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# Test of gamma correction for gray palettes
set pm3d; set palette
set palette gray
set view map
set style function pm3d
set cbrange [-10:10]
set xrange [-10:10]
set yrange [*:*]
unset ztics
unset ytics
set samples 101
set isosamples 2
set xtics 2
set palette gamma 0.75
set title "gamma = 0.75"
splot x
pause -1 "Hit return to continue"
set palette gamma 1.0
set title "gamma = 1.0"
splot x
pause -1 "Hit return to continue"
set palette gamma 1.25
set title "gamma = 1.25"
splot x
pause -1 "Hit return to continue"
set palette gamma 1.5
set title "gamma = 1.5"
splot x
pause -1 "Hit return to continue"
set palette gamma 1.75
set title "gamma = 1.75"
splot x
pause -1 "Hit return to continue"
set palette gamma 2.0
set title "gamma = 2.0"
splot x
pause -1 "Hit return to continue"
reset
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