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Newsgroups: comp.graphics.apps.gnuplot
Date: Mon, 16 Nov 2015 14:18:59 -0800 (PST)
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Subject: Re: Plotting line graphs in 3D
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Xref: csiph.com comp.graphics.apps.gnuplot:3133

This was really helpful but just in case I am posting a slightly corrected version with properly escaped new lines.

set ticslevel 0
set style arrow 1 head filled size screen 0.01,15,45 linestyle 1
set style arrow 2 head filled size screen 0.01,15,45 linestyle 2

splot '+' u 1:(0):(sin(0.2*pi*$1)) ls 1 lw 3 with lines t '', \
       '' u 1:(int($0)%3 == 0 ? 0 : 1/0):(0):(0):(0):(sin(0.2*pi*$1)) \
           with vectors arrowstyle 1 t '',\
       '' u 1:(sin(0.2*pi*$1)):(0) ls 2 lw 3 with lines t '', \
       '' u 1:(int($0)%3 == 0 ? 0 : 1/0):(0):(0):(sin(0.2*pi*$1)):(0) \
           with vectors arrowstyle 2 t ''