vray shader issues

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  05 May 2013
vray shader issues

So I have this eye shader for mental ray that I wants to switch over to vray. I though switching the texture networks to a vray material would work fine but it looks like vray is handling the some 3d noise nodes differently.

I mapped the network to a mia material x and put it a plane and rendered with mray then took the same network and put it on a vray material and rendered the plane in vray. You can see the "vein" map is not showing up at all. I'm not sure whats going on exactly as all the network nodes are maya centric, not mental ray specific so I dont know why they would transfer over properly.

Here are the 2 renders and the 2 shader networks side by side



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  05 May 2013
Found a weird issue... on a fractal node if the frequency ratio is above 1 AND inflection is checked it basically renders all white. Without inflection its fine...
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  05 May 2013
I just found this..
http://forums.cgsociety.org/showthread.php?t=990625

Is this still the case nearly 2 years later?
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  05 May 2013
Originally Posted by mlager8: I just found this..
http://forums.cgsociety.org/showthread.php?t=990625

Is this still the case nearly 2 years later?
No. The noise texture in particular renders nearly identically to how it looks in the Maya SW renderer in recent builds. If you have a scene where it looks different, it would be best to post the scene on the official V-Ray forum and we'll look at what's going on.

Best regards,
Vlado
 
  05 May 2013
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