BUG: look for actual value of RGB band in ossim keyword list

Modules/Applications/AppImageUtils/app/otbReadImageInfo.cxx

@@ -441,10 +441,10 @@ private:
     catch ( itk::ExceptionObject & /*err*/ )
       {
       }
-
-    SetParameterInt("rgb.r",metadataInterface->GetDefaultDisplay()[0]);
-    SetParameterInt("rgb.g",metadataInterface->GetDefaultDisplay()[1]);
-    SetParameterInt("rgb.b",metadataInterface->GetDefaultDisplay()[2]);
+    auto rgbVect = metadataInterface->GetDefaultDisplay();
+    SetParameterInt("rgb.r",rgbVect[0]);
+    SetParameterInt("rgb.g",rgbVect[1]);
+    SetParameterInt("rgb.b",rgbVect[2]);
 
     ossOutput << std::endl << "Image default RGB composition:" << std::endl;
     ossOutput << "\t[R, G, B] = [" << GetParameterInt("rgb.r") << "," << GetParameterInt("rgb.g") << "," << GetParameterInt("rgb.b") << "]" << std::endl;

Modules/Core/Metadata/src/otbPleiadesImageMetadataInterface.cxx

@@ -944,13 +944,24 @@ PleiadesImageMetadataInterface
     itk::ExposeMetaData<ImageKeywordlistType>(dict, MetaDataKey::OSSIMKeywordlistKey, imageKeywordlist);
     }
 
-
   std::vector<unsigned int> rgb(3);
 
   rgb[0] = 0;
   rgb[1] = 1;
   rgb[2] = 2;
 
+  if ( imageKeywordlist.HasKey( "support_data.band_name_list" ) )
+  {
+    const std::string & rgbOrder = 
+      imageKeywordlist.GetMetadataByKey( "support_data.band_name_list" );
+    auto place = rgbOrder.find("B");
+    for (int i = 0 ; i < 3 ; i++ )
+      {
+      rgb[i] = rgbOrder[place+1] -'0';
+      place = rgbOrder.find("B", place+1 );
+      }
+  }
+
   return rgb;
 }