 | | | Separate BSP for shadow objects | Separate BSP for shadow objects 2004-06-08 - By Bernard Lebel
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Thanks Alex!
Bernard
-- -- Original Message -- --
From: "Alex Kilgour" <akilgour@(protected)>
To: <XSI@(protected)>
Sent: Tuesday, June 08, 2004 11:34 AM
Subject: RE: Separate BSP for shadow objects
> 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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