Hello,

I have been playing with Daniel Gallardo's Earth Mesh HDA: https://github.com/xjorma/EarthMeshHoudini [github.com]

It generates a mesh with three prim attributes: "material_name", "material_override", and "shop_materialpath". The material texture renders in the viewport but I do not understand the process of translating this to Karma or other renderer.

There are over 2000 separate materials

Is there a tutorial or relevant documentation that explains this?

See attached screenshots

Any advice is much appreciated.

Thank you

Here is a screenshot diving inside the EarthMesh HDA.

He is using a loop and a Labs Quick material to generate the attributes

I managed to solve it for redshift renderer by calling up the "basecolor_texture" attribute as a local string parameter on the Material node then referencing that inside on the RStexture node plugged into the base color...

I had to transfer the 'material_override' attribute back onto the geo after the material node as it overwites that attribute.

Also there is som issue with the UVs but they seem to get corrected if I merge it with a grid with UVs, I dont really understand whats going on. I tried promoting UVs from point to vertex but it didnt help.

I would love to get this working in Karma. I found this tutorial [www.youtube.com] which may be a part of the answer but it does not solve the matching per prim...

If anyone has any better ideas or want more detail into my hacky solution lmk

Can you post the geo for this (or a subset of it, if it's large)? Setting up the HDA requires a Google account and a credit card to register.

I've written Python scripts for SOPs and for Solaris that can read texture files from a folder and assign them to geometry automatically, but I haven't done a transition of material overrides from SOPs to Solaris.

Curious what someone figures out. I'm trying to do this in Solaris/Karma, too.

Was anyone able to figure it out using redshift? I cant transfer material overide to the RS Texture

帕纳斯97
Was anyone able to figure it out using redshift? I cant transfer material overide to the RS Texture

Use Rs Material choose overide ?

liang444366454

帕纳斯97
Was anyone able to figure it out using redshift? I cant transfer material overide to the RS Texture

Use Rs Material choose overide ?

Here is an video explaining the redshift material override process: