Stochastic Tiling on Bump Maps causes square artifacts

[kosso_olli]

Hey guys,
I have a small problem here.
Using VrayUVWRandomizer as a mapping source for bump maps with stochastic tiling causes a result like this:

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The bump map is a simple black-and-white texture.

Best regards

Oliver

[vladimir_krastev]

Hi, thanks for posting. This is a known issue (VMAX-9639). We are working on a fix but I can’t share any release timeline.
Could you try to use VRayColor2Bump instead of bump. This should be a valid workaround but please confirm if it worked at your setup.

[kosso_olli]

Well, apparently it is happening with normal maps as well, although it’s harder to see. How do I deal with those?

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[kosso_olli]

And also with Displacement only, too. The Displacement mode is 3D, I thought this should work?

Regards

Oliver

[vladimir_krastev]

it is happening with normal maps as well, although it’s harder to see. How do I deal with those?

Please try to adjust the tile blend parameter. Here I have a VRaBitmap in the displace slot of the material with a UVWRandomizer in stochasting tiling mode:

Probably it is best if you could archive and send us the scene to make sure we are using the same workflow.

[kosso_olli]

We had to fix this in post because there was not time to do it in 3D.
I will prepare a scene.