static int SetAndCloseMap(
MAP *m,
const ATTRIBUTES *a)
{
double angle;
if (! (IS_MV_REAL8(&(a->angle))))
{
if (a->angle < 0)
angle = -Deg2Rad(-a->angle);
else
angle = Deg2Rad(a->angle);
}
if (RuseAs(m, CR_REAL8))
goto error2;
if (a->projection != PT_UNDEFINED)
MputProjection(m,a->projection);
if (! (IS_MV_REAL8(&(a->xUL))))
RputXUL(m, a->xUL);
if (! (IS_MV_REAL8(&(a->yUL))))
RputYUL(m, a->yUL);
if (! (IS_MV_REAL8(&(a->angle))))
RputAngle(m, angle);
if (! (IS_MV_REAL8(&(a->cellSize))))
RputCellSize(m, a->cellSize);
if(a->gisFileId != MV_UINT4)
MputGisFileId(m,a->gisFileId);
if (Merrno)
goto error2;
return 0;
error2:
return RetError(1,"Can not write to '%s': %s",MgetFileName(m),MstrError());
}
static int CreateMap(
const char *name,
const ATTRIBUTES *a)
{
UINT1 *buf;
size_t i;
double angle;
MAP *m;
size_t CELLMAX = (long int)(pow(2,30) - 1);
if(((size_t)a->nrRows * (size_t)a->nrCols) > CELLMAX){
printf("WARNING:\n The specified amount of cells exceeds 2^30 - 1.\n Not all PCRaster applications accept maps of this size.\n");
}
if (a->angle < 0)
angle = -Deg2Rad(-a->angle);
else
angle = Deg2Rad(a->angle);
m = Rcreate(name,(size_t)a->nrRows,(size_t)a->nrCols, a->cellRepr, a->valueScale,
a->projection, a->xUL, a->yUL, angle, a->cellSize);
if (m == NULL)
goto error1;
PRECOND(a->gisFileId != MV_UINT4);
if (MputGisFileId(m,a->gisFileId) == MV_UINT4)
goto error2;
if (RuseAs(m, CR_UINT1))
goto error2;
buf = (UINT1 *)Rmalloc(m, (size_t)a->nrCols);
if (buf == NULL)
{
Mclose(m);
remove(name);
return 1;
}
for(i=0; i < a->nrRows; i++)
{
memset(buf,1,(size_t)a->nrCols);
RputRow(m,i,buf);
}
Free(buf);
Mclose(m);
return 0;
error2:
Mclose(m);
remove(name);
error1:
return RetError(1,"Can not create '%s': %s",name,MstrError());
}
static int DefaultCloneAttr(
ATTRIBUTES *a)
{
MAP *in;
if (appClone != NULL)
{
char *dummy;
in = AppOpenClone(&dummy, NULL);
if (in == NULL )
return 1;
if (ReadAttr(a,in,FALSE))
{
Mclose(in);
return RetError(1,"while reading clone map '%s': %s",appClone,MstrError());
}
Mclose(in);
}
else
DefaultAttr(a);
return 0;
}
static int EditOption(
const char *name)
{
ATTRIBUTES a;
MAP *in = Mopen(name, M_READ_WRITE);
if (in == NULL || ReadAttr(&a,in,FALSE))
{
if (in != NULL)
Mclose(in);
return RetError(1,"while reading '%s': %s",name,MstrError());
}
if (a.version != 2)
return RetError(1,"'%s' is not a version 2 map, no edits possible");
a.cloneCreation = FALSE;
switch(MakeCloneMenu(&a, name))
{
case 0: return 0;
case 1: return SetAndCloseMap(in, &a);
case 2: fprintf(stderr,"No map attributes written\n");
return 0;
}
POSTCOND(FALSE);
return 1;
}
static int PrintOption(
const char **names,
int nrNames)
{
ATTRIBUTES *a = (ATTRIBUTES *)ChkMalloc(sizeof(ATTRIBUTES) * nrNames);
int *colLen = (int *)ChkMalloc(sizeof(int) * nrNames);
int i;
if (a == NULL || colLen == NULL)
return 1;
for(i = 0 ; i < nrNames; i++)
{
MAP *m= Mopen(names[i],M_READ);
if (m == NULL)
{
Free(a);
return RetError(1,"while reading map '%s': %s",names[i],MstrError());
}
ReadAttr(a+i,m,TRUE);
colLen[i] = MAX(11, strlen(names[i]));
Mclose(m);
}
if (printDataType)
{
for(i = 0 ; i < nrNames; i++)
{
int c;
switch(a[i].valueScale) {
case VS_LDD : c = 'L'; break;
case VS_SCALAR : c = 'S'; break;
case VS_BOOLEAN : c = 'B'; break;
case VS_NOMINAL : c = 'N'; break;
case VS_ORDINAL : c = 'O'; break;
case VS_DIRECTION : c = 'D'; break;
default : c = ' '; break;
}
printf("%c",c);
}
return 1;
}
printf("%s",HEAD);
for(i = 0 ; i < nrNames; i++)
printf(" %-*s", colLen[i], names[i]);
printf("\n");
printf("%s",printLabels[ATTR_nrRows]);
for(i = 0 ; i < nrNames; i++)
printf(" %-*u", colLen[i], a[i].nrRows);
printf("\n");
printf("%s",printLabels[ATTR_nrCols]);
for(i = 0 ; i < nrNames; i++)
printf(" %-*u", colLen[i], a[i].nrCols);
printf("\n");
printf("%s",printLabels[ATTR_cellSize]);
for(i = 0 ; i < nrNames; i++)
printf(" %-*g", colLen[i], a[i].cellSize);
printf("\n");
printf("%s",printLabels[ATTR_valueScale]);
for(i = 0 ; i < nrNames; i++)
printf(" %-*s", colLen[i], RstrValueScale(a[i].valueScale));
printf("\n");
printf("%s",printLabels[ATTR_cellRepr]);
for(i = 0 ; i < nrNames; i++)
{ const char *cStr;
switch(a[i].cellRepr)
{ case CR_UINT1 : cStr = "small"; break;
case CR_INT4 : cStr = "large"; break;
case CR_REAL4 : cStr = "single"; break;
case CR_REAL8 : cStr = "double"; break;
default : cStr = RstrCellRepr(a[i].cellRepr);
}
printf(" %-*s", colLen[i], cStr);
}
printf("\n");
printf("%s",printLabels[ATTR_projection]);
for(i = 0 ; i < nrNames; i++)
printf(" %-*s", colLen[i], a[i].projection ? "yb2t" : "yt2b" );
printf("\n");
printf("%s",printLabels[ATTR_angle]);
for(i = 0 ; i < nrNames; i++)
printf(" %-*g", colLen[i], a[i].angle);
printf("\n");
printf("%s",printLabels[ATTR_xUL]);
for(i = 0 ; i < nrNames; i++)
printf(" %-*g", colLen[i], a[i].xUL);
printf("\n");
printf("%s",printLabels[ATTR_yUL]);
for(i = 0 ; i < nrNames; i++)
printf(" %-*g", colLen[i], a[i].yUL);
printf("\n");
printf("%s",printLabels[ATTR_minVal]);
for(i = 0 ; i < nrNames; i++)
if (IS_MV_REAL8(&(a[i].minVal)))
printf(" %-*s", colLen[i], "mv");
else
{
if ((a[i].cellRepr) & CSF_FLOAT_MASK)
printf(" %-*g", colLen[i], a[i].minVal);
else
printf(" %-*d", colLen[i], (int)a[i].minVal);
}
printf("\n");
printf("%s",printLabels[ATTR_maxVal]);
for(i = 0 ; i < nrNames; i++)
if (IS_MV_REAL8(&(a[i].maxVal)))
printf(" %-*s", colLen[i], "mv");
else
{
if ((a[i].cellRepr) & CSF_FLOAT_MASK)
printf(" %-*g", colLen[i], a[i].maxVal);
else
printf(" %-*d", colLen[i], (int)a[i].maxVal);
}
printf("\n");
printf("%s",printLabels[ATTR_version]);
for(i = 0 ; i < nrNames; i++)
printf(" %-*u", colLen[i], a[i].version);
printf("\n");
printf("%s",printLabels[ATTR_gisFileId]);
for(i = 0 ; i < nrNames; i++)
printf(" %-*u", colLen[i], a[i].gisFileId);
printf("\n");
printf("%s",printLabels[ATTR_byteOrder]);
for(i = 0 ; i < nrNames; i++)
printf(" %-*s", colLen[i], a[i].byteOrder == 1 ? "y" : "n");
printf("\n");
printf("%s",printLabels[ATTR_attrTable]);
for(i = 0 ; i < nrNames; i++)
printf(" %-*s", colLen[i], a[i].attrTable == 0 ? "n" : "y");
printf("\n");
return 0;
}
/*!
\warning The source raster must have only 1 band. Currently, the values in
the source raster must be stored in one of the supported cell
representations (CR_UINT1, CR_INT4, CR_REAL4, CR_REAL8).
The meta data item PCRASTER_VALUESCALE will be checked to see what value
scale to use. Otherwise a value scale is determined using
GDALType2ValueScale(GDALDataType).
This function always writes rasters using CR_UINT1, CR_INT4 or CR_REAL4
cell representations.
*/
GDALDataset* PCRasterDataset::createCopy(
char const* filename,
GDALDataset* source,
CPL_UNUSED int strict,
CPL_UNUSED char** options,
GDALProgressFunc progress,
void* progressData)
{
// Checks.
int nrBands = source->GetRasterCount();
if(nrBands != 1) {
CPLError(CE_Failure, CPLE_NotSupported,
"PCRaster driver: Too many bands ('%d'): must be 1 band", nrBands);
return 0;
}
GDALRasterBand* raster = source->GetRasterBand(1);
// Create PCRaster raster. Determine properties of raster to create.
size_t nrRows = raster->GetYSize();
size_t nrCols = raster->GetXSize();
std::string string;
// The in-file type of the cells.
CSF_CR fileCellRepresentation = GDALType2CellRepresentation(
raster->GetRasterDataType(), false);
if(fileCellRepresentation == CR_UNDEFINED) {
CPLError(CE_Failure, CPLE_NotSupported,
"PCRaster driver: Cannot determine a valid cell representation");
return 0;
}
// The value scale of the values.
CSF_VS valueScale = VS_UNDEFINED;
if(source->GetMetadataItem("PCRASTER_VALUESCALE")) {
string = source->GetMetadataItem("PCRASTER_VALUESCALE");
}
valueScale = !string.empty()
? string2ValueScale(string)
: GDALType2ValueScale(raster->GetRasterDataType());
if(valueScale == VS_UNDEFINED) {
CPLError(CE_Failure, CPLE_NotSupported,
"PCRaster driver: Cannot determine a valid value scale");
return 0;
}
CSF_PT const projection = PT_YDECT2B;
REAL8 const angle = 0.0;
REAL8 west = 0.0;
REAL8 north = 0.0;
REAL8 cellSize = 1.0;
double transform[6];
if(source->GetGeoTransform(transform) == CE_None) {
if(transform[2] == 0.0 && transform[4] == 0.0) {
west = static_cast<REAL8>(transform[0]);
north = static_cast<REAL8>(transform[3]);
cellSize = static_cast<REAL8>(transform[1]);
}
}
// The in-memory type of the cells.
CSF_CR appCellRepresentation = CR_UNDEFINED;
appCellRepresentation = GDALType2CellRepresentation(
raster->GetRasterDataType(), true);
if(appCellRepresentation == CR_UNDEFINED) {
CPLError(CE_Failure, CPLE_NotSupported,
"PCRaster driver: Cannot determine a valid cell representation");
return 0;
}
// Check whether value scale fits the cell representation. Adjust when
// needed.
valueScale = fitValueScale(valueScale, appCellRepresentation);
// Create a raster with the in file cell representation.
MAP* map = Rcreate(filename, nrRows, nrCols, fileCellRepresentation,
valueScale, projection, west, north, angle, cellSize);
if(!map) {
CPLError(CE_Failure, CPLE_OpenFailed,
"PCRaster driver: Unable to create raster %s", filename);
return 0;
}
// Try to convert in app cell representation to the cell representation
// of the file.
if(RuseAs(map, appCellRepresentation)) {
CPLError(CE_Failure, CPLE_NotSupported,
"PCRaster driver: Cannot convert cells: %s", MstrError());
Mclose(map);
return 0;
}
int hasMissingValue;
double missingValue = raster->GetNoDataValue(&hasMissingValue);
// This is needed to get my (KDJ) unit tests running.
// I am still uncertain why this is needed. If the input raster has float32
// values and the output int32, than the missing value in the dataset object
// is not updated like the values are.
if(missingValue == ::missingValue(CR_REAL4) &&
fileCellRepresentation == CR_INT4) {
missingValue = ::missingValue(fileCellRepresentation);
}
// TODO conversie van INT2 naar INT4 ondersteunen. zie ruseas.c regel 503.
// conversie op r 159.
// Create buffer for one row of values.
void* buffer = Rmalloc(map, nrCols);
// Copy values from source to target.
CPLErr errorCode = CE_None;
for(size_t row = 0; errorCode == CE_None && row < nrRows; ++row) {
// Get row from source.
if(raster->RasterIO(GF_Read, 0, row, nrCols, 1, buffer, nrCols, 1,
raster->GetRasterDataType(), 0, 0, NULL) != CE_None) {
CPLError(CE_Failure, CPLE_FileIO,
"PCRaster driver: Error reading from source raster");
errorCode = CE_Failure;
break;
}
// Upon reading values are converted to the
// right data type. This includes the missing value. If the source
// value cannot be represented in the target data type it is set to a
// missing value.
if(hasMissingValue) {
alterToStdMV(buffer, nrCols, appCellRepresentation, missingValue);
}
if(valueScale == VS_BOOLEAN) {
castValuesToBooleanRange(buffer, nrCols, appCellRepresentation);
}
// Write row in target.
RputRow(map, row, buffer);
if(!progress((row + 1) / (static_cast<double>(nrRows)), 0, progressData)) {
CPLError(CE_Failure, CPLE_UserInterrupt,
"PCRaster driver: User terminated CreateCopy()");
errorCode = CE_Failure;
break;
}
}
Mclose(map);
map = 0;
free(buffer);
buffer = 0;
if( errorCode != CE_None )
return NULL;
/* -------------------------------------------------------------------- */
/* Re-open dataset, and copy any auxiliary pam information. */
/* -------------------------------------------------------------------- */
GDALPamDataset *poDS = (GDALPamDataset *)
GDALOpen( filename, GA_Update );
if( poDS )
poDS->CloneInfo( source, GCIF_PAM_DEFAULT );
return poDS;
}
/* Function for resampling N input maps into 1 output map.
* Assumes a map "clone.map" and N "input.map"s present. Checks on
* options for percentage and maximum value.
* Determines type and characteristics of output map.
* Returns nothing, exits with 1 in case of error.
*/
int main(int argc, /* number of arguments */
char *argv[]) /* list of arguments */
{
MAP *clone, *out, *tmp, **in;
char *outputName, *cloneName;
int c, borderval;
size_t nrMaps,i;
REAL8 X0, Y0, cellSize, angleIn, angleOut;
size_t nrRows, nrCols;
CSF_PT projection;
CSF_CR cellRepr;
CSF_VS valueScale;
double percent = 0, errFactor = 2.5, resampleN = 0.0;
BOOL aligned = TRUE;
BOOL keepInputMinMax = FALSE;
REAL8 minAllInput=0, maxAllInput=0;
BOOL onlyReal4 = TRUE, contract = FALSE;
BOOL onlyUint1 = TRUE;
if(InstallArgs(argc, argv,"axmp$r$c#b#e$RBCk", "resample", __DATE__))
exit(1);
while((c = GetOpt()) != 0)
{
switch(c)
{
case 'b': opB = TRUE;
borderval = *((int *) OptArg);
break;
case 'B': opB = TRUE;
borderval = 0;
break;
case 'C': opMV = TRUE;
borderval = 0;
break;
case 'c': opMV = TRUE;
borderval = *((int *) OptArg);
break;
case 'a':contract = TRUE;
break;
case 'x':contract = FALSE;
break;
case 'm':opMax = 1;
break;
case 'p':opPer = 1;
percent = *((double*) OptArg);
if(percent < 0 || 100 < percent)
{
Error("illegal percentage");
exit(1);
}
break;
case 'R':opR = 1;
resampleN = 1;
break;
case 'r':opR = 1;
resampleN = *((double*) OptArg);
break;
case 'e':optionAcc = 1;
errFactor = *((double*) OptArg);
break;
case 'k': keepInputMinMax = TRUE;
break;
}
}
argv = ArgArguments(&argc);
if (AppArgCountCheck(argc,3,-1,USAGE))
exit(1);
outputName = argv[argc-1];
nrMaps = argc-2;
/* Read the desired specifics out of the clone map
* or use first input as clone map
*/
cloneName = NO_CLONE_NEEDED ? argv[1] : NULL;
if ( (clone = AppOpenClone(&cloneName,cloneName)) == NULL)
exit(1);
/* Determine the valueScale out of 1st input map */
tmp = Mopen(argv[1], M_READ);
if(tmp == NULL)
MperrorExit(argv[1], 1);
/* all input maps have same value scale */
valueScale = RgetValueScale(tmp);
if(valueScale == VS_LDD && !opMV)
{
Error("can not do this type of resampling on map '%s' with type ldd", argv[1]);
exit(1);
}
/* adjust old ones */
if(valueScale == VS_CLASSIFIED)
valueScale = VS_ORDINAL;
if(valueScale == VS_CONTINUOUS)
valueScale = VS_SCALAR;
/* get location attributes of clone or of 1st input map */
projection = MgetProjection(clone);
nrRows = RgetNrRows(clone);
nrCols = RgetNrCols(clone);
X0 = RgetX0(clone);
Y0 = RgetY0(clone);
cellRepr = RgetCellRepr(clone);
angleOut = RgetAngle(clone);
/* resample option -> cell size(inputmap) * factor
* Number of rows and columns are divided by resample
* factor.
*/
if(opR == 1)
{
/* setting for unit */
if(!appUnitTrue)
{
cellSize = resampleN;
resampleN /= (double) RgetCellSize(tmp);
}
else
cellSize = RgetCellSize(tmp) * resampleN;
if(contract)
{
nrRows = floor((double) nrRows /
(double) resampleN);
nrCols = floor((double) nrCols /
(double) resampleN);
/* Prevent an illegal map */
if(nrRows == 0)
nrRows = 1;
if(nrCols == 0)
nrCols = 1;
}
else
{
nrRows = ceil((double) nrRows /
(double) resampleN);
nrCols = ceil((double) nrCols /
(double) resampleN);
}
}
else
cellSize = RgetCellSize(clone);
/* Allocate memory for the input map pointers */
in = (MAP **)ChkMalloc(sizeof(MAP *) * nrMaps);
if(in == NULL)
{
AppEnd();
exit(1);
}
/* Read all input maps with desired cell representation */
for(i = 0; i < nrMaps; i++)
{
REAL8 tmpMin, tmpMax;
tmp = Mopen(argv[1 + i], M_READ);
angleIn = RgetAngle(tmp);
if(angleIn != 0)
aligned = FALSE;
if(tmp == NULL)
MperrorExit(argv[1 + i], 1);
if(!RvalueScaleIs(tmp, valueScale))
{
Error("%s has illegal data type: '%s'\n",
argv[1 + i], RstrValueScale(valueScale));
exit(1);
}
in[i] = tmp;
/* Determine which cell representation should be used */
onlyReal4 = RgetCellRepr(in[i]) == CR_REAL4;
onlyUint1 = RgetCellRepr(in[i]) == CR_UINT1;
RuseAs(in[i], CR_REAL8);
RgetMinVal(tmp, &tmpMin);
RgetMaxVal(tmp, &tmpMax);
if (i==0)
{minAllInput = tmpMin; maxAllInput = tmpMax; }
minAllInput = MIN(minAllInput,tmpMin);
maxAllInput = MAX(maxAllInput,tmpMax);
if(AppIsClassified(valueScale))
RuseAs(in[i], CR_INT4);
else
RuseAs(in[i], CR_REAL8);
}
if(opB == 1 || opMV == 1)
{
if(CheckInputMaps(in, nrMaps, projection, angleIn, cellSize))
{
Error("");
FreeMaps(in, nrMaps);
exit(1);
}
if(opB == 1)
{
if(SmallestFittingRectangle(&X0, &Y0, &nrRows,
&nrCols, in, borderval, nrMaps,
cellSize, angleIn, projection, contract))
{
FreeMaps(in, nrMaps);
AppEnd();
exit(1);
}
}
else
{
if(SmallestNonMVRect(&X0, &Y0, &nrRows, &nrCols, in,
borderval, nrMaps, valueScale, cellSize,
angleIn, projection, contract))
{
FreeMaps(in, nrMaps);
AppEnd();
exit(1);
}
}
}
/* Create output map with suitable cell representation */
/* NOTE ! Create map with smallest representation possible */
out = Rcreate(outputName, nrRows, nrCols,
AppIsClassified(valueScale) ?
(onlyUint1 ? CR_UINT1 : CR_INT4) :
(onlyReal4 ? CR_REAL4 : CR_REAL8),
valueScale, projection, X0, Y0,
angleOut, cellSize);
if(out == NULL)
{
FreeMaps(in, nrMaps);
Error("can not create output map '%s': %s",
argv[1], MstrError());
exit(1);
}
RuseAs(out, AppIsClassified(valueScale) ? CR_INT4 : CR_REAL8);
if(angleOut != 0)
aligned = FALSE;
/* determine raster size according wanted accuracy */
if(opB != 1 && opMV != 1)
{
if(DetRasterSize(out, in, nrMaps, errFactor))
{
Error("Illegal cell size\n");
exit(1);
}
}
else
rasterSize = 1;
if(nrMaps > 1 && percent > 0)
AppProgress("rasterSize: %d\n", rasterSize);
else
AppProgress("No raster used\n");
/* Call function */
if(AppIsClassified(valueScale))
{ /* Call resample function for classified maps */
if(SampleClass(out, in, percent, nrMaps, nrRows, nrCols,
aligned, angleOut))
{
EndResample(in, nrMaps, out);
exit(1); /* Memory allocation failed */
}
}
else
{ /* Call resample function for continuous maps */
if(SampleCont(out, in, percent, nrMaps, nrRows, nrCols,
aligned, angleOut))
{
EndResample(in, nrMaps, out);
exit(1); /* Memory allocation failed */
}
}
/* End of call */
if (keepInputMinMax) {
RuseAs(out, CR_REAL8);
RputMinVal(out, &minAllInput);
RputMaxVal(out, &maxAllInput);
}
EndResample(in, nrMaps, out);
exit(0); /* Successful exit */
return 0; /* Never reached */
} /* main */