Vray light material as direct illumination not able to be invisible to camera.

[Intuition]

Ran a test with Vray light material being utilized as "direct illumination" so that the geometry acts like a light without the need for GI (casts direct rays and shadows as opposed to only photons in GI).

This works great but the main problem is that the Primary visibility flag works incorrectly. Instead of the geometry light object becoming invisible to camera it turns black and also blacks out the alpha as well acting like a matte object.

I would expect this function to make the geometry invisible to camera and have no effect on the alpha.

[vlado]

This is already fixed in the newer builds.

Best regards,
Vlado

[Intuition]

Ah, Yes, it is working. Thanks Vlado.

[Intuition]

Err, now its seems that even though I can make the object invisible to camera "primary visibility" the "visible in reflections" doesn't seem to work. I mean, when I have it unchecked the reflective surfaces can still see the light.

[vlado]

Internally the object is converted to a mesh light, so the normal visibility parameters do not transfer readily. (For example, the primary visibility is transferred to the "invisible" property of the light). We can probably link the secondary visibility to the "affect reflections" option of the resulting mesh light too...

Best regards,
Vlado