test/pnmcolormap2.test


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#! /bin/sh
# This script tests: pnmcolormap
# Also requires: pnmremap pnmpsnr

tmpdir=${tmpdir:-/tmp}
map=${tmpdir}/map.ppm

echo "Test.  Should print 'match' eight times."
# Threshold values (targetN=xx.xx) here were produced by calculating
# the S/N ratio with reduced colors.

# colors in following tests / colors for calculating threshold
# 100 /  90
# 200 / 180
#  30 /  25

pnmcolormap 100 testimg.ppm > ${map}
pnmremap -mapfile=${map} testimg.ppm |\
  pnmpsnr -target1=33.42 -target2=35.14 -target3=34.35 testimg.ppm -
rm ${map}

pnmcolormap -meancolor 100 testimg.ppm > ${map}
pnmremap -mapfile=${map} testimg.ppm |\
  pnmpsnr -target1=34.91 -target2=36.86 -target3=35.84 testimg.ppm -
rm ${map}

pnmcolormap -meanpixel 100 testimg.ppm > ${map}
pnmremap -mapfile=${map} testimg.ppm |\
  pnmpsnr -target1=34.95 -target2=36.77 -target3=35.81 testimg.ppm -
rm ${map}

pnmcolormap -spreadluminosity 100 testimg.ppm > ${map}
pnmremap -mapfile=${map} testimg.ppm |\
  pnmpsnr -target1=33.71 -target2=32.91 -target3=33.93 testimg.ppm -
rm ${map}

pnmcolormap -splitcolorct 100 testimg.ppm > ${map}
pnmremap -mapfile=${map} testimg.ppm |\
  pnmpsnr -target1=33.97 -target2=35.34 -target3=34.23 testimg.ppm -
rm ${map}

pnmcolormap -splitspread 100 testimg.ppm > ${map}
pnmremap -mapfile=${map} testimg.ppm |\
  pnmpsnr -target1=32.98 -target2=35.06 -target3=33.19 testimg.ppm -
rm ${map}

pnmcolormap 200 testimg.ppm > ${map}
pnmremap -mapfile=${map} testimg.ppm |\
  pnmpsnr -target1=36.14 -target2=36.87 -target3=36.79 testimg.ppm -
rm ${map}

pnmcolormap 30 testimg.ppm > ${map}
pnmremap -mapfile=${map} testimg.ppm |\
  pnmpsnr -target1=28.53 -target2=31.62 -target3=29.99 testimg.ppm -
rm ${map}