[Radiance-general] Re: Adding the sun to image based lighting environment

[Lars O. Grobe]

Hi Anne!
> Yes - have tried both - and no difference. I get however an oconv
> warning that my srcs.rad file is empty. The experience I have with this
> warning is that it is related to a missing material description, which
> in this case is included in the Environment.rad.

The best for debugging is to render the scene before converting it by
mksource. If this does not work, you know that the initial scene
description has problems to get rendered.

One thing that just catches my eye, why does your sphere have a negative
radius (-1000)? If you wanted the normals to point inside, you should
use a bubble object instead of a sphere object still with positive
radius. I do not know about the effect of a negative radius at all and
would guess that it is not valid.

Cheers, Lars.
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