Help: vray (and xmesh?) splotches in render

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  03 March 2013
Help: vray (and xmesh?) splotches in render

Hi guys,
the trouble of the day is: splotches on animated (baked) geometry in a prepass mode render.

- if I render in prepass mode (blending GI solutions per frame) artifacts appear on the mesh and a high setting is needed for an attenuation of them;
- if I render in single frame mode I obtain fine results.

My questions:
-Now, my baked walking character is an xmesh geometry, can its trimesh be a problem for vray (for smoothing surely )?
-Why single frame mode is cleaner then prepass mode?
Attached Images
File Type: jpg vray_splotches.jpg (59.5 KB, 13 views)

Last edited by savat : 03 March 2013 at 06:41 PM.
  03 March 2013
Try setting some interpolation mode in xmesh loader.
If vray samples across time that may help.
  03 March 2013
tnx for reply,
Tried all loading mode types...trouble persists :(
Other advice?
I continue to try other solutions
  03 March 2013
Sorry, I haven't got an XMesh license anymore or I would try and help. :(

I would post to Thinkbox.
poof ~>Vimeo<~
  03 March 2013
Originally Posted by JohnnyRandom: Sorry, I haven't got an XMesh license anymore or I would try and help. :(

I would post to Thinkbox.

Hey Johnny,
I have only the free loader and the baked
Trying on mesher copies and other stuff, problems add to problems...single frame renders fly like a charm (fortunately).
Chaos and ThinkB are the next step if the problem isn't my workflow
  04 April 2013
Hey Savat, sorry for late reply, IIRC I believe you need to include textureCoords and/or smoothingGroups in your export.
poof ~>Vimeo<~
  04 April 2013
...seems that my model have only ID channel saved on it but smoothing and other info are added by modifiers.
I will procure a xmesh with smoothing channel too for a new test.
At the moment, I've solved simply not using the vray "prepass" mode.

Thanks for your input
  04 April 2013
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