/**
  * @param way
  * @param polygon
  * @return
  */
 private boolean processForest(OsmPolygon osmPolygon) {
   Boolean result = false;
   if (XplaneOptionsHelper.getOptions().isGenerateFor()) {
     Integer[] forestIndexAndDensity =
         dsfObjectsProvider.getRandomForestIndexAndDensity(osmPolygon.getTags());
     if (forestIndexAndDensity != null) {
       writeForestToDsf(osmPolygon, forestIndexAndDensity);
       result = true;
     }
   }
   return result;
 }