[Sidefx-houdini-list] mantra -u question
dan.seddon at framestore-cfc.com
Wed Jan 18 14:41:04 EST 2006
Is this self reflection? Maybe try providing a phantom version of your
object (without the -u option)? It might be considering the target
object as flatterned in UV space too (do shadows work) - or possibly the
other way round (though this is less likely as you'd think other things
would render out incorrectly).... It could be getting quite a few
different vectors wrong to give this result - though I'd expect you to
see the same errors in lighting bakes too.
Occlusion in prman is a grid render process which is technically
different from a call you would use in reflection, so if mantra is the
same maybe you could understand it's not having the same bugs.
> Looks to me like it's broken, unless I'm doing something wrong...
>Occlusion works, so some raytracing is working, but not reflections
>On 18/01/06, Phil Spicer <PSpicer at bournemouth.ac.uk> wrote:
>>Do you know if it is possible to unwrap a reflection using the mantra -u
>>/obj/model:uv command? I can get it to unwrap what looks like a metal
>>shader but without any objects reflected in it. I can get it working
>>with standard procedural shaders...
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