[Radiance-general] Lighting from a light probe

[Kirk Thibault]

I don't know if attachments are allowed, but here's a graphical 
explanation of my previous babble.

kirk

PS - Sorry if the attachment doesn't post - I can email it to you Tarik.
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On Jan 27, 2005, at 11:18 AM, Tarik Rahman wrote:

> Hi
> I'm trying to light a room with the light that's irradiated onto a 
> mirror sphere
> in order to insert synthetic objects into the room. In radiance I take 
> a close
> up .pic of the mirror sphere and convert it to a light probe using 
> HDRShop. Do
> I use same code as in Debevec's tutorial, you know
> void colorpict hdr_env
> 7 red green blue lp_smallMirr.hdr angmap.cal sb_u sb_v
> 0
> 0
>
> hdr_env glow env_glow
> 0
> 0
> 4 1 1 1 0
>
> !genbox env_glow room 50 30 50 -i | -t 2.5 2.85 2.5
>
> for the lighting? Will angmap.cal work for any light probe or do I 
> have to write
> my own because when I render this, the reflections from the light 
> probe aren't
> mapped onto the walls of the room properly?
>
> Thanks for any help
>
> Tarik
>
>
> --
> Tarik Rahman
> PhD student, Institute of Perception, Action and Behaviour
> School of Informatics
> University of Edinburgh
>
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