CGTalk - Viewport textures switch surfaces on render.

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Hamburger

01-12-2007, 01:38 AM

One of the most frustrating things I keep on encounting with Maya is when you assign certain textures to objects in the viewport they later turn up on different surfaces in the render.

For instance I'm doing an interior scene now and I've textured up everything nicely in the viewports. I was getting good renders for my diffuse pass but last night I set up a Batch Render and low and behold this morning my floor texture is on the ceiling and vice versa even though it's fine in the viewport!

My question is, is this a bug or is it something that's a problem on my end with the model? The walls, floor, skirting boards and ceiling are part of one mesh, is it a bad idea to assign multiple materials to the same object?

fabergambis

01-12-2007, 07:31 PM

You should extract each part of the whole mesh and assing different materials and textures.
Maybe Batch render becomes confused by that single mesh with multiple materials assigned.

Hamburger

01-13-2007, 04:28 AM

Thanks fabergambis, I already thought to do that and it works a treat.

For the future though, to avoid this issue again, is it a good idea to avoid building rooms (or any object for that matter) as one mesh with multiple materials and instead break it up so each material has it's own surface?

I always thought it was okay to assign two or three materials to a single mesh but I've been noticing this issue with other scenes as well and it gets annoying. Just wondering if anyone else gets it too and which workflow is the right way?

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01-13-2007, 04:28 AM

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