_TRANS(adfGeoTransform+3,0,src_yoff);
/*
* If input window is to small then stop here
*/
if (src_xsize < 2 || src_ysize < 2)
{
if (layer->debug)
msDebug("msContourLayerReadRaster(): input window too small, or no apparent overlap between map view and this window(1).\n");
return MS_SUCCESS;
}
/* Target buffer size */
dst_xsize = (int)ceil((copyRect.maxx - copyRect.minx) / dst_cellsize_x);
dst_ysize = (int)ceil((copyRect.maxy - copyRect.miny) / dst_cellsize_y);
if (dst_xsize == 0 || dst_ysize == 0) {
if (layer->debug)
msDebug("msContourLayerReadRaster(): no apparent overlap between map view and this window(2).\n");
return MS_SUCCESS;
}
if (layer->debug)
msDebug( "msContourLayerReadRaster(): src=%d,%d,%d,%d, dst=%d,%d,%d,%d\n",
src_xoff, src_yoff, src_xsize, src_ysize,
0, 0, dst_xsize, dst_ysize );
} else {
src_xoff = 0;
src_yoff = 0;
dst_xsize = src_xsize = MIN(map->width,src_xsize);
dst_ysize = src_ysize = MIN(map->height,src_ysize);
copyRect.minx = copyRect.miny = 0;
copyRect.maxx = map->width;
copyRect.maxy = map->height;
dst_cellsize_y = dst_cellsize_x = 1;
}
/* -------------------------------------------------------------------- */
/* Allocate buffer, and read data into it. */
/* -------------------------------------------------------------------- */
clinfo->buffer = (double *) malloc(sizeof(double) * dst_xsize * dst_ysize);
if (clinfo->buffer == NULL) {
msSetError(MS_MEMERR, "Malloc(): Out of memory.", "msContourLayerReadRaster()");
return MS_FAILURE;
}
eErr = GDALRasterIO(hBand, GF_Read,
src_xoff, src_yoff, src_xsize, src_ysize,
clinfo->buffer, dst_xsize, dst_ysize, GDT_Float64,
0, 0);
if (eErr != CE_None) {
msSetError( MS_IOERR, "GDALRasterIO() failed: %s",
"msContourLayerReadRaster()", CPLGetLastErrorMsg() );
free(clinfo->buffer);
return MS_FAILURE;
}
memset(pointer, 0, sizeof(pointer));
CPLPrintPointer(pointer, clinfo->buffer, sizeof(pointer));
sprintf(memDSPointer,"MEM:::DATAPOINTER=%s,PIXELS=%d,LINES=%d,BANDS=1,DATATYPE=Float64",
pointer, dst_xsize, dst_ysize);
clinfo->hDS = GDALOpen(memDSPointer, GA_ReadOnly);
if (clinfo->hDS == NULL) {
msSetError(MS_IMGERR,
"Unable to open GDAL Memory dataset.",
"msContourLayerReadRaster()");
free(clinfo->buffer);
return MS_FAILURE;
}
adfGeoTransform[0] = copyRect.minx;
adfGeoTransform[1] = dst_cellsize_x;
adfGeoTransform[2] = 0;
adfGeoTransform[3] = copyRect.maxy;
adfGeoTransform[4] = 0;
adfGeoTransform[5] = -dst_cellsize_y;
clinfo->cellsize = MAX(dst_cellsize_x, dst_cellsize_y);
{
char buf[64];
sprintf(buf, "%lf", clinfo->cellsize);
msInsertHashTable(&layer->metadata, "__data_cellsize__", buf);
}
GDALSetGeoTransform(clinfo->hDS, adfGeoTransform);
return MS_SUCCESS;
}
static void msTransformToGeospatialPDF(imageObj *img, mapObj *map, cairo_renderer *r)
{
/* We need a GDAL 1.10 PDF driver at runtime, but as far as the C API is concerned, GDAL 1.9 is */
/* largely sufficient. */
#if defined(USE_GDAL) && defined(GDAL_VERSION_NUM) && GDAL_VERSION_NUM >= 1900
GDALDatasetH hDS = NULL;
const char* pszGEO_ENCODING = NULL;
GDALDriverH hPDFDriver = NULL;
const char* pszVirtualIO = NULL;
int bVirtualIO = FALSE;
char* pszTmpFilename = NULL;
VSILFILE* fp = NULL;
if (map == NULL)
return;
pszGEO_ENCODING = msGetOutputFormatOption(img->format, "GEO_ENCODING", NULL);
if (pszGEO_ENCODING == NULL)
return;
msGDALInitialize();
hPDFDriver = GDALGetDriverByName("PDF");
if (hPDFDriver == NULL)
return;
/* When compiled against libpoppler, the PDF driver is VirtualIO capable */
/* but not, when it is compiled against libpodofo. */
pszVirtualIO = GDALGetMetadataItem( hPDFDriver, GDAL_DCAP_VIRTUALIO, NULL );
if (pszVirtualIO)
bVirtualIO = CSLTestBoolean(pszVirtualIO);
if (bVirtualIO)
pszTmpFilename = msTmpFile(map, NULL, "/vsimem/mscairopdf/", "pdf");
else
pszTmpFilename = msTmpFile(map, map->mappath, NULL, "pdf");
/* Copy content of outputStream buffer into file */
fp = VSIFOpenL(pszTmpFilename, "wb");
if (fp == NULL) {
msFree(pszTmpFilename);
return;
}
VSIFWriteL(r->outputStream->data, 1, r->outputStream->size, fp);
VSIFCloseL(fp);
fp = NULL;
hDS = GDALOpen(pszTmpFilename, GA_Update);
if ( hDS != NULL ) {
char* pszWKT = msProjectionObj2OGCWKT( &(map->projection) );
if( pszWKT != NULL ) {
double adfGeoTransform[6];
int i;
/* Add user-specified options */
for( i = 0; i < img->format->numformatoptions; i++ ) {
const char* pszOption = img->format->formatoptions[i];
if( strncasecmp(pszOption,"METADATA_ITEM:",14) == 0 ) {
char* pszKey = NULL;
const char* pszValue = CPLParseNameValue(pszOption + 14,
&pszKey);
if( pszKey != NULL ) {
GDALSetMetadataItem(hDS, pszKey, pszValue, NULL);
CPLFree(pszKey);
}
}
}
/* We need to rescale the geotransform because GDAL will not necessary */
/* open the PDF with the DPI that was used to generate it */
memcpy(adfGeoTransform, map->gt.geotransform, 6 * sizeof(double));
adfGeoTransform[1] = adfGeoTransform[1] * map->width / GDALGetRasterXSize(hDS);
adfGeoTransform[5] = adfGeoTransform[5] * map->height / GDALGetRasterYSize(hDS);
GDALSetGeoTransform(hDS, adfGeoTransform);
GDALSetProjection(hDS, pszWKT);
msFree( pszWKT );
pszWKT = NULL;
CPLSetThreadLocalConfigOption("GDAL_PDF_GEO_ENCODING", pszGEO_ENCODING);
GDALClose(hDS);
hDS = NULL;
CPLSetThreadLocalConfigOption("GDAL_PDF_GEO_ENCODING", NULL);
/* We need to replace the buffer with the content of the GDAL file */
fp = VSIFOpenL(pszTmpFilename, "rb");
if( fp != NULL ) {
int nFileSize;
VSIFSeekL(fp, 0, SEEK_END);
nFileSize = (int)VSIFTellL(fp);
msBufferResize(r->outputStream, nFileSize);
VSIFSeekL(fp, 0, SEEK_SET);
r->outputStream->size = VSIFReadL(r->outputStream->data, 1, nFileSize, fp);
VSIFCloseL(fp);
fp = NULL;
}
}
}
if ( hDS != NULL )
GDALClose(hDS);
VSIUnlink(pszTmpFilename);
msFree(pszTmpFilename);
#endif
}
int main( int argc, char ** argv )
{
GDALDatasetH hDataset = NULL;
GDALRasterBandH hBand = NULL;
int i, iBand;
double adfGeoTransform[6];
GDALDriverH hDriver;
char **papszMetadata;
int bComputeMinMax = FALSE, bSample = FALSE;
int bShowGCPs = TRUE, bShowMetadata = TRUE, bShowRAT=TRUE;
int bStats = FALSE, bApproxStats = TRUE, iMDD;
int bShowColorTable = TRUE, bComputeChecksum = FALSE;
int bReportHistograms = FALSE;
int bReportProj4 = FALSE;
int nSubdataset = -1;
const char *pszFilename = NULL;
char **papszExtraMDDomains = NULL, **papszFileList;
const char *pszProjection = NULL;
OGRCoordinateTransformationH hTransform = NULL;
int bShowFileList = TRUE;
/* Check that we are running against at least GDAL 1.5 */
/* Note to developers : if we use newer API, please change the requirement */
if (atoi(GDALVersionInfo("VERSION_NUM")) < 1500)
{
fprintf(stderr, "At least, GDAL >= 1.5.0 is required for this version of %s, "
"which was compiled against GDAL %s\n", argv[0], GDAL_RELEASE_NAME);
exit(1);
}
EarlySetConfigOptions(argc, argv);
GDALAllRegister();
argc = GDALGeneralCmdLineProcessor( argc, &argv, 0 );
if( argc < 1 )
exit( -argc );
/* -------------------------------------------------------------------- */
/* Parse arguments. */
/* -------------------------------------------------------------------- */
for( i = 1; i < argc; i++ )
{
if( EQUAL(argv[i], "--utility_version") )
{
printf("%s was compiled against GDAL %s and is running against GDAL %s\n",
argv[0], GDAL_RELEASE_NAME, GDALVersionInfo("RELEASE_NAME"));
return 0;
}
else if( EQUAL(argv[i],"--help") )
Usage(NULL);
else if( EQUAL(argv[i], "-mm") )
bComputeMinMax = TRUE;
else if( EQUAL(argv[i], "-hist") )
bReportHistograms = TRUE;
else if( EQUAL(argv[i], "-proj4") )
bReportProj4 = TRUE;
else if( EQUAL(argv[i], "-stats") )
{
bStats = TRUE;
bApproxStats = FALSE;
}
else if( EQUAL(argv[i], "-approx_stats") )
{
bStats = TRUE;
bApproxStats = TRUE;
}
else if( EQUAL(argv[i], "-sample") )
bSample = TRUE;
else if( EQUAL(argv[i], "-checksum") )
bComputeChecksum = TRUE;
else if( EQUAL(argv[i], "-nogcp") )
bShowGCPs = FALSE;
else if( EQUAL(argv[i], "-nomd") )
bShowMetadata = FALSE;
else if( EQUAL(argv[i], "-norat") )
bShowRAT = FALSE;
else if( EQUAL(argv[i], "-noct") )
bShowColorTable = FALSE;
else if( EQUAL(argv[i], "-mdd") )
{
CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
papszExtraMDDomains = CSLAddString( papszExtraMDDomains,
argv[++i] );
}
else if( EQUAL(argv[i], "-nofl") )
bShowFileList = FALSE;
else if( EQUAL(argv[i], "-sd") )
{
CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
nSubdataset = atoi(argv[++i]);
}
else if( argv[i][0] == '-' )
Usage(CPLSPrintf("Unkown option name '%s'", argv[i]));
else if( pszFilename == NULL )
pszFilename = argv[i];
else
Usage("Too many command options.");
}
if( pszFilename == NULL )
Usage("No datasource specified.");
/* -------------------------------------------------------------------- */
/* Open dataset. */
/* -------------------------------------------------------------------- */
hDataset = GDALOpen( pszFilename, GA_ReadOnly );
if( hDataset == NULL )
{
fprintf( stderr,
"gdalinfo failed - unable to open '%s'.\n",
pszFilename );
/* -------------------------------------------------------------------- */
/* If argument is a VSIFILE, then print its contents */
/* -------------------------------------------------------------------- */
if ( strncmp( pszFilename, "/vsizip/", 8 ) == 0 ||
strncmp( pszFilename, "/vsitar/", 8 ) == 0 )
{
papszFileList = VSIReadDirRecursive( pszFilename );
if ( papszFileList )
{
int nCount = CSLCount( papszFileList );
fprintf( stdout,
"Unable to open source `%s' directly.\n"
"The archive contains %d files:\n",
pszFilename, nCount );
for ( i = 0; i < nCount; i++ )
{
fprintf( stdout, " %s/%s\n", pszFilename, papszFileList[i] );
}
CSLDestroy( papszFileList );
papszFileList = NULL;
}
}
CSLDestroy( argv );
CSLDestroy( papszExtraMDDomains );
GDALDumpOpenDatasets( stderr );
GDALDestroyDriverManager();
CPLDumpSharedList( NULL );
exit( 1 );
}
/* -------------------------------------------------------------------- */
/* Read specified subdataset if requested. */
/* -------------------------------------------------------------------- */
if ( nSubdataset > 0 )
{
char **papszSubdatasets = GDALGetMetadata( hDataset, "SUBDATASETS" );
int nSubdatasets = CSLCount( papszSubdatasets );
if ( nSubdatasets > 0 && nSubdataset <= nSubdatasets )
{
char szKeyName[1024];
char *pszSubdatasetName;
snprintf( szKeyName, sizeof(szKeyName),
"SUBDATASET_%d_NAME", nSubdataset );
szKeyName[sizeof(szKeyName) - 1] = '\0';
pszSubdatasetName =
CPLStrdup( CSLFetchNameValue( papszSubdatasets, szKeyName ) );
GDALClose( hDataset );
hDataset = GDALOpen( pszSubdatasetName, GA_ReadOnly );
CPLFree( pszSubdatasetName );
}
else
{
fprintf( stderr,
"gdalinfo warning: subdataset %d of %d requested. "
"Reading the main dataset.\n",
nSubdataset, nSubdatasets );
}
}
/* -------------------------------------------------------------------- */
/* Report general info. */
/* -------------------------------------------------------------------- */
hDriver = GDALGetDatasetDriver( hDataset );
printf( "Driver: %s/%s\n",
GDALGetDriverShortName( hDriver ),
GDALGetDriverLongName( hDriver ) );
papszFileList = GDALGetFileList( hDataset );
if( CSLCount(papszFileList) == 0 )
{
printf( "Files: none associated\n" );
}
else
{
printf( "Files: %s\n", papszFileList[0] );
if( bShowFileList )
{
for( i = 1; papszFileList[i] != NULL; i++ )
printf( " %s\n", papszFileList[i] );
}
}
CSLDestroy( papszFileList );
printf( "Size is %d, %d\n",
GDALGetRasterXSize( hDataset ),
GDALGetRasterYSize( hDataset ) );
/* -------------------------------------------------------------------- */
/* Report projection. */
/* -------------------------------------------------------------------- */
if( GDALGetProjectionRef( hDataset ) != NULL )
{
OGRSpatialReferenceH hSRS;
char *pszProjection;
pszProjection = (char *) GDALGetProjectionRef( hDataset );
hSRS = OSRNewSpatialReference(NULL);
if( OSRImportFromWkt( hSRS, &pszProjection ) == CE_None )
{
char *pszPrettyWkt = NULL;
OSRExportToPrettyWkt( hSRS, &pszPrettyWkt, FALSE );
printf( "Coordinate System is:\n%s\n", pszPrettyWkt );
CPLFree( pszPrettyWkt );
}
else
printf( "Coordinate System is `%s'\n",
GDALGetProjectionRef( hDataset ) );
if ( bReportProj4 )
{
char *pszProj4 = NULL;
OSRExportToProj4( hSRS, &pszProj4 );
printf("PROJ.4 string is:\n\'%s\'\n",pszProj4);
CPLFree( pszProj4 );
}
OSRDestroySpatialReference( hSRS );
}
/* -------------------------------------------------------------------- */
/* Report Geotransform. */
/* -------------------------------------------------------------------- */
if( GDALGetGeoTransform( hDataset, adfGeoTransform ) == CE_None )
{
if( adfGeoTransform[2] == 0.0 && adfGeoTransform[4] == 0.0 )
{
printf( "Origin = (%.15f,%.15f)\n",
adfGeoTransform[0], adfGeoTransform[3] );
printf( "Pixel Size = (%.15f,%.15f)\n",
adfGeoTransform[1], adfGeoTransform[5] );
}
else
printf( "GeoTransform =\n"
" %.16g, %.16g, %.16g\n"
" %.16g, %.16g, %.16g\n",
adfGeoTransform[0],
adfGeoTransform[1],
adfGeoTransform[2],
adfGeoTransform[3],
adfGeoTransform[4],
adfGeoTransform[5] );
}
/* -------------------------------------------------------------------- */
/* Report GCPs. */
/* -------------------------------------------------------------------- */
if( bShowGCPs && GDALGetGCPCount( hDataset ) > 0 )
{
if (GDALGetGCPProjection(hDataset) != NULL)
{
OGRSpatialReferenceH hSRS;
char *pszProjection;
pszProjection = (char *) GDALGetGCPProjection( hDataset );
hSRS = OSRNewSpatialReference(NULL);
if( OSRImportFromWkt( hSRS, &pszProjection ) == CE_None )
{
char *pszPrettyWkt = NULL;
OSRExportToPrettyWkt( hSRS, &pszPrettyWkt, FALSE );
printf( "GCP Projection = \n%s\n", pszPrettyWkt );
CPLFree( pszPrettyWkt );
}
else
printf( "GCP Projection = %s\n",
GDALGetGCPProjection( hDataset ) );
OSRDestroySpatialReference( hSRS );
}
for( i = 0; i < GDALGetGCPCount(hDataset); i++ )
{
const GDAL_GCP *psGCP;
psGCP = GDALGetGCPs( hDataset ) + i;
printf( "GCP[%3d]: Id=%s, Info=%s\n"
" (%.15g,%.15g) -> (%.15g,%.15g,%.15g)\n",
i, psGCP->pszId, psGCP->pszInfo,
psGCP->dfGCPPixel, psGCP->dfGCPLine,
psGCP->dfGCPX, psGCP->dfGCPY, psGCP->dfGCPZ );
}
}
/* -------------------------------------------------------------------- */
/* Report metadata. */
/* -------------------------------------------------------------------- */
papszMetadata = (bShowMetadata) ? GDALGetMetadata( hDataset, NULL ) : NULL;
if( bShowMetadata && CSLCount(papszMetadata) > 0 )
{
printf( "Metadata:\n" );
for( i = 0; papszMetadata[i] != NULL; i++ )
{
printf( " %s\n", papszMetadata[i] );
}
}
for( iMDD = 0; bShowMetadata && iMDD < CSLCount(papszExtraMDDomains); iMDD++ )
{
papszMetadata = GDALGetMetadata( hDataset, papszExtraMDDomains[iMDD] );
if( CSLCount(papszMetadata) > 0 )
{
printf( "Metadata (%s):\n", papszExtraMDDomains[iMDD]);
for( i = 0; papszMetadata[i] != NULL; i++ )
{
if (EQUALN(papszExtraMDDomains[iMDD], "xml:", 4))
printf( "%s\n", papszMetadata[i] );
else
printf( " %s\n", papszMetadata[i] );
}
}
}
/* -------------------------------------------------------------------- */
/* Report "IMAGE_STRUCTURE" metadata. */
/* -------------------------------------------------------------------- */
papszMetadata = (bShowMetadata) ? GDALGetMetadata( hDataset, "IMAGE_STRUCTURE" ) : NULL;
if( bShowMetadata && CSLCount(papszMetadata) > 0 )
{
printf( "Image Structure Metadata:\n" );
for( i = 0; papszMetadata[i] != NULL; i++ )
{
printf( " %s\n", papszMetadata[i] );
}
}
/* -------------------------------------------------------------------- */
/* Report subdatasets. */
/* -------------------------------------------------------------------- */
papszMetadata = GDALGetMetadata( hDataset, "SUBDATASETS" );
if( CSLCount(papszMetadata) > 0 )
{
printf( "Subdatasets:\n" );
for( i = 0; papszMetadata[i] != NULL; i++ )
{
printf( " %s\n", papszMetadata[i] );
}
}
/* -------------------------------------------------------------------- */
/* Report geolocation. */
/* -------------------------------------------------------------------- */
papszMetadata = (bShowMetadata) ? GDALGetMetadata( hDataset, "GEOLOCATION" ) : NULL;
if( bShowMetadata && CSLCount(papszMetadata) > 0 )
{
printf( "Geolocation:\n" );
for( i = 0; papszMetadata[i] != NULL; i++ )
{
printf( " %s\n", papszMetadata[i] );
}
}
/* -------------------------------------------------------------------- */
/* Report RPCs */
/* -------------------------------------------------------------------- */
papszMetadata = (bShowMetadata) ? GDALGetMetadata( hDataset, "RPC" ) : NULL;
if( bShowMetadata && CSLCount(papszMetadata) > 0 )
{
printf( "RPC Metadata:\n" );
for( i = 0; papszMetadata[i] != NULL; i++ )
{
printf( " %s\n", papszMetadata[i] );
}
}
/* -------------------------------------------------------------------- */
/* Setup projected to lat/long transform if appropriate. */
/* -------------------------------------------------------------------- */
if( GDALGetGeoTransform( hDataset, adfGeoTransform ) == CE_None )
pszProjection = GDALGetProjectionRef(hDataset);
if( pszProjection != NULL && strlen(pszProjection) > 0 )
{
OGRSpatialReferenceH hProj, hLatLong = NULL;
hProj = OSRNewSpatialReference( pszProjection );
if( hProj != NULL )
hLatLong = OSRCloneGeogCS( hProj );
if( hLatLong != NULL )
{
CPLPushErrorHandler( CPLQuietErrorHandler );
hTransform = OCTNewCoordinateTransformation( hProj, hLatLong );
CPLPopErrorHandler();
OSRDestroySpatialReference( hLatLong );
}
if( hProj != NULL )
OSRDestroySpatialReference( hProj );
}
/* -------------------------------------------------------------------- */
/* Report corners. */
/* -------------------------------------------------------------------- */
printf( "Corner Coordinates:\n" );
GDALInfoReportCorner( hDataset, hTransform, "Upper Left",
0.0, 0.0 );
GDALInfoReportCorner( hDataset, hTransform, "Lower Left",
0.0, GDALGetRasterYSize(hDataset));
GDALInfoReportCorner( hDataset, hTransform, "Upper Right",
GDALGetRasterXSize(hDataset), 0.0 );
GDALInfoReportCorner( hDataset, hTransform, "Lower Right",
GDALGetRasterXSize(hDataset),
GDALGetRasterYSize(hDataset) );
GDALInfoReportCorner( hDataset, hTransform, "Center",
GDALGetRasterXSize(hDataset)/2.0,
GDALGetRasterYSize(hDataset)/2.0 );
if( hTransform != NULL )
{
OCTDestroyCoordinateTransformation( hTransform );
hTransform = NULL;
}
/* ==================================================================== */
/* Loop over bands. */
/* ==================================================================== */
for( iBand = 0; iBand < GDALGetRasterCount( hDataset ); iBand++ )
{
double dfMin, dfMax, adfCMinMax[2], dfNoData;
int bGotMin, bGotMax, bGotNodata, bSuccess;
int nBlockXSize, nBlockYSize, nMaskFlags;
double dfMean, dfStdDev;
GDALColorTableH hTable;
CPLErr eErr;
hBand = GDALGetRasterBand( hDataset, iBand+1 );
if( bSample )
{
float afSample[10000];
int nCount;
nCount = GDALGetRandomRasterSample( hBand, 10000, afSample );
printf( "Got %d samples.\n", nCount );
}
GDALGetBlockSize( hBand, &nBlockXSize, &nBlockYSize );
printf( "Band %d Block=%dx%d Type=%s, ColorInterp=%s\n", iBand+1,
nBlockXSize, nBlockYSize,
GDALGetDataTypeName(
GDALGetRasterDataType(hBand)),
GDALGetColorInterpretationName(
GDALGetRasterColorInterpretation(hBand)) );
if( GDALGetDescription( hBand ) != NULL
&& strlen(GDALGetDescription( hBand )) > 0 )
printf( " Description = %s\n", GDALGetDescription(hBand) );
dfMin = GDALGetRasterMinimum( hBand, &bGotMin );
dfMax = GDALGetRasterMaximum( hBand, &bGotMax );
if( bGotMin || bGotMax || bComputeMinMax )
{
printf( " " );
if( bGotMin )
printf( "Min=%.3f ", dfMin );
if( bGotMax )
printf( "Max=%.3f ", dfMax );
if( bComputeMinMax )
{
CPLErrorReset();
GDALComputeRasterMinMax( hBand, FALSE, adfCMinMax );
if (CPLGetLastErrorType() == CE_None)
{
printf( " Computed Min/Max=%.3f,%.3f",
adfCMinMax[0], adfCMinMax[1] );
}
}
printf( "\n" );
}
eErr = GDALGetRasterStatistics( hBand, bApproxStats, bStats,
&dfMin, &dfMax, &dfMean, &dfStdDev );
if( eErr == CE_None )
{
printf( " Minimum=%.3f, Maximum=%.3f, Mean=%.3f, StdDev=%.3f\n",
dfMin, dfMax, dfMean, dfStdDev );
}
if( bReportHistograms )
{
int nBucketCount, *panHistogram = NULL;
eErr = GDALGetDefaultHistogram( hBand, &dfMin, &dfMax,
&nBucketCount, &panHistogram,
TRUE, GDALTermProgress, NULL );
if( eErr == CE_None )
{
int iBucket;
printf( " %d buckets from %g to %g:\n ",
nBucketCount, dfMin, dfMax );
for( iBucket = 0; iBucket < nBucketCount; iBucket++ )
printf( "%d ", panHistogram[iBucket] );
printf( "\n" );
CPLFree( panHistogram );
}
}
if ( bComputeChecksum)
{
printf( " Checksum=%d\n",
GDALChecksumImage(hBand, 0, 0,
GDALGetRasterXSize(hDataset),
GDALGetRasterYSize(hDataset)));
}
dfNoData = GDALGetRasterNoDataValue( hBand, &bGotNodata );
if( bGotNodata )
{
if (CPLIsNan(dfNoData))
printf( " NoData Value=nan\n" );
else
printf( " NoData Value=%.18g\n", dfNoData );
}
if( GDALGetOverviewCount(hBand) > 0 )
{
int iOverview;
printf( " Overviews: " );
for( iOverview = 0;
iOverview < GDALGetOverviewCount(hBand);
iOverview++ )
{
GDALRasterBandH hOverview;
const char *pszResampling = NULL;
if( iOverview != 0 )
printf( ", " );
hOverview = GDALGetOverview( hBand, iOverview );
if (hOverview != NULL)
{
printf( "%dx%d",
GDALGetRasterBandXSize( hOverview ),
GDALGetRasterBandYSize( hOverview ) );
pszResampling =
GDALGetMetadataItem( hOverview, "RESAMPLING", "" );
if( pszResampling != NULL
&& EQUALN(pszResampling,"AVERAGE_BIT2",12) )
printf( "*" );
}
else
printf( "(null)" );
}
printf( "\n" );
if ( bComputeChecksum)
{
printf( " Overviews checksum: " );
for( iOverview = 0;
iOverview < GDALGetOverviewCount(hBand);
iOverview++ )
{
GDALRasterBandH hOverview;
if( iOverview != 0 )
printf( ", " );
hOverview = GDALGetOverview( hBand, iOverview );
if (hOverview)
printf( "%d",
GDALChecksumImage(hOverview, 0, 0,
GDALGetRasterBandXSize(hOverview),
GDALGetRasterBandYSize(hOverview)));
else
printf( "(null)" );
}
printf( "\n" );
}
}
if( GDALHasArbitraryOverviews( hBand ) )
{
printf( " Overviews: arbitrary\n" );
}
nMaskFlags = GDALGetMaskFlags( hBand );
if( (nMaskFlags & (GMF_NODATA|GMF_ALL_VALID)) == 0 )
{
GDALRasterBandH hMaskBand = GDALGetMaskBand(hBand) ;
printf( " Mask Flags: " );
if( nMaskFlags & GMF_PER_DATASET )
printf( "PER_DATASET " );
if( nMaskFlags & GMF_ALPHA )
printf( "ALPHA " );
if( nMaskFlags & GMF_NODATA )
printf( "NODATA " );
if( nMaskFlags & GMF_ALL_VALID )
printf( "ALL_VALID " );
printf( "\n" );
if( hMaskBand != NULL &&
GDALGetOverviewCount(hMaskBand) > 0 )
{
int iOverview;
printf( " Overviews of mask band: " );
for( iOverview = 0;
iOverview < GDALGetOverviewCount(hMaskBand);
iOverview++ )
{
GDALRasterBandH hOverview;
if( iOverview != 0 )
printf( ", " );
hOverview = GDALGetOverview( hMaskBand, iOverview );
printf( "%dx%d",
GDALGetRasterBandXSize( hOverview ),
GDALGetRasterBandYSize( hOverview ) );
}
printf( "\n" );
}
}
if( strlen(GDALGetRasterUnitType(hBand)) > 0 )
{
printf( " Unit Type: %s\n", GDALGetRasterUnitType(hBand) );
}
if( GDALGetRasterCategoryNames(hBand) != NULL )
{
char **papszCategories = GDALGetRasterCategoryNames(hBand);
int i;
printf( " Categories:\n" );
for( i = 0; papszCategories[i] != NULL; i++ )
printf( " %3d: %s\n", i, papszCategories[i] );
}
if( GDALGetRasterScale( hBand, &bSuccess ) != 1.0
|| GDALGetRasterOffset( hBand, &bSuccess ) != 0.0 )
printf( " Offset: %.15g, Scale:%.15g\n",
GDALGetRasterOffset( hBand, &bSuccess ),
GDALGetRasterScale( hBand, &bSuccess ) );
papszMetadata = (bShowMetadata) ? GDALGetMetadata( hBand, NULL ) : NULL;
if( bShowMetadata && CSLCount(papszMetadata) > 0 )
{
printf( " Metadata:\n" );
for( i = 0; papszMetadata[i] != NULL; i++ )
{
printf( " %s\n", papszMetadata[i] );
}
}
papszMetadata = (bShowMetadata) ? GDALGetMetadata( hBand, "IMAGE_STRUCTURE" ) : NULL;
if( bShowMetadata && CSLCount(papszMetadata) > 0 )
{
printf( " Image Structure Metadata:\n" );
for( i = 0; papszMetadata[i] != NULL; i++ )
{
printf( " %s\n", papszMetadata[i] );
}
}
if( GDALGetRasterColorInterpretation(hBand) == GCI_PaletteIndex
&& (hTable = GDALGetRasterColorTable( hBand )) != NULL )
{
int i;
printf( " Color Table (%s with %d entries)\n",
GDALGetPaletteInterpretationName(
GDALGetPaletteInterpretation( hTable )),
GDALGetColorEntryCount( hTable ) );
if (bShowColorTable)
{
for( i = 0; i < GDALGetColorEntryCount( hTable ); i++ )
{
GDALColorEntry sEntry;
GDALGetColorEntryAsRGB( hTable, i, &sEntry );
printf( " %3d: %d,%d,%d,%d\n",
i,
sEntry.c1,
sEntry.c2,
sEntry.c3,
sEntry.c4 );
}
}
}
if( bShowRAT && GDALGetDefaultRAT( hBand ) != NULL )
{
GDALRasterAttributeTableH hRAT = GDALGetDefaultRAT( hBand );
GDALRATDumpReadable( hRAT, NULL );
}
}
GDALClose( hDataset );
CSLDestroy( papszExtraMDDomains );
CSLDestroy( argv );
GDALDumpOpenDatasets( stderr );
GDALDestroyDriverManager();
CPLDumpSharedList( NULL );
CPLCleanupTLS();
exit( 0 );
}
int
main (int argc, const char *argv[])
{
GDALDriverH hDriver;
double adfGeoTransform[6];
GDALDatasetH in_Dataset;
GDALDatasetH out_Dataset;
double *data_scan_line;
char *out_scan_line;
int nBlockXSize, nBlockYSize;
int bGotMin, bGotMax;
int bands;
int xsize;
double lower_fiddle, upper_fiddle;
double adfMinMax[2];
/* These are hard coded for now - need to figure out a better way to handle this.. */
double palette_in[256] =
{ 0.0, 1.00011, 1.9999649999999998, 3.000075, 3.9999299999999995, 5.00004,
5.999895, 7.000005, 8.000115, 8.99997, 10.00008, 10.999935,
12.000044999999998, 12.9999,
14.00001, 15.00012, 15.999975, 17.000085000000002, 17.99994, 19.00005,
19.999905000000002,
21.000014999999998, 22.000125, 22.99998, 24.000089999999997, 24.999945,
26.000055, 26.99991,
28.00002, 28.999875000000003, 29.999985, 31.000094999999998, 31.99995,
33.00006, 33.999915,
35.000024999999994, 35.99988, 36.999990000000004, 38.0001, 38.999955,
40.000065, 40.99992,
42.000029999999995, 42.999885, 43.999995000000006, 45.000105, 45.99996,
47.00007,
47.999925000000005, 49.000035, 49.99989, 51.0, 52.00011, 52.999965,
54.000075, 54.99993,
56.00004, 56.999895, 58.000004999999994, 59.000115, 59.99997,
61.000080000000004, 61.999935,
63.000045, 63.9999, 65.00001, 66.00012, 66.999975, 68.000085, 68.99994,
70.00004999999999,
70.999905, 72.000015, 73.000125, 73.99998000000001, 75.00009, 75.999945,
77.00005499999999,
77.99991, 79.00002, 79.99987499999999, 80.99998500000001, 82.000095,
82.99995,
84.00005999999999, 84.999915, 86.00002500000001, 86.99987999999999,
87.99999000000001, 89.0001,
89.999955, 91.00006499999999, 91.99992, 93.00003, 93.99988499999999,
94.999995, 96.000105,
96.99996, 98.00007, 98.999925, 100.000035, 100.99989, 102.0, 103.00011,
103.999965, 105.000075,
105.99993, 107.00004, 107.999895, 109.000005, 110.00011500000001,
110.99997, 112.00008,
112.99993500000001, 114.000045, 114.9999, 116.00000999999999, 117.00012,
117.999975,
119.000085, 119.99994, 121.00005, 121.999905, 123.00001499999999,
124.000125,
124.99998000000001, 126.00009, 126.999945, 128.000055, 128.99991,
130.00002, 130.999875,
131.99998499999998, 133.000095, 133.99995, 135.00006, 135.999915,
137.00002500000002,
137.99988, 138.99999, 140.00009999999997, 140.999955, 142.000065,
142.99991999999997,
144.00003, 144.999885, 145.99999499999998, 147.000105, 147.99996000000002,
149.00007,
149.999925, 151.00003500000003, 151.99989, 153.0, 154.00010999999998,
154.999965, 156.000075,
156.99992999999998, 158.00004, 158.999895, 160.000005, 161.000115,
161.99997000000002,
163.00008, 163.999935, 165.000045, 165.9999, 167.00001,
168.00011999999998, 168.999975,
170.000085, 170.99993999999998, 172.00005000000002, 172.999905,
174.000015, 175.000125,
175.99998000000002, 177.00009, 177.999945, 179.00005499999997, 179.99991,
181.00002,
181.999875, 182.999985, 184.00009500000002, 184.99994999999998, 186.00006,
186.99991500000002,
188.000025, 188.99988, 189.99999, 191.0001, 191.999955,
193.00006499999998, 193.99992,
195.00003, 195.99988499999998, 196.999995, 198.00010500000002, 198.99996,
200.00007,
200.99992500000002, 202.000035, 202.99989, 204.0, 205.00011, 205.999965,
207.00007499999998,
207.99993, 209.00004, 209.99989499999998, 211.00000500000002, 212.000115,
212.99997, 214.00008,
214.999935, 216.000045, 216.9999, 218.00001, 219.00012, 219.999975,
221.00008499999998,
221.99994, 223.00005000000002, 223.99990499999998, 225.00001500000002,
226.000125, 226.99998,
228.00009, 228.999945, 230.000055, 230.99991, 232.00001999999998,
232.999875, 233.999985,
235.000095, 235.99995, 237.00006, 237.999915, 239.000025, 239.99988,
240.99999, 242.0001,
242.999955, 244.000065, 244.99992, 246.00002999999998, 246.999885,
247.999995, 249.000105,
249.99996000000002, 251.00007, 251.999925, 253.000035, 253.99989, 255.0
};
double palette_out[256] =
{ 0.0, 0.042075, 0.08415, 0.126225, 0.169065, 0.21216, 0.255765, 0.29988,
0.345015, 0.390915, 0.437835, 0.48602999999999996, 0.5352450000000001,
0.58599, 0.63801,
0.69156, 0.7468950000000001, 0.804015, 0.8629199999999999,
0.9238649999999999, 0.98685, 1.05213,
1.119705, 1.18983, 1.26225, 1.337475, 1.415505, 1.49634, 1.580235,
1.6674449999999998, 1.75746,
1.851045, 1.9482, 2.04867, 2.152965, 2.2608300000000003,
2.3727750000000003, 2.4885450000000002,
2.6083950000000002, 2.73258, 2.8611000000000004, 2.993955,
3.1313999999999997, 3.27369, 3.42057,
3.572295, 3.72912, 3.891045, 4.05807, 4.23045, 4.408440000000001,
4.591785, 4.780995, 4.975815,
5.1765, 5.38305, 5.595975, 5.8150200000000005, 6.040185, 6.27198,
6.510405, 6.755205, 7.007145,
7.265715, 7.53117, 7.8040199999999995, 8.084010000000001, 8.37114,
8.66592, 8.968095, 9.27792,
9.59565, 9.92103, 10.25457, 10.596015, 10.945875, 11.30415, 11.670585,
12.04569, 12.429465,
12.82191, 13.223279999999999, 13.63383, 14.053305, 14.48196,
14.919794999999999, 15.36732,
15.82428, 16.29093, 16.767270000000003, 17.253555, 17.749785, 18.256215,
18.925845,
19.456245000000003, 19.99863, 20.552745, 21.11859, 21.696165, 22.285725,
22.887014999999998,
23.500035, 24.125295, 24.762285, 25.411260000000002, 26.071965, 26.74491,
27.42984, 28.12701,
28.835910000000002, 29.55705, 30.29043, 31.035795, 31.7934, 32.56299,
33.345075, 34.139145,
34.94571, 35.764514999999996, 36.595305, 37.438845, 38.294625, 39.162645,
40.04316, 40.935915,
41.84142, 42.759165, 43.68966, 44.632394999999995, 45.58788, 46.55586,
47.536335,
48.529560000000004, 49.535535, 50.554005000000004, 51.58497, 52.62894,
53.68566, 54.75513,
55.837095, 56.932064999999994, 58.040040000000005, 59.160765,
60.294239999999995, 61.44072,
62.59995000000001, 63.772439999999996, 64.95768000000001,
66.15592500000001, 67.36743,
68.591685, 69.82919999999999, 71.07972, 72.343245, 73.620285, 74.910075,
76.21337999999999,
77.52968999999999, 78.85926, 80.20209, 81.55843499999999, 82.927785,
84.31065, 85.66419,
87.10264500000001, 88.611225, 90.18712500000001, 91.82779500000001,
93.52992, 95.291205,
97.108845, 98.979525, 100.90095, 102.87006, 104.884305, 106.94037,
109.03596, 111.16827,
113.33424000000001, 115.531065, 117.756195, 120.00657, 122.27964,
124.572345,
126.88213499999999, 129.20595, 131.54124, 133.8852, 136.23477,
138.58714500000002, 140.939775,
143.289855, 145.63458, 147.97089, 150.296235, 152.60781, 154.902555,
157.17817499999998,
159.431355, 161.65929, 163.859685, 166.02948, 168.165615, 170.26554,
172.32645, 174.34554,
176.320005, 178.24704, 180.292905, 182.130945, 183.953685, 185.76138,
187.554285, 189.33291,
191.09751, 192.84834, 194.58591, 196.310475, 198.02229, 199.72161,
201.4092, 203.084805,
204.74944499999998, 206.402865, 208.04557499999999, 209.67808499999998,
211.30065, 212.913525,
214.516965, 216.11148, 217.69758000000002, 219.27501, 220.84479,
222.406665, 223.9614,
225.50924999999998, 227.05047000000002, 228.585315, 230.114295,
231.63766500000003,
233.15568000000002, 234.66885000000002, 236.17743, 237.681675, 239.18184,
240.67869, 242.172225,
243.66295499999998, 245.15088, 246.636765, 248.12061000000003, 249.602925,
251.083965,
252.56424, 254.04375, 255.0
};
GDALAllRegister ();
/* ussage.. */
if (argc != 3)
ussage ();
/* Set cache to something reasonable.. - 1/2 gig */
CPLSetConfigOption ("GDAL_CACHEMAX", "512");
/* open datasets.. */
in_Dataset = GDAL_open_read (argv[1]);
out_Dataset = make_me_a_sandwitch (&in_Dataset, argv[2]);
/* Basic info on source dataset.. */
GDALGetBlockSize (GDALGetRasterBand (in_Dataset, 1), &nBlockXSize,
&nBlockYSize);
printf ("Block=%dx%d Type=%s, ColorInterp=%s\n", nBlockXSize, nBlockYSize,
GDALGetDataTypeName (GDALGetRasterDataType
(GDALGetRasterBand (in_Dataset, 1))),
GDALGetColorInterpretationName (GDALGetRasterColorInterpretation
(GDALGetRasterBand
(in_Dataset, 1))));
/* Loop though bands, scaling the data.. */
xsize = GDALGetRasterXSize (in_Dataset);
data_scan_line = (double *) CPLMalloc (sizeof (double) * xsize);
out_scan_line = (char *) CPLMalloc (sizeof (char) * xsize);
for (bands = 1; bands <= GDALGetRasterCount (in_Dataset); bands++)
{
int x;
double min = 9999999.0, max = 0.0; /* probibly a better way to set these.. */
double dmin, dmax, middle;
GDALRasterBandH data_band, out_band;
int y_index = 0;
data_band = GDALGetRasterBand (in_Dataset, bands);
out_band = GDALGetRasterBand (out_Dataset, bands);
/* Set nodata for that band */
GDALSetRasterNoDataValue (out_band, 0.0);
/*Find Min,Max, required for scaling */
for (y_index = 0; y_index < GDALGetRasterYSize (in_Dataset); y_index++)
{
/* Read data.. */
GDALRasterIO (data_band, GF_Read, 0, y_index, xsize, 1,
data_scan_line, xsize, 1, GDT_Float64, 0, 0);
for (x = 0; x < xsize; x++)
{
if (data_scan_line[x] < MAX_MODIS
&& data_scan_line[x] > MIN_VALUE)
{
if (data_scan_line[x] > max)
max = data_scan_line[x];
else if (data_scan_line[x] < min)
min = data_scan_line[x];
}
}
}
dmax = (double) max;
dmin = (double) min;
printf ("Info: For Band %d -> Min=%g,Max=%g\n", bands, dmin, dmax);
for (y_index = 0; y_index < GDALGetRasterYSize (in_Dataset); y_index++)
{
double scaled;
/* Read data.. */
GDALRasterIO (data_band, GF_Read, 0, y_index, xsize, 1,
data_scan_line, xsize, 1, GDT_Float64, 0, 0);
/* scale each .. */
for (x = 0; x < xsize; x++)
{
out_scan_line[x] =
scale (palette_in, palette_out, data_scan_line[x], dmin,
dmax);
}
/* now write out band.. */
GDALRasterIO (out_band, GF_Write, 0, y_index, xsize, 1,
out_scan_line, xsize, 1, GDT_Byte, 0, 0);
}
}
/* close file, and we are done. */
GDALClose (out_Dataset);
}
int
main (int argc, const char *argv[])
{
GDALDriverH hDriver;
double adfGeoTransform[6];
GDALDatasetH in_Dataset;
GDALDatasetH mask_Dataset;
GDALDatasetH out_Dataset;
GDALRasterBandH mask_band;
unsigned char *out_scan_line, *data_scan_line;
int nBlockXSize, nBlockYSize;
int bGotMin, bGotMax;
int bands;
int xsize;
double adfMinMax[2];
int valid_data_pixels[10];
int saturated_data_pixels[10];
int y_index, x;
GDALRasterBandH out_band;
if (argc != 3)
{
ussage (argv[0]);
}
GDALAllRegister ();
/* Set cache to something reasonable.. - 1/2 gig */
CPLSetConfigOption ("GDAL_CACHEMAX", "512");
/* open datasets.. */
in_Dataset = GDAL_open_read (argv[1]);
out_Dataset = make_me_a_sandwitch (&in_Dataset, argv[2]);
/* Basic info on source dataset.. */
GDALGetBlockSize (GDALGetRasterBand (in_Dataset, 1), &nBlockXSize,
&nBlockYSize);
/* Loop though bands, checking for saturated pixels .... */
xsize = GDALGetRasterXSize (in_Dataset);
data_scan_line = (char *) CPLMalloc (sizeof (char) * xsize);
out_scan_line = (char *) CPLMalloc (sizeof (char) * xsize);
/* The output band... */
out_band = GDALGetRasterBand (out_Dataset, 1);
/* wipe counters.. */
for (bands = 1; bands <= GDALGetRasterCount (in_Dataset); bands++)
{
valid_data_pixels[bands] = 0;
saturated_data_pixels[bands] = 0;
}
/* loop though the lines of the data, looking for no data and saturated pixels.. */
for (y_index = 0; y_index < GDALGetRasterYSize (in_Dataset); y_index++)
{
for (bands = 1; bands <= GDALGetRasterCount (in_Dataset); bands++)
{
GDALRasterBandH data_band;
/* Read data.. */
data_band = GDALGetRasterBand (in_Dataset, bands);
GDALRasterIO (data_band, GF_Read, 0, y_index, xsize, 1,
data_scan_line, xsize, 1, GDT_Byte, 0, 0);
/* If first band, then copy into output slice.. */
if (bands == 1)
{
unsigned char data_value;
for (x = 0; x < xsize; x++)
{
/*shift to make darker... */
out_scan_line[x] = data_scan_line[x] >> 1;
if (out_scan_line[x] == 0 && data_scan_line[x] != 0)
{
out_scan_line[x] = 1;
}
}
}
/* Loop though, looking for saturated pixels and no-data values.. */
for (x = 0; x < xsize; x++)
{
if (data_scan_line[x] == 0)
{
out_scan_line[x] = 255;
}
}
}
GDALRasterIO (out_band, GF_Write, 0, y_index, xsize, 1, out_scan_line,
xsize, 1, GDT_Byte, 0, 0);
}
s_sat * sat_load(const char * dname)
{
try;
bool is_first = true;
unsigned v, height, width, height_width, raster_num = 0;
char str[BUF_SIZE], * sstr;
DIR * dir = NULL;
struct dirent * entry;
GDALDatasetH ds = NULL;
s_sat * sat = NULL;
throw_null((sat = sat_init(DIM)));
throw_null((dir = opendir(dname)));
while((entry = readdir(dir)) != NULL)
for(v = 0; v < DIM; v++)
{
sprintf(str, "B%u0.tif", v + 1);
sstr = strstr(entry->d_name, str);
if((sstr != NULL) && (sstr[7] == '\0'))
{
sprintf(str, "%s/%s", dname, entry->d_name);
throw_null(ds = GDALOpen(str, GA_ReadOnly));
if(is_first)
{
height = sat->height = GDALGetRasterYSize(ds);
width = sat->width = GDALGetRasterXSize(ds);
throw((GDALGetGeoTransform(ds, sat->gt_coef) == CE_Failure));
throw_null((sat->proj_ref = strdup(GDALGetProjectionRef(ds))));
height_width = height * width;
is_first = false;
}
throw_null((sat->pixel[v] = sfire_alloc(sizeof(uint8_t), 1, height_width)));
throw((GDALDatasetRasterIO(ds, GF_Read, 0, 0, width, height, sat->pixel[v], width, height, GDT_Byte, 1, NULL, 0, 0, 0) == CE_Failure));
GDALClose(ds);
ds = NULL;
raster_num++;
break;
}
}
throw((raster_num != DIM));
catch;
sat_destroy(sat);
sat = NULL;
finally;
if(ds != NULL)
GDALClose(ds);
if(dir != NULL)
closedir(dir);
return sat;
}
static ERL_NIF_TERM gdal_nif_get_meta(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
{
gdal_img_handle* handle;
if (enif_get_resource(env, argv[0], gdal_img_RESOURCE, (void**)&handle)) {
GDALDatasetH in_ds = handle->in_ds;
if (in_ds != NULL) {
ERL_NIF_TERM terms[8];
int idx = 0;
terms[idx++] = enif_make_tuple2(env,
enif_make_atom(env, "description"),
enif_make_string(env, GDALGetDescription(in_ds), ERL_NIF_LATIN1));
GDALDriverH hDriver = GDALGetDatasetDriver(in_ds);
char buf[256];
sprintf(buf, "%s/%s",
GDALGetDriverShortName(hDriver), GDALGetDriverLongName(hDriver));
terms[idx++] = enif_make_tuple2(env,
enif_make_atom(env, "driver"),
enif_make_string(env, buf, ERL_NIF_LATIN1));
terms[idx++] = enif_make_tuple2(env,
enif_make_atom(env, "rasterSize"),
enif_make_tuple2(env,
enif_make_int(env, GDALGetRasterXSize(in_ds)),
enif_make_int(env, GDALGetRasterYSize(in_ds))));
terms[idx++] = enif_make_tuple2(env,
enif_make_atom(env, "rasterCount"),
enif_make_int(env, GDALGetRasterCount(in_ds)));
double adfGeoTransform[6];
if( GDALGetGeoTransform( in_ds, adfGeoTransform ) == CE_None ) {
terms[idx++] = enif_make_tuple2(env,
enif_make_atom(env, "origin"),
enif_make_tuple2(env,
enif_make_double(env, adfGeoTransform[0]),
enif_make_double(env, adfGeoTransform[3])));
terms[idx++] = enif_make_tuple2(env,
enif_make_atom(env, "pixelSize"),
enif_make_tuple2(env,
enif_make_double(env, adfGeoTransform[1]),
enif_make_double(env, adfGeoTransform[5])));
}
if (GDALGetProjectionRef(in_ds) != NULL) {
terms[idx++] = enif_make_tuple2(env,
enif_make_atom(env, "projection"),
enif_make_string(env,
GDALGetProjectionRef(in_ds), ERL_NIF_LATIN1));
}
char** fileList = GDALGetFileList(in_ds);
if (fileList != NULL) {
ERL_NIF_TERM fileTerms[16];
int fileIdx = 0;
char** files = fileList;
do {
fileTerms[ fileIdx++ ] = enif_make_string(env, *files, ERL_NIF_LATIN1);
} while(*(++files)) ;
CSLDestroy(fileList);
terms[idx++] = enif_make_tuple2(env,
enif_make_atom(env, "fileList"),
enif_make_list_from_array(env, fileTerms, fileIdx));
}
return enif_make_list_from_array(env, terms, idx);
}
else {
return ATOM_NOT_OPEN;
}
}
else {
return enif_make_badarg(env);
}
}
int main(void)
{
GDALAllRegister();
/*Open a file*/
GDALDatasetH hDataset;
hDataset = GDALOpen( "./dem.tif", GA_ReadOnly );
if( hDataset == NULL ) printf("The dataset is NULL!\n");
/*Getting Dasetset Information*/
GDALDriverH hDriver;
double adfGeoTransform[6];
hDriver = GDALGetDatasetDriver( hDataset );
printf( "Driver: %s/%s\n",
GDALGetDriverShortName( hDriver ),
GDALGetDriverLongName( hDriver ));
printf("Size is %dx%dx%d\n",
GDALGetRasterXSize( hDataset ),
GDALGetRasterYSize( hDataset ),
GDALGetRasterCount( hDataset ));
if( GDALGetProjectionRef( hDataset ) != NULL )
printf("Projection is '%s'\n", GDALGetProjectionRef( hDataset ) );
if (GDALGetGeoTransform( hDataset, adfGeoTransform ) == CE_None )
{
printf("Origin = (%.6f,%.6f)\n",
adfGeoTransform[0], adfGeoTransform[3]);
printf( "Pixel Size = (%.6f,%.6f)\n",
adfGeoTransform[0], adfGeoTransform[5]);
}
/*Fetching a Raster Band*/
GDALRasterBandH hBand;
int nBlockXSize, nBlockYSize;
int bGotMin, bGotMax;
double adfMinMax[2];
hBand = GDALGetRasterBand( hDataset, 1);
GDALGetBlockSize( hBand, &nBlockXSize, &nBlockYSize);
printf( "Block=%dx%d Type=%s, ColorInterp=%s\n",
nBlockXSize, nBlockYSize,
GDALGetDataTypeName(GDALGetRasterDataType(hBand)),
GDALGetColorInterpretationName(
GDALGetRasterColorInterpretation(hBand)) );
adfMinMax[0] = GDALGetRasterMinimum( hBand, &bGotMin );
adfMinMax[1] = GDALGetRasterMaximum( hBand, &bGotMax );
if( !(bGotMin && bGotMax) )
{
GDALComputeRasterMinMax( hBand, TRUE, adfMinMax );
}
printf( "Min=%.3fd, Max=%.3f\n", adfMinMax[0], adfMinMax[1]);
if(GDALGetOverviewCount(hBand) > 0)
printf( "Band has %d overviews.\n", GDALGetOverviewCount(hBand));
if( GDALGetRasterColorTable( hBand ) != NULL)
printf( "Band has a color table with %d entries.\n",
GDALGetColorEntryCount(
GDALGetRasterColorTable( hBand)));
/*Reading Raster Data*/
float *pafScanline;
int nXSize = GDALGetRasterBandXSize( hBand );
pafScanline = (float *)CPLMalloc(sizeof(float)*nXSize);
GDALRasterIO(hBand, GF_Read, 0, 0, nXSize, 1,
pafScanline, nXSize, 1, GDT_Float32, 0, 0);
CPLFree(pafScanline);
return 0;
}
MAIN_START(argc, argv)
{
// Check that we are running against at least GDAL 1.4.
// Note to developers: if we use newer API, please change the requirement.
if( atoi(GDALVersionInfo("VERSION_NUM")) < 1400 )
{
fprintf(stderr,
"At least, GDAL >= 1.4.0 is required for this version of %s, "
"which was compiled against GDAL %s\n",
argv[0], GDAL_RELEASE_NAME);
exit(1);
}
GDALAllRegister();
OGRRegisterAll();
argc = GDALGeneralCmdLineProcessor( argc, &argv, 0 );
if( argc < 1 )
exit( -argc );
/* -------------------------------------------------------------------- */
/* Get commandline arguments other than the GDAL raster filenames. */
/* -------------------------------------------------------------------- */
const char* pszIndexLayerName = nullptr;
const char *index_filename = nullptr;
const char *tile_index = "location";
const char* pszDriverName = nullptr;
size_t nMaxFieldSize = 254;
bool write_absolute_path = false;
char* current_path = nullptr;
bool skip_different_projection = false;
const char *pszTargetSRS = "";
bool bSetTargetSRS = false;
const char* pszSrcSRSName = nullptr;
int i_SrcSRSName = -1;
bool bSrcSRSFormatSpecified = false;
SrcSRSFormat eSrcSRSFormat = FORMAT_AUTO;
int iArg = 1; // Used after for.
for( ; iArg < argc; iArg++ )
{
if( EQUAL(argv[iArg], "--utility_version") )
{
printf("%s was compiled against GDAL %s and is running against "
"GDAL %s\n",
argv[0], GDAL_RELEASE_NAME, GDALVersionInfo("RELEASE_NAME"));
CSLDestroy( argv );
return 0;
}
else if( EQUAL(argv[iArg],"--help") )
Usage(nullptr);
else if( (strcmp(argv[iArg],"-f") == 0 || strcmp(argv[iArg],"-of") == 0) )
{
CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
pszDriverName = argv[++iArg];
}
else if( strcmp(argv[iArg],"-lyr_name") == 0 )
{
CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
pszIndexLayerName = argv[++iArg];
}
else if( strcmp(argv[iArg],"-tileindex") == 0 )
{
CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
tile_index = argv[++iArg];
}
else if( strcmp(argv[iArg],"-t_srs") == 0 )
{
CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
pszTargetSRS = argv[++iArg];
bSetTargetSRS = true;
}
else if ( strcmp(argv[iArg],"-write_absolute_path") == 0 )
{
write_absolute_path = true;
}
else if ( strcmp(argv[iArg],"-skip_different_projection") == 0 )
{
skip_different_projection = true;
}
else if( strcmp(argv[iArg], "-src_srs_name") == 0 )
{
CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
pszSrcSRSName = argv[++iArg];
}
else if( strcmp(argv[iArg], "-src_srs_format") == 0 )
{
const char* pszFormat;
bSrcSRSFormatSpecified = true;
CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
pszFormat = argv[++iArg];
if( EQUAL(pszFormat, "AUTO") )
eSrcSRSFormat = FORMAT_AUTO;
else if( EQUAL(pszFormat, "WKT") )
eSrcSRSFormat = FORMAT_WKT;
else if( EQUAL(pszFormat, "EPSG") )
eSrcSRSFormat = FORMAT_EPSG;
else if( EQUAL(pszFormat, "PROJ") )
eSrcSRSFormat = FORMAT_PROJ;
}
else if( argv[iArg][0] == '-' )
Usage(CPLSPrintf("Unknown option name '%s'", argv[iArg]));
else if( index_filename == nullptr )
{
index_filename = argv[iArg];
iArg++;
break;
}
}
if( index_filename == nullptr )
Usage("No index filename specified.");
if( iArg == argc )
Usage("No file to index specified.");
if( bSrcSRSFormatSpecified && pszSrcSRSName == nullptr )
Usage("-src_srs_name must be specified when -src_srs_format is "
"specified.");
/* -------------------------------------------------------------------- */
/* Create and validate target SRS if given. */
/* -------------------------------------------------------------------- */
OGRSpatialReferenceH hTargetSRS = nullptr;
if( bSetTargetSRS )
{
if( skip_different_projection )
{
fprintf( stderr,
"Warning : -skip_different_projection does not apply "
"when -t_srs is requested.\n" );
}
hTargetSRS = OSRNewSpatialReference("");
// coverity[tainted_data]
if( OSRSetFromUserInput( hTargetSRS, pszTargetSRS ) != CE_None )
{
OSRDestroySpatialReference( hTargetSRS );
fprintf( stderr, "Invalid target SRS `%s'.\n",
pszTargetSRS );
exit(1);
}
}
/* -------------------------------------------------------------------- */
/* Open or create the target datasource */
/* -------------------------------------------------------------------- */
GDALDatasetH hTileIndexDS = GDALOpenEx(
index_filename, GDAL_OF_VECTOR | GDAL_OF_UPDATE, nullptr, nullptr, nullptr );
OGRLayerH hLayer = nullptr;
CPLString osFormat;
if( hTileIndexDS != nullptr )
{
GDALDriverH hDriver = GDALGetDatasetDriver(hTileIndexDS);
if( hDriver )
osFormat = GDALGetDriverShortName(hDriver);
if( GDALDatasetGetLayerCount(hTileIndexDS) == 1 )
{
hLayer = GDALDatasetGetLayer(hTileIndexDS, 0);
}
else
{
if( pszIndexLayerName == nullptr )
{
printf( "-lyr_name must be specified.\n" );
exit( 1 );
}
CPLPushErrorHandler(CPLQuietErrorHandler);
hLayer = GDALDatasetGetLayerByName(hTileIndexDS, pszIndexLayerName);
CPLPopErrorHandler();
}
}
else
{
printf( "Creating new index file...\n" );
if( pszDriverName == nullptr )
{
std::vector<CPLString> aoDrivers =
GetOutputDriversFor(index_filename, GDAL_OF_VECTOR);
if( aoDrivers.empty() )
{
CPLError( CE_Failure, CPLE_AppDefined,
"Cannot guess driver for %s", index_filename);
exit( 10 );
}
else
{
if( aoDrivers.size() > 1 )
{
CPLError( CE_Warning, CPLE_AppDefined,
"Several drivers matching %s extension. Using %s",
CPLGetExtension(index_filename), aoDrivers[0].c_str() );
}
osFormat = aoDrivers[0];
}
}
else
{
osFormat = pszDriverName;
}
if( !EQUAL(osFormat, "ESRI Shapefile") )
nMaxFieldSize = 0;
GDALDriverH hDriver = GDALGetDriverByName( osFormat.c_str() );
if( hDriver == nullptr )
{
printf( "%s driver not available.\n", osFormat.c_str() );
exit( 1 );
}
hTileIndexDS =
GDALCreate( hDriver, index_filename, 0, 0, 0, GDT_Unknown, nullptr );
}
if( hTileIndexDS != nullptr && hLayer == nullptr )
{
OGRSpatialReferenceH hSpatialRef = nullptr;
char* pszLayerName = nullptr;
if( pszIndexLayerName == nullptr )
{
VSIStatBuf sStat;
if( EQUAL(osFormat, "ESRI Shapefile") ||
VSIStat(index_filename, &sStat) == 0 )
{
pszLayerName = CPLStrdup(CPLGetBasename(index_filename));
}
else
{
printf( "-lyr_name must be specified.\n" );
exit( 1 );
}
}
else
{
pszLayerName = CPLStrdup(pszIndexLayerName);
}
/* get spatial reference for output file from target SRS (if set) */
/* or from first input file */
if( bSetTargetSRS )
{
hSpatialRef = OSRClone( hTargetSRS );
}
else
{
GDALDatasetH hDS = GDALOpen( argv[iArg], GA_ReadOnly );
if( hDS )
{
const char* pszWKT = GDALGetProjectionRef(hDS);
if (pszWKT != nullptr && pszWKT[0] != '\0')
{
hSpatialRef = OSRNewSpatialReference(pszWKT);
}
GDALClose(hDS);
}
}
hLayer =
GDALDatasetCreateLayer( hTileIndexDS, pszLayerName, hSpatialRef,
wkbPolygon, nullptr );
CPLFree(pszLayerName);
if( hSpatialRef )
OSRRelease(hSpatialRef);
if( hLayer )
{
OGRFieldDefnH hFieldDefn = OGR_Fld_Create( tile_index, OFTString );
if( nMaxFieldSize )
OGR_Fld_SetWidth( hFieldDefn, static_cast<int>(nMaxFieldSize));
OGR_L_CreateField( hLayer, hFieldDefn, TRUE );
OGR_Fld_Destroy(hFieldDefn);
if( pszSrcSRSName != nullptr )
{
hFieldDefn = OGR_Fld_Create( pszSrcSRSName, OFTString );
if( nMaxFieldSize )
OGR_Fld_SetWidth(hFieldDefn,
static_cast<int>(nMaxFieldSize));
OGR_L_CreateField( hLayer, hFieldDefn, TRUE );
OGR_Fld_Destroy(hFieldDefn);
}
}
}
if( hTileIndexDS == nullptr || hLayer == nullptr )
{
fprintf( stderr, "Unable to open/create shapefile `%s'.\n",
index_filename );
exit(2);
}
OGRFeatureDefnH hFDefn = OGR_L_GetLayerDefn(hLayer);
const int ti_field = OGR_FD_GetFieldIndex( hFDefn, tile_index );
if( ti_field < 0 )
{
fprintf( stderr, "Unable to find field `%s' in file `%s'.\n",
tile_index, index_filename );
exit(2);
}
if( pszSrcSRSName != nullptr )
i_SrcSRSName = OGR_FD_GetFieldIndex( hFDefn, pszSrcSRSName );
// Load in memory existing file names in SHP.
int nExistingFiles = static_cast<int>(OGR_L_GetFeatureCount(hLayer, FALSE));
if( nExistingFiles < 0)
nExistingFiles = 0;
char** existingFilesTab = nullptr;
bool alreadyExistingProjectionRefValid = false;
char* alreadyExistingProjectionRef = nullptr;
if( nExistingFiles > 0 )
{
OGRFeatureH hFeature = nullptr;
existingFilesTab = static_cast<char **>(
CPLMalloc(nExistingFiles * sizeof(char*)));
for( int i = 0; i < nExistingFiles; i++ )
{
hFeature = OGR_L_GetNextFeature(hLayer);
existingFilesTab[i] =
CPLStrdup(OGR_F_GetFieldAsString( hFeature, ti_field ));
if( i == 0 )
{
GDALDatasetH hDS = GDALOpen(existingFilesTab[i], GA_ReadOnly );
if( hDS )
{
alreadyExistingProjectionRefValid = true;
alreadyExistingProjectionRef =
CPLStrdup(GDALGetProjectionRef(hDS));
GDALClose(hDS);
}
}
OGR_F_Destroy( hFeature );
}
}
if( write_absolute_path )
{
current_path = CPLGetCurrentDir();
if (current_path == nullptr)
{
fprintf( stderr,
"This system does not support the CPLGetCurrentDir call. "
"The option -write_absolute_path will have no effect\n" );
write_absolute_path = FALSE;
}
}
/* -------------------------------------------------------------------- */
/* loop over GDAL files, processing. */
/* -------------------------------------------------------------------- */
for( ; iArg < argc; iArg++ )
{
char *fileNameToWrite = nullptr;
VSIStatBuf sStatBuf;
// Make sure it is a file before building absolute path name.
if( write_absolute_path && CPLIsFilenameRelative( argv[iArg] ) &&
VSIStat( argv[iArg], &sStatBuf ) == 0 )
{
fileNameToWrite =
CPLStrdup(CPLProjectRelativeFilename(current_path, argv[iArg]));
}
else
{
fileNameToWrite = CPLStrdup(argv[iArg]);
}
// Checks that file is not already in tileindex.
{
int i = 0; // Used after for.
for( ; i < nExistingFiles; i++ )
{
if (EQUAL(fileNameToWrite, existingFilesTab[i]))
{
fprintf(stderr,
"File %s is already in tileindex. Skipping it.\n",
fileNameToWrite);
break;
}
}
if (i != nExistingFiles)
{
CPLFree(fileNameToWrite);
continue;
}
}
GDALDatasetH hDS = GDALOpen( argv[iArg], GA_ReadOnly );
if( hDS == nullptr )
{
fprintf( stderr, "Unable to open %s, skipping.\n",
argv[iArg] );
CPLFree(fileNameToWrite);
continue;
}
double adfGeoTransform[6] = { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 };
GDALGetGeoTransform( hDS, adfGeoTransform );
if( adfGeoTransform[0] == 0.0
&& adfGeoTransform[1] == 1.0
&& adfGeoTransform[3] == 0.0
&& std::abs(adfGeoTransform[5]) == 1.0 )
{
fprintf( stderr,
"It appears no georeferencing is available for\n"
"`%s', skipping.\n",
argv[iArg] );
GDALClose( hDS );
CPLFree(fileNameToWrite);
continue;
}
const char *projectionRef = GDALGetProjectionRef(hDS);
// If not set target srs, test that the current file uses same
// projection as others.
if( !bSetTargetSRS )
{
if( alreadyExistingProjectionRefValid )
{
int projectionRefNotNull, alreadyExistingProjectionRefNotNull;
projectionRefNotNull = projectionRef && projectionRef[0];
alreadyExistingProjectionRefNotNull =
alreadyExistingProjectionRef &&
alreadyExistingProjectionRef[0];
if ((projectionRefNotNull &&
alreadyExistingProjectionRefNotNull &&
EQUAL(projectionRef, alreadyExistingProjectionRef) == 0) ||
(projectionRefNotNull != alreadyExistingProjectionRefNotNull))
{
fprintf(
stderr,
"Warning : %s is not using the same projection system "
"as other files in the tileindex.\n"
"This may cause problems when using it in MapServer "
"for example.\n"
"Use -t_srs option to set target projection system "
"(not supported by MapServer).\n"
"%s\n", argv[iArg],
skip_different_projection ? "Skipping this file." : "");
if( skip_different_projection )
{
CPLFree(fileNameToWrite);
GDALClose( hDS );
continue;
}
}
}
else
{
alreadyExistingProjectionRefValid = true;
alreadyExistingProjectionRef = CPLStrdup(projectionRef);
}
}
const int nXSize = GDALGetRasterXSize( hDS );
const int nYSize = GDALGetRasterYSize( hDS );
double adfX[5] = { 0.0, 0.0, 0.0, 0.0, 0.0 };
double adfY[5] = { 0.0, 0.0, 0.0, 0.0, 0.0 };
adfX[0] = adfGeoTransform[0]
+ 0 * adfGeoTransform[1]
+ 0 * adfGeoTransform[2];
adfY[0] = adfGeoTransform[3]
+ 0 * adfGeoTransform[4]
+ 0 * adfGeoTransform[5];
adfX[1] = adfGeoTransform[0]
+ nXSize * adfGeoTransform[1]
+ 0 * adfGeoTransform[2];
adfY[1] = adfGeoTransform[3]
+ nXSize * adfGeoTransform[4]
+ 0 * adfGeoTransform[5];
adfX[2] = adfGeoTransform[0]
+ nXSize * adfGeoTransform[1]
+ nYSize * adfGeoTransform[2];
adfY[2] = adfGeoTransform[3]
+ nXSize * adfGeoTransform[4]
+ nYSize * adfGeoTransform[5];
adfX[3] = adfGeoTransform[0]
+ 0 * adfGeoTransform[1]
+ nYSize * adfGeoTransform[2];
adfY[3] = adfGeoTransform[3]
+ 0 * adfGeoTransform[4]
+ nYSize * adfGeoTransform[5];
adfX[4] = adfGeoTransform[0]
+ 0 * adfGeoTransform[1]
+ 0 * adfGeoTransform[2];
adfY[4] = adfGeoTransform[3]
+ 0 * adfGeoTransform[4]
+ 0 * adfGeoTransform[5];
OGRSpatialReferenceH hSourceSRS = nullptr;
if( (bSetTargetSRS || i_SrcSRSName >= 0) &&
projectionRef != nullptr &&
projectionRef[0] != '\0' )
{
hSourceSRS = OSRNewSpatialReference( projectionRef );
}
// If set target srs, do the forward transformation of all points.
if( bSetTargetSRS && projectionRef != nullptr && projectionRef[0] != '\0' )
{
OGRCoordinateTransformationH hCT = nullptr;
if( hSourceSRS && !OSRIsSame( hSourceSRS, hTargetSRS ) )
{
hCT = OCTNewCoordinateTransformation( hSourceSRS, hTargetSRS );
if( hCT == nullptr || !OCTTransform( hCT, 5, adfX, adfY, nullptr ) )
{
fprintf(
stderr,
"Warning : unable to transform points from source "
"SRS `%s' to target SRS `%s'\n"
"for file `%s' - file skipped\n",
projectionRef, pszTargetSRS, fileNameToWrite );
if( hCT )
OCTDestroyCoordinateTransformation( hCT );
if( hSourceSRS )
OSRDestroySpatialReference( hSourceSRS );
continue;
}
if( hCT )
OCTDestroyCoordinateTransformation( hCT );
}
}
OGRFeatureH hFeature = OGR_F_Create( OGR_L_GetLayerDefn( hLayer ) );
OGR_F_SetFieldString( hFeature, ti_field, fileNameToWrite );
if( i_SrcSRSName >= 0 && hSourceSRS != nullptr )
{
const char* pszAuthorityCode =
OSRGetAuthorityCode(hSourceSRS, nullptr);
const char* pszAuthorityName =
OSRGetAuthorityName(hSourceSRS, nullptr);
if( eSrcSRSFormat == FORMAT_AUTO )
{
if( pszAuthorityName != nullptr && pszAuthorityCode != nullptr )
{
OGR_F_SetFieldString(
hFeature, i_SrcSRSName,
CPLSPrintf("%s:%s",
pszAuthorityName, pszAuthorityCode) );
}
else if( nMaxFieldSize == 0 ||
strlen(projectionRef) <= nMaxFieldSize )
{
OGR_F_SetFieldString(hFeature, i_SrcSRSName, projectionRef);
}
else
{
char* pszProj4 = nullptr;
if( OSRExportToProj4(hSourceSRS, &pszProj4) == OGRERR_NONE )
{
OGR_F_SetFieldString( hFeature, i_SrcSRSName,
pszProj4 );
CPLFree(pszProj4);
}
else
{
OGR_F_SetFieldString( hFeature, i_SrcSRSName,
projectionRef );
}
}
}
else if( eSrcSRSFormat == FORMAT_WKT )
{
if( nMaxFieldSize == 0 ||
strlen(projectionRef) <= nMaxFieldSize )
{
OGR_F_SetFieldString( hFeature, i_SrcSRSName,
projectionRef );
}
else
{
fprintf(stderr,
"Cannot write WKT for file %s as it is too long!\n",
fileNameToWrite);
}
}
else if( eSrcSRSFormat == FORMAT_PROJ )
{
char* pszProj4 = nullptr;
if( OSRExportToProj4(hSourceSRS, &pszProj4) == OGRERR_NONE )
{
OGR_F_SetFieldString( hFeature, i_SrcSRSName, pszProj4 );
CPLFree(pszProj4);
}
}
else if( eSrcSRSFormat == FORMAT_EPSG )
{
if( pszAuthorityName != nullptr && pszAuthorityCode != nullptr )
OGR_F_SetFieldString(
hFeature, i_SrcSRSName,
CPLSPrintf("%s:%s",
pszAuthorityName, pszAuthorityCode) );
}
}
if( hSourceSRS )
OSRDestroySpatialReference( hSourceSRS );
OGRGeometryH hPoly = OGR_G_CreateGeometry(wkbPolygon);
OGRGeometryH hRing = OGR_G_CreateGeometry(wkbLinearRing);
for( int k = 0; k < 5; k++ )
OGR_G_SetPoint_2D(hRing, k, adfX[k], adfY[k]);
OGR_G_AddGeometryDirectly( hPoly, hRing );
OGR_F_SetGeometryDirectly( hFeature, hPoly );
if( OGR_L_CreateFeature( hLayer, hFeature ) != OGRERR_NONE )
{
printf( "Failed to create feature in shapefile.\n" );
break;
}
OGR_F_Destroy( hFeature );
CPLFree(fileNameToWrite);
GDALClose( hDS );
}
CPLFree(current_path);
if (nExistingFiles)
{
for( int i = 0; i < nExistingFiles; i++ )
{
CPLFree(existingFilesTab[i]);
}
CPLFree(existingFilesTab);
}
CPLFree(alreadyExistingProjectionRef);
if ( hTargetSRS )
OSRDestroySpatialReference( hTargetSRS );
GDALClose( hTileIndexDS );
GDALDestroyDriverManager();
OGRCleanupAll();
CSLDestroy(argv);
exit( 0 );
}
int main( int argc, char ** argv )
{
/* Check that we are running against at least GDAL 1.4 (probably older in fact !) */
/* Note to developers : if we use newer API, please change the requirement */
if (atoi(GDALVersionInfo("VERSION_NUM")) < 1400)
{
fprintf(stderr, "At least, GDAL >= 1.4.0 is required for this version of %s, "
"which was compiled against GDAL %s\n", argv[0], GDAL_RELEASE_NAME);
exit(1);
}
/* -------------------------------------------------------------------- */
/* Generic arg processing. */
/* -------------------------------------------------------------------- */
GDALAllRegister();
GDALSetCacheMax( 100000000 );
argc = GDALGeneralCmdLineProcessor( argc, &argv, 0 );
if( argc < 1 )
exit( -argc );
/* -------------------------------------------------------------------- */
/* Parse arguments. */
/* -------------------------------------------------------------------- */
int i;
const char *pszOutFile = NULL;
const char *pszInFile = NULL;
int nMaxNonBlack = 2;
int nNearDist = 15;
int bNearWhite = FALSE;
int bSetAlpha = FALSE;
int bSetMask = FALSE;
const char* pszDriverName = "HFA";
int bFormatExplicitelySet = FALSE;
char** papszCreationOptions = NULL;
int bQuiet = FALSE;
Colors oColors;
for( i = 1; i < argc; i++ )
{
if( EQUAL(argv[i], "--utility_version") )
{
printf("%s was compiled against GDAL %s and is running against GDAL %s\n",
argv[0], GDAL_RELEASE_NAME, GDALVersionInfo("RELEASE_NAME"));
return 0;
}
else if( EQUAL(argv[i], "-o") && i < argc-1 )
pszOutFile = argv[++i];
else if( EQUAL(argv[i], "-of") && i < argc-1 )
{
pszDriverName = argv[++i];
bFormatExplicitelySet = TRUE;
}
else if( EQUAL(argv[i], "-white") ) {
bNearWhite = TRUE;
}
/***** -color c1,c2,c3...cn *****/
else if( EQUAL(argv[i], "-color") && i < argc-1 ) {
Color oColor;
/***** tokenize the arg on , *****/
char **papszTokens;
papszTokens = CSLTokenizeString2( argv[++i], ",", 0 );
/***** loop over the tokens *****/
int iToken;
for( iToken = 0; papszTokens && papszTokens[iToken]; iToken++ )
{
/***** ensure the token is an int and add it to the color *****/
if ( IsInt( papszTokens[iToken] ) )
oColor.push_back( atoi( papszTokens[iToken] ) );
else {
CPLError(CE_Failure, CPLE_AppDefined,
"Colors must be valid integers." );
CSLDestroy( papszTokens );
exit(1);
}
}
CSLDestroy( papszTokens );
/***** check if the number of bands is consistant *****/
if ( oColors.size() > 0 &&
oColors.front().size() != oColor.size() )
{
CPLError(CE_Failure, CPLE_AppDefined,
"ERROR: all -color args must have the same number of values.\n" );
exit(1);
}
/***** add the color to the colors *****/
oColors.push_back( oColor );
}
else if( EQUAL(argv[i], "-nb") && i < argc-1 )
nMaxNonBlack = atoi(argv[++i]);
else if( EQUAL(argv[i], "-near") && i < argc-1 )
nNearDist = atoi(argv[++i]);
else if( EQUAL(argv[i], "-setalpha") )
bSetAlpha = TRUE;
else if( EQUAL(argv[i], "-setmask") )
bSetMask = TRUE;
else if( EQUAL(argv[i], "-q") || EQUAL(argv[i], "-quiet") )
bQuiet = TRUE;
else if( EQUAL(argv[i], "-co") && i < argc-1 )
papszCreationOptions = CSLAddString(papszCreationOptions, argv[++i]);
else if( argv[i][0] == '-' )
Usage();
else if( pszInFile == NULL )
pszInFile = argv[i];
else
Usage();
}
if( pszInFile == NULL )
Usage();
if( pszOutFile == NULL )
pszOutFile = pszInFile;
/* -------------------------------------------------------------------- */
/* Open input file. */
/* -------------------------------------------------------------------- */
GDALDatasetH hInDS, hOutDS = NULL;
int nXSize, nYSize, nBands;
if( pszOutFile == pszInFile )
hInDS = hOutDS = GDALOpen( pszInFile, GA_Update );
else
hInDS = GDALOpen( pszInFile, GA_ReadOnly );
if( hInDS == NULL )
exit( 1 );
nXSize = GDALGetRasterXSize( hInDS );
nYSize = GDALGetRasterYSize( hInDS );
nBands = GDALGetRasterCount( hInDS );
int nDstBands = nBands;
if( hOutDS != NULL && papszCreationOptions != NULL)
{
CPLError(CE_Warning, CPLE_AppDefined,
"Warning: creation options are ignored when writing to an existing file.");
}
/* -------------------------------------------------------------------- */
/* Do we need to create output file? */
/* -------------------------------------------------------------------- */
if( hOutDS == NULL )
{
GDALDriverH hDriver = GDALGetDriverByName( pszDriverName );
if (hDriver == NULL)
exit(1);
if (!bQuiet && !bFormatExplicitelySet)
CheckExtensionConsistency(pszOutFile, pszDriverName);
if (bSetAlpha)
{
/***** fixme there should be a way to preserve alpha band data not in the collar *****/
if (nBands == 4)
nBands --;
else
nDstBands ++;
}
if (bSetMask)
{
if (nBands == 4)
nDstBands = nBands = 3;
}
hOutDS = GDALCreate( hDriver, pszOutFile,
nXSize, nYSize, nDstBands, GDT_Byte,
papszCreationOptions );
if( hOutDS == NULL )
exit( 1 );
double adfGeoTransform[6];
if( GDALGetGeoTransform( hInDS, adfGeoTransform ) == CE_None )
{
GDALSetGeoTransform( hOutDS, adfGeoTransform );
GDALSetProjection( hOutDS, GDALGetProjectionRef( hInDS ) );
}
}
else
{
if (bSetAlpha)
{
if (nBands != 4 &&
(nBands < 2 ||
GDALGetRasterColorInterpretation(GDALGetRasterBand(hOutDS, nBands)) != GCI_AlphaBand))
{
CPLError(CE_Failure, CPLE_AppDefined,
"Last band is not an alpha band.");
exit(1);
}
nBands --;
}
if (bSetMask)
{
if (nBands == 4)
nDstBands = nBands = 3;
}
}
/***** set a color if there are no colors set? *****/
if ( oColors.size() == 0) {
Color oColor;
/***** loop over the bands to get the right number of values *****/
int iBand;
for (iBand = 0; iBand < nBands ; iBand++) {
/***** black or white? *****/
if (bNearWhite)
oColor.push_back(255);
else
oColor.push_back(0);
}
/***** add the color to the colors *****/
oColors.push_back(oColor);
}
/***** does the number of bands match the number of color values? *****/
if ( (int)oColors.front().size() != nBands ) {
CPLError( CE_Failure, CPLE_AppDefined,
"-color args must have the same number of values as the non alpha input band count.\n" );
exit(1);
}
/***** check the input and output datasets are the same size *****/
if (GDALGetRasterXSize(hOutDS) != nXSize ||
GDALGetRasterYSize(hOutDS) != nYSize)
{
CPLError(CE_Failure, CPLE_AppDefined,
"The dimensions of the output dataset don't match "
"the dimensions of the input dataset.");
exit(1);
}
int iBand;
for( iBand = 0; iBand < nBands; iBand++ )
{
GDALRasterBandH hBand = GDALGetRasterBand(hInDS, iBand+1);
if (GDALGetRasterDataType(hBand) != GDT_Byte)
{
CPLError(CE_Warning, CPLE_AppDefined,
"Band %d is not of type GDT_Byte. It can lead to unexpected results.", iBand+1);
}
if (GDALGetRasterColorTable(hBand) != NULL)
{
CPLError(CE_Warning, CPLE_AppDefined,
"Band %d has a color table, which is ignored by nearblack. "
"It can lead to unexpected results.", iBand+1);
}
}
GDALRasterBandH hMaskBand = NULL;
if (bSetMask) {
/***** if there isn't already a mask band on the output file create one *****/
if ( GMF_PER_DATASET != GDALGetMaskFlags( GDALGetRasterBand(hOutDS, 1) ) )
{
if ( CE_None != GDALCreateDatasetMaskBand(hOutDS, GMF_PER_DATASET) ) {
CPLError(CE_Failure, CPLE_AppDefined,
"Failed to create mask band on output DS");
bSetMask = FALSE;
}
}
if (bSetMask) {
hMaskBand = GDALGetMaskBand(GDALGetRasterBand(hOutDS, 1));
}
}
/* -------------------------------------------------------------------- */
/* Allocate a line buffer. */
/* -------------------------------------------------------------------- */
GByte *pabyLine;
GByte *pabyMask=NULL;
int *panLastLineCounts;
pabyLine = (GByte *) CPLMalloc(nXSize * nDstBands);
if (bSetMask)
pabyMask = (GByte *) CPLMalloc(nXSize);
panLastLineCounts = (int *) CPLCalloc(sizeof(int),nXSize);
/* -------------------------------------------------------------------- */
/* Processing data one line at a time. */
/* -------------------------------------------------------------------- */
int iLine;
for( iLine = 0; iLine < nYSize; iLine++ )
{
CPLErr eErr;
eErr = GDALDatasetRasterIO( hInDS, GF_Read, 0, iLine, nXSize, 1,
pabyLine, nXSize, 1, GDT_Byte,
nBands, NULL, nDstBands, nXSize * nDstBands, 1 );
if( eErr != CE_None )
break;
if (bSetAlpha)
{
int iCol;
for(iCol = 0; iCol < nXSize; iCol ++)
{
pabyLine[iCol * nDstBands + nDstBands - 1] = 255;
}
}
if (bSetMask)
{
int iCol;
for(iCol = 0; iCol < nXSize; iCol ++)
{
pabyMask[iCol] = 255;
}
}
ProcessLine( pabyLine, pabyMask, 0, nXSize-1, nBands, nDstBands,
nNearDist, nMaxNonBlack, bNearWhite, &oColors,
panLastLineCounts,
TRUE, // bDoHorizontalCheck
TRUE, // bDoVerticalCheck
FALSE // bBottomUp
);
ProcessLine( pabyLine, pabyMask, nXSize-1, 0, nBands, nDstBands,
nNearDist, nMaxNonBlack, bNearWhite, &oColors,
panLastLineCounts,
TRUE, // bDoHorizontalCheck
FALSE, // bDoVerticalCheck
FALSE // bBottomUp
);
eErr = GDALDatasetRasterIO( hOutDS, GF_Write, 0, iLine, nXSize, 1,
pabyLine, nXSize, 1, GDT_Byte,
nDstBands, NULL, nDstBands, nXSize * nDstBands, 1 );
if( eErr != CE_None )
break;
/***** write out the mask band line *****/
if (bSetMask) {
eErr = GDALRasterIO ( hMaskBand, GF_Write, 0, iLine, nXSize, 1,
pabyMask, nXSize, 1, GDT_Byte,
0, 0 );
if( eErr != CE_None ) {
CPLError(CE_Warning, CPLE_AppDefined,
"ERROR writeing out line to mask band.");
break;
}
}
if (!bQuiet)
GDALTermProgress( 0.5 * ((iLine+1) / (double) nYSize), NULL, NULL );
}
/* -------------------------------------------------------------------- */
/* Now process from the bottom back up .*/
/* -------------------------------------------------------------------- */
memset( panLastLineCounts, 0, sizeof(int) * nXSize);
for( iLine = nYSize-1; iLine >= 0; iLine-- )
{
CPLErr eErr;
eErr = GDALDatasetRasterIO( hOutDS, GF_Read, 0, iLine, nXSize, 1,
pabyLine, nXSize, 1, GDT_Byte,
nDstBands, NULL, nDstBands, nXSize * nDstBands, 1 );
if( eErr != CE_None )
break;
/***** read the mask band line back in *****/
if (bSetMask) {
eErr = GDALRasterIO ( hMaskBand, GF_Read, 0, iLine, nXSize, 1,
pabyMask, nXSize, 1, GDT_Byte,
0, 0 );
if( eErr != CE_None )
break;
}
ProcessLine( pabyLine, pabyMask, 0, nXSize-1, nBands, nDstBands,
nNearDist, nMaxNonBlack, bNearWhite, &oColors,
panLastLineCounts,
TRUE, // bDoHorizontalCheck
TRUE, // bDoVerticalCheck
TRUE // bBottomUp
);
ProcessLine( pabyLine, pabyMask, nXSize-1, 0, nBands, nDstBands,
nNearDist, nMaxNonBlack, bNearWhite, &oColors,
panLastLineCounts,
TRUE, // bDoHorizontalCheck
FALSE, // bDoVerticalCheck
TRUE // bBottomUp
);
eErr = GDALDatasetRasterIO( hOutDS, GF_Write, 0, iLine, nXSize, 1,
pabyLine, nXSize, 1, GDT_Byte,
nDstBands, NULL, nDstBands, nXSize * nDstBands, 1 );
if( eErr != CE_None )
break;
/***** write out the mask band line *****/
if (bSetMask) {
eErr = GDALRasterIO ( hMaskBand, GF_Write, 0, iLine, nXSize, 1,
pabyMask, nXSize, 1, GDT_Byte,
0, 0 );
if( eErr != CE_None )
break;
}
if (!bQuiet)
GDALTermProgress( 0.5 + 0.5 * (nYSize-iLine) / (double) nYSize,
NULL, NULL );
}
CPLFree(pabyLine);
if (bSetMask)
CPLFree(pabyMask);
CPLFree( panLastLineCounts );
GDALClose( hOutDS );
if( hInDS != hOutDS )
GDALClose( hInDS );
GDALDumpOpenDatasets( stderr );
CSLDestroy( argv );
CSLDestroy( papszCreationOptions );
GDALDestroyDriverManager();
return 0;
}
SVImage init(int xLow, int xHigh, int yLow, int yHigh, const char *filepath){
GDALDatasetH hDataset;
// Register drivers
GDALAllRegister();
// open the given file as Read Only
hDataset = GDALOpen(filepath, GA_ReadOnly );
// if opening failed
if( hDataset == NULL )
{
fprintf(stderr, "Unable to open file.");
exit(EXIT_FAILURE);
}
/* Declare some variables to be used later */
int *xBlockSize = malloc(sizeof(int));
int *yBlockSize = malloc(sizeof(int));
int xOutputSize;
int yOutputSize;
int numXBlocks;
int numYBlocks;
int origWidth;
int origHeight;
int origBandCount;
/*Get some information on the image*/
origWidth = GDALGetRasterXSize( hDataset ); // Get raster pixel width
origHeight = GDALGetRasterYSize( hDataset ); // Get raster pixel height
origBandCount = GDALGetRasterCount( hDataset ); // Get number of raster bands in the image
GDALRasterBandH hBand = GDALGetRasterBand( hDataset, 1 ); // Get raster band with id 1
GDALGetBlockSize( hBand, xBlockSize, yBlockSize); // Fetch the block size for this band
/*TODO make sure scale is set somewhere*/
/*Store some information on what the output should have*/
xOutputSize = ((*xBlockSize) / scale); // get the new x block size
yOutputSize = ((*yBlockSize) / scale); // get the new y block size
numXBlocks = origWidth/(*xBlockSize); // Get x block count
numYBlocks = origHeight/(*yBlockSize); // Get y block count
int bandCount;
if (origBandCount >= 3) // Just a guess, limit bands to RGB?
{
bandCount = 3;
}
else // Otherwise image is probably grayscale, one band?
{
bandCount = 1;
}
/*TODO edit this or remove it since we aren't using focusing on openGL*/
/*
*int format;
*if (bandCount == 3)
*{
* format = GL_RGBA;
*}
*else
*{
* format = GL_LUMINANCE_ALPHA;
*}
*/
int usedBlocks;
int usedXBlocks;
int usedYBlocks;
/*
*This is odd, xHigh and yHigh are
*passed as parameters but changed here
*TODO see if we can remove parameters or just use this
*/
if ((xHigh < 0) || (xHigh < xLow))
{
xHigh = numXBlocks;
}
if ((yHigh < 0)|| (yHigh < yLow))
{
yHigh = numYBlocks;
}
usedXBlocks = (xHigh - xLow); // This is probably the part of the image that should be displayed on screen
usedYBlocks = (yHigh - yLow); // Y part on screen?
usedBlocks = (usedXBlocks * usedYBlocks); // Total blocks on screen?
SVImage svip =
{
.Width = xOutputSize*usedXBlocks,
.Height = yOutputSize*usedYBlocks,
.BytesPerPixel = 1,
.Data = (CPLMalloc((sizeof(char) * xOutputSize * yOutputSize * usedBlocks * (bandCount+1))))
// Data = xOutputSize * yOutputSize = pixels/block * usedBlocks = totalpixels
};
free(xBlockSize);
free(yBlockSize);
return svip;
}
/*
Uses stochastic sampling to fill the data section of an SVImage struct.
*/
void sample(params *in) //TODO handle 32 bit representations
{
/*Set variables from the params struct*/
SVImage* out = in->target;
int xLow = in->xLow;
int xHigh = in->xHigh;
int yLow = in->yLow;
int yHigh = in->yHigh;
const char *file = in->file;
GDALDatasetH hDataset;
GDALRasterBandH hBand;
/*Register drivers*/
GDALAllRegister();
//TODO Dynamically calculate sample count?
int avgSampleCount = 25;
//Open GDAL File
//------------------------------------------------
hDataset = GDALOpen(file, GA_ReadOnly );
if( hDataset == NULL )
{
fprintf(stderr, "Unable to open file.\n");
exit(EXIT_FAILURE);
}
//GDAL FILE INFO
//---------------------------------------------
GDALDriverH hDriver;
hDriver = GDALGetDatasetDriver( hDataset ); // Get driver for this file
double adfGeoTransform[6];
//Print GDAL Driver
printf( "Driver: %s/%s\n",
GDALGetDriverShortName( hDriver ),
GDALGetDriverLongName( hDriver ) );
//Get original raster size
int origWidth = GDALGetRasterXSize( hDataset );
int origHeight = GDALGetRasterYSize( hDataset );
printf("width = %i\n", origWidth);
printf("height = %i\n", origHeight);
//Get Raster band count
int origBandCount = GDALGetRasterCount( hDataset );
printf("origBandCount = %i\n", origBandCount);
int bandCount;
if (origBandCount >= 3)
{
bandCount = 3;
}
else
{
bandCount = 1;
}
//Target output Width and Height
float stride = (scale * scale);
stride /= (avgSampleCount);
//the greatest number of pixels that can be skipped in a single iteration
int maxStride = ((int)stride) + 1;
//Load band 1
hBand = GDALGetRasterBand( hDataset, 1 );
if( GDALGetGeoTransform( hDataset, adfGeoTransform ) == CE_None )
{
printf( "Pixel Size = (%.6f,%.6f)\n",
adfGeoTransform[1], adfGeoTransform[5] );
}
else
{
fprintf(stderr, "Failed to get pixel size\n");
}
int* xBlockSize = malloc(sizeof(int));
int* yBlockSize = malloc(sizeof(int));
//get block size
GDALGetBlockSize( hBand, xBlockSize, yBlockSize);
printf("xBlockSize = %i\n", *xBlockSize);
printf("yBlockSize = %i\n", *yBlockSize);
int xOutputSize = ((*xBlockSize) / scale);
int yOutputSize = ((*yBlockSize) / scale);
printf("X Output Size%i\n", xOutputSize);
int numXBlocks = origWidth/(*xBlockSize);
int numYBlocks = origHeight/(*yBlockSize);
printf("numXBlocks = %i\n", numXBlocks);
printf("numYBlocks = %i\n", numYBlocks);
if ((xHigh < 0) || (xHigh < xLow))
{
xHigh = numXBlocks;
}
if ((yHigh < 0)|| (yHigh < yLow))
{
yHigh = numYBlocks;
}
int usedXBlocks = (xHigh - xLow);
int usedYBlocks = (yHigh - yLow);
int usedBlocks = (usedXBlocks * usedYBlocks);
unsigned char* output = CPLMalloc((sizeof(char) * xOutputSize* yOutputSize *usedBlocks * (bandCount+1))); // Allocate space for the output
float* vals = calloc( xOutputSize* yOutputSize *usedBlocks * (bandCount+1), sizeof(float)); //stores pixel values
unsigned long* valsPerIndex = calloc( xOutputSize* yOutputSize * usedBlocks * (bandCount+1), sizeof(unsigned long)); //stores number of pixel values per output index
unsigned long rseed = 0;
unsigned long rowIndex = 0; //the index of the row to which we will output our value
unsigned long colIndex = 0; //the index of the column to which we will output our value
unsigned long outIndex = 0;
unsigned long sampledIndex = 0; //One dimensional representation of column/row index
//iterate through each pixel, jump to the last pixel we sampled.
long long i = 0;
int outputXOffset = 0;
int outputYOffset = 0;
int outputIndexOffset = 0;
if (GDALGetRasterDataType(hBand) == GDT_Int16)
{
short* data = (short *) CPLMalloc(sizeof(unsigned short) * (*xBlockSize)*(*yBlockSize)); //TODO: GDAL Raster can be 16 bit pixel representation
int band;
for (band = 1; band <= bandCount; band++){
hBand = GDALGetRasterBand( hDataset, band );
int yBlock, xBlock;
for(yBlock = yLow; yBlock < yHigh; yBlock++){
for(xBlock = xLow; xBlock < xHigh; xBlock++){
if(GDALReadBlock(hBand,xBlock,yBlock, data) != CE_None)
{
fprintf(stderr, "Read block failed\n");
exit(EXIT_FAILURE);
}
for(i = 0 ; i < ((*xBlockSize)*(*yBlockSize)-1) ; i += rseed){
rseed = (214013 * rseed + 2531011); // Magic numbers.
rseed %= maxStride;
sampledIndex = i;
i = (maxStride ==1) ? (i+1) : i;
rowIndex = (sampledIndex/(xOutputSize*scale* scale)) + ((yBlock - yLow)* yOutputSize);
colIndex = ((sampledIndex % (xOutputSize * scale))/scale) + ((xBlock - xLow) * xOutputSize);
outIndex = ((rowIndex * (xOutputSize * usedXBlocks ) + colIndex) * (bandCount+1) ) + (band -1);
vals[outIndex] += (*(data + sampledIndex));
vals[outIndex] += 118.450588 + ((*(data + sampledIndex))/128);
if (vals[outIndex]/valsPerIndex[outIndex] < 0) {
vals[outIndex] =0;
}else if (vals[outIndex]/valsPerIndex[outIndex] > 255){
vals[outIndex] = 255;
}
}
}
}
}
}
else
{
unsigned char* data = (unsigned char *) CPLMalloc(sizeof(char) * (*xBlockSize)*(*yBlockSize));
int band;
for (band = 1; band <= bandCount; band++)
{
hBand = GDALGetRasterBand( hDataset, band );
int yBlock, xBlock;
outputYOffset = 0;
for(yBlock = yLow; yBlock < yHigh; yBlock++){
outputYOffset = ((yBlock - yLow) * yOutputSize * xOutputSize * usedXBlocks * (bandCount + 1));
outputXOffset = 0;
for(xBlock = xLow; xBlock < xHigh; xBlock++){
outputXOffset = ((xBlock - xLow) * xOutputSize * (bandCount + 1));
if(GDALReadBlock(hBand,xBlock,yBlock, data) != CE_None)
{
fprintf(stderr, "Read block failed\n");
exit(EXIT_FAILURE);
}
for(i = 0 ; i < ((*xBlockSize)*(*yBlockSize)) ; i += rseed){
rseed = (214013 * rseed + 2531011);
rseed %= maxStride;
sampledIndex = i;
i = (maxStride ==1) ? (i+1) : i;
rowIndex = (sampledIndex/(xOutputSize*scale* scale)) + ((yBlock - yLow)* yOutputSize);
colIndex = ((sampledIndex % (xOutputSize * scale))/scale) + ((xBlock - xLow) * xOutputSize);
outIndex = ((rowIndex * (xOutputSize * usedXBlocks ) + colIndex) * (bandCount+1) ) + (band -1);
vals[outIndex] += (*(data + sampledIndex));
valsPerIndex[outIndex] +=1;
}
outputIndexOffset = (outputYOffset + outputXOffset);
int j;
for (j = 0; j<yOutputSize; j++){
i = outputIndexOffset;
int k = (i + (xOutputSize * (bandCount+1)));
for (i = 0; i<k;i++){
int x = (i+(j*(xOutputSize * (bandCount + 1) * (usedXBlocks))));
if(((x+1)%4==0&&bandCount==3)||((x+1)%2==0&&bandCount==1)){
output[x] = (unsigned char) 1; //Sets the alpha to opaque
}else{
output[x] = (unsigned char) (vals[x]/valsPerIndex[x]); //calculate final output by averaging each color value
}
}
}
out->Data = output;
}
}
}
}
printf("sampling complete\n");
GDALClose(hDataset);
}
int main( int argc, char ** argv )
{
GDALDatasetH hSrcDS;
int iY, iX, nOutLevel=0, nXSize, nYSize, iArg, nFillDist=0;
void *pStream;
GInt16 *panData;
const char *pszFilename = NULL;
GDALRasterBandH hSrcBand;
double adfGeoTransform[6];
int bEnableTrim = FALSE;
GInt16 noDataValue = 0;
int bHasNoData;
/* -------------------------------------------------------------------- */
/* Identify arguments. */
/* -------------------------------------------------------------------- */
for( iArg = 1; iArg < argc; iArg++ )
{
if( EQUAL(argv[iArg],"-trim") )
bEnableTrim = TRUE;
else if( EQUAL(argv[iArg],"-fill") )
nFillDist = atoi(argv[++iArg]);
else if( EQUAL(argv[iArg],"-level") )
nOutLevel = atoi(argv[++iArg]);
else
{
if( pszFilename != NULL )
Usage();
pszFilename = argv[iArg];
}
}
if( pszFilename == NULL )
Usage();
/* -------------------------------------------------------------------- */
/* Open input file. */
/* -------------------------------------------------------------------- */
GDALAllRegister();
hSrcDS = GDALOpen( pszFilename, GA_ReadOnly );
if( hSrcDS == NULL )
exit(1);
hSrcBand = GDALGetRasterBand( hSrcDS, 1 );
noDataValue = (GInt16)GDALGetRasterNoDataValue(hSrcBand, &bHasNoData);
nXSize = GDALGetRasterXSize( hSrcDS );
nYSize = GDALGetRasterYSize( hSrcDS );
GDALGetGeoTransform( hSrcDS, adfGeoTransform );
/* -------------------------------------------------------------------- */
/* Create output stream. */
/* -------------------------------------------------------------------- */
pStream = DTEDCreatePtStream( ".", nOutLevel );
if( pStream == NULL )
exit( 1 );
/* -------------------------------------------------------------------- */
/* Process all the profiles. */
/* -------------------------------------------------------------------- */
panData = (GInt16 *) malloc(sizeof(GInt16) * nXSize);
for( iY = 0; iY < nYSize; iY++ )
{
GDALRasterIO( hSrcBand, GF_Read, 0, iY, nXSize, 1,
panData, nXSize, 1, GDT_Int16, 0, 0 );
if (bHasNoData)
{
for( iX = 0; iX < nXSize; iX++ )
{
if (panData[iX] == noDataValue)
panData[iX] = DTED_NODATA_VALUE;
}
}
for( iX = 0; iX < nXSize; iX++ )
{
DTEDWritePt( pStream,
adfGeoTransform[0]
+ adfGeoTransform[1] * (iX + 0.5)
+ adfGeoTransform[2] * (iY + 0.5),
adfGeoTransform[3]
+ adfGeoTransform[4] * (iX + 0.5)
+ adfGeoTransform[5] * (iY + 0.5),
panData[iX] );
}
}
free( panData );
/* -------------------------------------------------------------------- */
/* Cleanup. */
/* -------------------------------------------------------------------- */
if( bEnableTrim )
DTEDPtStreamTrimEdgeOnlyTiles( pStream );
if( nFillDist > 0 )
DTEDFillPtStream( pStream, nFillDist );
DTEDClosePtStream( pStream );
GDALClose( hSrcDS );
exit( 0 );
}
void *GDALCreateGeoLocTransformer( GDALDatasetH hBaseDS,
char **papszGeolocationInfo,
int bReversed )
{
GDALGeoLocTransformInfo *psTransform;
if( CSLFetchNameValue(papszGeolocationInfo,"PIXEL_OFFSET") == NULL
|| CSLFetchNameValue(papszGeolocationInfo,"LINE_OFFSET") == NULL
|| CSLFetchNameValue(papszGeolocationInfo,"PIXEL_STEP") == NULL
|| CSLFetchNameValue(papszGeolocationInfo,"LINE_STEP") == NULL
|| CSLFetchNameValue(papszGeolocationInfo,"X_BAND") == NULL
|| CSLFetchNameValue(papszGeolocationInfo,"Y_BAND") == NULL )
{
CPLError( CE_Failure, CPLE_AppDefined,
"Missing some geolocation fields in GDALCreateGeoLocTransformer()" );
return NULL;
}
/* -------------------------------------------------------------------- */
/* Initialize core info. */
/* -------------------------------------------------------------------- */
psTransform = (GDALGeoLocTransformInfo *)
CPLCalloc(sizeof(GDALGeoLocTransformInfo),1);
psTransform->bReversed = bReversed;
memcpy( psTransform->sTI.abySignature, GDAL_GTI2_SIGNATURE, strlen(GDAL_GTI2_SIGNATURE) );
psTransform->sTI.pszClassName = "GDALGeoLocTransformer";
psTransform->sTI.pfnTransform = GDALGeoLocTransform;
psTransform->sTI.pfnCleanup = GDALDestroyGeoLocTransformer;
psTransform->sTI.pfnSerialize = GDALSerializeGeoLocTransformer;
psTransform->sTI.pfnCreateSimilar = GDALCreateSimilarGeoLocTransformer;
psTransform->papszGeolocationInfo = CSLDuplicate( papszGeolocationInfo );
/* -------------------------------------------------------------------- */
/* Pull geolocation info from the options/metadata. */
/* -------------------------------------------------------------------- */
psTransform->dfPIXEL_OFFSET = CPLAtof(CSLFetchNameValue( papszGeolocationInfo,
"PIXEL_OFFSET" ));
psTransform->dfLINE_OFFSET = CPLAtof(CSLFetchNameValue( papszGeolocationInfo,
"LINE_OFFSET" ));
psTransform->dfPIXEL_STEP = CPLAtof(CSLFetchNameValue( papszGeolocationInfo,
"PIXEL_STEP" ));
psTransform->dfLINE_STEP = CPLAtof(CSLFetchNameValue( papszGeolocationInfo,
"LINE_STEP" ));
/* -------------------------------------------------------------------- */
/* Establish access to geolocation dataset(s). */
/* -------------------------------------------------------------------- */
const char *pszDSName = CSLFetchNameValue( papszGeolocationInfo,
"X_DATASET" );
if( pszDSName != NULL )
{
psTransform->hDS_X = GDALOpenShared( pszDSName, GA_ReadOnly );
}
else
{
psTransform->hDS_X = hBaseDS;
GDALReferenceDataset( psTransform->hDS_X );
psTransform->papszGeolocationInfo =
CSLSetNameValue( psTransform->papszGeolocationInfo,
"X_DATASET",
GDALGetDescription( hBaseDS ) );
}
pszDSName = CSLFetchNameValue( papszGeolocationInfo, "Y_DATASET" );
if( pszDSName != NULL )
{
psTransform->hDS_Y = GDALOpenShared( pszDSName, GA_ReadOnly );
}
else
{
psTransform->hDS_Y = hBaseDS;
GDALReferenceDataset( psTransform->hDS_Y );
psTransform->papszGeolocationInfo =
CSLSetNameValue( psTransform->papszGeolocationInfo,
"Y_DATASET",
GDALGetDescription( hBaseDS ) );
}
if (psTransform->hDS_X == NULL ||
psTransform->hDS_Y == NULL)
{
GDALDestroyGeoLocTransformer( psTransform );
return NULL;
}
/* -------------------------------------------------------------------- */
/* Get the band handles. */
/* -------------------------------------------------------------------- */
int nBand;
nBand = MAX(1,atoi(CSLFetchNameValue( papszGeolocationInfo, "X_BAND" )));
psTransform->hBand_X = GDALGetRasterBand( psTransform->hDS_X, nBand );
nBand = MAX(1,atoi(CSLFetchNameValue( papszGeolocationInfo, "Y_BAND" )));
psTransform->hBand_Y = GDALGetRasterBand( psTransform->hDS_Y, nBand );
if (psTransform->hBand_X == NULL ||
psTransform->hBand_Y == NULL)
{
GDALDestroyGeoLocTransformer( psTransform );
return NULL;
}
/* -------------------------------------------------------------------- */
/* Check that X and Y bands have the same dimensions */
/* -------------------------------------------------------------------- */
int nXSize_XBand = GDALGetRasterXSize( psTransform->hDS_X );
int nYSize_XBand = GDALGetRasterYSize( psTransform->hDS_X );
int nXSize_YBand = GDALGetRasterXSize( psTransform->hDS_Y );
int nYSize_YBand = GDALGetRasterYSize( psTransform->hDS_Y );
if (nYSize_XBand == 1 || nYSize_YBand == 1)
{
if (nYSize_XBand != 1 || nYSize_YBand != 1)
{
CPLError(CE_Failure, CPLE_AppDefined,
"X_BAND and Y_BAND should have both nYSize == 1");
GDALDestroyGeoLocTransformer( psTransform );
return NULL;
}
}
else if (nXSize_XBand != nXSize_YBand ||
nYSize_XBand != nYSize_YBand )
{
CPLError(CE_Failure, CPLE_AppDefined,
"X_BAND and Y_BAND do not have the same dimensions");
GDALDestroyGeoLocTransformer( psTransform );
return NULL;
}
if (nXSize_XBand > INT_MAX / nYSize_XBand)
{
CPLError(CE_Failure, CPLE_AppDefined, "Int overflow : %d x %d",
nXSize_XBand, nYSize_XBand);
GDALDestroyGeoLocTransformer( psTransform );
return NULL;
}
/* -------------------------------------------------------------------- */
/* Load the geolocation array. */
/* -------------------------------------------------------------------- */
if( !GeoLocLoadFullData( psTransform )
|| !GeoLocGenerateBackMap( psTransform ) )
{
GDALDestroyGeoLocTransformer( psTransform );
return NULL;
}
return psTransform;
}
static int GeoLocLoadFullData( GDALGeoLocTransformInfo *psTransform )
{
int nXSize, nYSize;
int nXSize_XBand = GDALGetRasterXSize( psTransform->hDS_X );
int nYSize_XBand = GDALGetRasterYSize( psTransform->hDS_X );
int nXSize_YBand = GDALGetRasterXSize( psTransform->hDS_Y );
int nYSize_YBand = GDALGetRasterYSize( psTransform->hDS_Y );
if (nYSize_XBand == 1 && nYSize_YBand == 1)
{
nXSize = nXSize_XBand;
nYSize = nXSize_YBand;
}
else
{
nXSize = nXSize_XBand;
nYSize = nYSize_XBand;
}
psTransform->nGeoLocXSize = nXSize;
psTransform->nGeoLocYSize = nYSize;
psTransform->padfGeoLocY = (double *)
VSIMalloc3(sizeof(double), nXSize, nYSize);
psTransform->padfGeoLocX = (double *)
VSIMalloc3(sizeof(double), nXSize, nYSize);
if( psTransform->padfGeoLocX == NULL ||
psTransform->padfGeoLocY == NULL )
{
CPLError(CE_Failure, CPLE_OutOfMemory,
"GeoLocLoadFullData : Out of memory");
return FALSE;
}
if (nYSize_XBand == 1 && nYSize_YBand == 1)
{
/* Case of regular grid */
/* The XBAND contains the x coordinates for all lines */
/* The YBAND contains the y coordinates for all columns */
double* padfTempX = (double*)VSIMalloc2(nXSize, sizeof(double));
double* padfTempY = (double*)VSIMalloc2(nYSize, sizeof(double));
if (padfTempX == NULL || padfTempY == NULL)
{
CPLFree(padfTempX);
CPLFree(padfTempY);
CPLError(CE_Failure, CPLE_OutOfMemory,
"GeoLocLoadFullData : Out of memory");
return FALSE;
}
CPLErr eErr = CE_None;
eErr = GDALRasterIO( psTransform->hBand_X, GF_Read,
0, 0, nXSize, 1,
padfTempX, nXSize, 1,
GDT_Float64, 0, 0 );
int i,j;
for(j=0;j<nYSize;j++)
{
memcpy( psTransform->padfGeoLocX + j * nXSize,
padfTempX,
nXSize * sizeof(double) );
}
if (eErr == CE_None)
{
eErr = GDALRasterIO( psTransform->hBand_Y, GF_Read,
0, 0, nYSize, 1,
padfTempY, nYSize, 1,
GDT_Float64, 0, 0 );
for(j=0;j<nYSize;j++)
{
for(i=0;i<nXSize;i++)
{
psTransform->padfGeoLocY[j * nXSize + i] = padfTempY[j];
}
}
}
CPLFree(padfTempX);
CPLFree(padfTempY);
if (eErr != CE_None)
return FALSE;
}
else
{
if( GDALRasterIO( psTransform->hBand_X, GF_Read,
0, 0, nXSize, nYSize,
psTransform->padfGeoLocX, nXSize, nYSize,
GDT_Float64, 0, 0 ) != CE_None
|| GDALRasterIO( psTransform->hBand_Y, GF_Read,
0, 0, nXSize, nYSize,
psTransform->padfGeoLocY, nXSize, nYSize,
GDT_Float64, 0, 0 ) != CE_None )
return FALSE;
}
psTransform->dfNoDataX = GDALGetRasterNoDataValue( psTransform->hBand_X,
&(psTransform->bHasNoData) );
return TRUE;
}
int main(int argc, char *argv[])
{
GDALDatasetH hDataset = NULL;
OGRDataSourceH hDS = NULL;
OGRSFDriverH *pahDriver = NULL;
OGRLayerH hLR = NULL;
OGREnvelope hEnv;
double adfGeoTransform[6];
int columns, lines;
double minx, miny, maxx, maxy, x, y, z;
register int i;
FILE *fin=NULL;
if(argc != 2)
{
printf("Usage: geo_extents <input file>\n");
return 1;
}
GDALAllRegister();
OGRRegisterAll();
char *egsa = "PROJCS[\"GGRS87 / Greek Grid\",GEOGCS[\"GGRS87\",DATUM[\"Greek_Geodetic_Reference_System_1987\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],TOWGS84[-199.87,74.79,246.62,0,0,0,0],AUTHORITY[\"EPSG\",\"6121\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.01745329251994328,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"4121\"]],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",24],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],AUTHORITY[\"EPSG\",\"2100\"],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]";
char *wgs = "GEOGCS[\"WGS 84\",DATUM[\"WGS_1984\",SPHEROID[\"WGS 84\",6378137,298.257223563,AUTHORITY[\"EPSG\",\"7030\"]],AUTHORITY[\"EPSG\",\"6326\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.01745329251994328,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"4326\"]]";
OGRSpatialReferenceH oSourceSRS;
OGRSpatialReferenceH oTargetSRS;
oSourceSRS = OSRNewSpatialReference(NULL);
oTargetSRS = OSRNewSpatialReference(NULL);
OSRImportFromWkt(oSourceSRS, &egsa);
OSRImportFromWkt(oTargetSRS, &wgs);
OGRCoordinateTransformationH poCT;
poCT = OCTNewCoordinateTransformation(oSourceSRS, oTargetSRS);
hDataset = GDALOpen(argv[1], GA_ReadOnly);
if(hDataset != NULL)//It is raster
{
columns = GDALGetRasterXSize(hDataset);
lines = GDALGetRasterYSize(hDataset);
if(GDALGetGeoTransform(hDataset, adfGeoTransform) == CE_None)
{
minx = (adfGeoTransform[0] - (adfGeoTransform[1] / 2));
maxy = (adfGeoTransform[3] - (adfGeoTransform[5] / 2));
miny = (maxy + ((lines + 1) * adfGeoTransform[5]));
maxx = (minx + (adfGeoTransform[1] * (columns + 1)));
OCTTransform(poCT, 1, &minx, &miny, 0);
OCTTransform(poCT, 1, &maxx, &maxy, 0);
printf("BoundingBox: %f %f %f %f\n",minx ,miny, maxx, maxy);
GDALClose (hDataset);
}
else
{
printf("Failure: No Georeference info found for this raster file\n");
return 0;
}
}
else//Try if it is vector
{
hDS = OGROpen( argv[1], FALSE , pahDriver );
if( hDS == NULL )//Not vector
{
//Parse for DTM file
fin=fopen(argv[1],"r");
fseek(fin,0L,SEEK_SET);
minx=50000000.0;
miny=50000000.0;
maxx=0.0;
maxy=0.0;
while(!feof(fin))
{
fscanf(fin,"%lf,%lf,%lf\n",&x,&y,&z);
if(ferror(fin))//input error
{
printf("Failure: Unsupported file type\n");
return 0;
}
if(x>maxx) maxx=x;
if(y>maxy) maxy=y;
if(x<minx) minx=x;
if(y<miny) miny=y;
}
if(minx==50000000.0 || miny==50000000.0)
{
printf("Failure: Unsupported file type\n");
return 0;
}
if(maxx==0 || maxy==0)
{
printf("Failure: Unsupported file type\n");
return 0;
}
if(minx==maxx)
{
minx-=1;
maxx+=1;
}
if(miny==maxy)
{
miny-=1;
maxy+=1;
}
//DTM file
OCTTransform(poCT, 1, &minx, &miny, 0);
OCTTransform(poCT, 1, &maxx, &maxy, 0);
printf("BoundingBox: %f %f %f %f\n",minx ,miny, maxx, maxy);
return 0;
}
//It is vector
for(i=0; i< OGR_DS_GetLayerCount (hDS); i++)
{
hLR = OGR_DS_GetLayer(hDS, i);
if(OGR_L_GetExtent (hLR, &hEnv, FALSE) == OGRERR_NONE)
{
minx = hEnv.MinX;
miny = hEnv.MinY;
maxx = hEnv.MaxX;
maxy = hEnv.MaxY;
OCTTransform(poCT, 1, &minx, &miny, 0);
OCTTransform(poCT, 1, &maxx, &maxy, 0);
printf("BoundingBox: %f %f %f %f\n",minx ,miny, maxx, maxy);
}
}
OGRReleaseDataSource( hDS );
}
return 0;
}
GDALDataset *
RasterliteCreateCopy( const char * pszFilename, GDALDataset *poSrcDS,
CPL_UNUSED int bStrict, CPL_UNUSED char ** papszOptions,
GDALProgressFunc pfnProgress, void * pProgressData )
{
int nBands = poSrcDS->GetRasterCount();
if (nBands == 0)
{
CPLError(CE_Failure, CPLE_NotSupported, "nBands == 0");
return NULL;
}
const char* pszDriverName = CSLFetchNameValueDef(papszOptions, "DRIVER", "GTiff");
if (EQUAL(pszDriverName, "MEM") || EQUAL(pszDriverName, "VRT"))
{
CPLError(CE_Failure, CPLE_AppDefined, "GDAL %s driver cannot be used as underlying driver",
pszDriverName);
return NULL;
}
GDALDriverH hTileDriver = GDALGetDriverByName(pszDriverName);
if ( hTileDriver == NULL)
{
CPLError(CE_Failure, CPLE_AppDefined, "Cannot load GDAL %s driver", pszDriverName);
return NULL;
}
GDALDriverH hMemDriver = GDALGetDriverByName("MEM");
if (hMemDriver == NULL)
{
CPLError(CE_Failure, CPLE_AppDefined, "Cannot load GDAL MEM driver");
return NULL;
}
int nXSize = GDALGetRasterXSize(poSrcDS);
int nYSize = GDALGetRasterYSize(poSrcDS);
double adfGeoTransform[6];
if (poSrcDS->GetGeoTransform(adfGeoTransform) != CE_None)
{
adfGeoTransform[0] = 0;
adfGeoTransform[1] = 1;
adfGeoTransform[2] = 0;
adfGeoTransform[3] = 0;
adfGeoTransform[4] = 0;
adfGeoTransform[5] = -1;
}
else if (adfGeoTransform[2] != 0.0 || adfGeoTransform[4] != 0.0)
{
CPLError(CE_Failure, CPLE_AppDefined, "Cannot use geotransform with rotational terms");
return NULL;
}
int bTiled = CSLTestBoolean(CSLFetchNameValueDef(papszOptions, "TILED", "YES"));
int nBlockXSize, nBlockYSize;
if (bTiled)
{
nBlockXSize = atoi(CSLFetchNameValueDef(papszOptions, "BLOCKXSIZE", "256"));
nBlockYSize = atoi(CSLFetchNameValueDef(papszOptions, "BLOCKYSIZE", "256"));
if (nBlockXSize < 64) nBlockXSize = 64;
else if (nBlockXSize > 4096) nBlockXSize = 4096;
if (nBlockYSize < 64) nBlockYSize = 64;
else if (nBlockYSize > 4096) nBlockYSize = 4096;
}
else
{
nBlockXSize = nXSize;
nBlockYSize = nYSize;
}
/* -------------------------------------------------------------------- */
/* Analyze arguments */
/* -------------------------------------------------------------------- */
CPLString osDBName;
CPLString osTableName;
VSIStatBuf sBuf;
int bExists;
/* Skip optionnal RASTERLITE: prefix */
const char* pszFilenameWithoutPrefix = pszFilename;
if (EQUALN(pszFilename, "RASTERLITE:", 11))
pszFilenameWithoutPrefix += 11;
char** papszTokens = CSLTokenizeStringComplex(
pszFilenameWithoutPrefix, ", ", FALSE, FALSE );
int nTokens = CSLCount(papszTokens);
if (nTokens == 0)
{
osDBName = pszFilenameWithoutPrefix;
osTableName = CPLGetBasename(pszFilenameWithoutPrefix);
}
else
{
osDBName = papszTokens[0];
int i;
for(i=1;i<nTokens;i++)
{
if (EQUALN(papszTokens[i], "table=", 6))
osTableName = papszTokens[i] + 6;
else
{
CPLError(CE_Warning, CPLE_AppDefined,
"Invalid option : %s", papszTokens[i]);
}
}
}
CSLDestroy(papszTokens);
papszTokens = NULL;
bExists = (VSIStat(osDBName.c_str(), &sBuf) == 0);
if (osTableName.size() == 0)
{
if (bExists)
{
CPLError(CE_Failure, CPLE_AppDefined,
"Database already exists. Explicit table name must be specified");
return NULL;
}
osTableName = CPLGetBasename(osDBName.c_str());
}
CPLString osRasterLayer;
osRasterLayer.Printf("%s_rasters", osTableName.c_str());
CPLString osMetatadataLayer;
osMetatadataLayer.Printf("%s_metadata", osTableName.c_str());
/* -------------------------------------------------------------------- */
/* Create or open the SQLite DB */
/* -------------------------------------------------------------------- */
if (OGRGetDriverCount() == 0)
OGRRegisterAll();
OGRSFDriverH hSQLiteDriver = OGRGetDriverByName("SQLite");
if (hSQLiteDriver == NULL)
{
CPLError(CE_Failure, CPLE_AppDefined, "Cannot load OGR SQLite driver");
return NULL;
}
OGRDataSourceH hDS;
if (!bExists)
{
char** papszOGROptions = CSLAddString(NULL, "SPATIALITE=YES");
hDS = OGR_Dr_CreateDataSource(hSQLiteDriver,
osDBName.c_str(), papszOGROptions);
CSLDestroy(papszOGROptions);
}
else
{
hDS = OGROpen(osDBName.c_str(), TRUE, NULL);
}
if (hDS == NULL)
{
CPLError(CE_Failure, CPLE_AppDefined,
"Cannot load or create SQLite database");
return NULL;
}
CPLString osSQL;
/* -------------------------------------------------------------------- */
/* Get the SRID for the SRS */
/* -------------------------------------------------------------------- */
int nSRSId = RasterliteInsertSRID(hDS, poSrcDS->GetProjectionRef());
/* -------------------------------------------------------------------- */
/* Create or wipe existing tables */
/* -------------------------------------------------------------------- */
int bWipeExistingData =
CSLTestBoolean(CSLFetchNameValueDef(papszOptions, "WIPE", "NO"));
hDS = RasterliteCreateTables(hDS, osTableName.c_str(),
nSRSId, bWipeExistingData);
if (hDS == NULL)
return NULL;
OGRLayerH hRasterLayer = OGR_DS_GetLayerByName(hDS, osRasterLayer.c_str());
OGRLayerH hMetadataLayer = OGR_DS_GetLayerByName(hDS, osMetatadataLayer.c_str());
if (hRasterLayer == NULL || hMetadataLayer == NULL)
{
CPLError(CE_Failure, CPLE_AppDefined,
"Cannot find metadata and/or raster tables");
OGRReleaseDataSource(hDS);
return NULL;
}
/* -------------------------------------------------------------------- */
/* Check if there is overlapping data and warn the user */
/* -------------------------------------------------------------------- */
double minx = adfGeoTransform[0];
double maxx = adfGeoTransform[0] + nXSize * adfGeoTransform[1];
double maxy = adfGeoTransform[3];
double miny = adfGeoTransform[3] + nYSize * adfGeoTransform[5];
osSQL.Printf("SELECT COUNT(geometry) FROM \"%s\" "
"WHERE rowid IN "
"(SELECT pkid FROM \"idx_%s_metadata_geometry\" "
"WHERE xmin < %.15f AND xmax > %.15f "
"AND ymin < %.15f AND ymax > %.15f) "
"AND pixel_x_size >= %.15f AND pixel_x_size <= %.15f AND "
"pixel_y_size >= %.15f AND pixel_y_size <= %.15f",
osMetatadataLayer.c_str(),
osTableName.c_str(),
maxx, minx, maxy, miny,
adfGeoTransform[1] - 1e-15, adfGeoTransform[1] + 1e-15,
- adfGeoTransform[5] - 1e-15, - adfGeoTransform[5] + 1e-15);
int nOverlappingGeoms = 0;
OGRLayerH hCountLyr = OGR_DS_ExecuteSQL(hDS, osSQL.c_str(), NULL, NULL);
if (hCountLyr)
{
OGRFeatureH hFeat = OGR_L_GetNextFeature(hCountLyr);
if (hFeat)
{
nOverlappingGeoms = OGR_F_GetFieldAsInteger(hFeat, 0);
OGR_F_Destroy(hFeat);
}
OGR_DS_ReleaseResultSet(hDS, hCountLyr);
}
if (nOverlappingGeoms != 0)
{
CPLError(CE_Warning, CPLE_AppDefined,
"Raster tiles already exist in the %s table within "
"the extent of the data to be inserted in",
osTableName.c_str());
}
/* -------------------------------------------------------------------- */
/* Iterate over blocks to add data into raster and metadata tables */
/* -------------------------------------------------------------------- */
int nXBlocks = (nXSize + nBlockXSize - 1) / nBlockXSize;
int nYBlocks = (nYSize + nBlockYSize - 1) / nBlockYSize;
GDALDataType eDataType = poSrcDS->GetRasterBand(1)->GetRasterDataType();
int nDataTypeSize = GDALGetDataTypeSize(eDataType) / 8;
GByte* pabyMEMDSBuffer =
(GByte*)VSIMalloc3(nBlockXSize, nBlockYSize, nBands * nDataTypeSize);
if (pabyMEMDSBuffer == NULL)
{
OGRReleaseDataSource(hDS);
return NULL;
}
CPLString osTempFileName;
osTempFileName.Printf("/vsimem/%p", hDS);
int nTileId = 0;
int nBlocks = 0;
int nTotalBlocks = nXBlocks * nYBlocks;
char** papszTileDriverOptions = RasterliteGetTileDriverOptions(papszOptions);
OGR_DS_ExecuteSQL(hDS, "BEGIN", NULL, NULL);
CPLErr eErr = CE_None;
int nBlockXOff, nBlockYOff;
for(nBlockYOff=0;eErr == CE_None && nBlockYOff<nYBlocks;nBlockYOff++)
{
for(nBlockXOff=0;eErr == CE_None && nBlockXOff<nXBlocks;nBlockXOff++)
{
/* -------------------------------------------------------------------- */
/* Create in-memory tile */
/* -------------------------------------------------------------------- */
int nReqXSize = nBlockXSize, nReqYSize = nBlockYSize;
if ((nBlockXOff+1) * nBlockXSize > nXSize)
nReqXSize = nXSize - nBlockXOff * nBlockXSize;
if ((nBlockYOff+1) * nBlockYSize > nYSize)
nReqYSize = nYSize - nBlockYOff * nBlockYSize;
eErr = poSrcDS->RasterIO(GF_Read,
nBlockXOff * nBlockXSize,
nBlockYOff * nBlockYSize,
nReqXSize, nReqYSize,
pabyMEMDSBuffer, nReqXSize, nReqYSize,
eDataType, nBands, NULL,
0, 0, 0);
if (eErr != CE_None)
{
break;
}
GDALDatasetH hMemDS = GDALCreate(hMemDriver, "MEM:::",
nReqXSize, nReqYSize, 0,
eDataType, NULL);
if (hMemDS == NULL)
{
eErr = CE_Failure;
break;
}
int iBand;
for(iBand = 0; iBand < nBands; iBand ++)
{
char** papszMEMDSOptions = NULL;
char szTmp[64];
memset(szTmp, 0, sizeof(szTmp));
CPLPrintPointer(szTmp,
pabyMEMDSBuffer + iBand * nDataTypeSize *
nReqXSize * nReqYSize, sizeof(szTmp));
papszMEMDSOptions = CSLSetNameValue(papszMEMDSOptions, "DATAPOINTER", szTmp);
GDALAddBand(hMemDS, eDataType, papszMEMDSOptions);
CSLDestroy(papszMEMDSOptions);
}
GDALDatasetH hOutDS = GDALCreateCopy(hTileDriver,
osTempFileName.c_str(), hMemDS, FALSE,
papszTileDriverOptions, NULL, NULL);
GDALClose(hMemDS);
if (hOutDS)
GDALClose(hOutDS);
else
{
eErr = CE_Failure;
break;
}
/* -------------------------------------------------------------------- */
/* Insert new entry into raster table */
/* -------------------------------------------------------------------- */
vsi_l_offset nDataLength = 0;
GByte *pabyData = VSIGetMemFileBuffer( osTempFileName.c_str(),
&nDataLength, FALSE);
OGRFeatureH hFeat = OGR_F_Create( OGR_L_GetLayerDefn(hRasterLayer) );
OGR_F_SetFieldBinary(hFeat, 0, (int)nDataLength, pabyData);
OGR_L_CreateFeature(hRasterLayer, hFeat);
/* Query raster ID to set it as the ID of the associated metadata */
int nRasterID = (int)OGR_F_GetFID(hFeat);
OGR_F_Destroy(hFeat);
VSIUnlink(osTempFileName.c_str());
/* -------------------------------------------------------------------- */
/* Insert new entry into metadata table */
/* -------------------------------------------------------------------- */
hFeat = OGR_F_Create( OGR_L_GetLayerDefn(hMetadataLayer) );
OGR_F_SetFID(hFeat, nRasterID);
OGR_F_SetFieldString(hFeat, 0, GDALGetDescription(poSrcDS));
OGR_F_SetFieldInteger(hFeat, 1, nTileId ++);
OGR_F_SetFieldInteger(hFeat, 2, nReqXSize);
OGR_F_SetFieldInteger(hFeat, 3, nReqYSize);
OGR_F_SetFieldDouble(hFeat, 4, adfGeoTransform[1]);
OGR_F_SetFieldDouble(hFeat, 5, -adfGeoTransform[5]);
minx = adfGeoTransform[0] +
(nBlockXSize * nBlockXOff) * adfGeoTransform[1];
maxx = adfGeoTransform[0] +
(nBlockXSize * nBlockXOff + nReqXSize) * adfGeoTransform[1];
maxy = adfGeoTransform[3] +
(nBlockYSize * nBlockYOff) * adfGeoTransform[5];
miny = adfGeoTransform[3] +
(nBlockYSize * nBlockYOff + nReqYSize) * adfGeoTransform[5];
OGRGeometryH hRectangle = OGR_G_CreateGeometry(wkbPolygon);
OGRGeometryH hLinearRing = OGR_G_CreateGeometry(wkbLinearRing);
OGR_G_AddPoint_2D(hLinearRing, minx, miny);
OGR_G_AddPoint_2D(hLinearRing, minx, maxy);
OGR_G_AddPoint_2D(hLinearRing, maxx, maxy);
OGR_G_AddPoint_2D(hLinearRing, maxx, miny);
OGR_G_AddPoint_2D(hLinearRing, minx, miny);
OGR_G_AddGeometryDirectly(hRectangle, hLinearRing);
OGR_F_SetGeometryDirectly(hFeat, hRectangle);
OGR_L_CreateFeature(hMetadataLayer, hFeat);
OGR_F_Destroy(hFeat);
nBlocks++;
if (pfnProgress && !pfnProgress(1.0 * nBlocks / nTotalBlocks,
NULL, pProgressData))
eErr = CE_Failure;
}
}
if (eErr == CE_None)
OGR_DS_ExecuteSQL(hDS, "COMMIT", NULL, NULL);
else
OGR_DS_ExecuteSQL(hDS, "ROLLBACK", NULL, NULL);
CSLDestroy(papszTileDriverOptions);
VSIFree(pabyMEMDSBuffer);
OGRReleaseDataSource(hDS);
return (GDALDataset*) GDALOpen(pszFilename, GA_Update);
}
int CPL_STDCALL
GDALSimpleImageWarp( GDALDatasetH hSrcDS, GDALDatasetH hDstDS,
int nBandCount, int *panBandList,
GDALTransformerFunc pfnTransform, void *pTransformArg,
GDALProgressFunc pfnProgress, void *pProgressArg,
char **papszWarpOptions )
{
VALIDATE_POINTER1( hSrcDS, "GDALSimpleImageWarp", 0 );
VALIDATE_POINTER1( hDstDS, "GDALSimpleImageWarp", 0 );
bool bError = false;
/* -------------------------------------------------------------------- */
/* If no bands provided assume we should process all bands. */
/* -------------------------------------------------------------------- */
if( nBandCount == 0 )
{
nBandCount = GDALGetRasterCount( hSrcDS );
if (nBandCount == 0)
{
CPLError(CE_Failure, CPLE_AppDefined,
"No raster band in source dataset");
return FALSE;
}
panBandList = (int *) CPLCalloc(sizeof(int),nBandCount);
for( int iBand = 0; iBand < nBandCount; iBand++ )
panBandList[iBand] = iBand+1;
const int nResult =
GDALSimpleImageWarp( hSrcDS, hDstDS, nBandCount, panBandList,
pfnTransform, pTransformArg,
pfnProgress, pProgressArg,
papszWarpOptions );
CPLFree( panBandList );
return nResult;
}
/* -------------------------------------------------------------------- */
/* Post initial progress. */
/* -------------------------------------------------------------------- */
if( pfnProgress )
{
if( !pfnProgress( 0.0, "", pProgressArg ) )
return FALSE;
}
/* -------------------------------------------------------------------- */
/* Load the source image band(s). */
/* -------------------------------------------------------------------- */
const int nSrcXSize = GDALGetRasterXSize(hSrcDS);
const int nSrcYSize = GDALGetRasterYSize(hSrcDS);
GByte **papabySrcData = static_cast<GByte **>(
CPLCalloc(nBandCount, sizeof(GByte*)) );
bool ok = true;
for( int iBand = 0; iBand < nBandCount; iBand++ )
{
papabySrcData[iBand] = static_cast<GByte *>(
VSI_MALLOC2_VERBOSE(nSrcXSize, nSrcYSize) );
if( papabySrcData[iBand] == NULL )
{
CPLError( CE_Failure, CPLE_OutOfMemory,
"GDALSimpleImageWarp out of memory.\n" );
ok = false;
break;
}
if( GDALRasterIO( GDALGetRasterBand(hSrcDS,panBandList[iBand]), GF_Read,
0, 0, nSrcXSize, nSrcYSize,
papabySrcData[iBand], nSrcXSize, nSrcYSize, GDT_Byte,
0, 0 ) != CE_None )
{
CPLError( CE_Failure, CPLE_FileIO, "GDALSimpleImageWarp "
"GDALRasterIO failure %s ",
CPLGetLastErrorMsg() );
ok = false;
break;
}
}
if( !ok ) {
for( int i=0; i <= nBandCount; i++ )
{
VSIFree(papabySrcData[i]);
}
CPLFree(papabySrcData);
return FALSE;
}
/* -------------------------------------------------------------------- */
/* Check for remap request(s). */
/* -------------------------------------------------------------------- */
GDALSimpleWarpRemapping( nBandCount, papabySrcData, nSrcXSize, nSrcYSize,
papszWarpOptions );
/* -------------------------------------------------------------------- */
/* Allocate scanline buffers for output image. */
/* -------------------------------------------------------------------- */
const int nDstXSize = GDALGetRasterXSize( hDstDS );
const int nDstYSize = GDALGetRasterYSize( hDstDS );
GByte **papabyDstLine = static_cast<GByte **>(
CPLCalloc(nBandCount, sizeof(GByte*)) );
for( int iBand = 0; iBand < nBandCount; iBand++ )
papabyDstLine[iBand] = static_cast<GByte *>(CPLMalloc( nDstXSize ));
/* -------------------------------------------------------------------- */
/* Allocate x,y,z coordinate arrays for transformation ... one */
/* scanlines worth of positions. */
/* -------------------------------------------------------------------- */
double *padfX = static_cast<double *>(
CPLMalloc(sizeof(double) * nDstXSize) );
double *padfY = static_cast<double *>(
CPLMalloc(sizeof(double) * nDstXSize) );
double *padfZ = static_cast<double *>(
CPLMalloc(sizeof(double) * nDstXSize) );
int *pabSuccess = static_cast<int *>( CPLMalloc(sizeof(int) * nDstXSize) );
/* -------------------------------------------------------------------- */
/* Establish the value we will use to initialize the bands. We */
/* default to -1 indicating the initial value should be read */
/* and preserved from the source file, but allow this to be */
/* overridden by passed */
/* option(s). */
/* -------------------------------------------------------------------- */
int * const panBandInit =
static_cast<int *>( CPLCalloc(sizeof(int), nBandCount) );
if( CSLFetchNameValue( papszWarpOptions, "INIT" ) )
{
char **papszTokens =
CSLTokenizeStringComplex( CSLFetchNameValue( papszWarpOptions,
"INIT" ),
" ,", FALSE, FALSE );
const int nTokenCount = CSLCount(papszTokens);
for( int iBand = 0; iBand < nBandCount; iBand++ )
{
if( nTokenCount == 0 )
panBandInit[iBand] = 0;
else
panBandInit[iBand] =
atoi(papszTokens[MIN(iBand,nTokenCount-1)]);
}
CSLDestroy(papszTokens);
}
/* -------------------------------------------------------------------- */
/* Loop over all the scanlines in the output image. */
/* -------------------------------------------------------------------- */
for( int iDstY = 0; iDstY < nDstYSize; iDstY++ )
{
// Clear output buffer to "transparent" value. Should not we
// really be reading from the destination file to support overlay?
for( int iBand = 0; iBand < nBandCount; iBand++ )
{
if( panBandInit[iBand] == -1 )
{
if( GDALRasterIO( GDALGetRasterBand(hDstDS,iBand+1), GF_Read,
0, iDstY, nDstXSize, 1,
papabyDstLine[iBand], nDstXSize, 1, GDT_Byte,
0, 0 ) != CE_None )
{
bError = TRUE;
break;
}
}
else
memset( papabyDstLine[iBand], panBandInit[iBand], nDstXSize );
}
// Set point to transform.
for( int iDstX = 0; iDstX < nDstXSize; iDstX++ )
{
padfX[iDstX] = iDstX + 0.5;
padfY[iDstX] = iDstY + 0.5;
padfZ[iDstX] = 0.0;
}
// Transform the points from destination pixel/line coordinates
// to source pixel/line coordinates.
pfnTransform( pTransformArg, TRUE, nDstXSize,
padfX, padfY, padfZ, pabSuccess );
// Loop over the output scanline.
for( int iDstX = 0; iDstX < nDstXSize; iDstX++ )
{
if( !pabSuccess[iDstX] )
continue;
// We test against the value before casting to avoid the
// problem of asymmetric truncation effects around zero. That is
// -0.5 will be 0 when cast to an int.
if( padfX[iDstX] < 0.0 || padfY[iDstX] < 0.0 )
continue;
const int iSrcX = static_cast<int>( padfX[iDstX] );
const int iSrcY = static_cast<int>( padfY[iDstX] );
if( iSrcX >= nSrcXSize || iSrcY >= nSrcYSize )
continue;
const int iSrcOffset = iSrcX + iSrcY * nSrcXSize;
for( int iBand = 0; iBand < nBandCount; iBand++ )
papabyDstLine[iBand][iDstX] = papabySrcData[iBand][iSrcOffset];
}
// Write scanline to disk.
for( int iBand = 0; iBand < nBandCount; iBand++ )
{
if( GDALRasterIO( GDALGetRasterBand(hDstDS,iBand+1), GF_Write,
0, iDstY, nDstXSize, 1,
papabyDstLine[iBand], nDstXSize, 1, GDT_Byte, 0, 0 ) != CE_None )
{
bError = TRUE;
break;
}
}
if( pfnProgress != NULL )
{
if( !pfnProgress( (iDstY+1) / (double) nDstYSize,
"", pProgressArg ) )
{
CPLError( CE_Failure, CPLE_UserInterrupt, "User terminated" );
bError = TRUE;
break;
}
}
}
/* -------------------------------------------------------------------- */
/* Cleanup working buffers. */
/* -------------------------------------------------------------------- */
for( int iBand = 0; iBand < nBandCount; iBand++ )
{
CPLFree( papabyDstLine[iBand] );
CPLFree( papabySrcData[iBand] );
}
CPLFree( panBandInit );
CPLFree( papabyDstLine );
CPLFree( papabySrcData );
CPLFree( padfX );
CPLFree( padfY );
CPLFree( padfZ );
CPLFree( pabSuccess );
return !bError;
}
int QgsZonalStatistics::calculateStatistics( QProgressDialog* p )
{
if ( !mPolygonLayer || mPolygonLayer->geometryType() != QgsWkbTypes::PolygonGeometry )
{
return 1;
}
QgsVectorDataProvider* vectorProvider = mPolygonLayer->dataProvider();
if ( !vectorProvider )
{
return 2;
}
//open the raster layer and the raster band
GDALAllRegister();
GDALDatasetH inputDataset = GDALOpen( TO8F( mRasterFilePath ), GA_ReadOnly );
if ( !inputDataset )
{
return 3;
}
if ( GDALGetRasterCount( inputDataset ) < ( mRasterBand - 1 ) )
{
GDALClose( inputDataset );
return 4;
}
GDALRasterBandH rasterBand = GDALGetRasterBand( inputDataset, mRasterBand );
if ( !rasterBand )
{
GDALClose( inputDataset );
return 5;
}
mInputNodataValue = GDALGetRasterNoDataValue( rasterBand, nullptr );
//get geometry info about raster layer
int nCellsXGDAL = GDALGetRasterXSize( inputDataset );
int nCellsYGDAL = GDALGetRasterYSize( inputDataset );
double geoTransform[6];
if ( GDALGetGeoTransform( inputDataset, geoTransform ) != CE_None )
{
GDALClose( inputDataset );
return 6;
}
double cellsizeX = geoTransform[1];
if ( cellsizeX < 0 )
{
cellsizeX = -cellsizeX;
}
double cellsizeY = geoTransform[5];
if ( cellsizeY < 0 )
{
cellsizeY = -cellsizeY;
}
QgsRectangle rasterBBox( geoTransform[0], geoTransform[3] - ( nCellsYGDAL * cellsizeY ),
geoTransform[0] + ( nCellsXGDAL * cellsizeX ), geoTransform[3] );
//add the new fields to the provider
QList<QgsField> newFieldList;
QString countFieldName;
if ( mStatistics & QgsZonalStatistics::Count )
{
countFieldName = getUniqueFieldName( mAttributePrefix + "count" );
QgsField countField( countFieldName, QVariant::Double, QStringLiteral( "double precision" ) );
newFieldList.push_back( countField );
}
QString sumFieldName;
if ( mStatistics & QgsZonalStatistics::Sum )
{
sumFieldName = getUniqueFieldName( mAttributePrefix + "sum" );
QgsField sumField( sumFieldName, QVariant::Double, QStringLiteral( "double precision" ) );
newFieldList.push_back( sumField );
}
QString meanFieldName;
if ( mStatistics & QgsZonalStatistics::Mean )
{
meanFieldName = getUniqueFieldName( mAttributePrefix + "mean" );
QgsField meanField( meanFieldName, QVariant::Double, QStringLiteral( "double precision" ) );
newFieldList.push_back( meanField );
}
QString medianFieldName;
if ( mStatistics & QgsZonalStatistics::Median )
{
medianFieldName = getUniqueFieldName( mAttributePrefix + "median" );
QgsField medianField( medianFieldName, QVariant::Double, QStringLiteral( "double precision" ) );
newFieldList.push_back( medianField );
}
QString stdevFieldName;
if ( mStatistics & QgsZonalStatistics::StDev )
{
stdevFieldName = getUniqueFieldName( mAttributePrefix + "stdev" );
QgsField stdField( stdevFieldName, QVariant::Double, QStringLiteral( "double precision" ) );
newFieldList.push_back( stdField );
}
QString minFieldName;
if ( mStatistics & QgsZonalStatistics::Min )
{
minFieldName = getUniqueFieldName( mAttributePrefix + "min" );
QgsField minField( minFieldName, QVariant::Double, QStringLiteral( "double precision" ) );
newFieldList.push_back( minField );
}
QString maxFieldName;
if ( mStatistics & QgsZonalStatistics::Max )
{
maxFieldName = getUniqueFieldName( mAttributePrefix + "max" );
QgsField maxField( maxFieldName, QVariant::Double, QStringLiteral( "double precision" ) );
newFieldList.push_back( maxField );
}
QString rangeFieldName;
if ( mStatistics & QgsZonalStatistics::Range )
{
rangeFieldName = getUniqueFieldName( mAttributePrefix + "range" );
QgsField rangeField( rangeFieldName, QVariant::Double, QStringLiteral( "double precision" ) );
newFieldList.push_back( rangeField );
}
QString minorityFieldName;
if ( mStatistics & QgsZonalStatistics::Minority )
{
minorityFieldName = getUniqueFieldName( mAttributePrefix + "minority" );
QgsField minorityField( minorityFieldName, QVariant::Double, QStringLiteral( "double precision" ) );
newFieldList.push_back( minorityField );
}
QString majorityFieldName;
if ( mStatistics & QgsZonalStatistics::Majority )
{
majorityFieldName = getUniqueFieldName( mAttributePrefix + "majority" );
QgsField majField( majorityFieldName, QVariant::Double, QStringLiteral( "double precision" ) );
newFieldList.push_back( majField );
}
QString varietyFieldName;
if ( mStatistics & QgsZonalStatistics::Variety )
{
varietyFieldName = getUniqueFieldName( mAttributePrefix + "variety" );
QgsField varietyField( varietyFieldName, QVariant::Int, QStringLiteral( "int" ) );
newFieldList.push_back( varietyField );
}
vectorProvider->addAttributes( newFieldList );
//index of the new fields
int countIndex = mStatistics & QgsZonalStatistics::Count ? vectorProvider->fieldNameIndex( countFieldName ) : -1;
int sumIndex = mStatistics & QgsZonalStatistics::Sum ? vectorProvider->fieldNameIndex( sumFieldName ) : -1;
int meanIndex = mStatistics & QgsZonalStatistics::Mean ? vectorProvider->fieldNameIndex( meanFieldName ) : -1;
int medianIndex = mStatistics & QgsZonalStatistics::Median ? vectorProvider->fieldNameIndex( medianFieldName ) : -1;
int stdevIndex = mStatistics & QgsZonalStatistics::StDev ? vectorProvider->fieldNameIndex( stdevFieldName ) : -1;
int minIndex = mStatistics & QgsZonalStatistics::Min ? vectorProvider->fieldNameIndex( minFieldName ) : -1;
int maxIndex = mStatistics & QgsZonalStatistics::Max ? vectorProvider->fieldNameIndex( maxFieldName ) : -1;
int rangeIndex = mStatistics & QgsZonalStatistics::Range ? vectorProvider->fieldNameIndex( rangeFieldName ) : -1;
int minorityIndex = mStatistics & QgsZonalStatistics::Minority ? vectorProvider->fieldNameIndex( minorityFieldName ) : -1;
int majorityIndex = mStatistics & QgsZonalStatistics::Majority ? vectorProvider->fieldNameIndex( majorityFieldName ) : -1;
int varietyIndex = mStatistics & QgsZonalStatistics::Variety ? vectorProvider->fieldNameIndex( varietyFieldName ) : -1;
if (( mStatistics & QgsZonalStatistics::Count && countIndex == -1 )
|| ( mStatistics & QgsZonalStatistics::Sum && sumIndex == -1 )
|| ( mStatistics & QgsZonalStatistics::Mean && meanIndex == -1 )
|| ( mStatistics & QgsZonalStatistics::Median && medianIndex == -1 )
|| ( mStatistics & QgsZonalStatistics::StDev && stdevIndex == -1 )
|| ( mStatistics & QgsZonalStatistics::Min && minIndex == -1 )
|| ( mStatistics & QgsZonalStatistics::Max && maxIndex == -1 )
|| ( mStatistics & QgsZonalStatistics::Range && rangeIndex == -1 )
|| ( mStatistics & QgsZonalStatistics::Minority && minorityIndex == -1 )
|| ( mStatistics & QgsZonalStatistics::Majority && majorityIndex == -1 )
|| ( mStatistics & QgsZonalStatistics::Variety && varietyIndex == -1 )
)
{
//failed to create a required field
return 8;
}
//progress dialog
long featureCount = vectorProvider->featureCount();
if ( p )
{
p->setMaximum( featureCount );
}
//iterate over each polygon
QgsFeatureRequest request;
request.setSubsetOfAttributes( QgsAttributeList() );
QgsFeatureIterator fi = vectorProvider->getFeatures( request );
QgsFeature f;
bool statsStoreValues = ( mStatistics & QgsZonalStatistics::Median ) ||
( mStatistics & QgsZonalStatistics::StDev );
bool statsStoreValueCount = ( mStatistics & QgsZonalStatistics::Minority ) ||
( mStatistics & QgsZonalStatistics::Majority );
FeatureStats featureStats( statsStoreValues, statsStoreValueCount );
int featureCounter = 0;
QgsChangedAttributesMap changeMap;
while ( fi.nextFeature( f ) )
{
if ( p )
{
p->setValue( featureCounter );
}
if ( p && p->wasCanceled() )
{
break;
}
if ( !f.hasGeometry() )
{
++featureCounter;
continue;
}
QgsGeometry featureGeometry = f.geometry();
QgsRectangle featureRect = featureGeometry.boundingBox().intersect( &rasterBBox );
if ( featureRect.isEmpty() )
{
++featureCounter;
continue;
}
int offsetX, offsetY, nCellsX, nCellsY;
if ( cellInfoForBBox( rasterBBox, featureRect, cellsizeX, cellsizeY, offsetX, offsetY, nCellsX, nCellsY ) != 0 )
{
++featureCounter;
continue;
}
//avoid access to cells outside of the raster (may occur because of rounding)
if (( offsetX + nCellsX ) > nCellsXGDAL )
{
nCellsX = nCellsXGDAL - offsetX;
}
if (( offsetY + nCellsY ) > nCellsYGDAL )
{
nCellsY = nCellsYGDAL - offsetY;
}
statisticsFromMiddlePointTest( rasterBand, featureGeometry, offsetX, offsetY, nCellsX, nCellsY, cellsizeX, cellsizeY,
rasterBBox, featureStats );
if ( featureStats.count <= 1 )
{
//the cell resolution is probably larger than the polygon area. We switch to precise pixel - polygon intersection in this case
statisticsFromPreciseIntersection( rasterBand, featureGeometry, offsetX, offsetY, nCellsX, nCellsY, cellsizeX, cellsizeY,
rasterBBox, featureStats );
}
//write the statistics value to the vector data provider
QgsAttributeMap changeAttributeMap;
if ( mStatistics & QgsZonalStatistics::Count )
changeAttributeMap.insert( countIndex, QVariant( featureStats.count ) );
if ( mStatistics & QgsZonalStatistics::Sum )
changeAttributeMap.insert( sumIndex, QVariant( featureStats.sum ) );
if ( featureStats.count > 0 )
{
double mean = featureStats.sum / featureStats.count;
if ( mStatistics & QgsZonalStatistics::Mean )
changeAttributeMap.insert( meanIndex, QVariant( mean ) );
if ( mStatistics & QgsZonalStatistics::Median )
{
qSort( featureStats.values.begin(), featureStats.values.end() );
int size = featureStats.values.count();
bool even = ( size % 2 ) < 1;
double medianValue;
if ( even )
{
medianValue = ( featureStats.values.at( size / 2 - 1 ) + featureStats.values.at( size / 2 ) ) / 2;
}
else //odd
{
medianValue = featureStats.values.at(( size + 1 ) / 2 - 1 );
}
changeAttributeMap.insert( medianIndex, QVariant( medianValue ) );
}
if ( mStatistics & QgsZonalStatistics::StDev )
{
double sumSquared = 0;
for ( int i = 0; i < featureStats.values.count(); ++i )
{
double diff = featureStats.values.at( i ) - mean;
sumSquared += diff * diff;
}
double stdev = qPow( sumSquared / featureStats.values.count(), 0.5 );
changeAttributeMap.insert( stdevIndex, QVariant( stdev ) );
}
if ( mStatistics & QgsZonalStatistics::Min )
changeAttributeMap.insert( minIndex, QVariant( featureStats.min ) );
if ( mStatistics & QgsZonalStatistics::Max )
changeAttributeMap.insert( maxIndex, QVariant( featureStats.max ) );
if ( mStatistics & QgsZonalStatistics::Range )
changeAttributeMap.insert( rangeIndex, QVariant( featureStats.max - featureStats.min ) );
if ( mStatistics & QgsZonalStatistics::Minority || mStatistics & QgsZonalStatistics::Majority )
{
QList<int> vals = featureStats.valueCount.values();
qSort( vals.begin(), vals.end() );
if ( mStatistics & QgsZonalStatistics::Minority )
{
float minorityKey = featureStats.valueCount.key( vals.first() );
changeAttributeMap.insert( minorityIndex, QVariant( minorityKey ) );
}
if ( mStatistics & QgsZonalStatistics::Majority )
{
float majKey = featureStats.valueCount.key( vals.last() );
changeAttributeMap.insert( majorityIndex, QVariant( majKey ) );
}
}
if ( mStatistics & QgsZonalStatistics::Variety )
changeAttributeMap.insert( varietyIndex, QVariant( featureStats.valueCount.count() ) );
}
changeMap.insert( f.id(), changeAttributeMap );
++featureCounter;
}
vectorProvider->changeAttributeValues( changeMap );
if ( p )
{
p->setValue( featureCount );
}
GDALClose( inputDataset );
mPolygonLayer->updateFields();
if ( p && p->wasCanceled() )
{
return 9;
}
return 0;
}
int main( int argc, char ** argv )
{
GDALDatasetH hSrcDS, hDstDS;
GDALDataset * poSrcDS, *poDstDS = NULL;
int i;
int nRasterXSize, nRasterYSize;
const char *pszSource=NULL, *pszDest=NULL, *pszFormat = "GTiff";
GDALDriverH hDriver;
int *panBandList = NULL, nBandCount = 0, bDefBands = TRUE;
GDALDataType eOutputType = GDT_Unknown;
int nOXSize = 0, nOYSize = 0;
char **papszCreateOptions = NULL;
char **papszAsyncOptions = NULL;
int anSrcWin[4];
int bQuiet = FALSE;
GDALProgressFunc pfnProgress = GDALTermProgress;
int iSrcFileArg = -1, iDstFileArg = -1;
int bMulti = FALSE;
double dfTimeout = -1.0;
const char *pszOXSize = NULL, *pszOYSize = NULL;
anSrcWin[0] = 0;
anSrcWin[1] = 0;
anSrcWin[2] = 0;
anSrcWin[3] = 0;
/* Check strict compilation and runtime library version as we use C++ API */
if (! GDAL_CHECK_VERSION(argv[0]))
exit(1);
/* -------------------------------------------------------------------- */
/* Register standard GDAL drivers, and process generic GDAL */
/* command options. */
/* -------------------------------------------------------------------- */
GDALAllRegister();
argc = GDALGeneralCmdLineProcessor( argc, &argv, 0 );
if( argc < 1 )
exit( -argc );
/* -------------------------------------------------------------------- */
/* Handle command line arguments. */
/* -------------------------------------------------------------------- */
for( i = 1; i < argc; i++ )
{
if( EQUAL(argv[i], "--utility_version") )
{
printf("%s was compiled against GDAL %s and is running against GDAL %s\n",
argv[0], GDAL_RELEASE_NAME, GDALVersionInfo("RELEASE_NAME"));
return 0;
}
else if( EQUAL(argv[i],"-of") && i < argc-1 )
pszFormat = argv[++i];
else if( EQUAL(argv[i],"-quiet") )
{
bQuiet = TRUE;
pfnProgress = GDALDummyProgress;
}
else if( EQUAL(argv[i],"-ot") && i < argc-1 )
{
int iType;
for( iType = 1; iType < GDT_TypeCount; iType++ )
{
if( GDALGetDataTypeName((GDALDataType)iType) != NULL
&& EQUAL(GDALGetDataTypeName((GDALDataType)iType),
argv[i+1]) )
{
eOutputType = (GDALDataType) iType;
}
}
if( eOutputType == GDT_Unknown )
{
printf( "Unknown output pixel type: %s\n", argv[i+1] );
Usage();
GDALDestroyDriverManager();
exit( 2 );
}
i++;
}
else if( EQUAL(argv[i],"-b") && i < argc-1 )
{
if( atoi(argv[i+1]) < 1 )
{
printf( "Unrecognizable band number (%s).\n", argv[i+1] );
Usage();
GDALDestroyDriverManager();
exit( 2 );
}
nBandCount++;
panBandList = (int *)
CPLRealloc(panBandList, sizeof(int) * nBandCount);
panBandList[nBandCount-1] = atoi(argv[++i]);
if( panBandList[nBandCount-1] != nBandCount )
bDefBands = FALSE;
}
else if( EQUAL(argv[i],"-co") && i < argc-1 )
{
papszCreateOptions = CSLAddString( papszCreateOptions, argv[++i] );
}
else if( EQUAL(argv[i],"-ao") && i < argc-1 )
{
papszAsyncOptions = CSLAddString( papszAsyncOptions, argv[++i] );
}
else if( EQUAL(argv[i],"-to") && i < argc-1 )
{
dfTimeout = atof(argv[++i] );
}
else if( EQUAL(argv[i],"-outsize") && i < argc-2 )
{
pszOXSize = argv[++i];
pszOYSize = argv[++i];
}
else if( EQUAL(argv[i],"-srcwin") && i < argc-4 )
{
anSrcWin[0] = atoi(argv[++i]);
anSrcWin[1] = atoi(argv[++i]);
anSrcWin[2] = atoi(argv[++i]);
anSrcWin[3] = atoi(argv[++i]);
}
else if( EQUAL(argv[i],"-multi") )
{
bMulti = TRUE;
}
else if( argv[i][0] == '-' )
{
printf( "Option %s incomplete, or not recognised.\n\n",
argv[i] );
Usage();
GDALDestroyDriverManager();
exit( 2 );
}
else if( pszSource == NULL )
{
iSrcFileArg = i;
pszSource = argv[i];
}
else if( pszDest == NULL )
{
pszDest = argv[i];
iDstFileArg = i;
}
else
{
printf( "Too many command options.\n\n" );
Usage();
GDALDestroyDriverManager();
exit( 2 );
}
}
if( pszDest == NULL )
{
Usage();
GDALDestroyDriverManager();
exit( 10 );
}
if ( strcmp(pszSource, pszDest) == 0)
{
fprintf(stderr, "Source and destination datasets must be different.\n");
GDALDestroyDriverManager();
exit( 1 );
}
/* -------------------------------------------------------------------- */
/* Attempt to open source file. */
/* -------------------------------------------------------------------- */
hSrcDS = GDALOpenShared( pszSource, GA_ReadOnly );
poSrcDS = (GDALDataset *) hSrcDS;
if( hSrcDS == NULL )
{
fprintf( stderr,
"GDALOpen failed - %d\n%s\n",
CPLGetLastErrorNo(), CPLGetLastErrorMsg() );
GDALDestroyDriverManager();
exit( 1 );
}
/* -------------------------------------------------------------------- */
/* Collect some information from the source file. */
/* -------------------------------------------------------------------- */
nRasterXSize = GDALGetRasterXSize( hSrcDS );
nRasterYSize = GDALGetRasterYSize( hSrcDS );
if( !bQuiet )
printf( "Input file size is %d, %d\n", nRasterXSize, nRasterYSize );
if( anSrcWin[2] == 0 && anSrcWin[3] == 0 )
{
anSrcWin[2] = nRasterXSize;
anSrcWin[3] = nRasterYSize;
}
/* -------------------------------------------------------------------- */
/* Establish output size. */
/* -------------------------------------------------------------------- */
if( pszOXSize == NULL )
{
nOXSize = anSrcWin[2];
nOYSize = anSrcWin[3];
}
else
{
nOXSize = (int) ((pszOXSize[strlen(pszOXSize)-1]=='%'
? atof(pszOXSize)/100*anSrcWin[2] : atoi(pszOXSize)));
nOYSize = (int) ((pszOYSize[strlen(pszOYSize)-1]=='%'
? atof(pszOYSize)/100*anSrcWin[3] : atoi(pszOYSize)));
}
/* -------------------------------------------------------------------- */
/* Build band list to translate */
/* -------------------------------------------------------------------- */
if( nBandCount == 0 )
{
nBandCount = GDALGetRasterCount( hSrcDS );
if( nBandCount == 0 )
{
fprintf( stderr, "Input file has no bands, and so cannot be translated.\n" );
GDALDestroyDriverManager();
exit(1 );
}
panBandList = (int *) CPLMalloc(sizeof(int)*nBandCount);
for( i = 0; i < nBandCount; i++ )
panBandList[i] = i+1;
}
else
{
for( i = 0; i < nBandCount; i++ )
{
if( panBandList[i] < 1 || panBandList[i] > GDALGetRasterCount(hSrcDS) )
{
fprintf( stderr,
"Band %d requested, but only bands 1 to %d available.\n",
panBandList[i], GDALGetRasterCount(hSrcDS) );
GDALDestroyDriverManager();
exit( 2 );
}
}
if( nBandCount != GDALGetRasterCount( hSrcDS ) )
bDefBands = FALSE;
}
/* -------------------------------------------------------------------- */
/* Verify source window. */
/* -------------------------------------------------------------------- */
if( anSrcWin[0] < 0 || anSrcWin[1] < 0
|| anSrcWin[2] <= 0 || anSrcWin[3] <= 0
|| anSrcWin[0] + anSrcWin[2] > GDALGetRasterXSize(hSrcDS)
|| anSrcWin[1] + anSrcWin[3] > GDALGetRasterYSize(hSrcDS) )
{
fprintf( stderr,
"-srcwin %d %d %d %d falls outside raster size of %dx%d\n"
"or is otherwise illegal.\n",
anSrcWin[0],
anSrcWin[1],
anSrcWin[2],
anSrcWin[3],
GDALGetRasterXSize(hSrcDS),
GDALGetRasterYSize(hSrcDS) );
exit( 1 );
}
/* -------------------------------------------------------------------- */
/* Find the output driver. */
/* -------------------------------------------------------------------- */
hDriver = GDALGetDriverByName( pszFormat );
if( hDriver == NULL )
{
printf( "Output driver `%s' not recognised.\n", pszFormat );
}
else if( GDALGetMetadataItem( hDriver, GDAL_DCAP_CREATE, NULL ) == NULL )
{
printf( "Output driver '%s' does not support direct creation.\n",
pszFormat );
hDriver = NULL;
}
if( hDriver == NULL )
{
int iDr;
printf( "The following format drivers are configured and support output:\n" );
for( iDr = 0; iDr < GDALGetDriverCount(); iDr++ )
{
GDALDriverH hDriver = GDALGetDriver(iDr);
if( GDALGetMetadataItem( hDriver, GDAL_DCAP_CREATE, NULL ) != NULL )
{
printf( " %s: %s\n",
GDALGetDriverShortName( hDriver ),
GDALGetDriverLongName( hDriver ) );
}
}
printf( "\n" );
Usage();
GDALClose( hSrcDS );
CPLFree( panBandList );
GDALDestroyDriverManager();
CSLDestroy( argv );
CSLDestroy( papszCreateOptions );
exit( 1 );
}
/* -------------------------------------------------------------------- */
/* Establish the pixel data type to use. */
/* -------------------------------------------------------------------- */
if( eOutputType == GDT_Unknown )
eOutputType = poSrcDS->GetRasterBand(1)->GetRasterDataType();
/* -------------------------------------------------------------------- */
/* Allocate one big buffer for the whole imagery area to */
/* transfer. */
/* -------------------------------------------------------------------- */
int nBytesPerPixel = nBandCount * (GDALGetDataTypeSize(eOutputType) / 8);
void *pImage = VSIMalloc3( nOXSize, nOYSize, nBytesPerPixel );
if( pImage == NULL )
{
printf( "Unable to allocate %dx%dx%d byte window buffer.\n",
nOXSize, nOYSize, nBytesPerPixel );
exit( 1 );
}
/* -------------------------------------------------------------------- */
/* Establish view window */
/* -------------------------------------------------------------------- */
GDALAsyncReader *poAsyncReq;
int nPixelSpace = nBytesPerPixel;
int nLineSpace = nBytesPerPixel * nOXSize;
int nBandSpace = nBytesPerPixel / nBandCount;
poAsyncReq = poSrcDS->BeginAsyncReader(
anSrcWin[0], anSrcWin[1], anSrcWin[2], anSrcWin[3],
pImage, nOXSize, nOYSize, eOutputType,
nBandCount, panBandList,
nPixelSpace, nLineSpace, nBandSpace, papszAsyncOptions );
if( poAsyncReq == NULL )
exit( 1 );
/* -------------------------------------------------------------------- */
/* Process until done or an error. */
/* -------------------------------------------------------------------- */
GDALAsyncStatusType eAStatus;
CPLErr eErr = CE_None;
int iMultiCounter = 0;
hDstDS = NULL;
do
{
/* ==================================================================== */
/* Create the output file, and initialize if needed. */
/* ==================================================================== */
if( hDstDS == NULL )
{
CPLString osOutFilename = pszDest;
if( bMulti )
osOutFilename.Printf( "%s_%d", pszDest, iMultiCounter++ );
hDstDS = GDALCreate( hDriver, osOutFilename, nOXSize, nOYSize,
nBandCount, eOutputType,
papszCreateOptions );
if (hDstDS == NULL)
{
exit(1);
}
poDstDS = (GDALDataset *) hDstDS;
/* -------------------------------------------------------------------- */
/* Copy georeferencing. */
/* -------------------------------------------------------------------- */
double adfGeoTransform[6];
if( poSrcDS->GetGeoTransform( adfGeoTransform ) == CE_None )
{
adfGeoTransform[0] += anSrcWin[0] * adfGeoTransform[1]
+ anSrcWin[1] * adfGeoTransform[2];
adfGeoTransform[3] += anSrcWin[0] * adfGeoTransform[4]
+ anSrcWin[1] * adfGeoTransform[5];
adfGeoTransform[1] *= anSrcWin[2] / (double) nOXSize;
adfGeoTransform[2] *= anSrcWin[3] / (double) nOYSize;
adfGeoTransform[4] *= anSrcWin[2] / (double) nOXSize;
adfGeoTransform[5] *= anSrcWin[3] / (double) nOYSize;
poDstDS->SetGeoTransform( adfGeoTransform );
}
poDstDS->SetProjection( poSrcDS->GetProjectionRef() );
/* -------------------------------------------------------------------- */
/* Transfer generally applicable metadata. */
/* -------------------------------------------------------------------- */
poDstDS->SetMetadata( poSrcDS->GetMetadata() );
}
/* ==================================================================== */
/* Fetch an update and write it to the output file. */
/* ==================================================================== */
int nUpXOff, nUpYOff, nUpXSize, nUpYSize;
eAStatus = poAsyncReq->GetNextUpdatedRegion( dfTimeout,
&nUpXOff, &nUpYOff,
&nUpXSize, &nUpYSize );
if( eAStatus != GARIO_UPDATE && eAStatus != GARIO_COMPLETE )
continue;
if( !bQuiet )
{
printf( "Got %dx%d @ (%d,%d)\n",
nUpXSize, nUpYSize, nUpXOff, nUpYOff );
}
poAsyncReq->LockBuffer();
eErr =
poDstDS->RasterIO( GF_Write, nUpXOff, nUpYOff, nUpXSize, nUpYSize,
((GByte *) pImage)
+ nUpXOff * nPixelSpace
+ nUpYOff * nLineSpace,
nUpXSize, nUpYSize, eOutputType,
nBandCount, NULL,
nPixelSpace, nLineSpace, nBandSpace );
poAsyncReq->UnlockBuffer();
/* -------------------------------------------------------------------- */
/* In multi mode we will close this file and reopen another for */
/* the next request. */
/* -------------------------------------------------------------------- */
if( bMulti )
{
GDALClose( hDstDS );
hDstDS = NULL;
}
else
GDALFlushCache( hDstDS );
} while( eAStatus != GARIO_ERROR && eAStatus != GARIO_COMPLETE
&& eErr == CE_None );
poSrcDS->EndAsyncReader( poAsyncReq );
/* -------------------------------------------------------------------- */
/* Cleanup. */
/* -------------------------------------------------------------------- */
VSIFree( pImage );
if( hDstDS )
GDALClose( hDstDS );
GDALClose( hSrcDS );
CPLFree( panBandList );
CSLDestroy( argv );
CSLDestroy( papszCreateOptions );
CSLDestroy( papszAsyncOptions );
GDALDumpOpenDatasets( stderr );
GDALDestroyDriverManager();
}