So I have a solution!
Though, I'd still be interested about the texture switch node's workflow? Is it not supposed to be used with attributes to control it? What's the use case then?

Just plug the textures into a gradient node like this:
Screenshot 2025-01-26 125720.png

Float to int expects float values as input but Float Vertex Attribute outputs Color values. That's why it's not working

Thanks but yeah in that case I usually use the "tool mix texture" but in my current ...

Is the setup identical to this example? Demonstrative setup in Standalone:

https://render.otoy.com/forum/download/file.php?mode=view&id=94813&sid=4eefed1df06bde467b07da35cd14dd01

The project file (can be copy-pasted directly to Standalone, XML format)

<?xml version='1.0' encoding='utf-8 ...

Just plug the textures into a gradient node like this:
Screenshot 2025-01-26 125720.png

Float to int expects float values as input but Float Vertex Attribute outputs Color values. That's why it's not working

Thanks but yeah in that case I usually use the "tool mix texture" but in my current ...

We got a character from another company, where I need to apply different textures in one material based on groups. I have tried a simplified version for now - I have a float mask attribute, which does render correctly and then use the "float to int" node in octane and feed that into a "texture ...

Alright, thanks for the info!

Oh and another thing I noticed:
When using the color to UVW projection it doesn't work for bump mapping. But what I found is that it does work with normal maps, so I guess it's a bug and not a limitation, right?

Hi,

I posted following bug a while ago in the Houdini-release. Ricky should have reported it to you, since it seems to be a standalone bug. Just checking in here, if there's any update on this.

To recap - it's a bug with analytic lights, which don't work properly. Sometimes some of them get ...

Alright, thanks!

Oh and one more thing. Just found out that the "projection color to uvw" doesn't work, when I try using it for bump mapping. It's working with normal maps though, so I assume it is a bug and not a limitation of that feature, right?