private void setupBasePyramidIO() {
   if (!_baseInitialized) {
     String pyramidId = _parent.getPropertyValue(LayerConfiguration.LAYER_ID);
     _pyramidIO.setupBasePyramidIO(pyramidId, _baseFactory);
     _baseInitialized = true;
   }
 }
 @Override
 public void readConfiguration(JSONObject rootNode) throws ConfigurationException {
   super.readConfiguration(rootNode);
   _baseFactory.readConfiguration(rootNode);
 }