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root/radiance/src/util/genBSDF.pl
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Comparing src/util/genBSDF.pl (file contents):
Revision 2.85 by greg, Tue May 5 22:35:58 2020 UTC vs.
Revision 2.86 by greg, Wed May 6 00:36:28 2020 UTC

# Line 326 | Line 326 | sub do_ttree_dir {
326                                  qq{-e "r4=rand(-1.5839226*recno-59.82712)" } .
327                                  qq{-e "odds(n):if(.5*n-floor(.5*n)-.25,-1,1)"} .
328                                  qq{-e "Dx=1-(\$1+r1)/$ns2" } .
329 <                                qq{-e "Dy=odds(\$1)/$ns*r2" } .
329 >                                qq{-e "Dy=min(1/$ns,sqrt(1-Dx*Dx))*odds(\$1)*r2" } .
330                                  qq{-e "Dz=sqrt(1-Dx*Dx-Dy*Dy)" } .
331                                  qq{-e "xp=(\$3+r2)*(($dim[1]-$dim[0])/$nx)+$dim[0]" } .
332                                  qq{-e "yp=(\$2+r3)*(($dim[3]-$dim[2])/$ny)+$dim[2]" } .
# Line 342 | Line 342 | sub do_ttree_dir {
342                                  qq{-e 'r4=rand(-1.5839226*recno-59.82712)' } .
343                                  qq{-e 'odds(n):if(.5*n-floor(.5*n)-.25,-1,1)' } .
344                                  qq{-e 'Dx=1-(\$1+r1)/$ns2' } .
345 <                                qq{-e 'Dy=odds(\$1)/$ns*r2' } .
345 >                                qq{-e 'Dy=min(1/$ns,sqrt(1-Dx*Dx))*odds(\$1)*r2' } .
346                                  qq{-e 'Dz=sqrt(1-Dx*Dx-Dy*Dy)' } .
347                                  qq{-e 'xp=(\$3+r3)*(($dim[1]-$dim[0])/$nx)+$dim[0]' } .
348                                  qq{-e 'yp=(\$2+r4)*(($dim[3]-$dim[2])/$ny)+$dim[2]' } .

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