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Why does height map displacement appear warped with a cube mesh?

New Here ,
Jun 03, 2022 Jun 03, 2022

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I've noticed when using a cube to preview my material in Substance Designer that the bevel I apply looks quite warped at certain angles. If I switch to a rounded cube or cylinder however, everything looks clear and sharp. 

I was curious as to why this is? Is it related to the geometry of the mesh? When I export this and use it in other programs will I encounter similar issues?

Screenshot: 

Screen Shot 2022-06-04 at 3.11.26 pm.png

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Substance Graph

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Adobe Employee ,
Jul 07, 2022 Jul 07, 2022

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Hello,

 

Indeed, the issue is related to the geometry of the mesh. If the mesh does not have enough vertex density, a higher subdivision count is required to model the details provided by the height map.

Even then, this cube mesh has a single polyon on each side, which means even with subdivision the resulting geometry may not be fit for purpose.

 

You may refer to this thread for a primer on tessellation displacement. Let me know if you need further information, I will be happy to provide!

 

Best regards.

 

Luca Giarrizzo | QA Analyst, 3D & Immersive | Adobe

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Adobe Employee ,
Jul 18, 2022 Jul 18, 2022

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Additionally, you may refer to the 3D object is flat section in this page of our documentation.

 

Luca Giarrizzo | QA Analyst, 3D & Immersive | Adobe

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