orig/pgblur.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: pgblur.csh,v 1.2 2008/11/10 19:08:19 greg Exp $
     3 #
     4 # Apply Gaussian blur without resizing image
     5 # More efficient than straight pfilt for large blurs
     6 #
     7 if ( $#argv != 3 ) then
     8 	goto userr
     9 endif
    10 if ( "$1" != "-r" ) then
    11 	goto userr
    12 endif
    13 if ( "$2" !~ [1-9]* ) then
    14 	goto userr
    15 endif
    16 set rad = $2
    17 set inp = "$3"
    18 set reduc = `ev "floor($rad/1.8)"`
    19 if ( $reduc <= 1 ) then
    20 	exec pfilt -1 -r $rad $inp:q
    21 endif
    22 set filt = `ev "$rad/$reduc"`
    23 set pr=`getinfo -d < $inp:q | sed 's/^-Y \([1-9][0-9]*\) +X \([1-9][0-9]*\)$/\2 \1/'`
    24 pfilt -1 -x /$reduc -y /$reduc $inp:q \
    25 	| pfilt -1 -r $filt -x $pr[1] -y $pr[2]
    26 exit 0
    27 userr:
    28 echo Usage: "$0 -r radius input.hdr"
    29 exit 1