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|
#!/bin/bash
. $(which grunch-munch)
limit=250
leftrotation=200
rightrotation=-200
rotmatch $1 $(hundredths $leftrotation) $2
lefterror=$mindiff
rotmatch $1 $(hundredths $rightrotation) $2
righterror=$mindiff
iterlimit=12
while [ $iterlimit -gt 0 ] ; do
iterlimit=$[iterlimit-1]
adjust=$[(leftrotation-rightrotation)/4]
if [ $lefterror -gt $righterror ] ; then
echo "** Adjusting left limit **"
leftrotation=$[leftrotation-adjust]
rotmatch $1 $(hundredths $leftrotation) $2
lefterror=$mindiff
else
echo "** Adjusting right limit **"
rightrotation=$[rightrotation+adjust]
rotmatch $1 $(hundredths $rightrotation) $2
righterror=$mindiff
fi
done
center=$[(leftrotation+rightrotation)/2]
echo "** Take center of remaining angle **"
rotmatch $1 $(hundredths $center) $2
echo ""
echo "** Ended with error $mindiff at rotation of $(hundredths $center) degrees **"
echo ""
echo ""
echo "** Performing brightness-match optimization **"
echo ""
brightmatch $tmp/strip.ppm $tmp/best.ppm
echo ""
echo "** Creating corrected right-side image **"
echo ""
ppmbrighten -v $(hundredths $brighter) < $tmp/rotated.ppm > $tmp/corrected.ppm
echo ""
echo "** Splicing images **"
echo ""
splice $1-1 $tmp/corrected.ppm
mv $tmp/final.tif $1-autojoin.tif
|
