ENH: Expose derived subdatasets in SetBand()

jmichel-otb · Jul 5, 2016 · 665d879 · 665d879
1 parent e277ccf
commit 665d879
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/gdal/gcore/gdaldataset.cpp b/gdal/gcore/gdaldataset.cpp
@@ -581,8 +581,15 @@ void GDALDataset::SetBand( int nNewBand, GDALRasterBand * poBand )
                      "Cannot allocate band array");
             return;
         }
+
         papoBands = papoNewBands;
 
+        // TODO: Filter on complex bands only
+        SetMetadataItem("DERIVED_SUBDATASET_1_NAME",CPLSPrintf("DERIVED_SUBDATASET:COMPLEX_AMPLITUDE:%s",GetDescription()),"DERIVED_SUBDATASETS");
+
+        CPLString osDesc(CPLSPrintf("Complex amplitude of bands from %s",GetDescription()));
+        SetMetadataItem("DERIVED_SUBDATASET_1_DESC",osDesc.c_str(),"DERIVED_SUBDATASETS");
+
         for( int i = nBands; i < nNewBand; ++i )
             papoBands[i] = NULL;