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Rendering with Arnold in Maya using the MtoA plug-in.
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Mix shader losing children

6 REPLIES 6
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Message 1 of 7
amcclureXCM4W
317 Views, 6 Replies

Mix shader losing children

When I save a material and also save my Max 2018 scene any material that uses a mix shader is losing its child maps and materials. It saves the mix shader, but not the Arnold standard surface material or map-to-material or toon shader that I am trying to mix. I keep having to rebuild these materials! Anyone?

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6 REPLIES 6
Message 2 of 7

This sounds like a known issue: if you clearing the Slate view, then after you save and reload a scene, nodes are missing.

We're working on a fix for that now...



// Stephen Blair
// Arnold Renderer Support
Message 3 of 7
welcome55
in reply to: amcclureXCM4W

the same is happening with Matte shader when you have to plugin a Map to Material in the Passthrough. You have to build the Map to Material alone and then instance it to Passthrough slot to avoid "losing it"...

Message 4 of 7
amcclureXCM4W
in reply to: welcome55

Thank you! I will try that option until a fix is written. I have tried saving every node to a mat library - at least that would save me from having to re-set each node even if I have to reconnect the nodes.

Message 5 of 7

Thank you, it helps to know that it is a known issue and I'm not just making mistakes.

Message 6 of 7

This will be fixed in the next MAXtoA release. Sorry for the inconvenience.

Message 7 of 7

This was fixed in version 2.2.956, released yesterday.

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