Reflection only visible to selected objects?

[vermu]

I am doing arch exterior scene and I am using plane with background picture to cast reflections on the windows. How can I setup the background plane so it's only casting reflections on the windows. There's alot of other reflective surfaces that don't need the background plane reflection.

[vlado]

This is possible with the trace sets feature in V-Ray 3.0 beta, but we don't have anything in V-Ray 2.x unfortunately (except rendering two passes, of course).

Best regards,
Vlado

[vermu]

Ok, thx for the reply. I'll try it with beta then.

[alexyork]

Probably quicker and safer and more convenient to simply render a pass with your reflections in the glass, then comp them in in post.

[mcnamex]

how about applying the textures in vray light (plane/soft box) and include only this light reflection to affect the object selectively.

[svetlozar.draganov]

This is very interesting solution and it works very well according to my tests

[Dariusz Makowski (Dadal)]

how about applying the textures in vray light (plane/soft box) and include only this light reflection to affect the object selectively.

I know its english but I dont get it... well I do sort off.. example plz

[svetlozar.draganov]

Ok here is one very simple example.
I have a light with a texture at the bottom and with Affect Reflection only - then from the Exclude List I select to exclude Sphere001 object and in the final render the texture is visible only in the Sphere002 object.

[rikou]

how about applying the textures in vray light (plane/soft box) and include only this light reflection to affect the object selectively.

a good tip in this particular case with 2.x !
thx

[Dariusz Makowski (Dadal)]

Ohh that.... ok. Humh interesting. I wonder now what could we do with vrayDirt include/exclude list and textures humh...