Render ID or Material ID ?

[Sonneur]

I want to make this tutorial :
http://3dats.com/training_vray.asp?g...FQFhQgodyiY9mw
does Render ID or Material ID work on VRay for SU ? I have just a black render with Material ID.

[dalomar_cg]

Re: Render ID or Material ID ?

Render ID will work. Material ID is one of the unsupported channels at the moment.

[Sonneur]

Re: Render ID or Material ID ?

I made this simple scene :



and the Render ID doesn't work. What's wrong ?

[thomthom]

Re: Render ID or Material ID ?

RenderID colours each separate object a different colour. Doesn't take into account materials.

[Sonneur]

Re: Render ID or Material ID ?

Pas de chance pour moi alors... (no chance for me so...)
I'm looking for something to separate the materials.

But I made the same scene with 2 objects and I have this :

[thomthom]

Re: Render ID or Material ID ?

Are they contained in their own separate groups/components? That's what defines an Object for the RenderID. It won't treat unconnected geometry as separate objects.

[Sonneur]

Re: Render ID or Material ID ?

Thanks that's work (when I separate with group/components)