Set up the shader the usual way then:
Enable pass motion blur. In the Scene Motion Blur Settings, set it to
"End on Frame" and make sure the speed is > 0. In the Mental Ray Motion
Blur tab, set the shutter to 0.
Cheers,
Nguyen.
Eric Lampi wrote:
I spoke too soon, the native motion buffer is not working all the way
through the shot.
Is there any way to use the LM2MV shader instead? If so, anyone kind
enough to walk me through how to set it up for 6.01?
E
Freelance 3-D Animator, F/X Artist
----- Original Message ----
From: Halfdan Ingvarsson <hingvars(at)Softimage.COM>
To: XSI(at)Softimage.COM
Sent: Wednesday, May 30, 2007 11:42:03 AM
Subject: RE: LM2MV and 6.01???
Black?
You're looking at the motion framebuffer output and not the output of
the main framebuffer, right? If the object isn't moving, it looks
gray. You can validate this in the render region by selecting the
motion channel to view. You don't need to do a special pass for it
either. It comes for free with the main render.
- ½
------------------------------------------------------------------------
*From:* owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM] *On
Behalf Of *Eric Lampi
*Sent:* 30-May-2007 11:34
*To:* XSI(at)Softimage.COM
*Subject:* Re: LM2MV and 6.01???
Thanks Halfdan,
I think I am still missing something. I set up a motion output
framebuffer, adjusted the motion vector length based on what MR
suggested, but it looks like only some of my geo is creating getting
the motion color applied, while the rest are black. They are all in
the same partition.
Is there some material, overrride or setting on the objects I am not
aware of? I tried looking in the docs but there's not much. I am
under the impression from your post yesterday that you set it up and
render that pass, if there are more steps involved please let me know.
I'm confused.
E
Freelance 3-D Animator, F/X Artist
----- Original Message ----
From: Halfdan Ingvarsson <hingvars(at)Softimage.COM>
To: XSI(at)Softimage.COM
Sent: Tuesday, May 29, 2007 6:00:47 PM
Subject: RE: LM2MV and 6.01???
Er. RSMB.
Damn acronyms.
- ½
------------------------------------------------------------------------
*From:* owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM] *On
Behalf Of *Halfdan Ingvarsson
*Sent:* 29-May-2007 17:58
*To:* XSI(at)Softimage.COM
*Subject:* RE: LM2MV and 6.01???
You don't need it for 6.0.1. The motion buffer is already rendered in
a format suitable for RMSB. You may have to change the output format
to a 16-bit or float RGB(A) image but that's about it.
- ½
------------------------------------------------------------------------
*From:* owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM] *On
Behalf Of *Eric Lampi
*Sent:* 29-May-2007 17:56
*To:* XSI(at)Softimage.COM
*Subject:* LM2MV and 6.01???
Having trouble getting it to work. The motionblur menus are all
different so I am not sure if it's something I am overlooking or it's
just broken.
E
Freelance 3-D Animator, F/X Artist
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