public static It<Object> findVis(VisualizerContext context) {
    return new StackedIter<>(context.getHierarchy().iterAll(), context.getVisHierarchy());
  }
public static It < Object > findVis ( VisualizerContext context ) { return new StackedIter < > ( context . getHierarchy ( ) . iterAll ( ) , context . getVisHierarchy ( ) ) ; }
Filtered iteration over a stacked hierarchy.

This is really messy because the visualization hierarchy is typed Object.

@param context Visualization context
@return Iterator of results.