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greg |
2.1 |
#!/bin/csh -f |
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# SCCSid "$SunId$ LBL" |
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# |
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# Do depth-of-field blurring on picture |
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# |
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if ($#argv < 5) then |
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echo "Usage: $0 aperture distance nsamp picfile zfile [pinterp opts]" >/dev/tty |
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exit 1 |
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endif |
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set a = "$1" |
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set d = "$2" |
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set n = "$3" |
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set pict = "$4" |
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set zbf = "$5" |
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set piopt = ($argv[6-]:q) |
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cnt $n | rcalc -e `vwright i < $pict` \ |
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-e "M:19;a:$a/2;d:$d;N:$n;" -e 'tmax:PI*a*(M+1)' \ |
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-e 't=tmax/N*($1+rand($1))' \ |
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-e 'theta=2*M*PI/(M-1)*(M-sqrt(M*M-(M-1)/(PI*a)*t))' \ |
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-e 'r=a*(1-(M-1)/(2*M*M*PI)*theta)' \ |
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-e 'rcost=r*cos(theta);rsint=r*sin(theta)' \ |
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-e 'opx=ipx+rcost*ihx+rsint*ivx' \ |
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-e 'opy=ipy+rcost*ihy+rsint*ivy' \ |
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-e 'opz=ipz+rcost*ihz+rsint*ivz' \ |
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-e 'os=is-rcost/(d*ihn);ol=il-rsint/(d*ivn)' \ |
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-o 'VIEW= -vp ${opx} ${opy} ${opz} -vs ${os} -vl ${ol}' \ |
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| pinterp -vf $pict $piopt -B $pict $zbf |
