POV-Ray : Newsgroups : povray.programming : >1600 radiosity samples: right costheta distribution? : Re: >1600 radiosity samples: right costheta distribution? Server Time
4 Oct 2024 23:16:23 EDT (-0400)
  Re: >1600 radiosity samples: right costheta distribution?  
From: Anders K 
Date: 4 Jan 2003 12:46:25
Message: <3e171df1@news.povray.org>
Apache wrote:
> IS MY DISTRIBUTION CORRECT?

When viewed from above (+z), a cos theta distribution should look like
uniformly spaced points on a disc. (This isn't hard to show with a little
math.) But neither of your +z views look that way.

Anders

--
#macro E(D)(#if(D<2)D#else#declare I=I+1;mod(pow(.5mod(I 6))*asc(substr(
"X0(1X([\\&Q@TV'YDGU`3F(-V[6Y4aL4XFUTD#N#F8\\A+F1BFO4`#bJN61EM8PFSbFA?C"
I/6 1))2)<1#end)#end#macro R(D,I,T,X,Y)#if(E(D))R(D-1I,T,Y/2X)R(D-1I,T+Y
/2Y/2X)#else box{T T+X+Y pigment{rgb E(2)*9}}#end#end R(10,5z*3-1v*2u*2)


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