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