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#
# Explore the effect of image data pixels that are
# missing/NaN/Inf/garbage/...
#
set title "Treatment of missing/undefined/NaN/Inf data"
unset key
set tic scale 0
set border 3 front
set cbrange [-2:7]
set cblabel "Score"
set cbtics 0,1,5
set xrange [-0.5:5.5]
set yrange [-0.5:5.5]
set datafile missing "?"
set ytics ("-Inf" 5, "Inf" 4, "NaN" 3, "Junk" 2, "?" 1, "0" 0)
unset xtics
set xlabel "First column contains various odd values" offset 0,1
set view map
plot '-' matrix with image
0 5 4 3 1 0
? 2 2 0 0 1
Junk 1 2 3 4 5
NaN 0 0 3 1 0
Inf 3 2 0 2 3
-Inf 0 1 2 4 3
e
e
pause -1 "Hit return to continue"
#
#
set title "Same thing in failsafe mode (2D)"
plot '-' matrix with image failsafe
0 5 4 3 1 0
? 2 2 0 0 1
Junk 1 2 3 4 5
NaN 0 0 3 1 0
Inf 3 2 0 2 3
-Inf 0 1 2 4 3
e
e
pause -1 "Hit return to continue"
set title "Same thing in failsafe mode (3D)"
splot '-' matrix with image failsafe
0 5 4 3 1 0
? 2 2 0 0 1
Junk 1 2 3 4 5
NaN 0 0 3 1 0
Inf 3 2 0 2 3
-Inf 0 1 2 4 3
e
e
pause -1 "Hit return to continue"
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