Height Maps in Marmoset Toolbag 3 Exported from Substance Painter 2

Apheleion

Hello all i have never really had any luck with height maps in Toolbag, i dont understand how they work. They eith ballon out my model or make my model look like a bundle of thorns, i normally use the Unreal 4 PBR set up for texture export from Substance Painter and use the Unreal 4 Material set up in Toolbag.

DRoss3d

From what I understand, the height map in Marmoset is used mainly for displacement while the height map in Substance Painter is used to create/influence the normal maps. 

Here's how marmoset reads height maps




Here's how painter reads/uses them

Apheleion

so is the height map from substance painter used as a detail normal?

DRoss3d

Pretty much but it doesn't tile like a regular detail normal map. When you export your textures from Painter, it converts the height map to a normal map and overlays it on top of the existing normal map.

Something like this

Apheleion

So do i have to overlay my height map onto my normal or is that already taken care of in the export so I just have to use the normal? also thank you very much this is very interesting and educational for me

DRoss3d

No problem, it was a little confusing for me for a while. When you export the textures it automatically does the height map to normal conversion and overlay for you.

Apheleion

alright so no height map or tessilation needed just use my normal and i am good to go

DRoss3d

Yep pretty much

Apheleion

you have been a huge help thanks so much!

Prutsirs_JayJay

This thread is really old I'm aware, but what's being said is wrong.
Substance painter/designer do put out a height map. They can also display it.
You display it in marmoset by putting it in the displacement section and turning on subdivision to the max. (or lower- experiment a little. but max is always most accurate)

Anshul

https://polycount.com/discussion/comment/2633200#Comment_2633200