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#
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# $Id: arrowstyle.dem,v 1.4 2013/08/08 21:40:31 sfeam Exp $
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#
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#
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set xrange [-1000:1000]
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set yrange [-178:86]
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set tics scale 0
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set style line 1 lt 1 lw 2
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set style line 2 lt 3 lw 2
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set style arrow 1 head filled size screen 0.025,30,45 ls 1
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set style arrow 2 head nofilled size screen 0.03,15 ls 2
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set style arrow 3 head filled size screen 0.03,15,45 ls 1
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set style arrow 4 head filled size screen 0.03,15 ls 2
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set style arrow 5 heads noborder size screen 0.03,15,135 ls 1
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set style arrow 6 head empty size screen 0.03,15,135 ls 2
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set style arrow 7 nohead ls 1
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set style arrow 8 heads size screen 0.008,90 ls 2
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print ' We have defined the following arrowstyles:'
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show style arrow
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set for [i=1:8] arrow from -500, (-90 - i * 10) to 500, (-90 - i * 10) as i
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set for [i=1:8] label sprintf('arrowstyle %i:', i) at -520, (-90 - i * 10) right
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set samples 50
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set angles rad
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pos(x) = 69 * sin(0.01 * x)
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len(x) = 49 * sin(0.01 * x + pi/2)
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do for [i=1:8] {
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set title sprintf('Top: plot with vectors arrowstyle %i, Bottom: explicit arrows', i)
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plot '+' using 1:(pos(x)):(0):(len(x)) notitle with vectors arrowstyle i
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pause -1 "Hit return to continue"
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}
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#reset
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#
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# Show plot with data style vectors
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#
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set title "Plot 'file' with vectors <arrowstyle>"
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set key box opaque
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set xrange [*:*]
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set yrange [*:10]
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set for [i=1:8] style arrow i lc i
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plot '1.dat' using 1:2:(+1):(+1) with vectors lt 4 filled title 'filled', \
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'2.dat' using 1:2:(+1):(+1) with vectors lt 1 heads title 'double-headed', \
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'2.dat' using ($1):(2-$2/3):(+1):(+2.5):(int($0)%8 + 1) with vectors as var ti 'arrowstyle variable'
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#
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pause -1 "Hi return to continue"
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#
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reset
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