richardellison nous apporta ses lumieres en ce 2005-07-29 13:05:
> An area light with size vectors 24*x and 24*z, when placed fairly close to a
> surface should brightly illuminate a roughly square area on the surface,
> should it not?  The diffuse illumination on nearby surfaces from an area
> light should be related to the size and shape of the area light, but this
> does not appear to be the case, and I believe that this has been listed in
> the POV-Ray FAQ section.
> 
> Why is this important?  I frequently create interior architectural scenes
> where I want to show a fluorescent cove light.  I'd like to model the cove
> and put a long linear area light inside of it.  Because the diffuse
> illumination is the key here, the result, unfortunately, looks more like I
> put a point light inside of the cove.
> 
> So, should I resort to an actual array of point light sources?
> 
> 
> 
I had the same problem lately. My workaround was to use a few arealights lined up. It
gives you 
smoother shadows and the tiffuse illumination blendings did a nice job of hiding the
point-like 
diffuse areas. I used 3 area_light with intensities of 1/3 the original one.

Alain

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