[vtkusers] 2D= 3D with z=0 in vtk?

[Jens]

Hi
I just examined vtkPoints which I use to create an unstructured grid using 
vtkPointSet::SetPoints(vtkPoints*).
vtkPoints saves for each point 3 coordinates.
Does that mean I have 1/3 zeros in my memory after I loaded a 2D-grid?

	Greetings
		Jens