orig/pdfblur.csh
author Axel Jacobs <axel@jaloxa.eu>
Mon, 14 Apr 2014 22:21:17 +0100
changeset 73 87fa3132a136
parent 0 0aa115157c9c
permissions -rw-r--r--
New IES test file with spaces in file name
     1 #!/bin/csh -f
     2 # RCSid: $Id: pdfblur.csh,v 2.6 2005/01/18 01:37:43 greg Exp $
     3 #
     4 # Generate views for depth-of-field blurring on picture
     5 #
     6 if ($#argv != 3) then
     7 	echo "Usage: $0 aperture nsamp viewfile"
     8 	exit 1
     9 endif
    10 set a = "$1"
    11 set n = "$2"
    12 set vf = "$3"
    13 cnt $n | rcalc -e `vwright i < $vf` \
    14 -e "M:$n/5+1;a:$a/2;N:$n;" -e 'tmax:PI*a*(M+1)' \
    15 -e 't=tmax/N*($1+rand($1))' \
    16 -e 'theta=2*M*PI/(M-1)*(M-sqrt(M*M-(M-1)/(PI*a)*t))' \
    17 -e 'r=a*(1-(M-1)/(2*M*M*PI)*theta)' \
    18 -e 'rcost=r*cos(theta);rsint=r*sin(theta)' \
    19 -e 'opx=ipx+rcost*ihx+rsint*ivx' \
    20 -e 'opy=ipy+rcost*ihy+rsint*ivy' \
    21 -e 'opz=ipz+rcost*ihz+rsint*ivz' \
    22 -e 'os=is-rcost/(id*ihn);ol=il-rsint/(id*ivn)' \
    23 -o 'VIEW= -vp ${opx} ${opy} ${opz} -vs ${os} -vl ${ol}'