 | | | Separate BSP for shadow objects | Separate BSP for shadow objects 2004-06-08 - By Alex Kilgour
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Hi Bernard,
mental ray has an option that allows the generation of two distinct BSP trees
for visible objects and shadow objects. This is useful if using complex visible
geometry but simplified geometry for shadow generation. It will make the lookup
for shadow rays much faster in that case. If all objects are both visible and
shadow casters then turning this option on has no benefits.
I can't find this in the documentation either so I will log a bug about the
lack of information.
Alexandra Kilgour
Softimage XSI Support Engineer (UK)
-- --Original Message-- --
From: owner-xsi@(protected) [mailto:owner-xsi@(protected)]On Behalf
Of Bernard Lebel
Sent: 08 June 2004 10:21
To: XSI@(protected)
Subject: Separate BSP for shadow objects
Hello,
I am wondering if anyone knows the "separate bsp for shadow objects" is
doing? I mean what is the impact on performance? I'm looking in the docs but
can't find a single line that mentions that feature.
Thanks
Bernard
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