void SmallpatchSieveFilter::SieveFilter(const char* Src_path, const char* Dst_Path, int SizeThresthod, int Connectedness)
{
GDALAllRegister();
CPLSetConfigOption("GDAL_FILENAME_IS_UTF8","NO");
GDALDriver* poDriver = GetGDALDriverManager()->GetDriverByName("GTIFF");
if (poDriver == NULL)
{
cout << "不能创建指定类型的文件：" << endl;
}
GDALDataset* poSrc = (GDALDataset*)GDALOpen(Src_path,GA_ReadOnly);
int NewBandXsize = poSrc->GetRasterXSize();
int NewBandYsize = poSrc->GetRasterYSize();
GDALDataType Type = poSrc->GetRasterBand(1)->GetRasterDataType();
GDALDataset* poDstDS = poDriver->Create(Dst_Path, NewBandXsize, NewBandYsize, 1, Type, NULL);
double GeoTrans[6] = { 0 };
poSrc->GetGeoTransform(GeoTrans);
poDstDS->SetGeoTransform(GeoTrans);
poDstDS->SetProjection(poSrc->GetProjectionRef());
GDALRasterBandH HImgBand = (GDALRasterBandH)poSrc->GetRasterBand(1);
GDALRasterBandH HPDstDSBand = (GDALRasterBandH)poDstDS->GetRasterBand(1);
GDALSetRasterColorTable(HPDstDSBand, GDALGetRasterColorTable(HImgBand));
GDALSieveFilter(HImgBand, NULL, HPDstDSBand, SizeThresthod, Connectedness, NULL, NULL, NULL);
GDALClose((GDALDatasetH)poDstDS);
};
void Raster<T>::OutputGTiff(const char* rasterName)
{
const char *pszFormat = "GTiff";
GDALDriver *poDriver = GetGDALDriverManager()->GetDriverByName(pszFormat);
char **papszOptions = poDriver->GetMetadata();
//papszOptions = CSLSetNameValue( papszOptions, "TILED", "YES" );
//papszOptions = CSLSetNameValue( papszOptions, "COMPRESS", "PACKBITS" );
GDALDataset *poDstDS = poDriver->Create(rasterName, m_nCols, m_nRows, 1, m_dType, papszOptions);
//write the data to new file
GDALRasterBand *poDstBand= poDstDS->GetRasterBand(1);
poDstBand->RasterIO(GF_Write, 0, 0, m_nCols, m_nRows, m_data, m_nCols, m_nRows, m_dType, 0, 0);
poDstBand->SetNoDataValue(m_noDataValue);
double geoTrans[6];
geoTrans[0] = m_xMin;
geoTrans[1] = m_dx;
geoTrans[2] = 0;
geoTrans[3] = m_yMax;
geoTrans[4] = 0;
geoTrans[5] = -m_dy;
poDstDS->SetGeoTransform(geoTrans);
poDstDS->SetProjection(m_proj.c_str());
GDALClose(poDstDS);
}
static GDALDataset*
createMemDS(int width, int height, double minX, double minY, double maxX, double maxY, const std::string &projection)
{
//Get the MEM driver
GDALDriver* memDriver = (GDALDriver*)GDALGetDriverByName("MEM");
if (!memDriver)
{
OE_NOTICE << "[osgEarth::GeoData] Could not get MEM driver" << std::endl;
}
//Create the in memory dataset.
GDALDataset* ds = memDriver->Create("", width, height, 4, GDT_Byte, 0);
//Initialize the color interpretation
ds->GetRasterBand(1)->SetColorInterpretation(GCI_RedBand);
ds->GetRasterBand(2)->SetColorInterpretation(GCI_GreenBand);
ds->GetRasterBand(3)->SetColorInterpretation(GCI_BlueBand);
ds->GetRasterBand(4)->SetColorInterpretation(GCI_AlphaBand);
//Initialize the geotransform
double geotransform[6];
double x_units_per_pixel = (maxX - minX) / (double)width;
double y_units_per_pixel = (maxY - minY) / (double)height;
geotransform[0] = minX;
geotransform[1] = x_units_per_pixel;
geotransform[2] = 0;
geotransform[3] = maxY;
geotransform[4] = 0;
geotransform[5] = -y_units_per_pixel;
ds->SetGeoTransform(geotransform);
ds->SetProjection(projection.c_str());
return ds;
}
void write_map(fs::path file_path, GDALDataType data_type, boost::shared_ptr<Map_Matrix<DataFormat> > data, std::string WKTprojection, GeoTransform transform, std::string driverName) throw(std::runtime_error)
{
GDALAllRegister(); //This registers all availble raster file formats for use with this utility. How neat is that. We can input any GDAL supported rater file format.
const char *pszFormat = driverName.c_str();
GDALDriver * poDriver = GetGDALDriverManager()->GetDriverByName(pszFormat);
if (poDriver == NULL)
{
throw std::runtime_error("No driver for file tyle found");
}
char ** papszMetadata = poDriver->GetMetadata();
if (!(CSLFetchBoolean(papszMetadata, GDAL_DCAP_CREATE, FALSE)))
{
throw std::runtime_error("Driver does not support raster creation");
}
char **papszOptions = NULL;
papszOptions = CSLSetNameValue(papszOptions, "COMPRESS", "LZW");
GDALDataset *poDstDS = poDriver->Create(file_path.string().c_str(), (int)data->NCols(), (int)data->NRows(), 1, data_type, papszOptions);
double adfGeoTransform[6] = {1, 1, 1, 1, 1, 1};
adfGeoTransform[0] = transform.x_origin;
adfGeoTransform[1] = transform.pixel_width;
adfGeoTransform[2] = transform.x_line_space;
adfGeoTransform[3] = transform.y_origin;
adfGeoTransform[4] = transform.pixel_height;
adfGeoTransform[5] = transform.y_line_space;
const char * psz_WKT = WKTprojection.c_str();
poDstDS->SetGeoTransform(adfGeoTransform);
poDstDS->SetProjection(psz_WKT);
DataFormat * pafScanline = new DataFormat[data->NCols() * data->NRows()];
int pafIterator = 0;
for (int i = 0; i < data->NRows(); i++)
{
for (int j = 0; j < data->NCols(); j++)
{
pafScanline[pafIterator] = data->Get(i, j);
pafIterator++;
}
}
GDALRasterBand * poBand = poDstDS->GetRasterBand(1);
poBand->SetNoDataValue(data->NoDataValue());
poBand->RasterIO(GF_Write, 0, 0, (int) data->NCols(), (int) data->NRows(), pafScanline, (int) data->NCols(), (int) data->NRows(), data_type, 0, 0);
GDALClose( (GDALDatasetH) poDstDS);
}
GDALDataset* CreateGDALRaster(TeRasterParams& params)
{
// Gets the appropriate GDAL driver
std::string path = params.fileName_;
if(path.empty())
return 0;
std::string extension = TeGetExtension(path.c_str());
std::string driverName = TeGDALDecoder::getGDALDriverName(extension);
if(driverName.empty())
return 0;
GDALDriverManager* driverManager = GetGDALDriverManager();
GDALDriver* driver = driverManager->GetDriverByName(driverName.c_str());
if(driver == 0)
return 0;
// Converts the raster data type
GDALDataType gDataType = Convert2GDAL(params.dataType_[0]);
// Creates the raster GDAL
GDALDataset* ds = driver->Create(path.c_str(), params.ncols_, params.nlines_, params.nBands(), gDataType, 0);
if(ds == 0)
return 0;
// Sets the geometric transformations
double gt[6];
Convert2GDAL(gt, params);
ds->SetGeoTransform(gt);
// Sets the raster projection
TeProjection* proj = params.projection();
if(proj)
{
int epsg = proj->epsgCode();
OGRSpatialReference oSRS;
oSRS.importFromEPSG(epsg);
char* projWKT = 0;
if(oSRS.exportToWkt(&projWKT) == OGRERR_NONE)
{
ds->SetProjection(projWKT);
OGRFree(projWKT);
}
}
return ds;
}
//fn is the name of the file that contains the original image data,
//dst is the filename to save the change detection results
void ChangeDetector::SaveChange(const CString&fn, const CString&dst)const {
assure(buf,"saving void change results!");
GDALDataset* m_pDataset=(GDALDataset *) GDALOpen(fn,GA_ReadOnly);
GDALRasterBand *poBand=NULL;
GDALDataType dataType=GDT_Byte;
const char *pszFormat = "GTiff";
GDALDriver *poDriver;
poDriver = GetGDALDriverManager()->GetDriverByName(pszFormat);
if( poDriver == NULL)
{
AfxMessageBox("This format is not able to be created!");
return;
}
//using create
GDALDataset *poDstDS;
char **papszOptions = NULL;
// OGRSpatialReference oSRS;
double adfGeoTransform[6]= { 444720, 30, 0, 3751320, 0, -30 };
poDstDS = poDriver->Create( dst,width,height, 1,dataType,
papszOptions );
if(CE_None==m_pDataset->GetGeoTransform( adfGeoTransform ))
poDstDS->SetGeoTransform( adfGeoTransform );
const char *pszSRS_WKT=m_pDataset->GetProjectionRef();
poDstDS->SetProjection( pszSRS_WKT );
CPLFree( (void*)pszSRS_WKT );
poBand = poDstDS->GetRasterBand(1);
if (poBand)
{
if (CE_None!=poBand->RasterIO( GF_Write,0,0, width, height, buf, width,height,GDT_Byte, 0, 0 ))
{
AfxMessageBox("error write mpdataset!");
}
}
GDALClose((GDALDatasetH)m_pDataset);
GDALClose( (GDALDatasetH) poDstDS );
}
void saveGDAL(const std::string &filename, const std::string &template_name, int xoffset, int yoffset){
GDALDataset *fintempl = (GDALDataset*)GDALOpen(template_name.c_str(), GA_ReadOnly);
assert(fintempl!=NULL); //TODO: Error handle
GDALDriver *poDriver = GetGDALDriverManager()->GetDriverByName("GTiff");
assert(poDriver!=NULL); //TODO: Error handle
GDALDataset *fout = poDriver->Create(filename.c_str(), viewWidth(), viewHeight(), 1, myGDALType(), NULL);
assert(fout!=NULL); //TODO: Error handle
GDALRasterBand *oband = fout->GetRasterBand(1);
oband->SetNoDataValue(no_data);
//The geotransform maps each grid cell to a point in an affine-transformed
//projection of the actual terrain. The geostransform is specified as follows:
// Xgeo = GT(0) + Xpixel*GT(1) + Yline*GT(2)
// Ygeo = GT(3) + Xpixel*GT(4) + Yline*GT(5)
//In case of north up images, the GT(2) and GT(4) coefficients are zero, and
//the GT(1) is pixel width, and GT(5) is pixel height. The (GT(0),GT(3))
//position is the top left corner of the top left pixel of the raster.
double geotrans[6];
fintempl->GetGeoTransform(geotrans);
//We shift the top-left pixel of hte image eastward to the appropriate
//coordinate
geotrans[0] += xoffset*geotrans[1];
//We shift the top-left pixel of the image southward to the appropriate
//coordinate
geotrans[3] += yoffset*geotrans[5];
#ifdef DEBUG
std::cerr<<"Filename: "<<std::setw(20)<<filename<<" Xoffset: "<<std::setw(6)<<xoffset<<" Yoffset: "<<std::setw(6)<<yoffset<<" Geotrans0: "<<std::setw(10)<<std::setprecision(10)<<std::fixed<<geotrans[0]<<" Geotrans3: "<<std::setw(10)<<std::setprecision(10)<<std::fixed<<geotrans[3]<< std::endl;
#endif
fout->SetGeoTransform(geotrans);
const char* projection_string=fintempl->GetProjectionRef();
fout->SetProjection(projection_string);
GDALClose(fintempl);
for(int y=0;y<view_height;y++)
oband->RasterIO(GF_Write, 0, y, viewWidth(), 1, data[y].data(), viewWidth(), 1, myGDALType(), 0, 0);
GDALClose(fout);
}
/* added RSB 20060212 */
SEXP
RGDAL_SetProject(SEXP sxpDataset, SEXP proj4string) {
OGRSpatialReference oSRS;
char *pszSRS_WKT = NULL;
GDALDataset *pDataset = getGDALDatasetPtr(sxpDataset);
oSRS.importFromProj4(CHAR(STRING_ELT(proj4string, 0)));
oSRS.exportToWkt( &pszSRS_WKT );
OGRErr err = pDataset->SetProjection(pszSRS_WKT);
CPLFree( pszSRS_WKT );
if (err == CE_Failure)
warning("Failed to set projection\n");
return(sxpDataset);
}
Dataset::Dataset ( const std::string& filename, const Extents& extents, unsigned int width, unsigned int height, int bands, unsigned int type ) : BaseClass(),
_data ( 0x0 )
{
// Make an in memory raster.
const std::string format ( "MEM" );
// Find a driver for in memory raster.
GDALDriver *driver ( GetGDALDriverManager()->GetDriverByName ( format.c_str() ) );
// Return now if we didn't find a driver.
if ( 0x0 == driver )
return;
// Create the file.
GDALDataset *data ( driver->Create ( filename.c_str(), width, height, bands, static_cast<GDALDataType> ( type ), 0x0 ) );
if ( 0x0 == data )
return;
// Make the transform.
OGRSpatialReference dst;
dst.SetWellKnownGeogCS ( "WGS84" );
// Create the geo transform.
std::vector<double> geoTransform ( 6 );
Dataset::createGeoTransform ( geoTransform, extents, width, height );
if ( CE_None != data->SetGeoTransform( &geoTransform[0] ) )
return;
char *wkt ( 0x0 );
if ( CE_None != dst.exportToWkt ( &wkt ) )
return;
if ( CE_None != data->SetProjection( wkt ) )
return;
// If we get here, everything succeeded. Set the internal pointer.
_data = data;
}
int Raster<T>::OutputGeoTiff(const char* filename)
{
/// Output GeoTiff all set as float datatype. by LJ.
int n = m_nRows * m_nCols;
float *data = new float[n];
int index = 0;
for (int i = 0; i < m_nRows; ++i)
{
for (int j = 0; j < m_nCols; ++j)
{
data[i*m_nCols+j] = float(m_data[i][j]);
}
}
const char *pszFormat = "GTiff";
GDALDriver *poDriver = GetGDALDriverManager()->GetDriverByName(pszFormat);
char **papszOptions = poDriver->GetMetadata();
GDALDataset *poDstDS = poDriver->Create(filename, m_nCols, m_nRows, 1, GDT_Float32, papszOptions );
/// Write the data to new file
GDALRasterBand *poDstBand= poDstDS->GetRasterBand(1);
poDstBand->RasterIO(GF_Write, 0, 0, m_nCols, m_nRows, data, m_nCols, m_nRows, GDT_Float32, 0, 0);
poDstBand->SetNoDataValue(m_noDataValue);
double geoTrans[6];
geoTrans[0] = m_xllCenter;
geoTrans[1] = m_dx;
geoTrans[2] = 0;
geoTrans[3] = m_yllCenter + m_nRows*m_dx;
geoTrans[4] = 0;
geoTrans[5] = -m_dx;
poDstDS->SetGeoTransform(geoTrans);
poDstDS->SetProjection(m_srs.c_str());
GDALClose(poDstDS);
delete[] data;
return 0;
}
int main( int nArgc, char ** papszArgv )
{
// register drivers
GDALAllRegister();
if( nArgc < 2 )
return EXIT_FAILURE;
double dfaCornersX[5] = {0};
double dfaCornersY[5] = {0};
CPLString sFileName;
// parse input values
for( int iArg = 1; iArg < nArgc; iArg++ )
{
if( EQUAL(papszArgv[iArg],"-nw"))
{
CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(2);
const char* pszCoord = papszArgv[++iArg];
dfaCornersY[1] = CPLAtofM(pszCoord);
pszCoord = papszArgv[++iArg];
dfaCornersX[1] = CPLAtofM(pszCoord);
}
else if( EQUAL(papszArgv[iArg],"-ne"))
{
CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(2);
const char* pszCoord = papszArgv[++iArg];
dfaCornersY[2] = CPLAtofM(pszCoord);
pszCoord = papszArgv[++iArg];
dfaCornersX[2] = CPLAtofM(pszCoord);
}
else if( EQUAL(papszArgv[iArg],"-se"))
{
CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(2);
const char* pszCoord = papszArgv[++iArg];
dfaCornersY[3] = CPLAtofM(pszCoord);
pszCoord = papszArgv[++iArg];
dfaCornersX[3] = CPLAtofM(pszCoord);
}
else if( EQUAL(papszArgv[iArg],"-sw"))
{
CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(2);
const char* pszCoord = papszArgv[++iArg];
dfaCornersY[4] = CPLAtofM(pszCoord);
pszCoord = papszArgv[++iArg];
dfaCornersX[4] = CPLAtofM(pszCoord);
}
else if( EQUAL(papszArgv[iArg],"-c"))
{
CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(2);
const char* pszCoord = papszArgv[++iArg];
dfaCornersY[0] = CPLAtofM(pszCoord);
pszCoord = papszArgv[++iArg];
dfaCornersX[0] = CPLAtofM(pszCoord);
}
else if(sFileName.empty())
sFileName = papszArgv[iArg];
}
OGRSpatialReference oOGRSpatialReference(SRS_WKT_WGS84);
int nZoneNo = ceil( (180.0 + dfaCornersX[0]) / 6.0 );
OGRSpatialReference oDstSpatialReference(SRS_WKT_WGS84);
oDstSpatialReference.SetUTM(nZoneNo, dfaCornersY[0] > 0);
// transform coordinates from WGS84 to UTM
OGRCoordinateTransformation *poCT = OGRCreateCoordinateTransformation( &oOGRSpatialReference, &oDstSpatialReference);
if(!poCT)
{
Usage("get coordinate transformation failed");
return EXIT_FAILURE;
}
int nResult = poCT->Transform(5, dfaCornersX, dfaCornersY, NULL);
if(!nResult)
{
Usage("transformation failed");
return EXIT_FAILURE;
}
// open input dataset
GDALDataset *poSrcDataset = (GDALDataset *) GDALOpen( sFileName, GA_ReadOnly ); // GA_Update
char* pszSpaRefDef = NULL;
if( oDstSpatialReference.exportToWkt(&pszSpaRefDef) != OGRERR_NONE)
{
CPLFree( pszSpaRefDef );
GDALClose( (GDALDatasetH) poSrcDataset );
return EXIT_FAILURE;
}
// search point along image
// add GCP to opened raster
OGRPoint ptCenter(dfaCornersX[0], dfaCornersY[0]);
OGRPoint pt1(dfaCornersX[1], dfaCornersY[1]); // NW Cormer
OGRPoint pt2(dfaCornersX[2], dfaCornersY[2]); // NE Corner
OGRPoint pt3(dfaCornersX[3], dfaCornersY[3]); // SE Corner
OGRPoint pt4(dfaCornersX[4], dfaCornersY[4]); // SW Corner
int nGCPCount = 0;
OGREnvelope DstEnv;
GDAL_GCP *paGSPs = PrepareGCP(sFileName, &pt1, &pt2, &pt3, &pt4, &ptCenter, oDstSpatialReference, poSrcDataset->GetRasterXSize(), poSrcDataset->GetRasterYSize(), nGCPCount, DstEnv);
if(poSrcDataset->SetGCPs(nGCPCount, paGSPs, pszSpaRefDef) != CE_None)
{
Usage( "Set GCPs failed" );
return EXIT_FAILURE;
}
// create warper
char **papszTO = NULL;
papszTO = CSLSetNameValue( papszTO, "METHOD", "GCP_TPS" );
papszTO = CSLSetNameValue( papszTO, "NUM_THREADS", "4" );
papszTO = CSLSetNameValue( papszTO, "DST_SRS", pszSpaRefDef );
papszTO = CSLSetNameValue( papszTO, "SRC_SRS", pszSpaRefDef );
papszTO = CSLSetNameValue( papszTO, "INSERT_CENTER_LONG", "FALSE" );
GDALDriver *poOutputDriver = (GDALDriver *) GDALGetDriverByName( "GTiff" );
CPLSetConfigOption( "CHECK_WITH_INVERT_PROJ", "TRUE" );
void* hTransformArg = GDALCreateGenImgProjTransformer2( poSrcDataset, NULL, papszTO );
GDALTransformerInfo* psInfo = (GDALTransformerInfo*)hTransformArg;
double adfThisGeoTransform[6];
double adfExtent[4];
int nThisPixels, nThisLines;
// suggest the raster output size
if( GDALSuggestedWarpOutput2( poSrcDataset, psInfo->pfnTransform, hTransformArg, adfThisGeoTransform, &nThisPixels, &nThisLines, adfExtent, 0 ) != CE_None )
{
Usage( "Suggest Output failed" );
return EXIT_FAILURE;
}
adfThisGeoTransform[0] = DstEnv.MinX;
adfThisGeoTransform[3] = DstEnv.MaxY;
int nPixels = (int) ((DstEnv.MaxX - DstEnv.MinX) / adfThisGeoTransform[1] + 0.5);
int nLines = (int) ((DstEnv.MaxY - DstEnv.MinY) / -adfThisGeoTransform[5] + 0.5);
GDALSetGenImgProjTransformerDstGeoTransform( hTransformArg, adfThisGeoTransform);
// create new raster
CPLString sOutputRasterPath = CPLResetExtension(sFileName, "tif");
GDALDataset *poDstDataset = poOutputDriver->Create(sOutputRasterPath, nPixels, nLines, poSrcDataset->GetRasterCount(), GDT_Byte, NULL );
if( NULL == poDstDataset )
{
Usage( "Create Output failed" );
return EXIT_FAILURE;
}
poDstDataset->SetProjection( pszSpaRefDef );
poDstDataset->SetGeoTransform( adfThisGeoTransform );
#ifdef APRROX_MAXERROR
hTransformArg = GDALCreateApproxTransformer( GDALGenImgProjTransform, hTransformArg, APRROX_MAXERROR);
GDALTransformerFunc pfnTransformer = GDALApproxTransform;
GDALApproxTransformerOwnsSubtransformer(hTransformArg, TRUE);
#else
GDALTransformerFunc pfnTransformer = GDALGenImgProjTransform;
#endif // APRROX_MAXERROR
// warp
GDALWarpOptions *psWO = GDALCreateWarpOptions();
psWO->eWorkingDataType = GDT_Byte;
psWO->eResampleAlg = GRA_NearestNeighbour;
psWO->hSrcDS = poSrcDataset;
psWO->hDstDS = poDstDataset;
psWO->pfnTransformer = pfnTransformer;
psWO->pTransformerArg = hTransformArg;
psWO->pfnProgress = GDALTermProgress;
psWO->nBandCount = poSrcDataset->GetRasterCount();
psWO->panSrcBands = (int *) CPLMalloc(psWO->nBandCount*sizeof(int));
psWO->panDstBands = (int *) CPLMalloc(psWO->nBandCount*sizeof(int));
for(int i = 0; i < psWO->nBandCount; ++i )
{
psWO->panSrcBands[i] = i+1;
psWO->panDstBands[i] = i+1;
}
GDALWarpOperation oWO;
if( oWO.Initialize( psWO ) == CE_None )
{
#ifdef MULTI
if( oWO.ChunkAndWarpMulti( 0, 0, poDstDataset->GetRasterXSize(), poDstDataset->GetRasterYSize() ) != CE_None)
#else //MULTI
if( oWO.ChunkAndWarpImage( 0, 0, poDstDataset->GetRasterXSize(), poDstDataset->GetRasterYSize() ) != CE_None)
#endif //MULTI
{
const char* err = CPLGetLastErrorMsg();
Usage( CPLSPrintf("Warp failed.%s", err) );
return EXIT_FAILURE;
}
}
// cleanup
GDALDestroyWarpOptions( psWO );
CSLDestroy( papszTO );
CPLFree( pszSpaRefDef );
GDALClose( (GDALDatasetH) poSrcDataset );
GDALClose( (GDALDatasetH) poDstDataset );
GDALDestroyDriverManager();
return EXIT_SUCCESS;
}
int meaningful_change(string cd_map_file, string result_file)
{
GdalRasterApp cd_map;
cd_map.open(cd_map_file.c_str());
int iBandCount = cd_map.nBand();
int iTileCountX = cd_map.getTileCountX();
int iTileCountY = cd_map.getTileCountY();
int iWidth = cd_map.width();
int iHeight = cd_map.height();
GDALDriver *poDriver; //驱动，用于创建新的文件
poDriver=GetGDALDriverManager()->GetDriverByName("GTIFF");
char **papszMetadata = poDriver->GetMetadata();//获取格式类型
GDALDataset *poDatasetNew;
// 输出栅格
poDatasetNew = poDriver->Create(result_file.c_str(), iWidth, iHeight, 1, GDT_Byte, papszMetadata);//根据文件路径文件名，图像宽，高，波段数，数据类型，文件类型，创建新的数据集
poDatasetNew->SetProjection(cd_map.getGetProjectionRef());
poDatasetNew->SetGeoTransform(cd_map.getGeoTransform());//坐标赋值,与全色相同
int nCount = 0;
double norm_threshold = 20.0;
int bgColor = 0;
int fgColor = 255;
for (int i = 0;i < iTileCountX;++i)
{
for (int j = 0;j < iTileCountY;++j)
{
GdalRasterApp::RasterBuf *pBuf = cd_map.getTileData(i, j, iBandCount);
int bufWidth = pBuf->iBufWidth;
int bufHeight = pBuf->iBufHeight;
int bufBand = pBuf->iBandCount;
int offsetX, offsetY;
cd_map.getTileOffset(i, j, offsetX, offsetY);
cv::Mat change_image(cv::Size(bufWidth, bufHeight), CV_8UC1, cv::Scalar(fgColor));
//cv::Mat lbp_change(cv::Size(bufWidth, bufHeight), CV_8UC1);
cv::Mat lbp_change = img_int2byte_band(pBuf, 0);
//cv::Mat lbp_change = img_float2byte_band(pBuf, 0);
//memcpy(lbp_change.data, pBuf->data, bufWidth*bufHeight);
//cv::imwrite("E:\\minus.tif", lbp_change);
int lbp_change_threshold = cvThresholdOtsu(lbp_change);
int step = change_image.step;
// change detection
for (int row = 0; row < bufHeight; ++row) {
for (int col = 0; col < bufWidth; ++col) {
int lbp_change_ = lbp_change.data[row*lbp_change.step+col];
// 判断是否变化很小
if (lbp_change_ < lbp_change_threshold)
{
change_image.data[row*step+col] = bgColor;
continue;
}
std::vector<double> change_vector(pFeatureBuf->iBandCount);
for (int k = 0;k < pFeatureBuf->iBandCount;++k)
{
int pos = row * bufWidth * pFeatureBuf->iBandCount + col*pFeatureBuf->iBandCount + k;
change_vector[k] = ((float*)pFeatureBuf->data)[pos];
}
//如果变化是否和样本相似
for (int m = 0; m < (int)samples.size(); m++)
{
double angle_ = samples[m][0] - change_vector[0];
double norm_ = samples[m][1] - change_vector[1];
//double similarity = VectorSimilarity(samples[m], change_vector);
//double distance = VectorDistance(samples[m], change_vector);
//double angle = VectorAngle(samples[m], change_vector);
//if (fabs(similarity) > similarityThreshold && distance < 15.0)
//if (fabs(angle) < 10.0 && distance < 20.0)
//if (fabs(similarity) < similarityThreshold)
if (fabs(angle_) < similarityThreshold && fabs(norm_) < 10.0)
//if (fabs(norm) < 10.0)
{
change_image.data[row*step+col] = bgColor;
break;
}
}
}
}
//RasterBuf2Opencv(pBuf, change_image);
//cv::Mat change_image(bufHeight, bufWidth, CV_8U(bufBand));
//int nBandDataSize = GDALGetDataTypeSize( pBuf->eDataType ) / 8;
//memcpy(change_image.data, (GByte*)(pBuf->data), bufWidth*bufHeight*bufBand*nBandDataSize);
//cvtColor( change_image, change_image, CV_BGR2GRAY );
//int threshold = cvThresholdOtsu(change_image);
//threshold = 60;
//cv::threshold( change_image, change_image, threshold, 255, CV_THRESH_BINARY);
//cv::Mat element = cv::getStructuringElement(cv::MORPH_ELLIPSE, cv::Size(3, 3));
//cv::morphologyEx(change_image, change_image, cv::MORPH_CLOSE, element);
//element = cv::getStructuringElement(cv::MORPH_CROSS , cv::Size(7, 7));
//cv::morphologyEx(change_image, change_image, cv::MORPH_OPEN, element);
//element = cv::getStructuringElement(cv::MORPH_ELLIPSE, cv::Size(7, 7));
//cv::morphologyEx(change_image, change_image, cv::MORPH_OPEN, element);
//cv::GaussianBlur(change_image, change_image, cv::Size(5,5), 1.5);
//cv::morphologyEx(change_image, change_image, cv::MORPH_CLOSE, element);
//cv::imwrite("E:\\test0.tif", change_image);
cv::Mat element = cv::getStructuringElement(cv::MORPH_ELLIPSE, cv::Size(2,2));
//cv::morphologyEx(change_image, change_image, cv::MORPH_CLOSE, element);
int nTemplate = sqrt(smallArea);
nTemplate = nTemplate / 2 * 2 + 1;
cv::medianBlur(change_image, change_image, nTemplate);
//cv::imwrite("E:\\test1.tif", change_image);
// 先闭运算
nTemplate = nTemplate / 2;
element = cv::getStructuringElement(cv::MORPH_RECT, cv::Size(5,5));
cv::morphologyEx(change_image, change_image, cv::MORPH_CLOSE, element);
// 再开运算
//element = cv::getStructuringElement(cv::MORPH_RECT, cv::Size(10, 10));
//cv::morphologyEx(change_image, change_image, cv::MORPH_OPEN, element);
//cv::imwrite("E:\\test2.tif", change_image);
BinaryRemoveSmall(change_image, change_image, smallArea, bgColor, fgColor);
//cv::Mat tmpMat = change_image.clone();
////cv::GaussianBlur(tmpMat, tmpMat, cv::Size(5,5), 1.5);
//std::vector<std::vector<cv::Point> > contours;
//std::vector<cv::Vec4i> hierarchy;
//cv::findContours(tmpMat, contours, CV_RETR_TREE, CV_CHAIN_APPROX_SIMPLE, cv::Point(0, 0) );
////for (std::vector<std::vector<cv::Point> >::iterator iter_Contours = contours.begin(); iter_Contours != contours.end();++iter_Contours)
//int nContours = (int)contours.size();
//for (int iContours = 0; iContours < nContours;++iContours)
//{
// std::vector<cv::Point> contour = contours[iContours];
// double tempArea = fabs(cv::contourArea(contour));
// cv::Rect rect = cv::boundingRect(contour);
// //当连通域的中心点为白色，而且面积较小时，用黑色进行填充
// if (tempArea < miniArea)
// {
// int pos_center = step*(rect.y+rect.height/2)+rect.x+rect.width/2;
// //if (255 == change_image.data[pos_center])
// {
// for(int y = rect.y;y<rect.y+rect.height;y++)
// {
// for(int x =rect.x;x<rect.x+rect.width;x++)
// {
// int pos_ = y*step+x;
// if(255 == change_image.data[pos_])
// {
// change_image.data[pos_] = 0;
// }
// }
// }
// }
// }
//}
//cv::imwrite("E:\\test3.tif", change_image);
////cv::imwrite("E:\\test.tif", change_image);
if (_changeOutType::raster == outType)
{
// 输出栅格
CPLErr gdal_err = poDatasetNew->RasterIO(GF_Write, offsetX, offsetY, bufWidth, bufHeight, change_image.data, bufWidth, bufHeight,\
GDT_Byte, 1, 0, 0, 0, 0);
}
else if (_changeOutType::vector == outType)
{
// 输出矢量
std::vector<std::vector<cv::Point> > contours;
std::vector<cv::Vec4i> hierarchy;
cv::findContours(change_image, contours, CV_RETR_TREE, CV_CHAIN_APPROX_SIMPLE, cv::Point(0, 0) );
addContour2ShapeArea(contours, out_layer_file, raster_minus.getGeoTransform(), raster_minus.getGetProjectionRef(), nCount, raster_minus.getBufInfo()->iBufOffsetX, raster_minus.getBufInfo()->iBufOffsetY);
nCount += (int)contours.size();
}
pBuf = NULL;
}
}
raster_minus.close();
raster_feature.close();
poDatasetNew->FlushCache();
GDALClose(poDatasetNew);
}
static int ProxyMain( int argc, char ** argv )
{
// GDALDatasetH hDataset, hOutDS;
// int i;
// int nRasterXSize, nRasterYSize;
// const char *pszSource=NULL, *pszDest=NULL, *pszFormat = "GTiff";
// GDALDriverH hDriver;
// int *panBandList = NULL; /* negative value of panBandList[i] means mask band of ABS(panBandList[i]) */
// int nBandCount = 0, bDefBands = TRUE;
// double adfGeoTransform[6];
// GDALDataType eOutputType = GDT_Unknown;
// int nOXSize = 0, nOYSize = 0;
// char *pszOXSize=NULL, *pszOYSize=NULL;
// char **papszCreateOptions = NULL;
// int anSrcWin[4], bStrict = FALSE;
// const char *pszProjection;
// int bScale = FALSE, bHaveScaleSrc = FALSE, bUnscale=FALSE;
// double dfScaleSrcMin=0.0, dfScaleSrcMax=255.0;
// double dfScaleDstMin=0.0, dfScaleDstMax=255.0;
// double dfULX, dfULY, dfLRX, dfLRY;
// char **papszMetadataOptions = NULL;
// char *pszOutputSRS = NULL;
// int bQuiet = FALSE, bGotBounds = FALSE;
// GDALProgressFunc pfnProgress = GDALTermProgress;
// int nGCPCount = 0;
// GDAL_GCP *pasGCPs = NULL;
// int iSrcFileArg = -1, iDstFileArg = -1;
// int bCopySubDatasets = FALSE;
// double adfULLR[4] = { 0,0,0,0 };
// int bSetNoData = FALSE;
// int bUnsetNoData = FALSE;
// double dfNoDataReal = 0.0;
// int nRGBExpand = 0;
// int bParsedMaskArgument = FALSE;
// int eMaskMode = MASK_AUTO;
// int nMaskBand = 0; /* negative value means mask band of ABS(nMaskBand) */
// int bStats = FALSE, bApproxStats = FALSE;
// GDALDatasetH hDataset, hOutDS;
GDALDataset *hDataset = NULL;
GDALDataset *hOutDS = NULL;
int i;
int nRasterXSize, nRasterYSize;
const char *pszSource=NULL, *pszDest=NULL, *pszFormat = "GTiff";
// GDALDriverH hDriver;
GDALDriver *hDriver;
GDALDataType eOutputType = GDT_Unknown;
char **papszCreateOptions = NULL;
int bStrict = FALSE;
int bQuiet = FALSE;
GDALProgressFunc pfnProgress = GDALTermProgress;
int iSrcFileArg = -1, iDstFileArg = -1;
int bSetNoData = FALSE;
int bUnsetNoData = FALSE;
double dfNoDataReal = 0.0;
GDALRasterBand *inBand = NULL;
GDALRasterBand *outBand = NULL;
GByte *srcBuffer;
double adfGeoTransform[6];
int nRasterCount;
int bReplaceIds = FALSE;
const char *pszReplaceFilename = NULL;
const char *pszReplaceFieldFrom = NULL;
const char *pszReplaceFieldTo = NULL;
std::map<GByte,GByte> mReplaceTable;
/* Check strict compilation and runtime library version as we use C++ API */
if (! GDAL_CHECK_VERSION(argv[0]))
exit(1);
/* Must process GDAL_SKIP before GDALAllRegister(), but we can't call */
/* GDALGeneralCmdLineProcessor before it needs the drivers to be registered */
/* for the --format or --formats options */
for( i = 1; i < argc; i++ )
{
if( EQUAL(argv[i],"--config") && i + 2 < argc && EQUAL(argv[i + 1], "GDAL_SKIP") )
{
CPLSetConfigOption( argv[i+1], argv[i+2] );
i += 2;
}
}
/* -------------------------------------------------------------------- */
/* 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],"-of") && i < argc-1 )
pszFormat = argv[++i];
else if( EQUAL(argv[i],"-q") || 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],"-not_strict") )
bStrict = FALSE;
else if( EQUAL(argv[i],"-strict") )
bStrict = TRUE;
else if( EQUAL(argv[i],"-a_nodata") && i < argc - 1 )
{
if (EQUAL(argv[i+1], "none"))
{
bUnsetNoData = TRUE;
}
else
{
bSetNoData = TRUE;
dfNoDataReal = CPLAtofM(argv[i+1]);
}
i += 1;
}
else if( EQUAL(argv[i],"-co") && i < argc-1 )
{
papszCreateOptions = CSLAddString( papszCreateOptions, argv[++i] );
}
else if( EQUAL(argv[i],"-replace_ids") && i < argc-3 )
{
bReplaceIds = TRUE;
pszReplaceFilename = (argv[++i]);
pszReplaceFieldFrom = (argv[++i]);
pszReplaceFieldTo = (argv[++i]);
}
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 );
}
if( bReplaceIds )
{
if ( ! pszReplaceFilename | ! pszReplaceFieldFrom | ! pszReplaceFieldTo )
Usage();
// FILE * ifile;
// if ( (ifile = fopen(pszReplaceFilename, "r")) == NULL )
// {
// fprintf( stderr, "Replace file %s cannot be read!\n\n", pszReplaceFilename );
// Usage();
// }
// else
// fclose( ifile );
mReplaceTable = InitReplaceTable(pszReplaceFilename,
pszReplaceFieldFrom,
pszReplaceFieldTo);
printf("TMP ET size: %d\n",(int)mReplaceTable.size());
}
/* -------------------------------------------------------------------- */
/* Attempt to open source file. */
/* -------------------------------------------------------------------- */
// hDataset = GDALOpenShared( pszSource, GA_ReadOnly );
hDataset = (GDALDataset *) GDALOpen(pszSource, GA_ReadOnly );
if( hDataset == NULL )
{
fprintf( stderr,
"GDALOpen failed - %d\n%s\n",
CPLGetLastErrorNo(), CPLGetLastErrorMsg() );
GDALDestroyDriverManager();
exit( 1 );
}
/* -------------------------------------------------------------------- */
/* Collect some information from the source file. */
/* -------------------------------------------------------------------- */
// nRasterXSize = GDALGetRasterXSize( hDataset );
// nRasterYSize = GDALGetRasterYSize( hDataset );
nRasterXSize = hDataset->GetRasterXSize();
nRasterYSize = hDataset->GetRasterYSize();
if( !bQuiet )
printf( "Input file size is %d, %d\n", nRasterXSize, nRasterYSize );
/* -------------------------------------------------------------------- */
/* Find the output driver. */
/* -------------------------------------------------------------------- */
hDriver = GetGDALDriverManager()->GetDriverByName( pszFormat );
if( hDriver == NULL )
{
int iDr;
printf( "Output driver `%s' not recognised.\n", pszFormat );
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
|| GDALGetMetadataItem( hDriver, GDAL_DCAP_CREATECOPY,
NULL ) != NULL )
{
printf( " %s: %s\n",
GDALGetDriverShortName( hDriver ),
GDALGetDriverLongName( hDriver ) );
}
}
printf( "\n" );
Usage();
GDALClose( (GDALDatasetH) hDataset );
GDALDestroyDriverManager();
CSLDestroy( argv );
CSLDestroy( papszCreateOptions );
exit( 1 );
}
/* -------------------------------------------------------------------- */
/* Create Dataset and copy info */
/* -------------------------------------------------------------------- */
nRasterCount = hDataset->GetRasterCount();
printf("creating\n");
hOutDS = hDriver->Create( pszDest, nRasterXSize, nRasterYSize,
nRasterCount, GDT_Byte, papszCreateOptions);
printf("created\n");
if( hOutDS != NULL )
{
hDataset->GetGeoTransform( adfGeoTransform);
hOutDS->SetGeoTransform( adfGeoTransform );
hOutDS->SetProjection( hDataset->GetProjectionRef() );
/* ==================================================================== */
/* Process all bands. */
/* ==================================================================== */
// if (0)
for( i = 1; i < nRasterCount+1; i++ )
{
inBand = hDataset->GetRasterBand( i );
// hOutDS->AddBand(GDT_Byte);
outBand = hOutDS->GetRasterBand( i );
CopyBandInfo( inBand, outBand, 0, 1, 1 );
nRasterXSize = inBand->GetXSize( );
nRasterYSize = inBand->GetYSize( );
GByte old_value, new_value;
// char tmp_value[255];
// const char *tmp_value2;
std::map<GByte,GByte>::iterator it;
//tmp
int nXBlocks, nYBlocks, nXBlockSize, nYBlockSize;
int iXBlock, iYBlock;
inBand->GetBlockSize( &nXBlockSize, &nYBlockSize );
// nXBlockSize = nXBlockSize / 4;
// nYBlockSize = nYBlockSize / 4;
nXBlocks = (inBand->GetXSize() + nXBlockSize - 1) / nXBlockSize;
nYBlocks = (inBand->GetYSize() + nYBlockSize - 1) / nYBlockSize;
printf("blocks: %d %d %d %d\n",nXBlockSize,nYBlockSize,nXBlocks,nYBlocks);
printf("TMP ET creating raster %d x %d\n",nRasterXSize, nRasterYSize);
// srcBuffer = new GByte[nRasterXSize * nRasterYSize];
// printf("reading\n");
// inBand->RasterIO( GF_Read, 0, 0, nRasterXSize, nRasterYSize,
// srcBuffer, nRasterXSize, nRasterYSize, GDT_Byte,
// 0, 0 );
// srcBuffer = (GByte *) CPLMalloc(sizeof(GByte)*nRasterXSize * nRasterYSize);
srcBuffer = (GByte *) CPLMalloc(nXBlockSize * nYBlockSize);
for( iYBlock = 0; iYBlock < nYBlocks; iYBlock++ )
{
// if(iYBlock%1000 == 0)
// printf("iXBlock: %d iYBlock: %d\n",iXBlock,iYBlock);
if(iYBlock%1000 == 0)
printf("iYBlock: %d / %d\n",iYBlock,nYBlocks);
for( iXBlock = 0; iXBlock < nXBlocks; iXBlock++ )
{
int nXValid, nYValid;
// inBand->ReadBlock( iXBlock, iYBlock, srcBuffer );
inBand->RasterIO( GF_Read, iXBlock, iYBlock, nXBlockSize, nYBlockSize,
srcBuffer, nXBlockSize, nYBlockSize, GDT_Byte,
0, 0 );
// Compute the portion of the block that is valid
// for partial edge blocks.
if( (iXBlock+1) * nXBlockSize > inBand->GetXSize() )
nXValid = inBand->GetXSize() - iXBlock * nXBlockSize;
else
nXValid = nXBlockSize;
if( (iYBlock+1) * nYBlockSize > inBand->GetYSize() )
nYValid = inBand->GetYSize() - iYBlock * nYBlockSize;
else
nYValid = nYBlockSize;
// printf("iXBlock: %d iYBlock: %d read, nXValid: %d nYValid: %d\n",iXBlock,iYBlock,nXValid, nYValid);
// if(0)
if ( pszReplaceFilename )
{
for( int iY = 0; iY < nYValid; iY++ )
{
for( int iX = 0; iX < nXValid; iX++ )
{
// panHistogram[pabyData[iX + iY * nXBlockSize]] += 1;
old_value = new_value = srcBuffer[iX + iY * nXBlockSize];
// sprintf(tmp_value,"%d",old_value);
it = mReplaceTable.find(old_value);
if ( it != mReplaceTable.end() ) new_value = it->second;
if ( old_value != new_value )
{
srcBuffer[iX + iY * nXBlockSize] = new_value;
// printf("old_value %d new_value %d final %d\n",old_value,new_value, srcBuffer[iX + iY * nXBlockSize]);
}
// tmp_value2 = CSVGetField( pszReplaceFilename,pszReplaceFieldFrom,
// tmp_value, CC_Integer, pszReplaceFieldTo);
// if( tmp_value2 != NULL )
// {
// new_value = atoi(tmp_value2);
// }
// new_value = old_value +1;
//
}
}
}
// printf("writing\n");
// outBand->WriteBlock( iXBlock, iYBlock, srcBuffer );
outBand->RasterIO( GF_Write, iXBlock, iYBlock, nXBlockSize, nYBlockSize,
srcBuffer, nXBlockSize, nYBlockSize, GDT_Byte,
0, 0 );
// printf("wrote\n");
}
}
CPLFree(srcBuffer);
printf("read\n");
printf("mod\n");
// if ( pszReplaceFilename )
// {
// GByte old_value, new_value;
// // char tmp_value[255];
// // const char *tmp_value2;
// std::map<GByte,GByte>::iterator it;
// for ( int j=0; j<nRasterXSize*nRasterYSize; j++ )
// {
// old_value = new_value = srcBuffer[j];
// // sprintf(tmp_value,"%d",old_value);
// it = mReplaceTable.find(old_value);
// if ( it != mReplaceTable.end() ) new_value = it->second;
// // tmp_value2 = CSVGetField( pszReplaceFilename,pszReplaceFieldFrom,
// // tmp_value, CC_Integer, pszReplaceFieldTo);
// // if( tmp_value2 != NULL )
// // {
// // new_value = atoi(tmp_value2);
// // }
// // new_value = old_value +1;
// if ( old_value != new_value ) srcBuffer[j] = new_value;
// // printf("old_value %d new_value %d final %d\n",old_value,new_value, srcBuffer[j]);
// }
// printf("writing\n");
// outBand->RasterIO( GF_Write, 0, 0, nRasterXSize, nRasterYSize,
// srcBuffer, nRasterXSize, nRasterYSize, GDT_Byte,
// 0, 0 );
// printf("wrote\n");
// delete [] srcBuffer;
// }
}
}
if( hOutDS != NULL )
GDALClose( (GDALDatasetH) hOutDS );
if( hDataset != NULL )
GDALClose( (GDALDatasetH) hDataset );
GDALDumpOpenDatasets( stderr );
// GDALDestroyDriverManager();
CSLDestroy( argv );
CSLDestroy( papszCreateOptions );
return hOutDS == NULL;
}
bool GDALUtilities::createRasterFile(QString& theFilename,
QString& theFormat,
GDALDataType theType,
int theBands,
int theRows,
int theCols,
void ** theData,
double * theGeoTransform,
const QgsCoordinateReferenceSystem * theCrs,
double theNodataValue)
{
if ( theBands <= 0 )
return false;
if ( theRows <= 0 )
return false;
if ( theCols <= 0 )
return false;
if ( !theData )
return false;
/* bool formatSupported = false;
QMapIterator<QString, QString> i(mSupportedFormats);
while (i.hasNext())
{
i.next();
if( theFormat == i.key())
{
formatSupported = true;
break;
}
}
if ( !formatSupported )
return false;
*/
//GDALAllRegister();
GDALDriver * driver;
//set format
char * format = new char[theFormat.size() + 1];
strcpy( format, theFormat.toLocal8Bit().data() );
driver = GetGDALDriverManager()->GetDriverByName(format);
if( driver == NULL )
return false;
char ** metadata = driver->GetMetadata();
if( !CSLFetchBoolean( metadata, GDAL_DCAP_CREATE, FALSE ) )
return false;
GDALDataset * dstDS;
//set options
char ** options = NULL;
options = CSLSetNameValue( options, "COMPRESS", "LZW" );
//if it is a GeoTIFF format set correct compression options
if ( !strcmp( format, "GTiff" ) )
{
if( theType == GDT_Byte )
{
options = CSLSetNameValue( options, "PREDICTOR", "1" );
}
else
{
if ( theType == GDT_UInt16 || theType == GDT_Int16
|| theType == GDT_UInt32 || theType == GDT_Int32 )
{
options = CSLSetNameValue( options, "PREDICTOR", "2" );
}
else
{
options = CSLSetNameValue( options, "PREDICTOR", "3" );
}
}
}
//set filename
char * dstFilename = new char[theFilename.size() + 1];
strcpy( dstFilename, theFilename.toLocal8Bit().data() );
dstDS = driver->Create( dstFilename, theCols, theRows, theBands, theType,
options );
delete dstFilename;
delete [] options;
//set geotransform
dstDS->SetGeoTransform( theGeoTransform );
//set CRS
char * crsWkt = new char[theCrs->toWkt().size() + 1];
strcpy( crsWkt, theCrs->toWkt().toLocal8Bit().data());
dstDS->SetProjection( crsWkt );
delete crsWkt;
GDALRasterBand * band;
for( int i=1; i <= theBands; i++ )
{
band = dstDS->GetRasterBand( i );
band->SetNoDataValue( theNodataValue );
band->RasterIO( GF_Write, 0, 0, theCols, theRows, theData[ i-1 ],
theCols, theRows, theType, 0, 0);
}
GDALClose( (GDALDatasetH) dstDS );
return true;
}
void output_geotiff ( rgb_image & out )
{
int i, r, c;
int val;
char s[2];
OGRSpatialReference ref;
GDALDataset *df;
char *wkt = NULL;
GDALRasterBand *bd;
double trans[6];
GDALDriver *gt;
char **options = NULL;
int ov[] = { 2, 4, 8, 16, 32 };
int nov;
int n;
int bands[] = { 1, 2, 3 };
char file[1000];
int block, ir, rows;
options = CSLSetNameValue ( options, "TILED", "NO" );
options = CSLSetNameValue ( options, "BLOCKXSIZE", "256" );
options = CSLSetNameValue ( options, "BLOCKYSIZE", "256" );
options = CSLSetNameValue ( options, "COMPRESS", "LZW" );
gt = GetGDALDriverManager()->GetDriverByName("GTiff");
if ( !gt ) {
fprintf(stderr,"Could not get GTiff driver\n");
exit(1);
}
strcpy ( file, p.value("output_file").c_str() );
df = gt->Create( file, out.cols, out.rows, 3, GDT_Byte, options );
if( df == NULL ) {
fprintf(stderr,"Could not create %s\n", file );
exit(1);
}
trans[0] = p.dvalue("easting_left");
trans[1] = p.dvalue("output_cell_size");
trans[2] = 0.0;
trans[3] = p.dvalue("northing_top");
trans[4] = 0.0;
trans[5] = -p.dvalue("output_cell_size");
df->SetGeoTransform ( trans );
ref.SetUTM ( p.ivalue("utm_zone") );
ref.SetWellKnownGeogCS ( "NAD27" );
ref.exportToWkt ( &wkt );
df->SetProjection(wkt);
CPLFree ( wkt );
for ( ir = 0; ir < out.rows; ir += bs ) {
rows = out.rows - ir;
if ( rows > bs ) rows = bs;
//printf("Writer waiting for %d\n",ir );
pe.wait_for("data",ir);
for ( i = 0; i < 3; i++ ) {
bd = df->GetRasterBand(i+1);
bd->RasterIO( GF_Write, 0, ir, out.cols, rows,
out.img[i].data+ir*out.cols,
out.cols, rows, GDT_Byte, 0, 0 );
}
}
delete df;
df = (GDALDataset *)GDALOpen ( file, GA_Update );
if( df == NULL ) {
fprintf(stderr,"Could not open for update %s\n", file );
exit(1);
}
nov = p.ivalue("overviews");
if ( nov > 5 ) nov = 5;
if ( nov > 0 ) {
df->BuildOverviews("NEAREST", nov, ov, 3, bands, NULL, NULL );
}
}
int main(int argc, char* argv[])
{
if (argc < 2)
{
cout << "void-filing-color <infile> <outfile>" << endl;;
exit(1);
}
const char* InFilename = argv[1];
const char* OutFilename = argv[2];
GDALAllRegister();
// Open dataset and get raster band
GDALDataset* poDataset = (GDALDataset*) GDALOpen(InFilename, GA_ReadOnly);
if(poDataset == NULL)
{
cout << "Couldn't open dataset " << InFilename << endl;
}
GDALRasterBand *poInBandr;
GDALRasterBand *poInBandg;
GDALRasterBand *poInBandb;
poInBandr = poDataset->GetRasterBand(1);
poInBandg = poDataset->GetRasterBand(2);
poInBandb = poDataset->GetRasterBand(3);
double adfGeoTransform[6];
poDataset->GetGeoTransform(adfGeoTransform);
// Get variables from input dataset
const int nXSize = poInBandr->GetXSize();
const int nYSize = poInBandr->GetYSize();
// Create the output dataset and copy over relevant metadata
const char* Format = "GTiff";
GDALDriver *poDriver = GetGDALDriverManager()->GetDriverByName(Format);
char** Options = NULL;
GDALDataset* poDS = poDriver->Create(OutFilename,nXSize,nYSize,3,GDT_Byte,Options);
poDS->SetGeoTransform(adfGeoTransform);
poDS->SetProjection(poDataset->GetProjectionRef());
GDALRasterBand* poBandr = poDS->GetRasterBand(1);
GDALRasterBand* poBandg = poDS->GetRasterBand(2);
GDALRasterBand* poBandb = poDS->GetRasterBand(3);
poBandr->SetNoDataValue(0);
poBandg->SetNoDataValue(0);
poBandb->SetNoDataValue(0);
GDALAllRegister();
cout << "Read image." << endl;
CImg<unsigned char>* ReadPixels = new CImg<unsigned char>(nXSize, nYSize, 1, 3, 0);
for (int i = 0; i < nYSize; i++) {
cout << "\r" << i << "/" << nYSize;
for (int j = 0; j < nXSize; j++) {
unsigned char InPixel;
poInBandr->RasterIO(GF_Read, j, i, 1, 1, &InPixel, 1, 1, GDT_Byte, 0, 0);
(*ReadPixels)(j, i, 0, 0) = InPixel;
poInBandg->RasterIO(GF_Read, j, i, 1, 1, &InPixel, 1, 1, GDT_Byte, 0, 0);
(*ReadPixels)(j, i, 0, 1) = InPixel;
poInBandb->RasterIO(GF_Read, j, i, 1, 1, &InPixel, 1, 1, GDT_Byte, 0, 0);
(*ReadPixels)(j, i, 0, 2) = InPixel;
}
}
cout << endl;
cout << "Void filling." << endl;
CImg<unsigned char>* InPixels = new CImg<unsigned char>(nXSize, nYSize, 1, 3, 0);
for (int i = 0; i < nYSize; i++) {
cout << "\r" << i << "/" << nYSize;
for (int j = 0; j < nXSize; j++) {
if (isEmpty(ReadPixels, j, i) && isEmpty(InPixels, j, i)) {
int is = i;
int ie = i;
int js = j;
int je = j;
const int maxsize = 2;
js = max(0, j-maxsize);
je = min(nXSize-1, j+maxsize);
is = max(0, i-maxsize);
ie = min(nYSize-1, i+maxsize);
// cout << endl << js << ", " << je << ", " << is << ", " << ie;
float fact = 0;
float sumr = 0;
float sumg = 0;
float sumb = 0;
for (int ia = is ; ia <= ie ; ia++) {
for (int ja = js ; ja <= je ; ja++) {
// cout << endl << ia << ", " << ja;
if (!isEmpty(ReadPixels, ja, ia)) {
int ik = ia - i;
int jk = ja - j;
float length = ik*ik+jk*jk;
float coef = 1/(length*length);
sumr += ((*ReadPixels)(ja, ia, 0, 0))*coef;
sumg += ((*ReadPixels)(ja, ia, 0, 1))*coef;
sumb += ((*ReadPixels)(ja, ia, 0, 2))*coef;
fact += coef;
}
}
}
// cout << endl << sumr << ", " << sumg << ", " << sumb << ", " << fact;
if (fact == 0) {
/* unsigned char InPixelr = 0xb5; // ocean blue
unsigned char InPixelg = 0xd0;
unsigned char InPixelb = 0xd0;*/
unsigned char InPixelr = 0x98; // green earth
unsigned char InPixelg = 0xd7;
unsigned char InPixelb = 0x88;
poBandr->RasterIO(GF_Write, j, i, 1, 1, &InPixelr, 1, 1, GDT_Byte, 0, 0);
poBandg->RasterIO(GF_Write, j, i, 1, 1, &InPixelg, 1, 1, GDT_Byte, 0, 0);
poBandb->RasterIO(GF_Write, j, i, 1, 1, &InPixelb, 1, 1, GDT_Byte, 0, 0);
}
else {
unsigned char InPixelr = (unsigned char)(sumr / fact);
unsigned char InPixelg = (unsigned char)(sumg / fact);
unsigned char InPixelb = (unsigned char)(sumb / fact);
poBandr->RasterIO(GF_Write, j, i, 1, 1, &InPixelr, 1, 1, GDT_Byte, 0, 0);
poBandg->RasterIO(GF_Write, j, i, 1, 1, &InPixelg, 1, 1, GDT_Byte, 0, 0);
poBandb->RasterIO(GF_Write, j, i, 1, 1, &InPixelb, 1, 1, GDT_Byte, 0, 0);
}
}
else if (!isEmpty(ReadPixels, j, i)) {
unsigned char InPixelr = (*ReadPixels)(j, i, 0, 0);
unsigned char InPixelg = (*ReadPixels)(j, i, 0, 1);
unsigned char InPixelb = (*ReadPixels)(j, i, 0, 2);
poBandr->RasterIO(GF_Write, j, i, 1, 1, &InPixelr, 1, 1, GDT_Byte, 0, 0);
poBandg->RasterIO(GF_Write, j, i, 1, 1, &InPixelg, 1, 1, GDT_Byte, 0, 0);
poBandb->RasterIO(GF_Write, j, i, 1, 1, &InPixelb, 1, 1, GDT_Byte, 0, 0);
}
}
}
cout << endl;
delete poDS;
return 0;
}
int Raster::Copy(const char * pOutputRaster,
double * dNewCellSize,
double fLeft, double fTop, int nRows, int nCols)
{
if (fLeft <=0)
return LEFT_ERROR;
if (fTop <=0)
return TOP_ERROR;
if (nRows <=0)
return ROWS_ERROR;
if (nCols <=0)
return COLS_ERROR;
// Open the original dataset
GDALDataset * pDSOld = (GDALDataset*) GDALOpen(m_sFilePath, GA_ReadOnly);
if (pDSOld == NULL)
return INPUT_FILE_ERROR;
GDALRasterBand * pRBInput = pDSOld->GetRasterBand(1);
/* Create the new dataset. Determine the driver from the output file extension.
* Enforce LZW compression for TIFs. The predictor 3 is used for floating point prediction.
* Not using this value defaults the LZW to prediction to 1 which causes striping.
*/
char **papszOptions = NULL;
GDALDriver * pDR = NULL;
std::string psDR = "";
const char * pSuffix = ExtractFileExt(pOutputRaster);
if (pSuffix == NULL)
return OUTPUT_FILE_EXT_ERROR;
else
{
if (strcmp(pSuffix, ".tif") == 0)
{
psDR = "GTiff";
pDR = GetGDALDriverManager()->GetDriverByName(psDR.c_str());
papszOptions = CSLSetNameValue(papszOptions, "COMPRESS", "LZW");
//papszOptions = CSLSetNameValue(papszOptions, "PREDICTOR", "3");
}
else if (strcmp(pSuffix, ".img") == 0){
psDR = "HFA";
pDR = GetGDALDriverManager()->GetDriverByName(psDR.c_str());
}
else
return OUTPUT_UNHANDLED_DRIVER;
}
double dNewCellHeight = (*dNewCellSize) * -1;
RasterMeta OutputMeta(fTop, fLeft, nRows, nCols, &dNewCellHeight,
dNewCellSize, GetNoDataValuePtr(), psDR.c_str(), GetGDALDataType(), GetProjectionRef() );
//const char * pC = pDR->GetDescription();
GDALDataset * pDSOutput = pDR->Create(pOutputRaster, nCols, nRows, 1, *GetGDALDataType(), papszOptions);
CSLDestroy( papszOptions );
if (pDSOutput == NULL)
return OUTPUT_FILE_ERROR;
if (HasNoDataValue())
{
CPLErr er = pDSOutput->GetRasterBand(1)->SetNoDataValue(GetNoDataValue());
if (er == CE_Failure || er == CE_Fatal)
return OUTPUT_NO_DATA_ERROR;
}
pDSOutput->SetGeoTransform(OutputMeta.GetGeoTransform());
pDSOutput->SetProjection(pDSOld->GetProjectionRef());
int nInputCols = pRBInput->GetXSize();
int nInputRows = pRBInput->GetYSize();
double * pInputLine = (double *) CPLMalloc(sizeof(double)*nInputCols);
double * pOutputLine = (double *) CPLMalloc(sizeof(double)*pDSOutput->GetRasterBand(1)->GetXSize());
int nRowTrans = GetRowTranslation(&OutputMeta);
int nColTrans = GetColTranslation(&OutputMeta);
/*
* Loop over the raster rows. Note that geographic coordinate origin is bottom left. But
* the GDAL image anchor is top left. The cell height is negative.
*
* The loop is over the centres of the output raster cells. Two rows are read from the
* input raster. The line just above the output cell and the line just below. The line
* just above is called the "anchor" row.
*/
int nOldRow, nOldCol;
int i, j;
for (i = 0; i < nRows; i++)
{
nOldRow = i - nRowTrans;
if (nOldRow >= 0 && nOldRow < nInputRows)
{
pRBInput->RasterIO(GF_Read, 0, nOldRow, nInputCols, 1, pInputLine, nInputCols, 1, GDT_Float64, 0, 0);
for (j = 0; j < nCols; j++)
{
nOldCol = j + nColTrans;
if (nOldCol >=0 && nOldCol < nInputCols)
{
pOutputLine[j] = pInputLine[nOldCol];
}
else
{
if (HasNoDataValue()) {
pOutputLine[j] = GetNoDataValue();
}
else
{
pOutputLine[j] = 0;
}
}
}
}
else
{
// Outside the bounds of the input image. Loop over all cells in current output row and set to NoData.
for (j = 0; j < nCols; j++)
{
pOutputLine[j] = GetNoDataValue();
}
}
pDSOutput->GetRasterBand(1)->RasterIO(GF_Write, 0, i,
pDSOutput->GetRasterBand(1)->GetXSize(), 1,
pOutputLine,
pDSOutput->GetRasterBand(1)->GetXSize(), 1,
GDT_Float64, 0, 0);
}
CPLFree(pInputLine);
CPLFree(pOutputLine);
CalculateStats(pDSOutput->GetRasterBand(1));
GDALClose(pDSOld);
GDALClose(pDSOutput);
GDALDumpOpenDatasets(stderr);
return PROCESS_OK;
}
GDALDataset *SAGADataset::CreateCopy( const char *pszFilename,
GDALDataset *poSrcDS,
int bStrict, char **papszOptions,
GDALProgressFunc pfnProgress,
void *pProgressData )
{
if( pfnProgress == NULL )
pfnProgress = GDALDummyProgress;
int nBands = poSrcDS->GetRasterCount();
if (nBands == 0)
{
CPLError( CE_Failure, CPLE_NotSupported,
"SAGA driver does not support source dataset with zero band.\n");
return NULL;
}
else if (nBands > 1)
{
if( bStrict )
{
CPLError( CE_Failure, CPLE_NotSupported,
"Unable to create copy, SAGA Binary Grid "
"format only supports one raster band.\n" );
return NULL;
}
else
CPLError( CE_Warning, CPLE_NotSupported,
"SAGA Binary Grid format only supports one "
"raster band, first band will be copied.\n" );
}
GDALRasterBand *poSrcBand = poSrcDS->GetRasterBand( 1 );
char** papszCreateOptions = NULL;
papszCreateOptions = CSLSetNameValue(papszCreateOptions, "FILL_NODATA", "NO");
int bHasNoDataValue = FALSE;
double dfNoDataValue = poSrcBand->GetNoDataValue(&bHasNoDataValue);
if (bHasNoDataValue)
papszCreateOptions = CSLSetNameValue(papszCreateOptions, "NODATA_VALUE",
CPLSPrintf("%.16g", dfNoDataValue));
GDALDataset* poDstDS =
Create(pszFilename, poSrcBand->GetXSize(), poSrcBand->GetYSize(),
1, poSrcBand->GetRasterDataType(), papszCreateOptions);
CSLDestroy(papszCreateOptions);
if (poDstDS == NULL)
return NULL;
/* -------------------------------------------------------------------- */
/* Copy band data. */
/* -------------------------------------------------------------------- */
CPLErr eErr;
eErr = GDALDatasetCopyWholeRaster( (GDALDatasetH) poSrcDS,
(GDALDatasetH) poDstDS,
NULL,
pfnProgress, pProgressData );
if (eErr == CE_Failure)
{
delete poDstDS;
return NULL;
}
double adfGeoTransform[6];
poSrcDS->GetGeoTransform( adfGeoTransform );
poDstDS->SetGeoTransform( adfGeoTransform );
poDstDS->SetProjection( poSrcDS->GetProjectionRef() );
return poDstDS;
}
OGRErr PDFWritableVectorDataset::SyncToDisk()
{
if (nLayers == 0 || !bModified)
return OGRERR_NONE;
bModified = FALSE;
OGREnvelope sGlobalExtent;
int bHasExtent = FALSE;
for(int i=0;i<nLayers;i++)
{
OGREnvelope sExtent;
if (papoLayers[i]->GetExtent(&sExtent) == OGRERR_NONE)
{
bHasExtent = TRUE;
sGlobalExtent.Merge(sExtent);
}
}
if (!bHasExtent ||
sGlobalExtent.MinX == sGlobalExtent.MaxX ||
sGlobalExtent.MinY == sGlobalExtent.MaxY)
{
CPLError(CE_Failure, CPLE_AppDefined,
"Cannot compute spatial extent of features");
return OGRERR_FAILURE;
}
PDFCompressMethod eStreamCompressMethod = COMPRESS_DEFLATE;
const char* pszStreamCompressMethod = CSLFetchNameValue(papszOptions, "STREAM_COMPRESS");
if (pszStreamCompressMethod)
{
if( EQUAL(pszStreamCompressMethod, "NONE") )
eStreamCompressMethod = COMPRESS_NONE;
else if( EQUAL(pszStreamCompressMethod, "DEFLATE") )
eStreamCompressMethod = COMPRESS_DEFLATE;
else
{
CPLError( CE_Warning, CPLE_NotSupported,
"Unsupported value for STREAM_COMPRESS.");
}
}
const char* pszGEO_ENCODING =
CSLFetchNameValueDef(papszOptions, "GEO_ENCODING", "ISO32000");
double dfDPI = CPLAtof(CSLFetchNameValueDef(papszOptions, "DPI", "72"));
if (dfDPI < 72.0)
dfDPI = 72.0;
const char* pszNEATLINE = CSLFetchNameValue(papszOptions, "NEATLINE");
int nMargin = atoi(CSLFetchNameValueDef(papszOptions, "MARGIN", "0"));
PDFMargins sMargins;
sMargins.nLeft = nMargin;
sMargins.nRight = nMargin;
sMargins.nTop = nMargin;
sMargins.nBottom = nMargin;
const char* pszLeftMargin = CSLFetchNameValue(papszOptions, "LEFT_MARGIN");
if (pszLeftMargin) sMargins.nLeft = atoi(pszLeftMargin);
const char* pszRightMargin = CSLFetchNameValue(papszOptions, "RIGHT_MARGIN");
if (pszRightMargin) sMargins.nRight = atoi(pszRightMargin);
const char* pszTopMargin = CSLFetchNameValue(papszOptions, "TOP_MARGIN");
if (pszTopMargin) sMargins.nTop = atoi(pszTopMargin);
const char* pszBottomMargin = CSLFetchNameValue(papszOptions, "BOTTOM_MARGIN");
if (pszBottomMargin) sMargins.nBottom = atoi(pszBottomMargin);
const char* pszExtraImages = CSLFetchNameValue(papszOptions, "EXTRA_IMAGES");
const char* pszExtraStream = CSLFetchNameValue(papszOptions, "EXTRA_STREAM");
const char* pszExtraLayerName = CSLFetchNameValue(papszOptions, "EXTRA_LAYER_NAME");
const char* pszOGRDisplayField = CSLFetchNameValue(papszOptions, "OGR_DISPLAY_FIELD");
const char* pszOGRDisplayLayerNames = CSLFetchNameValue(papszOptions, "OGR_DISPLAY_LAYER_NAMES");
int bWriteOGRAttributes = CSLFetchBoolean(papszOptions, "OGR_WRITE_ATTRIBUTES", TRUE);
const char* pszOGRLinkField = CSLFetchNameValue(papszOptions, "OGR_LINK_FIELD");
const char* pszOffLayers = CSLFetchNameValue(papszOptions, "OFF_LAYERS");
const char* pszExclusiveLayers = CSLFetchNameValue(papszOptions, "EXCLUSIVE_LAYERS");
const char* pszJavascript = CSLFetchNameValue(papszOptions, "JAVASCRIPT");
const char* pszJavascriptFile = CSLFetchNameValue(papszOptions, "JAVASCRIPT_FILE");
/* -------------------------------------------------------------------- */
/* Create file. */
/* -------------------------------------------------------------------- */
VSILFILE* fp = VSIFOpenL(GetDescription(), "wb");
if( fp == NULL )
{
CPLError( CE_Failure, CPLE_OpenFailed,
"Unable to create PDF file %s.\n",
GetDescription() );
return OGRERR_FAILURE;
}
GDALPDFWriter oWriter(fp);
double dfRatio = (sGlobalExtent.MaxY - sGlobalExtent.MinY) / (sGlobalExtent.MaxX - sGlobalExtent.MinX);
int nWidth, nHeight;
if (dfRatio < 1)
{
nWidth = 1024;
nHeight = nWidth * dfRatio;
}
else
{
nHeight = 1024;
nWidth = nHeight / dfRatio;
}
GDALDataset* poSrcDS = MEMDataset::Create( "MEM:::", nWidth, nHeight, 0, GDT_Byte, NULL );
double adfGeoTransform[6];
adfGeoTransform[0] = sGlobalExtent.MinX;
adfGeoTransform[1] = (sGlobalExtent.MaxX - sGlobalExtent.MinX) / nWidth;
adfGeoTransform[2] = 0;
adfGeoTransform[3] = sGlobalExtent.MaxY;
adfGeoTransform[4] = 0;
adfGeoTransform[5] = - (sGlobalExtent.MaxY - sGlobalExtent.MinY) / nHeight;
poSrcDS->SetGeoTransform(adfGeoTransform);
OGRSpatialReference* poSRS = papoLayers[0]->GetSpatialRef();
if (poSRS)
{
char* pszWKT = NULL;
poSRS->exportToWkt(&pszWKT);
poSrcDS->SetProjection(pszWKT);
CPLFree(pszWKT);
}
oWriter.SetInfo(poSrcDS, papszOptions);
oWriter.StartPage(poSrcDS,
dfDPI,
pszGEO_ENCODING,
pszNEATLINE,
&sMargins,
eStreamCompressMethod,
bWriteOGRAttributes);
int iObj = 0;
char** papszLayerNames = CSLTokenizeString2(pszOGRDisplayLayerNames,",",0);
for(int i=0;i<nLayers;i++)
{
CPLString osLayerName;
if (CSLCount(papszLayerNames) < nLayers)
osLayerName = papoLayers[i]->GetName();
else
osLayerName = papszLayerNames[i];
oWriter.WriteOGRLayer((OGRDataSourceH)this,
i,
pszOGRDisplayField,
pszOGRLinkField,
osLayerName,
bWriteOGRAttributes,
iObj);
}
CSLDestroy(papszLayerNames);
oWriter.EndPage(pszExtraImages,
pszExtraStream,
pszExtraLayerName,
pszOffLayers,
pszExclusiveLayers);
if (pszJavascript)
oWriter.WriteJavascript(pszJavascript);
else if (pszJavascriptFile)
oWriter.WriteJavascriptFile(pszJavascriptFile);
oWriter.Close();
delete poSrcDS;
return OGRERR_NONE;
}
/***************************************************************************************************************************************
* 利用源数据文件所在文件夹(sSrcFolder)、文件名前缀(sFileNamePrefix)，以及波段列表(nBands)来拼接出源数据文件完整文件名，
* 对三个波段进行裁剪，然后拼接保存为jpg格式的文件输出；
****************************************************************************************************************************************/
int CGenerateQuickView::CutImages(std::string sSrcFolder, std::string sFileNamePrefix, int* nBands, std::string sDstFile, double *pdVect)
{
GDALAllRegister() ;
GDALDataset *poSrcDs = NULL ;
GDALDataset *poDstDs = NULL ;
GDALDataset *pMemDs = NULL ;
std::string sSrcFile ;
cv::Rect srcRect, dstRect ; // 输入影像感兴趣的区域，输出影像感兴趣区域
int cols, rows ; // 输出影像行列数
GDALDataType dT ; // 打开影像的数据类型
double dDstGeoTrans[6] ; // 输出影像放射变幻参数
std::string sWKT ; // 输入影像投影参数
// 从Landsat或者modis的三个波段文件中读取波段，获取相关范围的影像，然后放入输出文件中
int i ;
for (i=0; i<3; i++)
{
char buffer[200] ;
sprintf(buffer, "%s%s_band%d.img", sSrcFolder.c_str(), sFileNamePrefix.c_str(), nBands[i]) ;
sSrcFile = buffer ;
poSrcDs = (GDALDataset *)GDALOpen(sSrcFile.c_str(), GA_ReadOnly) ;
if (poSrcDs == NULL)
{
return -1 ;
}
if ( i==0 )
{
// 获取原图像的基本信息
int iCols = poSrcDs->GetRasterXSize() ;
int iRows = poSrcDs->GetRasterYSize() ;
int iBands = poSrcDs->GetRasterCount() ;
dT = poSrcDs->GetRasterBand(1)->GetRasterDataType() ;
double dGeoTrans[6] ;
poSrcDs->GetGeoTransform(dGeoTrans) ;
double dPixelX = abs(dGeoTrans[1]) ;
double dPixelY = abs(dGeoTrans[5]) ;
sWKT = poSrcDs->GetProjectionRef() ;
// 获取原图像覆盖范围
double dSrcRect[4] ;
dSrcRect[0] = dGeoTrans[0] ;
dSrcRect[2] = dGeoTrans[3] ;
CUtility::ImageRowCol2Projection(dGeoTrans, iCols, iRows, dSrcRect[1], dSrcRect[3]) ;
double dValidRect[4] ;
dValidRect[0] = pdVect[0] > dSrcRect[0] ? pdVect[0] : dSrcRect[0] ;
dValidRect[1] = pdVect[1] < dSrcRect[1] ? pdVect[1] : dSrcRect[1] ;
dValidRect[2] = pdVect[2] < dSrcRect[2] ? pdVect[2] : dSrcRect[2] ;
dValidRect[3] = pdVect[3] > dSrcRect[3] ? pdVect[3] : dSrcRect[3] ;
// 判断是否是有效区域
if (dValidRect[0]>dValidRect[1] || dValidRect[2]<dValidRect[3])
{
return -1 ;
}
int colrow[4] ; // (0,2)有效区域左上角点对应原图行列号，(1,3)有效区域相对于输出图像行列号
CUtility::Projection2ImageRowCol(dGeoTrans, dValidRect[0], dValidRect[2], colrow[0], colrow[2]) ;
srcRect.x = colrow[0] ;
srcRect.y = colrow[2] ;
srcRect.width = static_cast<int>( ((dValidRect[1]-dValidRect[0]) + dPixelX/2)/dPixelX ) ;
srcRect.height = static_cast<int>( ((dValidRect[2]-dValidRect[3]) + dPixelY/2)/dPixelY ) ;
dstRect.width = srcRect.width ;
dstRect.height = srcRect.height ;
// 然后计算目标图像所在矩阵的起始位置(x, y)
memcpy(dDstGeoTrans, dGeoTrans, 6*sizeof(double)) ;
dDstGeoTrans[0] = pdVect[0] ;
dDstGeoTrans[3] = pdVect[2] ;
CUtility::Projection2ImageRowCol(dDstGeoTrans, dValidRect[0], dValidRect[2], colrow[1], colrow[3]) ;
dstRect.x = colrow[1] ;
dstRect.y = colrow[3] ;
// 计算输出影像行列号
cols = static_cast<int>( (pdVect[1]-pdVect[0]+dPixelX/2)/dPixelX ) ;
rows = static_cast<int>( (pdVect[2]-pdVect[3]+dPixelY/2)/dPixelY ) ;
// 打开输出影像的GDALDataset: jpeg 只支持8bits或者12bit数据类型
pMemDs = GetGDALDriverManager()->GetDriverByName("MEM")->Create("", cols, rows, 3, GDT_Byte, NULL) ; // 将dT修改为GDT_Byte
if(NULL==pMemDs)
{
return -1 ;
}
} // if(i==0)
// 将目标GDALDataset的对应波段填充为FILLEDVALUE
cv::Mat filledValueMat(rows, cols, CUtility::OpencvDataType(dT)) ;
filledValueMat = FILLEDVALUE ;
CUtility::RasterDataIO( pMemDs, i+1, GF_Write, cv::Rect(0,0,cols, rows), filledValueMat) ;
filledValueMat.release() ;
// 开始取值，复制至指定位置
cv::Mat validMat(srcRect.height, srcRect.width ,CUtility::OpencvDataType(dT)) ;
cv::Mat validMat_Byte(srcRect.height, srcRect.width ,CV_8U) ;
double dMin, dMax ;
CUtility::RasterDataIO( poSrcDs, 1, GF_Read, srcRect, validMat ) ;
cv::minMaxLoc(validMat, &dMin, &dMax) ;
if (dMax==dMin)
{
validMat.release() ;
validMat_Byte = 0 ;
CUtility::RasterDataIO( pMemDs, i+1, GF_Write, dstRect, validMat_Byte) ;
continue;
}
// 数据拉伸至0-255
validMat = (validMat-dMin)/(dMax-dMin)*255 ;
validMat.convertTo(validMat_Byte, CV_8U) ;
validMat.release() ;
CUtility::RasterDataIO( pMemDs, i+1, GF_Write, dstRect, validMat_Byte) ;
validMat_Byte.release() ;
// 关闭输入影像
GDALClose((GDALDatasetH)poSrcDs) ;
} // for i
poDstDs = GetGDALDriverManager()->GetDriverByName("JPEG")->CreateCopy(sDstFile.c_str(), pMemDs, 0, NULL, NULL, NULL) ;
if (NULL==poDstDs)
{
return -1 ;
}
poDstDs->SetGeoTransform(dDstGeoTrans) ;
poDstDs->SetProjection(sWKT.c_str()) ;
GDALClose((GDALDatasetH)pMemDs) ;
GDALClose((GDALDatasetH)poDstDs) ;
return 0;
}
// Slot called when the menu item is triggered
// If you created more menu items / toolbar buttons in initiGui, you should
// create a separate handler for each action - this single run() method will
// not be enough
void Heatmap::run()
{
HeatmapGui d( mQGisIface->mainWindow(), QgisGui::ModalDialogFlags, &mSessionSettings );
if ( d.exec() == QDialog::Accepted )
{
// everything runs here
// Get the required data from the dialog
QgsRectangle myBBox = d.bbox();
int columns = d.columns();
int rows = d.rows();
double cellsize = d.cellSizeX(); // or d.cellSizeY(); both have the same value
mDecay = d.decayRatio();
int kernelShape = d.kernelShape();
// Start working on the input vector
QgsVectorLayer* inputLayer = d.inputVectorLayer();
// Getting the rasterdataset in place
GDALAllRegister();
GDALDataset *emptyDataset;
GDALDriver *myDriver;
myDriver = GetGDALDriverManager()->GetDriverByName( d.outputFormat().toUtf8() );
if ( myDriver == NULL )
{
QMessageBox::information( 0, tr( "GDAL driver error" ), tr( "Cannot open the driver for the specified format" ) );
return;
}
double geoTransform[6] = { myBBox.xMinimum(), cellsize, 0, myBBox.yMinimum(), 0, cellsize };
emptyDataset = myDriver->Create( d.outputFilename().toUtf8(), columns, rows, 1, GDT_Float32, NULL );
emptyDataset->SetGeoTransform( geoTransform );
// Set the projection on the raster destination to match the input layer
emptyDataset->SetProjection( inputLayer->crs().toWkt().toLocal8Bit().data() );
GDALRasterBand *poBand;
poBand = emptyDataset->GetRasterBand( 1 );
poBand->SetNoDataValue( NO_DATA );
float* line = ( float * ) CPLMalloc( sizeof( float ) * columns );
for ( int i = 0; i < columns ; i++ )
{
line[i] = NO_DATA;
}
// Write the empty raster
for ( int i = 0; i < rows ; i++ )
{
poBand->RasterIO( GF_Write, 0, i, columns, 1, line, columns, 1, GDT_Float32, 0, 0 );
}
CPLFree( line );
//close the dataset
GDALClose(( GDALDatasetH ) emptyDataset );
// open the raster in GA_Update mode
GDALDataset *heatmapDS;
heatmapDS = ( GDALDataset * ) GDALOpen( d.outputFilename().toUtf8(), GA_Update );
if ( !heatmapDS )
{
QMessageBox::information( 0, tr( "Raster update error" ), tr( "Could not open the created raster for updating. The heatmap was not generated." ) );
return;
}
poBand = heatmapDS->GetRasterBand( 1 );
QgsAttributeList myAttrList;
int rField = 0;
int wField = 0;
// Handle different radius options
double radius;
double radiusToMapUnits = 1;
int myBuffer = 0;
if ( d.variableRadius() )
{
rField = d.radiusField();
myAttrList.append( rField );
QgsDebugMsg( QString( "Radius Field index received: %1" ).arg( rField ) );
// If not using map units, then calculate a conversion factor to convert the radii to map units
if ( d.radiusUnit() == HeatmapGui::Meters )
{
radiusToMapUnits = mapUnitsOf( 1, inputLayer->crs() );
}
}
else
{
radius = d.radius(); // radius returned by d.radius() is already in map units
myBuffer = bufferSize( radius, cellsize );
}
if ( d.weighted() )
{
wField = d.weightField();
myAttrList.append( wField );
}
// This might have attributes or mightnot have attibutes at all
// based on the variableRadius() and weighted()
QgsFeatureIterator fit = inputLayer->getFeatures( QgsFeatureRequest().setSubsetOfAttributes( myAttrList ) );
int totalFeatures = inputLayer->featureCount();
int counter = 0;
QProgressDialog p( tr( "Creating heatmap" ), tr( "Abort" ), 0, totalFeatures, mQGisIface->mainWindow() );
p.setWindowModality( Qt::ApplicationModal );
p.show();
QgsFeature myFeature;
while ( fit.nextFeature( myFeature ) )
{
counter++;
p.setValue( counter );
QApplication::processEvents();
if ( p.wasCanceled() )
{
QMessageBox::information( 0, tr( "Heatmap generation aborted" ), tr( "QGIS will now load the partially-computed raster." ) );
break;
}
QgsGeometry* myPointGeometry;
myPointGeometry = myFeature.geometry();
// convert the geometry to point
QgsPoint myPoint;
myPoint = myPointGeometry->asPoint();
// avoiding any empty points or out of extent points
if (( myPoint.x() < myBBox.xMinimum() ) || ( myPoint.y() < myBBox.yMinimum() )
|| ( myPoint.x() > myBBox.xMaximum() ) || ( myPoint.y() > myBBox.yMaximum() ) )
{
continue;
}
// If radius is variable then fetch it and calculate new pixel buffer size
if ( d.variableRadius() )
{
radius = myFeature.attribute( rField ).toDouble() * radiusToMapUnits;
myBuffer = bufferSize( radius, cellsize );
}
int blockSize = 2 * myBuffer + 1; //Block SIDE would be more appropriate
// calculate the pixel position
unsigned int xPosition, yPosition;
xPosition = (( myPoint.x() - myBBox.xMinimum() ) / cellsize ) - myBuffer;
yPosition = (( myPoint.y() - myBBox.yMinimum() ) / cellsize ) - myBuffer;
// get the data
float *dataBuffer = ( float * ) CPLMalloc( sizeof( float ) * blockSize * blockSize );
poBand->RasterIO( GF_Read, xPosition, yPosition, blockSize, blockSize,
dataBuffer, blockSize, blockSize, GDT_Float32, 0, 0 );
double weight = 1.0;
if ( d.weighted() )
{
weight = myFeature.attribute( wField ).toDouble();
}
for ( int xp = 0; xp <= myBuffer; xp++ )
{
for ( int yp = 0; yp <= myBuffer; yp++ )
{
double distance = sqrt( pow( xp, 2.0 ) + pow( yp, 2.0 ) );
// is pixel outside search bandwidth of feature?
if ( distance > myBuffer )
{
continue;
}
double pixelValue = weight * calculateKernelValue( distance, myBuffer, kernelShape );
// clearing anamolies along the axes
if ( xp == 0 && yp == 0 )
{
pixelValue /= 4;
}
else if ( xp == 0 || yp == 0 )
{
pixelValue /= 2;
}
int pos[4];
pos[0] = ( myBuffer + xp ) * blockSize + ( myBuffer + yp );
pos[1] = ( myBuffer + xp ) * blockSize + ( myBuffer - yp );
pos[2] = ( myBuffer - xp ) * blockSize + ( myBuffer + yp );
pos[3] = ( myBuffer - xp ) * blockSize + ( myBuffer - yp );
for ( int p = 0; p < 4; p++ )
{
if ( dataBuffer[ pos[p] ] == NO_DATA )
{
dataBuffer[ pos[p] ] = 0;
}
dataBuffer[ pos[p] ] += pixelValue;
}
}
}
poBand->RasterIO( GF_Write, xPosition, yPosition, blockSize, blockSize,
dataBuffer, blockSize, blockSize, GDT_Float32, 0, 0 );
CPLFree( dataBuffer );
}
// Finally close the dataset
GDALClose(( GDALDatasetH ) heatmapDS );
// Open the file in QGIS window
mQGisIface->addRasterLayer( d.outputFilename(), QFileInfo( d.outputFilename() ).baseName() );
}
}
/*
* Algorithm taken from: http://www.quantdec.com/SYSEN597/GTKAV/section9/map_algebra.htm
*
*/
int Raster::ReSample(const char * pOutputRaster, double fNewCellSize,
double fNewLeft, double fNewTop, int nNewRows, int nNewCols)
{
if (fNewCellSize <= 0)
return CELL_SIZE_ERROR;
if (fNewLeft <=0)
return LEFT_ERROR;
if (fNewTop <=0)
return TOP_ERROR;
if (nNewRows <=0)
return ROWS_ERROR;
if (nNewCols <=0)
return COLS_ERROR;
/*************************************************************************************************
* Open the original dataset and retrieve its basic properties
*/
GDALDataset * pDSOld = (GDALDataset*) GDALOpen(m_sFilePath, GA_ReadOnly);
if (pDSOld == NULL)
return INPUT_FILE_ERROR;
GDALRasterBand * pRBInput = pDSOld->GetRasterBand(1);
/*************************************************************************************************
* Create the new dataset. Determine the driver from the output file extension.
* Enforce LZW compression for TIFs. The predictor 3 is used for floating point prediction.
* Not using this value defaults the LZW to prediction to 1 which causes striping.
*/
char **papszOptions = NULL;
GDALDriver * pDR = NULL;
const char * pSuffix = ExtractFileExt(pOutputRaster);
if (pSuffix == NULL)
return OUTPUT_FILE_EXT_ERROR;
else
{
if (strcmp(pSuffix, ".tif") == 0)
{
pDR = GetGDALDriverManager()->GetDriverByName("GTiff");
papszOptions = CSLSetNameValue(papszOptions, "COMPRESS", "LZW");
//papszOptions = CSLSetNameValue(papszOptions, "PREDICTOR", "3");
}
else if (strcmp(pSuffix, ".img") == 0)
pDR = GetGDALDriverManager()->GetDriverByName("HFA");
else
return OUTPUT_UNHANDLED_DRIVER;
}
GDALDataset * pDSOutput = pDR->Create(pOutputRaster, nNewCols, nNewRows, 1, *GetGDALDataType(), papszOptions);
CSLDestroy( papszOptions );
if (pDSOutput == NULL)
return OUTPUT_FILE_ERROR;
GDALRasterBand * pRBOutput = pDSOutput->GetRasterBand(1);
if (HasNoDataValue())
{
CPLErr er = pRBOutput->SetNoDataValue(this->GetNoDataValue());
if (er == CE_Failure || er == CE_Fatal)
return OUTPUT_NO_DATA_ERROR;
}
double newTransform[6];
newTransform[0] = fNewLeft;
newTransform[1] = fNewCellSize;
newTransform[2] = 0;
newTransform[3] = fNewTop;
newTransform[4] = 0;
newTransform[5] = -1 * fNewCellSize;
pDSOutput->SetGeoTransform(newTransform);
pDSOutput->SetProjection(GetProjectionRef());
ReSampleRaster(pRBInput, pRBOutput, fNewCellSize, fNewLeft, fNewTop, nNewRows, nNewCols);
CalculateStats(pDSOutput->GetRasterBand(1));
GDALClose(pDSOld);
GDALClose(pDSOutput);
return PROCESS_OK;
}
//virtual method that will be executed
void executeAlgorithm(AlgorithmData& data, AlgorithmContext& context)
{
//****define algorithm here****
//open native message block
std::string nativeHdr="\n*************************NATIVE_OUTPUT*************************\n";
std::cout<<nativeHdr<<std::endl;
//open image files
// input/output directory names specified in configuration file
Dataset* input = data.getInputDataset("imagesIn");
Dataset* output = data.getOutputDataset("imagesOut");
//get keyspace elements (files in directory by dimension)
Keyspace keyspace = data.getKeyspace();
std::vector<DataKeyElement> names = keyspace.getKeyspaceDimension(DataKeyDimension("NAME")).getElements();
//... iterate through keys and do work ...
for ( std::vector<DataKeyElement>::iterator n=names.begin(); n != names.end(); n++ )
{
//print dimension name to stdout
std::cout<<*n<<std::endl;
//get multispectral data
DataKey skyKey = *n;
DataFile* skyFile = input->getDataFile(skyKey);
//unique name for an in-memory GDAL file
std::string inputFileName = skyKey.toName("__")+"_input";
//get gdal dataset
GDALMemoryFile inputMemFile(inputFileName, *skyFile);
GDALDataset * skyDataset = inputMemFile.getGDALDataset();
//get gdal bands
GDALRasterBand * blueBand = skyDataset->GetRasterBand(1);
GDALRasterBand * greenBand = skyDataset->GetRasterBand(2);
GDALRasterBand * redBand = skyDataset->GetRasterBand(3);
GDALRasterBand * nirBand = skyDataset->GetRasterBand(4);
//create memory buffers to hold bands
int nXSize = redBand->GetXSize();
int nYSize = redBand->GetYSize();
uint16_t * bufferBlue = (uint16_t *) CPLMalloc(sizeof(uint16_t)*nXSize*nYSize);
uint16_t * bufferGreen = (uint16_t *) CPLMalloc(sizeof(uint16_t)*nXSize*nYSize);
uint16_t * bufferRed = (uint16_t *) CPLMalloc(sizeof(uint16_t)*nXSize*nYSize);
uint16_t * bufferNIR = (uint16_t *) CPLMalloc(sizeof(uint16_t)*nXSize*nYSize);
//output
uint16_t * bufferClass = (uint16_t *) CPLMalloc(sizeof(uint16_t)*nXSize*nYSize);
//gdal read bands into buffer
blueBand->RasterIO( GF_Read, 0, 0, nXSize, nYSize,
bufferBlue, nXSize , nYSize, GDT_UInt16, 0, 0 );
greenBand->RasterIO( GF_Read, 0, 0, nXSize, nYSize,
bufferGreen, nXSize , nYSize, GDT_UInt16, 0, 0 );
redBand->RasterIO( GF_Read, 0, 0, nXSize, nYSize,
bufferRed, nXSize , nYSize, GDT_UInt16, 0, 0 );
nirBand->RasterIO( GF_Read, 0, 0, nXSize, nYSize,
bufferNIR, nXSize , nYSize, GDT_UInt16, 0, 0 );
//classify pixels
for (int i=0 ; i < nXSize*nYSize ; i++ )
{
//unclassified
uint16_t pixelClass = 0;
if (bufferBlue[i]>0 && bufferGreen[i]>0 && bufferRed[i]>0 && bufferNIR[i]>0 )
{
//ground
pixelClass = 1;
//classify pixels
double ndvi = ((double)bufferNIR[i]-(double)bufferRed[i])/((double)bufferNIR[i]+(double)bufferRed[i]);
double water = ((double)bufferBlue[i]-(double)bufferRed[i])/(double)(bufferRed[i]+(double)bufferBlue[i]);
if ( ndvi>0.1 )
{
//vegetation
pixelClass = 128;
}
else if (water > 0.1 )
{
//water
pixelClass = 256;
}
}
//write to buffer
bufferClass[i]=pixelClass;
}
// create in memory storage for GDAL output file
std::string outputFileName = skyKey.toName("__")+"_output";
GDALMemoryFile outMemFile(outputFileName);
// create the output dataset
GDALDataset* outDataset = newGDALDataset(
outMemFile.getPath(),
"Gtiff",
nXSize,
nYSize,
1, // 1 band
GDT_UInt16
);
outMemFile.setGDALDataset(outDataset);
// Write results into a band
GDALRasterBand * gBand = outDataset->GetRasterBand(1);
gBand->RasterIO( GF_Write, 0, 0, nXSize, nYSize,
bufferClass, nXSize, nYSize, GDT_UInt16,0,0 );
// copy metadata
double adfGeoTransform[6];
const char * projection = skyDataset->GetProjectionRef();
outDataset->SetProjection(projection);
skyDataset->GetGeoTransform( adfGeoTransform );
outDataset->SetGeoTransform( adfGeoTransform );
// close the files
inputMemFile.close();
outMemFile.close();
// output file in the output folder
DataKey outKey = DataKey(*n);
DataFile* fileData = outMemFile.toDataFile("image/tif");
output->addDataFile(outKey, fileData);
//close message block
std::cout<<nativeHdr<<std::endl;
//free buffers
CPLFree(bufferBlue);
CPLFree(bufferGreen);
CPLFree(bufferRed);
CPLFree(bufferNIR);
CPLFree(bufferClass);
}
}
//---------------------------------------------------------
bool CGDAL_Export::On_Execute(void)
{
char **pOptions = NULL;
int x, y, n;
double *zLine;
CSG_String File_Name;
CSG_Parameter_Grid_List *pGrids;
CSG_Grid *pGrid;
GDALDataType gdal_Type;
GDALDriver *pDriver;
GDALDataset *pDataset;
GDALRasterBand *pBand;
//-----------------------------------------------------
pGrids = Parameters("GRIDS") ->asGridList();
File_Name = Parameters("FILE") ->asString();
//-----------------------------------------------------
switch( Parameters("TYPE")->asInt() )
{
default:
case 0: gdal_Type = g_GDAL_Driver.Get_GDAL_Type(pGrids); break; // match input data
case 1: gdal_Type = GDT_Byte; break; // Eight bit unsigned integer
case 2: gdal_Type = GDT_UInt16; break; // Sixteen bit unsigned integer
case 3: gdal_Type = GDT_Int16; break; // Sixteen bit signed integer
case 4: gdal_Type = GDT_UInt32; break; // Thirty two bit unsigned integer
case 5: gdal_Type = GDT_Int32; break; // Thirty two bit signed integer
case 6: gdal_Type = GDT_Float32; break; // Thirty two bit floating point
case 7: gdal_Type = GDT_Float64; break; // Sixty four bit floating point
}
//-----------------------------------------------------
if( (pDriver = g_GDAL_Driver.Get_Driver(SG_STR_SGTOMB(m_DriverNames[Parameters("FORMAT")->asInt()]))) == NULL )
{
Message_Add(_TL("Driver not found."));
}
else if( CSLFetchBoolean(pDriver->GetMetadata(), GDAL_DCAP_CREATE, false) == false )
{
Message_Add(_TL("Driver does not support file creation."));
}
else if( (pDataset = pDriver->Create(File_Name.b_str(), Get_NX(), Get_NY(), pGrids->Get_Count(), gdal_Type, pOptions)) == NULL )
{
Message_Add(_TL("Could not create dataset."));
}
else
{
g_GDAL_Driver.Set_Transform(pDataset, Get_System());
if( pGrids->asGrid(0)->Get_Projection().Get_Type() != SG_PROJ_TYPE_CS_Undefined )
{
pDataset->SetProjection(SG_STR_SGTOMB(pGrids->asGrid(0)->Get_Projection().Get_WKT()));
}
zLine = (double *)SG_Malloc(Get_NX() * sizeof(double));
for(n=0; n<pGrids->Get_Count(); n++)
{
Process_Set_Text(CSG_String::Format(SG_T("%s %d"), _TL("Band"), n + 1));
pGrid = pGrids->asGrid(n);
pBand = pDataset->GetRasterBand(n + 1);
for(y=0; y<Get_NY() && Set_Progress(y, Get_NY()); y++)
{
for(x=0; x<Get_NX(); x++)
{
zLine[x] = pGrid->asDouble(x, Get_NY() - 1 - y);
}
pBand->RasterIO(GF_Write, 0, y, Get_NX(), 1, zLine, Get_NX(), 1, GDT_Float64, 0, 0);
}
}
//-------------------------------------------------
SG_Free(zLine);
GDALClose(pDataset);
return( true );
}
//-----------------------------------------------------
return( false );
}
void clsRasterData::outputGTiff(map<string,float> header,int nValidCells,float** position, float* value,string filename)
{
float noDataValue = header["NODATA_VALUE"];
int nCols = header["NCOLS"];
int nRows = header["NROWS"];
float xll = header["XLLCENTER"];
float yll = header["YLLCENTER"];
float dx = header["CELLSIZE"];
int n = nRows * nCols;
float *data = new float[n];
int index = 0;
for (int i = 0; i < nRows; ++i)
{
for (int j = 0; j < nCols; ++j)
{
if(index < nValidCells)
{
if(position[index][0] == i && position[index][1] == j)
{
data[i*nCols+j] = value[index];
index++;
}
else
data[i*nCols+j] = noDataValue;
}
else
data[i*nCols+j] = noDataValue;
}
}
const char *pszFormat = "GTiff";
GDALDriver *poDriver = GetGDALDriverManager()->GetDriverByName(pszFormat);
char **papszOptions = poDriver->GetMetadata();
GDALDataset *poDstDS = poDriver->Create(filename.c_str(), nCols, nRows, 1, GDT_Float32, papszOptions );
//write the data to new file
GDALRasterBand *poDstBand= poDstDS->GetRasterBand(1);
poDstBand->RasterIO(GF_Write, 0, 0, nCols, nRows, data, nCols, nRows, GDT_Float32, 0, 0);
poDstBand->SetNoDataValue(noDataValue);
double geoTrans[6];
geoTrans[0] = xll;
geoTrans[1] = dx;
geoTrans[2] = 0;
geoTrans[3] = yll + nRows*dx;
geoTrans[4] = 0;
geoTrans[5] = -dx;
poDstDS->SetGeoTransform(geoTrans);
OGRSpatialReference srs;
srs.SetACEA(25, 47, 0, 105, 0, 0);
srs.SetWellKnownGeogCS("WGS84");
char *pSrsWkt = NULL;
srs.exportToWkt(&pSrsWkt);
poDstDS->SetProjection(pSrsWkt);
CPLFree(pSrsWkt);
GDALClose(poDstDS);
delete[] data;
}
void output_dist_geotiff ( image<float> & dist, image<unsigned char> & v )
{
int r, c;
int val;
OGRSpatialReference ref;
GDALDataset *df;
char *wkt = NULL;
GDALRasterBand *bd;
double trans[6];
GDALDriver *gt;
char **options = NULL;
int ov[] = { 2, 4, 8, 16, 32 };
int nov;
int n;
char file[1000];
options = CSLSetNameValue ( options, "TILED", "NO" );
options = CSLSetNameValue ( options, "COMPRESS", "LZW" );
gt = GetGDALDriverManager()->GetDriverByName("GTiff");
if ( !gt ) {
fprintf(stderr,"Could not get GTiff driver\n");
exit(1);
}
strcpy ( file, p.value("dist_file").c_str() );
df = gt->Create( file, dist.cols, dist.rows, 1, GDT_Byte, options );
if( df == NULL ) {
fprintf(stderr,"Could not create %s\n", file );
exit(1);
}
trans[0] = p.dvalue("easting_left");
trans[1] = p.dvalue("output_cell_size");
trans[2] = 0.0;
trans[3] = p.dvalue("northing_top");
trans[4] = 0.0;
trans[5] = -p.dvalue("output_cell_size");
df->SetGeoTransform ( trans );
ref.SetUTM ( p.ivalue("utm_zone") );
ref.SetWellKnownGeogCS ( "NAD27" );
ref.exportToWkt ( &wkt );
df->SetProjection(wkt);
CPLFree ( wkt );
for ( r=0; r < dist.rows; r++ ) {
for ( c=0; c < dist.cols; c++ ) {
val = int(sqrt(dist[r][c])+0.5);
if ( val > 255 ) val = 255;
v[r][c] = val;
}
}
bd = df->GetRasterBand(1);
bd->RasterIO( GF_Write, 0, 0, v.cols, v.rows, v.data,
v.cols, v.rows, GDT_Byte, 0, 0 );
delete df;
df = (GDALDataset *)GDALOpen ( file, GA_Update );
if( df == NULL ) {
fprintf(stderr,"Could not open for update %s\n", file );
exit(1);
}
nov = p.ivalue("overviews");
if ( nov > 5 ) nov = 5;
if ( nov > 0 ) {
n = 1;
df->BuildOverviews("NEAREST", nov, ov, 1, &n, NULL, NULL );
}
}
int main(int argc, char *argv[]){
GDALDataset *poDataset;
GDALAllRegister();
if(argc != 3){
std::cout << "usage:\n" << argv[0] << " src_file dest_file\n";
exit(0);
}
const std::string name = argv[1];
const std::string destName = argv[2];
poDataset = (GDALDataset *) GDALOpen(name.c_str(), GA_ReadOnly );
if( poDataset == NULL ){
std::cout << "Failed to open " << name << "\n";
}else{
const char *pszFormat = "GTiff";
GDALDriver *poDriver;
char **papszMetadata;
poDriver = GetGDALDriverManager()->GetDriverByName(pszFormat);
if( poDriver == NULL ){
std::cout << "Cant open driver\n";
exit(1);
}
papszMetadata = GDALGetMetadata( poDriver, NULL );
if( !CSLFetchBoolean( papszMetadata, GDAL_DCAP_CREATE, FALSE ) ){
std::cout << "Create Method not suported!\n";
}
if( !CSLFetchBoolean( papszMetadata, GDAL_DCAP_CREATECOPY, FALSE ) ){
std::cout << "CreateCopy() method not suported.\n";
}
char **papszOptions = NULL;
GDALDataset *dest = poDriver->Create(destName.c_str() , poDataset->GetRasterXSize(),
poDataset->GetRasterYSize(), 3, GDT_Byte, papszOptions );
std::cout << "Reading file " << name << "\n";
std::cout <<
"x= " << poDataset->GetRasterXSize() <<
", h=" << poDataset->GetRasterYSize() <<
", bands= " << poDataset->GetRasterCount() << "\n";
GDALRasterBand *data;
data = poDataset->GetRasterBand(1);
GDALDataType type = data->GetRasterDataType();
printDataType(type);
int size = data->GetXSize()*data->GetYSize();
std::cout << "size=" << size << " , w*h = " << poDataset->GetRasterXSize()*poDataset->GetRasterYSize() << "\n";
float *buffer;
buffer = (float *) CPLMalloc(sizeof(float)*size);
data->RasterIO(GF_Read, 0, 0, data->GetXSize(), data->GetYSize(), buffer, data->GetXSize(), data->GetYSize(), GDT_Float32, 0, 0 );
GDALRasterBand *destBand1 = dest->GetRasterBand(1);
GDALRasterBand *destBand2 = dest->GetRasterBand(2);
GDALRasterBand *destBand3 = dest->GetRasterBand(3);
// GDALRasterBand *destBand4 = dest->GetRasterBand(4);
// Metadata,
double geot[6];
poDataset->GetGeoTransform(geot);
dest->SetGeoTransform(geot);// adfGeoTransform );
dest->SetProjection( poDataset->GetProjectionRef() );
GByte destWrite1[size]; // = (GUInt32 *) CPLMalloc(sizeof(GUInt32)*size);
GByte destWrite2[size];
GByte destWrite3[size];
// GByte destWrite4[size];
unsigned int i;
float max=0, min=0;
for(i=0; i<size; i++){
if(max < buffer[i]){
max = buffer[i];
}
if(min > buffer[i]){
min = buffer[i];
}
}
float range = max - min;
std::cout << "range=" << range << ", max=" << max << ", min=" << min << "\n";
std::map<float, unsigned int> counter;
for(i=0; i<size; i++){
counter[buffer[i]]++;
unsigned int v = buffer[i] * 100;
destWrite1[i] = (v & (0xff << 0)) >> 0;
destWrite2[i] = (v & (0xff << 8)) >> 8;
destWrite3[i] = (v & (0xff << 16)) >> 16;
// destWrite4[i] = 0x00; // (v & (0xff << 24)) >> 24;
}
destBand1->RasterIO( GF_Write, 0, 0, data->GetXSize(), data->GetYSize(),
destWrite1, data->GetXSize(), data->GetYSize(), GDT_Byte, 0, 0 );
destBand2->RasterIO( GF_Write, 0, 0, data->GetXSize(), data->GetYSize(),
destWrite2, data->GetXSize(), data->GetYSize(), GDT_Byte, 0, 0 );
destBand3->RasterIO( GF_Write, 0, 0, data->GetXSize(), data->GetYSize(),
destWrite3, data->GetXSize(), data->GetYSize(), GDT_Byte, 0, 0 );
// destBand4->RasterIO( GF_Write, 0, 0, data->GetXSize(), data->GetYSize(),
// destWrite4, data->GetXSize(), data->GetYSize(), GDT_Byte, 0, 0 );
/*std::map<float, unsigned int>::iterator it;
std::cout << "Counter: \n";
for(it=counter.begin(); it!=counter.end(); it++){
std::cout << (it->first*1000) << " = " << it->second << "\n";
}*/
/* Once we're done, close properly the dataset */
if( dest != NULL ){
GDALClose(dest );
GDALClose(poDataset );
}
/*
unsigned int *buffer;
buffer = (unsigned int *) CPLMalloc(sizeof(unsigned int)*size);
data->RasterIO(GF_Read, 0, 0, size, 1, buffer, size, 1, GDT_UInt32, 0, 0 );
unsigned int i;
std::map<unsigned int, unsigned int> counter;
for(i=0; i<size; i++){
counter[buffer[i]]++;
}
std::map<unsigned int, unsigned int>::iterator it;
std::cout << "Counter: \n";
for(it=counter.begin(); it!=counter.end(); it++){
std::cout << it->first << " = " << it->second << "\n";
}*/
}
exit(0);
}
/**
*@brief 浓密植被法获得TM、ETM、GEOEYE的气溶胶
*@param
*@return
*/
bool InvAod::invAod_HJ(const char* imgBand1,
const char* imgBand2,
const char* imgBand3,
const char* imgBand4,
const char* SunZenithImg,
const char* SunAzimuthImg,
const char* obserZenithImg,
const char* obserAzimuthImg,
info_HJ &calInfoHJ,
const char* outputImg,
string tmpdata)
{
EnumAeroType eAeroType = continent;
EnumSensorType HJsensorType;
if (calInfoHJ.HJSensor == "HJ1ACCD1")
{
HJsensorType = HJ1ACCD1;
}
else if (calInfoHJ.HJSensor == "HJ1ACCD2")
{
HJsensorType = HJ1ACCD2;
}
else if (calInfoHJ.HJSensor == "HJ1BCCD1")
{
HJsensorType = HJ1BCCD1;
}
else if (calInfoHJ.HJSensor == "HJ1BCCD2")
{
HJsensorType = HJ1BCCD2;
}
GDALDriver *poDriver;
GDALDataset *poOutDataset;
const char *format = "GTiff";
poDriver = GetGDALDriverManager()->GetDriverByName(format);
char ** papszMetadata = NULL;
GDALDataset *poDatasetBand1,*poDatasetBand2,*poDatasetBand3,*poDatasetBand4;
GDALDataset *poDatasetSunZenith,*poDatasetSunAzimuth,*poDatasetobserZenith,*poDatasetobserAzimuth;
poDatasetBand1 = (GDALDataset *) GDALOpen(imgBand1, GA_ReadOnly );
poDatasetBand2 = (GDALDataset *) GDALOpen(imgBand2, GA_ReadOnly );
poDatasetBand3 = (GDALDataset *) GDALOpen(imgBand3, GA_ReadOnly );
poDatasetBand4 = (GDALDataset *) GDALOpen(imgBand4, GA_ReadOnly );
poDatasetSunZenith = (GDALDataset *) GDALOpen(SunZenithImg, GA_ReadOnly );
poDatasetSunAzimuth = (GDALDataset *) GDALOpen(SunAzimuthImg, GA_ReadOnly );
poDatasetobserZenith = (GDALDataset *) GDALOpen(obserZenithImg, GA_ReadOnly );
poDatasetobserAzimuth = (GDALDataset *) GDALOpen(obserAzimuthImg, GA_ReadOnly );
if(( poDatasetBand1 == NULL )||
( poDatasetBand2 == NULL )||
( poDatasetBand3 == NULL )||
( poDatasetBand4 == NULL )||
( poDatasetSunZenith == NULL )||
( poDatasetSunAzimuth == NULL )||
( poDatasetobserZenith == NULL )||
( poDatasetobserAzimuth == NULL ))
{
printf("文件打开失败");
return 2;
}
//6个坐标参数
double oriadfGeoTransform[6];
poDatasetBand2->GetGeoTransform(oriadfGeoTransform);
//投影信息
char projection[SIZE];
memset(projection, '\0', SIZE*sizeof(char));
strcpy(projection, poDatasetBand2->GetProjectionRef());
//输入图像原始尺寸
nXSize=poDatasetBand2->GetRasterXSize();
nYSize=poDatasetBand2->GetRasterYSize();
//获得图片存储类型
GDALRasterBand* poRasterBand = poDatasetBand2->GetRasterBand(1);
GDALDataType Datatype = poRasterBand->GetRasterDataType();
//创建要输出图片
poOutDataset = poDriver->Create(outputImg,nXSize,nYSize,1,GDT_Float32,papszMetadata);
GDALRasterBand *pRasterBand1 = poDatasetBand1->GetRasterBand(1);
GDALRasterBand *pRasterBand2 = poDatasetBand2->GetRasterBand(1);
GDALRasterBand *pRasterBand3 = poDatasetBand3->GetRasterBand(1);
GDALRasterBand *pRasterBand4 = poDatasetBand4->GetRasterBand(1);
GDALRasterBand *pRasterSunZenith = poDatasetSunZenith->GetRasterBand(1);
GDALRasterBand *pRasterSunAzimuth = poDatasetSunAzimuth->GetRasterBand(1);
GDALRasterBand *pRasterobserZenith = poDatasetobserZenith->GetRasterBand(1);
GDALRasterBand *pRasterobserAzimuth = poDatasetobserAzimuth->GetRasterBand(1);
int offx = 0, offy = 0;
pafsizey = CHUNK_HEIGHT;
pafsizex = nXSize;
float* band1 = (float*)CPLMalloc(sizeof(float)*pafsizex*pafsizey);
float* band2 = (float*)CPLMalloc(sizeof(float)*pafsizex*pafsizey);
float* band3 = (float*)CPLMalloc(sizeof(float)*pafsizex*pafsizey);
float* band4 = (float*)CPLMalloc(sizeof(float)*pafsizex*pafsizey);
float* SunZenith = (float*)CPLMalloc(sizeof(float)*pafsizex*pafsizey);
float* SunAzimuth = (float*)CPLMalloc(sizeof(float)*pafsizex*pafsizey);
float* obserZenith = (float*)CPLMalloc(sizeof(float)*pafsizex*pafsizey);
float* obserAzimuth = (float*)CPLMalloc(sizeof(float)*pafsizex*pafsizey);
float* aod = (float*)CPLMalloc(sizeof(float)*pafsizex*pafsizey);
int numY = (nYSize-1)/CHUNK_HEIGHT + 1;
GDALRasterBand *pRasterBandOut;
pRasterBandOut = poOutDataset->GetRasterBand(1);
LUT getlut;
float* lutData = getlut.getLut(1,calInfoHJ,tmpdata);
for (int i = 0; i < numY; i ++)
{
if (i == (numY-1))
{
pafsizey = nYSize%CHUNK_HEIGHT;
}
offy = i *CHUNK_HEIGHT;
pRasterBand1->RasterIO( GF_Read,offx,offy,pafsizex,pafsizey,
band1,pafsizex,pafsizey, GDT_Float32,0,0);
pRasterBand2->RasterIO( GF_Read,offx,offy,pafsizex,pafsizey,
band2,pafsizex,pafsizey, GDT_Float32,0,0);
pRasterBand3->RasterIO( GF_Read,offx,offy,pafsizex,pafsizey,
band3,pafsizex,pafsizey, GDT_Float32,0,0);
pRasterBand4->RasterIO( GF_Read,offx,offy,pafsizex,pafsizey,
band4,pafsizex,pafsizey, GDT_Float32,0,0);
pRasterSunZenith->RasterIO( GF_Read,offx,offy,pafsizex,pafsizey,
SunZenith,pafsizex,pafsizey, GDT_Float32,0,0);
pRasterSunAzimuth->RasterIO( GF_Read,offx,offy,pafsizex,pafsizey,
SunAzimuth,pafsizex,pafsizey, GDT_Float32,0,0);
pRasterobserZenith->RasterIO( GF_Read,offx,offy,pafsizex,pafsizey,
obserZenith,pafsizex,pafsizey, GDT_Float32,0,0);
pRasterobserAzimuth->RasterIO( GF_Read,offx,offy,pafsizex,pafsizey,
obserAzimuth,pafsizex,pafsizey, GDT_Float32,0,0);
for (int k = 0; k < pafsizex*pafsizey; k++)
{
if(obserAzimuth[k]>360.0)
obserAzimuth[k]-=360.0;
obserAzimuth[k]=fabs(obserAzimuth[k]-SunAzimuth[k]);
if(obserAzimuth[k]>180.0)
obserAzimuth[k]=fabs(obserAzimuth[k]-360.0f);
obserZenith[k]=fabs(obserZenith[k]);
if(obserZenith[k]>40.0)
obserZenith[k]=40.0f;
}
// if (calInfoHJ.date[1] > 4 && calInfoHJ.date[1] < 11)
// {
// InvertAODSum(band1,band3,band4,aod,obserZenith,SunZenith,obserAzimuth,lutData);
// }else
// {
//对夏季冬季都采用浓密植被和阴影进行气溶跤反演
InvertAODWin(band1,band2,band3,band4,aod,obserZenith,SunZenith,obserAzimuth,lutData,eAeroType);
// }
pRasterBandOut->RasterIO(GF_Write,offx,offy,pafsizex,pafsizey,
aod,pafsizex,pafsizey,GDT_Float32,0,0);
}
CPLFree(band1);
CPLFree(band2);
CPLFree(band3);
CPLFree(band4);
CPLFree(SunZenith);
CPLFree(SunAzimuth);
CPLFree(obserZenith);
CPLFree(obserAzimuth);
CPLFree(aod);
delete[] lutData;
poOutDataset->SetGeoTransform(oriadfGeoTransform);
poOutDataset->SetProjection(projection);
if(poOutDataset != NULL)
{
GDALClose(poOutDataset);
}
if(poDatasetBand2 != NULL)
{
GDALClose(poDatasetBand2);
}
if(poDatasetBand3 != NULL)
{
GDALClose(poDatasetBand3);
}
if(poDatasetBand4 != NULL)
{
GDALClose(poDatasetBand4);
}
if(poDatasetBand1 != NULL)
{
GDALClose(poDatasetBand1);
}
if(poDatasetSunZenith != NULL)
{
GDALClose(poDatasetSunZenith);
}
if(poDatasetSunAzimuth != NULL)
{
GDALClose(poDatasetSunAzimuth);
}
if(poDatasetobserZenith != NULL)
{
GDALClose(poDatasetobserZenith);
}
if(poDatasetobserAzimuth != NULL)
{
GDALClose(poDatasetobserAzimuth);
}
return true;
}