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root/Development/ray/src/util/genBSDF.pl

Comparing ray/src/util/genBSDF.pl (file contents):
Revision 2.29 by greg, Fri Feb 17 00:14:46 2012 UTC vs.
Revision 2.31 by greg, Mon Feb 20 04:54:49 2012 UTC

#	Line 403 | Line 403 | KprojOmega = PI * if(Kbin-.5,
403		$kcal = '
404		DEGREE : PI/180;
405		abs(x) : if(x, x, -x);
406	<	Acos(x) : 1/DEGREE * if(x-1, 0, if(-1-x, 0, acos(x)));
406	>	Acos(x) : if(x-1, 0, if(-1-x, PI, acos(x))) / DEGREE;
407		posangle(a) : if(-a, a + 2*PI, a);
408	<	Atan2(y,x) : 1/DEGREE * posangle(atan2(y,x));
408	>	Atan2(y,x) : posangle(atan2(y,x)) / DEGREE;
409		kpola(r) : select(r, 5, 15, 25, 35, 45, 55, 65, 75, 90);
410		knaz(r) : select(r, 1, 8, 16, 20, 24, 24, 24, 16, 12);
411		kaccum(r) : if(r-.5, knaz(r) + kaccum(r-1), 0);
#	Line 584 | Line 584 | print
584		<ScatteringDataType>BRDF</ScatteringDataType>
585		<ScatteringData>
586		';
587	<	# Output front reflection (reciprocity averaging)
587	>	# Output front reflection (transposed order)
588		for (my $od = 0; $od < $ndiv; $od++) {
589		for (my $id = 0; $id < $ndiv; $id++) {
590	<	print .5*($rfarr[$ndiv*$id + $od] + $rfarr[$ndiv*$od + $id]), ",\n";
590	>	print $rfarr[$ndiv*$id + $od], ",\n";
591		}
592		print "\n";
593		}
#	Line 637 | Line 637 | print
637		# Output back reflection (reciprocity averaging)
638		for (my $od = 0; $od < $ndiv; $od++) {
639		for (my $id = 0; $id < $ndiv; $id++) {
640	<	print .5*($rbarr[$ndiv*$id + $od] + $rbarr[$ndiv*$od + $id]), ",\n";
640	>	print $rbarr[$ndiv*$id + $od], ",\n";
641		}
642		print "\n";
643		}

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