[Radiance-general] Sun too close to zenith
Rob Guglielmetti
rpg at rumblestrip.org
Thu Dec 8 00:06:18 CET 2005
Gregory J. Ward wrote:
> Hi Rob,
>
> I'm not exactly sure why I put this in there, it was so long ago.
>
> You can try removing lines 218-225 in gensky.c and recompiling without:
>
> if (!overcast && altitude > 87.*PI/180.) {
> fprintf(stderr,
> "%s: warning - sun too close to zenith, reducing altitude to 87
> degrees\n",
> progname);
> printf(
> "# warning - sun too close to zenith, reducing altitude to 87 degrees
> \n");
> altitude = 87.*PI/180.;
> }
>
> Try a few data points where the sun is at the zenith and see what
> happens.
Thanks Greg, I'll check it out; thanks for getting back to me so quickly.
- Rob
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