ENH : Change Projection Ref for DEMPolygonsAnalysis filter

include/otbSARDEMPolygonsAnalysisImageFilter.txx

@@ -321,6 +321,9 @@ namespace otb
 	outputKwl.AddKey(key, std::to_string(i)); 
       }
     outputPtr->SetImageKeywordList(outputKwl);
+
+    // Change Projection to fit with SAR image
+    outputPtr->SetProjectionRef(m_SarImagePtr->GetProjectionRef());
   }
 
   /**