Emitter renders Black??

[nzjimmy2001]

For some reason any emitter I render in my scene turns black. Help!!

Why is this happening?

[Devin Johnston]

It could be that the object you applied the emitter to has its normal’s flipped, or the emitter material it's self is turned off or the wattage is very low.

[nzjimmy2001]

hmm doesn't seem to be any of those problems. bugger. thanks for the suggestion tho.

[ClaudeFerret]

Are you rendering from a plugin, or from Studio?

[nzjimmy2001]

from plugin

[ClaudeFerret]

Apply your emitter to a solid, like a sphere, and see if it still is black. Also, does the emitter thumbnail material show up as black?

[nzjimmy2001]

yes i did try applying it to a plane. yes the preview is white as it should be. i was thinking it may be a scene scale issue?

[ClaudeFerret]

Well you could crank up the emitters value to a ludicrous level to see if it is illuminating the scene. I have heard of this problem with scenes containing old maxwell information mixed together with current mats.

 

If changing the values of your emitter does nothing, I would suggest moving it to Studio and trying it there. Apply the default mat to every object in your scene, then create a new emitter in Studio and apply it to your plane. Crank up the level of the emitter and see if you get a result. Double check the normals direction.

 

This should get a result, if it doesn't, try posting the file and I am sure someone will help take a look at it for you.

 

If it is Rhino, I would be happy to check it.