void RasterCoverage::georeference(const IGeoReference &grf, bool resetData)
{
if ( isReadOnly())
return;
changed(true);
_georef = grf;
if ( resetData)
_grid.reset(0);
else if ( !_grid || grf->size().twod() != _grid->size().twod() ) {
_grid.reset(0);
}
if ( _georef.isValid() ) {
_georef->compute();
coordinateSystem(grf->coordinateSystem()); // mandatory
resourceRef().addProperty("coordinatesystem",coordinateSystem()->id());
resourceRef().addProperty("georeference",_georef->id());
if ( coordinateSystem()->envelope(true).isValid())
resourceRef().addProperty("latlonenvelop", coordinateSystem()->envelope(true).toString());
if ( _size.isValid() && !_size.isNull() && !resetData)
_size = Size<>(_georef->size().xsize(), _georef->size().ysize(), _size.zsize());
else
_size = _georef->size();
Envelope env = grf->envelope();
if ( env.isValid() && !env.isNull())
envelope(grf->envelope());
}
else
_size = Size<>();
if (!_grid && _size.isValid()){
gridRef()->prepare(this,_size);
}
resourceRef().dimensions(_size.toString());
}
bool RasterCoverageConnector::loadMetaData(IlwisObject *data, const IOOptions &options){
if(!CoverageConnector::loadMetaData(data, options))
return false;
auto *raster = static_cast<RasterCoverage *>(data);
if (_handle->type() == GdalHandle::etGDALDatasetH){
Coordinate cMin, cMax;
quint32 layer = sourceRef().hasProperty("bandindex")? sourceRef()["bandindex"].toUInt(): iUNDEF;
Size<> rastersize(gdal()->xsize(_handle->handle()), gdal()->ysize(_handle->handle()), layer != iUNDEF ? 1 : gdal()->layerCount(_handle->handle()));
_offsetScales.resize(rastersize.zsize());
std::vector<double> bands(layer != iUNDEF ? 1 : rastersize.zsize());
for(int i =0; i < rastersize.zsize(); ++i){
bands[i] = i;
}
raster->stackDefinitionRef().setSubDefinition(IDomain("count"),bands);
auto layerHandle = gdal()->getRasterBand(_handle->handle(), layer != iUNDEF ? layer + 1 : 1);
GDALColorInterp colorType = gdal()->colorInterpretation(layerHandle);
bool ok = false;
if ( layer != iUNDEF){
raster->size(rastersize);
if (sourceRef().hasProperty("scale") && sourceRef().hasProperty("offset")) {
_offsetScales[layer].offset = sourceRef()["offset"].toDouble();
_offsetScales[layer].scale = sourceRef()["scale"].toDouble();
}
ok = handleNumericLayerCase(layer, raster);
}else if( colorType <=1 || layer != iUNDEF){ // no colors + grayscale which equals image domain
raster->size(rastersize);
ok = handleNumericCase(raster->size(), raster);
} else if ( colorType >= 3 && colorType <= 12){
raster->size(Size<>(rastersize.xsize(), rastersize.ysize(), layer != iUNDEF ? 1 : rastersize.zsize() / 3));
ok = handleColorCase(raster->size(), raster,colorType);
}else if (colorType == 2){ // color palette
ok = handlePaletteCase(rastersize, raster);
}
if (!ok)
return false;
IGeoReference georeference;
double geosys[6];
CPLErr err = gdal()->getGeotransform(_handle->handle(), geosys) ;
if ( err == CE_None) {
double a1 = geosys[0];
double b1 = geosys[3];
double a2 = geosys[1];
double b2 = geosys[5];
Coordinate crdLeftup( a1 , b1);
Coordinate crdRightDown(a1 + rastersize.xsize() * a2, b1 + rastersize.ysize() * b2 ) ;
cMin = Coordinate( min(crdLeftup.x, crdRightDown.x), min(crdLeftup.y, crdRightDown.y));
cMax = Coordinate( max(crdLeftup.x, crdRightDown.x), max(crdLeftup.y, crdRightDown.y));
if(!georeference.prepare(_resource.url().toString()))
return ERROR2(ERR_COULDNT_CREATE_OBJECT_FOR_2,"Georeference",raster->name() );
} else {
int iNrTiePoints = gdal()->getGCPCount(_handle->handle());
if (iNrTiePoints > 0) {
const GDAL_GCP* amtp = gdal()->getGCPs(_handle->handle());
Envelope envTieLimits;
for (int i = 0; i < iNrTiePoints; i++) {
Coordinate crdtiep(amtp[i].dfGCPX,amtp[i].dfGCPY,0);
envTieLimits += crdtiep;
}
cMin = envTieLimits.min_corner();
cMax = envTieLimits.max_corner();
if(!georeference.prepare(_resource.url().toString()))
return ERROR2(ERR_COULDNT_CREATE_OBJECT_FOR_2,"Georeference",raster->name() );
} else {
cMin = Coordinate( 0, 0 );
cMax = Coordinate( rastersize.xsize() - 1, rastersize.ysize() - 1);
if(!georeference.prepare("code=georef:undetermined"))
return ERROR2(ERR_COULDNT_CREATE_OBJECT_FOR_2,"Georeference",raster->name() );
georeference->coordinateSystem(raster->coordinateSystem()); // the grf.prepare() for internal ilwis georeferences (among others "undetermined") does not autmatically set its csy
georeference->envelope(Envelope(cMin, cMax));
}
}
georeference->size(rastersize);
georeference->compute();
raster->envelope(Envelope(cMin, cMax));
raster->coordinateSystem()->envelope(raster->envelope());
raster->georeference(georeference);
//if (!raster->gridRef()->prepare(raster,rastersize))
// return false;
return true;
}else{
return ERROR2(ERR_INVALID_PROPERTY_FOR_2,"non-RasterCoverage",_fileUrl.toLocalFile());
}
}