I think to get the effect you want, you can put a grid that you want to catch the shadows and apply a shadow material to it. I should not be visible in your renders but a shadow would be cast onto it and hence it will be composited on top of your background plate.
-----Original Message-----
From: owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM] On Behalf Of Tim Leydecker
Sent: September 21, 2006 11:05 AM
To: XSI(at)Softimage.COM
Subject: Re: "use backround shader"?
Umhh, I should have described it´s functionality obviously...
The "use backround shader" picks up the color of whatever
is behind it, e.g. the environment color or imageplane color
(whatever comes first) but also receives shadow and can
have reflections to it. It´s mostly assigned to geometry
supposed to catch shadow from a foregroundelement,
like in my case a character and "ground" things together.
I could allways render an empty pass with just the envmap
and project that back through camera onto those objects
but I was looking for something quick and dirty.
Cheers
tim
----- Original Message -----
From: "André Adam" <a_adam(at)49games.de>
To: <XSI(at)Softimage.COM>
Sent: Thursday, September 21, 2006 4:35 PM
Subject: Re: "use backround shader"?
> So, what does it do?
>
>
> Tim Leydecker wrote:
>> Hi guys,
>>
>> I´m looking for the equivalent or even a superior
>> counterpart to Maya´s "use backround shader".
>>
>> Where do I find such type in XSI?
>>
>> Cheers
>>
>> tim
>
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