[vtkusers] Hardware Clipping planes

[Dimitris Agrafiotis]

On Fri, 09 Mar 2001 16:11:56 +0000 John Biddiscombe 
<jbiddiscombe at skippingmouse.co.uk> wrote:

> Look at SetClippingPlanes in the existing mappers. You can define your 
> planes as a vtkPlane collection (or implicit function) and then 
> do->SetClippingPlanes().
> 
> I suspect it is exacly what you're after.
> 
> JB

Hi John

I did that, but what I get is the geometry inside the area defined by 
the planes. Let's say that the planes define a cube. What I want to 
take is everything outside that cube, and not in it. Is there any 
way I can do that?

Dimitris