I'm trying to use Emissive material as a cove light, but all it does is send light directly opposite itself. Is there anyway to create spread in the lighting it emits? Your help page on emissive material has options that I don't seem to have, so maybe other programs have an option for light spread that Revit does not? (Emissive options I don't have: GI, IR:HSphS ,IR:Interp.S.) I've attached images of the options I don't have, and an example of the emitted light not spreading.