12 lines
254 B
Gnuplot
12 lines
254 B
Gnuplot
set xrange [0:pi]
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set yrange [0:pi]
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set iso 20
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set samp 20
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unset key
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a=0.5
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set object 1 circle front at graph 0,0 radius 0.1 fc rgb "grey10" lw 1
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plot '++' using 1:2:(-a*sin($1)*cos($2)):(a*cos($1)*sin($2))\
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w vec size .06, 15 filled
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pause 5
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