Weird 32bit displacement stretchings and noise

[rodo3d]

Hi everybody.
I'm a sculptor and I usually rely on another software to render but I recently decided to try Vray!

A couple weeks ago I tried a 32bit displacement map, exported from Zbrush. After a bit of tweaking I got fine results.

This time I continue to have weird issues:
1) looks like the displacement pulls and stretches in the directions suggested by the arrows
2) I can see weird subtle lines cutting the face
3) The quality of the test is way lower than my first experiment



I've played with a bunch of settings but I can't seem to get around this problem.
Does anybody have a clue?

Many thanks!

[Svetlozar Draganov]

Would it be possible to send us scene file along with displacement map for investigation?
High resolution mesh will be also very helpful for comparison between original geometry and displaced low-resolution mesh.

Which Vray version you are using?

[Rens]

Is the gamma set wrong?

[rodo3d]

Would it be possible to send us scene file along with displacement map for investigation?
High resolution mesh will be also very helpful for comparison between original geometry and displaced low-resolution mesh.

Which Vray version you are using?

Hi Svetlozar,
I cannot send you my files unfortunately.

This is the 4millions high resolution mesh imported and rendered directly from another software without displacement maps.



As you can see the high frequency detail is rendered correctly.

This is the 32bit EXR displacement, which for some reason is red.

Is the gamma set wrong?

I played with gamma and it makes no difference :/

[rodo3d]

Forgot to mention I'm using Vray 2.5

[Svetlozar Draganov]

What type of Displacement you are using?
Can you send us a screenshot of the VrayDisplacementMod settings?