There is a handy booltrace shader by Alan Jones on http://rray.de/xsi/
That maybe sounds similar to what you are looking for Jeff From: [email protected] [mailto:[email protected]] On Behalf Of Eric Lampi Sent: Thursday, January 23, 2014 10:55 AM To: [email protected] Subject: Matte from Geo intersection Can anyone offer a suggestion how to achieve this? Just a simple matte on an object where another one is intersecting, so the surface inside the volume is white, outside is black. The volume itself would be hidden. The geo isn't very dense, someone here suggested generating a wieghtmap via ICE, but it won't have enough resolution. Eric Freelance 3D and VFX animator http://vimeopro.com/user7979713/3d-work
