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#
# Show how transparency can be combined with palette colors for
# individual plot elements; e.g. points or lines as opposed to
# fill areas, for which transparency is part of the fill style.
#
set view 86, 18, 1.03784, 0.981818
set view azimuth -16.5857
unset key
unset tics
unset border
set pm3d border lc "black" lw 0.25
set urange [-5 : 5]
set vrange [-5 : 5]
set cbrange [ -30 : 30 ]
set samples 13, 13
set colorbox user origin 0.9, 0.25
transparent = 0xef000000
set title "combining transparency with palette colors"
splot '++' using 1:2:($1*$2) with pm3d fc "white", \
'++' using 1:2:($1*$2):(transparent+palette($1*$2)) \
with points pt 7 ps 5 lc rgb var
pause -1 "Hit return to continue"
reset
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