#
# Exercise hidden3d options.
# Show use of keywords "nogrid" and "nohidden" to plot individual points
# without processing them either via dgrid3d or hidden3d.
#

set view 60,75
unset key
set hidden3d

# Raw data
set title "The Valley of the Gnu"
splot "gnu-valley" u 1:2:3 w lines, "" u 1:2:3 w points pt 7 lc "black"

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# Splines
set title "dgrid3d splines"
set dgrid3d splines
splot "gnu-valley" u 1:2:3 w lines, "" u 1:2:3 w points pt 7 lc "black" nogrid nohidden

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# Hann function
set title "dgrid3d Hann function"
set dgrid3d hann
splot "gnu-valley" u 1:2:3 w lines, "" u 1:2:3 w points pt 7 lc "black" nogrid nohidden

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# QNorm
set title "dgrid3d 30,30 qnorm 1"
set dgrid3d 30,30 qnorm 1
splot "gnu-valley" u 1:2:3 w lines, "" u 1:2:3 w points pt 7 lc "black" nogrid nohidden

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set title "dgrid3d 30,30 qnorm 2"
set dgrid3d 30,30 qnorm 2
splot "gnu-valley" u 1:2:3 w lines, "" u 1:2:3 w points pt 7 lc "black" nogrid nohidden

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set title "dgrid3d 30,30 qnorm 3"
set dgrid3d 30,30 qnorm 3
splot "gnu-valley" u 1:2:3 w lines, "" u 1:2:3 w points pt 7 lc "black" nogrid nohidden

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set title "dgrid3d 30,30 qnorm 4"
set dgrid3d 30,30 qnorm 4
splot "gnu-valley" u 1:2:3 w lines, "" u 1:2:3 w points pt 7 lc "black" nogrid nohidden

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set title "dgrid3d 30,30 qnorm 5"
set dgrid3d 30,30 qnorm 5
splot "gnu-valley" u 1:2:3 w lines, "" u 1:2:3 w points pt 7 lc "black" nogrid nohidden

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# Gauss
set title "dgrid3d 30,30 gauss 1"
set dgrid3d 30,30 gauss 1
splot "gnu-valley" u 1:2:3 w lines, "" u 1:2:3 w points pt 7 lc "black" nogrid nohidden

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set title "dgrid3d 30,30 gauss .75"
set dgrid3d 30,30 gauss .75
splot "gnu-valley" u 1:2:3 w lines, "" u 1:2:3 w points pt 7 lc "black" nogrid nohidden

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set title "dgrid3d 30,30 gauss .5"
set dgrid3d 30,30 gauss .5
splot "gnu-valley" u 1:2:3 w lines, "" u 1:2:3 w points pt 7 lc "black" nogrid nohidden

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set title "dgrid3d 30,30 gauss .35"
set dgrid3d 30,30 gauss .35
splot "gnu-valley" u 1:2:3 w lines, "" u 1:2:3 w points pt 7 lc "black" nogrid nohidden

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set title "dgrid3d 30,30 gauss .25"
set dgrid3d 30,30 gauss .25
splot "gnu-valley" u 1:2:3 w lines, "" u 1:2:3 w points pt 7 lc "black" nogrid nohidden

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set title "dgrid3d 30,30 gauss .5,.35"
set dgrid3d 30,30 gauss 0.5,0.35
splot "gnu-valley" u 1:2:3 w lines, "" u 1:2:3 w points pt 7 lc "black" nogrid nohidden

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set title "dgrid3d 30,30 gauss .35,.5"
set dgrid3d 30,30 gauss 0.35,0.5
splot "gnu-valley" u 1:2:3 w lines, "" u 1:2:3 w points pt 7 lc "black" nogrid nohidden

Click here for minimal script to generate this plot