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root/radiance/ray/src/cv/iso2klems.pl
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Comparing ray/src/cv/iso2klems.pl (file contents):
Revision 2.3 by greg, Thu Mar 10 17:26:04 2022 UTC vs.
Revision 2.4 by greg, Fri Aug 12 23:55:00 2022 UTC

# Line 48 | Line 48 | system "cat @ARGV | tabfunc -i @vnm > $funcfile";
48   die "Invalid input data, requires 5 columns\n" if ( $? );
49   open (MYFH, ">> $funcfile");
50   print MYFH "DEG : PI/180;\n";
51 < print MYFH "and(a,b) : if(a,b,a);\n";
51 > print MYFH "sq(x) : x*x;\n";
52   print MYFH "eq(a,b) : min(a-b+1e-5,b-a+1e-5);\n";
53   print MYFH "rtheta(i) : select(i,5,15,25,35,45,55,65,75,90);\n";
54   print MYFH "nphis(i) : select(i,1,8,16,20,24,24,24,16,12);\n";
55   print MYFH "tdeg1(tb) : if(tb-1.5, (rtheta(tb)+rtheta(tb-1))/2, 0);\n";
56 < print MYFH "omega1(tb) : 2*PI*if(tb-1.5, (cos(rtheta(tb-1)*DEG)-cos(rtheta(tb)*DEG))/nphis(tb),";
57 < print MYFH "\t(1 - cos(rtheta(1)*DEG)));\n";
56 > print MYFH "omega1(tb) : PI*if(tb-1.5, (sq(cos(rtheta(tb-1)*DEG))-sq(cos(rtheta(tb)*DEG)))/nphis(tb),";
57 > print MYFH "\t(1 - sq(cos(rtheta(1)*DEG))));\n";
58   print MYFH "tbin(b,cnt) : if(nphis(b)-cnt-.5, b, tbin(b+1,cnt-nphis(b)));\n";
59   print MYFH "tdeg(b) : tdeg1(tbin(1,b-1));\n";
60   print MYFH "omega(b) : omega1(tbin(1,b-1));\n";
# Line 65 | Line 65 | my $nsamps = $hsamps * 2;
65   if ($windoz) {
66          $cmd = qq{cnt $nsamps } .
67                  qq{| rcalc -f $funcfile -w -e "tdeg=180/$nsamps*(\$1+.5);abs(x):if(x,x,-x)" } .
68 <                qq{-e "theta=tdeg*DEG;ifact=2*PI*abs(cos(theta))*sin(theta)" } .
68 >                qq{-e "theta=tdeg*DEG;ifact=PI*PI*abs(cos(theta))*sin(theta)" } .
69                  q{-e "$1=ifact*Tdiff(tdeg);$2=ifact*Rdiff(tdeg)" } .
70                  qq{| total -$hsamps -m};
71   } else {
72          $cmd = qq{cnt $nsamps } .
73                  qq{| rcalc -f $funcfile -w -e 'tdeg=180/$nsamps*(\$1+.5);abs(x):if(x,x,-x)' } .
74 <                qq{-e 'theta=tdeg*DEG;ifact=2*PI*abs(cos(theta))*sin(theta)' } .
74 >                qq{-e 'theta=tdeg*DEG;ifact=PI*PI*abs(cos(theta))*sin(theta)' } .
75                  q{-e '$1=ifact*Tdiff(tdeg);$2=ifact*Rdiff(tdeg)' -od } .
76                  qq{| total -id2 -$hsamps -m};
77   }

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