ENH: Report projectionRef, geoTransform and GCPs for derived subdatasets

jmichel-otb · Jul 6, 2016 · d384b9d · d384b9d
1 parent 665d879
commit d384b9d
Showing 1 changed file with 17 additions and 2 deletions.
diff --git a/gdal/frmts/cderived/cderiveddataset.cpp b/gdal/frmts/cderived/cderiveddataset.cpp
@@ -140,11 +140,26 @@ GDALDataset * ComplexDerivedDataset::Open(GDALOpenInfo * poOpenInfo)
 
    // Transfer metadata
    poDS->SetMetadata(poTmpDS->GetMetadata());
+
+   // Transfer projection
+   poDS->SetProjection(poTmpDS->GetProjectionRef());
 
-   for(int nBand = 1; nBand <= nbBands; ++nBand)
+   // Transfer geotransform
+   double padfTransform[6];
+   bool transformOk = poTmpDS->GetGeoTransform(padfTransform);
+   if(transformOk)
      {
+     poDS->SetGeoTransform(padfTransform);
+     }
+
+   // Transfer GCPs
+   const char * gcpProjection = poTmpDS->GetGCPProjection();
+   int nbGcps = poTmpDS->GetGCPCount();
+   poDS->SetGCPs(nbGcps,poTmpDS->GetGCPs(),gcpProjection);
 
-
+   // Map bands
+   for(int nBand = 1; nBand <= nbBands; ++nBand)
+     {
      VRTDerivedRasterBand * poBand;    
 
      GDALDataType type  = GDT_Float64;