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Hi,

Title says it all. When mirroring an instance I'm getting bump reversed. Breaking the instance link fixes the problem.

3dsmax 2014.

Hi, I can't reproduce this issue, I've tried mirroring a box with a global bump on it and the bump map matched the viewport preview.
Can you give me a sample scene ?

It seems it doesn't happen with global bump, but it does with the BSDF bump and instanced object. It should be easy to reproduce, I've just made a new scene that shows it.

This happens with bump in the BSDF (Instance on the left, original object on the right):



I found also a strange behaviour if I put the bump in global and BSDF at the same time:



The scene:

http://www.ftella.com/links/mirrored%20 ... 20bump.max

Hello Fernando,

Glad to see you.

Sadly I can not reproduce your fail.

Here I have one object and its instance, with a bump map applied to the Global Bump, and as you can see, there is no difference between them.

Am I missing something?

Cheers

Dario Lanza

Hola Darío,

Mirrored instance? I've noticed if "Use 3dmax instances" is unticked it doesn't happen but it does if ticked; so probably it's only about 3dsmax plugin. I remember Mihnea saying that option sometimes breaks things.

The strange behaviour about using the same map in both global bump and BSDF bump still happens without using 3dsmax instances.

dariolanza wrote:with a bump map applied to the Global Bump
Dario Lanza

Apply it to the bump chip inside the BSDF. It doesn't happen with global.

Bump!