[Radiance-general] HDR Sky Camera @ LBNL's Flexlab

[Greg Ward]

Yes, you're right.  It's only if you use the PENUMBRAS=True in rad or set -dj > 0 that you'll actually see the penumbras from light sources, including the sun.

Cheers,
-Greg

> From: John Mardaljevic <J.Mardaljevic at lboro.ac.uk>
> Subject: Re: [Radiance-general] HDR Sky Camera @ LBNL's Flexlab
> Date: June 28, 2014 1:07:19 PM GMT+02:00
> 
> Hi Greg, 
> 
> > The larger sun that includes circumsolar will lead to slightly enlarged penumbras in some cases, but it's a reasonable compromise.
> 
> I thought that (with default settings) a single ray is used to sample a "light" source solid angle, resulting in no solar penumbra.  Has this changed and/or am I misunderstanding this?
> 
> Cheers
> 
> John
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