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#!/bin/csh -f |
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< |
# SCCSid "$SunId$ SGI" |
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# RCSid: $Id$ |
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# |
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# Compute foveal histogram for picture set |
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# |
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set tf=/usr/tmp/ph$$ |
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set tf=`mktemp /tmp/phdat.XXXXX` |
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onintr quit |
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if ( $#argv == 0 ) then |
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pfilt -1 -x 128 -y 128 -p 1 \ |
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| pvalue -o -h -H -d -b > $tf.dat |
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| pvalue -o -h -H -d -b > $tf |
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else |
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rm -f $tf.dat |
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rm -f $tf |
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foreach i ( $* ) |
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pfilt -1 -x 128 -y 128 -p 1 $i \ |
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| pvalue -o -h -H -d -b >> $tf.dat |
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| pvalue -o -h -H -d -b >> $tf |
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if ( $status ) exit 1 |
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end |
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endif |
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set Lmin=`total -l $tf.dat | rcalc -e 'L=$1*179;$1=if(L-1e-7,log10(L),-7)'` |
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set Lmax=`total -u $tf.dat | rcalc -e '$1=log10($1*179)'` |
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rcalc -e 'L=$1*179;cond=L-1e-7;$1=log10(L)' $tf.dat \ |
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set Lmin=`total -l $tf | rcalc -e 'L=$1*179;$1=if(L-1e-7,log10(L)-.01,-7)'` |
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set Lmax=`total -u $tf | rcalc -e '$1=log10($1*179)+.01'` |
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rcalc -e 'L=$1*179;cond=L-1e-7;$1=log10(L)' $tf \ |
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| histo $Lmin $Lmax 100 |
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quit: |
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rm -f $tf.dat |
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rm -f $tf |
