[Radiance-general] mksource program

[Gregory J. Ward]

Hi Santiago,

Thanks for giving mksource a try -- and for sharing your results.

You might try adding "-dj .6 -ps 1" to your rpict options (or setting 
PENUMBRA=True if you're using rad) to see if that helps with a smaller 
number of light sources.  If it still looks wonky, maybe I'll reduce 
the maximum source angle default.

-Greg

> From: "Santiago Torres" <tiago at tkh.att.ne.jp>
> Date: April 20, 2005 1:12:14 AM PDT
>
> Hi Greg and all,
> I`ve tried mksource a bit and it works wonderfully, it`s a great 
> program
> (and just what I needed)
> I put a page with the first sample renders:
> http://home.att.ne.jp/banana/tiago/radiance/mksource.htm
> rpict was only with -ab 1, and all the rest defaults since I just 
> wanted to
> test the sources
>
> first I tried mksource with the default settings but it seemed to 
> produce
> too few sources, and the render looked unnatural
> (don`t think this could be fixed with rpict settings)
> I tried changing the max angle to 0.5 (-a .5) but that was too small, 
> and
> the render took too long (at least for my laptop)
> so I tried other three values (5 deg, 2 and 1, after moving to a faster
> computer) and the differences are visible. The render with -a 1 took 
> about
> 15 hours, so I don`t want to imagine what would happen with -ab 3 -ad 
> 5000
> etc...
> I guess it`s a compromise, and maybe making the threshold higher would
> reduce the number of sources and allow a smaller -a?
> I will keep trying other settings and let you know how it goes.
> Regards
>
> Santiago