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[MtoA] Using standins with MASH dynamics
Here’s a way to use standins with MASH dynamics: instance a low-poly mesh that has its Arnold Translator set to procedural. Use a low-poly primitive as a proxy for the standin In the low-poly...
View Article[mtoa] Running a silent install
On Windows, run the MtoA installer with the flags /S /FORCE_UNINSTALL=1 MtoA-2.0.2.2-2018.exe /S /FORCE_UNINSTALL=1 You can use /D to specify a different install location. On Linux, use the – – silent...
View Article[clm] product key not found (44)
The Problem To use Autodesk licenses for Arnold when you batch render with Maya, Arnold must be registered in the Product Information file (aka the PIT file). Normally the MtoA installer does this for...
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[MtoA] Jittering color with user data
To jitter color with user data, you need to connect an aiUserDataInt to the data input parameter, like this: The user data is an mtoa_constant attribute on the shape. For example, if add an extra...
View Article[mtoa] Register failed for arnoldAOVChildSelector
If you see this error in the script editor # Error: Register failed for arnoldAOVChildSelector # that means your preferred render layer setup is Legacy Render Layers (so MtoA fails to register...
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[MtoA] cross-platform volume file names
The Arnold volume node uses the texture search path, so you don’t have to use an absolute path in the volume filename. So if you need to set up a Maya scene so that the OpenVDB volumes work on any...
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[MAXtoA] Rendering XGen in 3ds Max
You can export an ASS file from Maya (with the XGen primitives) and then use an Arnold Procedural to load the ASS file into 3ds Max. You need to add these two folders to the system environment...
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[mtoa] Getting a Process Monitor log to troubleshoot problems loading mtoa
If a clean install of MtoA doesn’t work (and the computer does support SSE4.1), then “The specified module could not be found.” usually means there’s a missing dependency. Dependency Walker is a...
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ShadingGroup has no surfaceShader input
If you see this warning when you render Warning: [mtoa] [translator polymesh] ShadingGroup exampleSG has no surfaceShader input it’s because a shadingEngine node either has nothing connected to the...
View ArticleCouldn't register Arnold renderer in Maya PIT file (error while parsing .pit...
For Arnold itself, you can ignore that message. Unless you have an Arnold license. Couldn't register Arnold renderer in Maya PIT file (error while parsing .pit file). Please contact...
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