RE: depth pass with transparency

["kim aldis" <kim(at)cg-soup.com>]

volume fog, pain in the a.

 

 

put a material on the pass then use something like this:

 

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From: owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM] On Behalf Of adrian
Sent: 21-March-2006 16:48
To: XSI(at)Softimage.COM
Subject: depth pass with transparency

i have a scene with multiple textured objects, each object has it's transparency driven by either a texture, or incidence

i want a depth pass (not zpic, i need it aliased!) but the depth pass must use the transparency of the objects as they appear in rgb pass

 

normally i'd overide the diffuse/ambient of all the materials with a white color state or similar, then apply a black volume fog

to the pass.....

 

but, when i do this, and switch back to the rgb pass, the diffuse connections on EVERY node in the rendertree are disconnected!

thus destroying my rgb pass......

 

any top tips from you lovely people on how to achive the depth pass i'm looking for?

i would render an rgb pass with fog, but then the color difference in the textures of the objects would read as depth information

 

bah!

Adrian Wyer
Fluid Pictures