OTOY Forums

Hi,
When assigning a material to an object and modifying the mesh with a Magnet node (+Metaball), the texture "moves" and doesn't stay at the position I want it to. Any ideas here?
I use Procedural turbulence in the Octane material builder and don't want to use the Projection node...
Thanks!

Have you tried to add a UV map to the object? It should help also with the procedural textures that have mesh deformations.

Thanks,
-Juanjo

Hi,
Yes, but then it looks different from the first texture without UV map (via unwrap node).
Best wishes,
Thomas

Maybe you can just play with a transform to adjust the texture, but I have a problem where I have to polywire my hair so my procedural texture sticks to it as I am deforming it and even using the same width and everything my texture looks and behave completely different.

Currently, as far as I know, the only workflow to fix procedural textures to the mesh objects with deformations is using a UV map. Octane doesn't have the concept of a "rest" position, available in Mantra and other renderers.

Thanks,
-Juanjo

Hi,
Thanks, but as a test, I created a transform node in a GEO node and transformed the object; here, the procedural texture does not move with the object (it is not attached to the mesh!). But when I use the transformation possibility on the OBJ level, I can move the object and the procedural texture moves correctly...
Best wishes,
Thomas

Because when you transform a mesh at the SOP level you are physically deforming the mesh, so without UVs the procedural texture is not fixed to the mesh surface. But when you transform it at the OBJ level, the mesh is static, what you are modifying is the object transformations matrix and with it the texture projection. If you only need a plain transformation, you should do that always at the OBJ level.

Thanks,
-Juanjo

Hi,
Thanks. I tried it with UVW but is there a way to get a seamless procedural? Couldn't do it...
Best wishes,
Thomas

Sorry, can you please share this scene? I've tried to reproduce this issue while working with the Octane noise node over a UV mapped mesh, but without luck so far.

Thanks,
-Juanjo

Hi,
Seems to work right now. It was my fault... I did something wrong. Sorry for the inconvenience and thanks for your help!
Best wishes,
Thomas