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#!/bin/csh -f |
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# RCSid $Id: ra_pfm.csh,v 2.4 2005/01/14 06:40:54 greg Exp $ |
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# |
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# Convert to/from Poskanzer Float Map image format using pvalue |
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# |
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if (`uname -p` == powerpc) then |
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set machend=big |
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else |
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set machend=little |
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endif |
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while ($#argv > 0) |
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if ("$argv[1]" == "-r") then |
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set reverse |
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else if (! $?inp) then |
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set inp="$argv[1]" |
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else if (! $?out) then |
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set out="$argv[1]" |
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else |
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goto userr |
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endif |
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shift argv |
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end |
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if ($?reverse) then |
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if (! $?inp) then |
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goto userr |
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endif |
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set opt="" |
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set hl="`head -3 $inp:q`" |
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if ("$hl[1]" == "Pf") then |
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set opt=($opt -b) |
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else if ("$hl[1]" != "PF") then |
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echo "Input not a Poskanzer Float Map" |
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exit 1 |
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endif |
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if (`ev "if($hl[3],1,0)"`) then |
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set filend=big |
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else |
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set filend=little |
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endif |
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if ($filend != $machend) then |
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set opt=($opt -dF) |
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else |
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set opt=($opt -df) |
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endif |
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set res=($hl[2]) |
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if ($?out) then |
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tail +4 $inp:q | pvalue -r -h $opt +y $res[2] +x $res[1] > $out:q |
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else |
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tail +4 $inp:q | pvalue -r -h $opt +y $res[2] +x $res[1] |
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endif |
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exit $status |
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endif |
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if (! $?inp) then |
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goto userr |
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endif |
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set res=(`getinfo -d < $inp:q`) |
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if ($?out) then |
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( echo PF ; echo $res[4] $res[2] ) > $out:q |
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if ($machend == little) then |
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echo "-1.000000" >> $out:q |
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else |
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echo "1.000000" >> $out:q |
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endif |
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if ("$res[1]" == "-Y") then |
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pflip -v $inp:q | pvalue -h -H -df >> $out:q |
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else |
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pvalue -h -H -df $inp:q >> $out:q |
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endif |
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else |
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echo PF |
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echo $res[4] $res[2] |
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if ($machend == little) then |
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echo "-1.000000" |
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else |
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echo "1.000000" |
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endif |
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if ("$res[1]" == "-Y") then |
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pflip -v $inp:q | pvalue -h -H -df |
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else |
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pvalue -h -H -df $inp:q |
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endif |
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endif |
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exit $status |
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userr: |
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echo "Usage: $0 input.hdr [output.pfm]" |
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echo " or: $0 -r input.pfm [output.hdr]" |
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exit 1 |
