Section: Visualization Toolkit Rendering Classes
To create an instance of class vtkGraphicsFactory, simply invoke its constructor as follows
obj = vtkGraphicsFactory
obj
is an instance of the vtkGraphicsFactory class.
string = obj.GetClassName ()
int = obj.IsA (string name)
vtkGraphicsFactory = obj.NewInstance ()
vtkGraphicsFactory = obj.SafeDownCast (vtkObject o)