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Amy Mcclure avatar image
Amy Mcclure asked ·

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?

shadermaterialtoonmix shader
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Stephen Blair avatar image
Stephen Blair answered ·

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...

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

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Olivier Desrois avatar image
Olivier Desrois answered ·

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"...

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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.

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Nicola Jannuzzo avatar image
Nicola Jannuzzo answered ·

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

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Nicola Jannuzzo avatar image
Nicola Jannuzzo answered ·

This was fixed in version 2.2.956, released yesterday.

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