data structure to represent key events.
base class for items that are part of a vtkContextScene.
Class for drawing 2D primitives to a graphical context.
data structure to represent mouse events.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
virtual void Update()
Perform any updates to the item that may be necessary before rendering.
Class for drawing 3D primitives to a graphical context.