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Jrw467 Jrw467 avatar image
Jrw467 Jrw467 asked ·

"Render selected objects" doesn't work for instances.

The new render setting Render selected objects works very well for my workflow. I can render only the material I want to render by selecting the material tag from the object manager, save the rendered images from picture viewer as PSD with layers, open them in Photoshop, and use the alpha layer to select the rendered area and copy/paste it to my previous rendering.

However, I've discovered that this does not work when the rendered object is an Instance Object. I use instance objects to render multiple copies in different configurations in the same scene. Somehow the Arnold renderer does not capture the material tag, or the selected object, from the original object that the Instance Object is referencing. Changing the Instance Mode doesn't make a difference.

Is this possible to fix? Are there workarounds?

Thank you.

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Peter Horvath avatar image
Peter Horvath answered ·

Sure, this could be fixed. Don't think there's a workaround at the moment. You can add the material to the Instance Object to be picked up if only a single object is instanced, but this won't work when instancing an object hierarchy.

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Jrw467 Jrw467 avatar image
Jrw467 Jrw467 answered ·

@Peter Horvath Yes, the material/object to be rendered is deep down in an object hierarchy so that workaround won't work. If you can manage to fix it, it would be incredible. Thank you.

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Please send an email to support@arnoldrenderer.com referring to this thread and with a valid Arnold license I can send you a custom build with the fix to test. Please tell your C4D and C4DtoA version and platform (win or mac) in the email.

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