public Builder addGeneratorLoader(GeneratorLoader gLoader){
  if (loaders == null) {
    loaders=new ArrayList<GeneratorLoader>();
  }
  if (gLoader != null) {
    loaders.add(gLoader);
  }
  return this;
}

public Builder addGeneratorLoader ( GeneratorLoader gLoader ) { if ( loaders == null ) { loaders = new ArrayList < GeneratorLoader > ( ) ; } if ( gLoader != null ) { loaders . add ( gLoader ) ; } return this ; }
add a generator loader to the dtedframecache to be used by the layer . if not called , the slopergeneratorloader will be used .
