void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
Class for drawing 2D primitives to a graphical context.
base class for items that are part of a vtkContextScene.
virtual float GetHeight()
all children of this item are clipped by the specified area.
virtual void Update()
Perform any updates to the item that may be necessary before rendering.