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root/Development/ray/src/gen/skybright.cal

Comparing ray/src/gen/skybright.cal (file contents):
Revision 2.2 by greg, Fri Mar 20 12:23:37 1992 UTC vs.
Revision 2.3 by greg, Wed Jun 17 11:15:32 1992 UTC

#	Line 20 | Line 20 | skybright = wmean((Dz+1.01)^10, if(A1, cloudysky, sunn
20
21		wmean(a, x, b, y) = (a*x + b*y) / (a + b);
22
23	<	cloudysky = A2 * if(A1-1, 1, (1 + 2*Dz)/3);
23	>	cloudysky = A2 * if(A1-1.5, 1, (1 + 2*Dz)/3);
24
25		sunnysky = A2 * (.91 + 10*exp(-3*gamma) + .45*cosgamma*cosgamma)
26		*  if( Dz - .01, 1.0 - exp(-.32/Dz), 1.0) / A4;

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