Hidden self illum objects?

[hughg]

Quick question,
Having self illum objects like a ceiling casting light in a general fashion I find is great, but I dont want to render a self Illum ceiling I want to render the ordinary ceiling, can the self Illum ceiling be invisible and the ordinary one visible.
how is it done then?

Hughg

[Da_elf]

try calculating the irradiance map with one roof then save it and change the roof then render with the saved irradiance map

[b-spline]

of course. object propeties/ invisible to camera!

[hughg]

Much appreciated Chaps
Hughg