Reference model question 2005-05-10 - By Matt Lind
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The tag ID problem affects all objects as mental images does not guarantee
the tags will remain the same from frame to frame when rendering with mental
ray. Tag ID's are defined by the translator which passes data from your 3D
application to mental ray. The tag ID's are not defined until it's time to
render (or export to mi2). You can verify this by writing a mental ray
shader to assign a color value to an object based on it's tag ID.
You might get lucky and have sequences of frames here and there where the
ID's don't change, but over the long haul using Tag ID's in renders it not a
good idea without a method to lock down the ID's.
Matt
-- ---- ---- ---- ---- ---- --
Matt Lind
Animator / Technical Director
SOFTIMAGE certified instructor:
SOFTIMAGE|3D
SOFTIMAGE|XSI
Mantom, Chicago
Matt(at)Mantom.net
Re: Reference model question
Date : Mon, 09 May 2005 19:29:59 -0700
To : XSI(at)Softimage.COM
>From : Andy Jones <andy(at)thefront.com>
Subject : Re: Reference model question
That won't happen if we make the reference models local prior to rendering,
though, will it? Or does this problem stem from nested instances?
-Andy
Matt Lind wrote:
Not only that, the tag IDs change every frame too.
Matt
-- ---- ---- ---- ---- ---- --
Matt Lind
Animator / Technical Director
SOFTIMAGE certified instructor:
SOFTIMAGE|3D
SOFTIMAGE|XSI
Mantom, Chicago
Matt(at)Mantom.net
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