Op 21/10/2020 om 18:14 schreef MichaelJF:
> many thanks for your compliment. I'm not an experienced photographer but 
> I remember that professional photographers use white canvasses to 
> reflect the light of the sun or their flashlights especially in studio 
> ligthing behind or beside the camera. May be I invented the wheel again 
> here.
> 

It works, and that is the main purpose indeed. Initially, I thought that 
it was almost heresy to do such a thing when using radiosity, but I soon 
learned to think out of the box and just do what I thought best. :-)

> To switch media on or off in radiosity scenes depends on the scene and 
> the media used IMO. Having emitting media in a dark room one will like 
> to switch it on to illuminate the darker areas of the scene by the 
> media, e.g. a candle. Scattering media in bright light produce to much 
> reflections and the feature is better turned off. I think one cannot 
> give a generall guideline here. May be one can consider in a future 
> version of POV to implement a continous approach instead of the on/off 
> we have actually.
> 

Yes, I agree.


-- 
Thomas

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