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#!/bin/csh -f |
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# |
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# Combine alternate lines in full frames for field rendering |
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# |
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# Expects numbered frames on command line, as given by ranimate |
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# |
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# If an odd number of frames is provided, the spare frame at the |
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# end is linked to $spare_name for the next run |
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# |
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# Written by Greg Ward for Iebele Atelier in August 2005 |
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# |
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set spare_name=spare_fieldcomb_frame.pic |
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if ($#argv > 1) then |
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if ("$argv[1]" == "-r") then |
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set remove_orig |
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shift argv |
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endif |
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endif |
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if ($#argv < 2) then |
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echo "Usage: $0 [-r] field1.pic field2.pic .." |
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exit 1 |
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endif |
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set f1=$argv[1]:q |
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set ext=$f1:e |
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set basenm="`echo $f1:q | sed 's/[0-9]*\.'$ext'//'`" |
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set curfi=`echo $f1:q | sed 's/^[^1-9]*\(.[0-9]*\)\.'$ext'$/\1/'` |
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set fields=($argv[*]:q) |
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if (-r $spare_name) then |
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set fields=($spare_name $fields:q) |
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@ curfi-- |
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endif |
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@ curfr = $curfi / 2 |
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set curfi=1 |
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while ($curfi < $#fields) |
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@ nextfi = $curfi + 1 |
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pcomb -e 'ro=ri(fld);go=gi(fld);bo=bi(fld)' \ |
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-e 'odd=.5*y-floor(.5*y)-.25' -e 'fld=if(odd,1,2)' \ |
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$fields[$curfi]:q $fields[$nextfi]:q \ |
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> "${basenm}C$curfr.$ext" |
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if ($?remove_orig) rm $fields[$curfi]:q $fields[$nextfi]:q |
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@ curfr++ |
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@ curfi = $nextfi + 1 |
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end |
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rm -f $spare_name |
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if ($curfi == $#fields) ln "${basenm}$curfi.$ext" $spare_name |
