在以下Gnuplot中:
set xlabel "Network size, m [r]" font " Helvetica,17"
set ylabel "Algorithms computation time [s]" font "Helvetica,17"
$t500 << EOD
1 0 0 0
2 0.00933135 0.0640543 0.215254
3 0.00954345 0.0746418 0.416871
4 0.009779 0.0853093 0.621712
5 0.0101225 0.0958813 0.822831
6 0.0106212 0.106193 1.02248
7 0.0114236 0.11658 1.22483
8 0.0126996 0.128502 1.42843
9 0.0150443 0.138803 1.62994
10 0.0193814 0.149177 1.83284
11 0.0282591 0.159563 2.0358
12 0.0450926 0.170019 2.24009
13 0.0791815 0.180668 2.44586
14 0.146265 0.191207 2.65134
15 0.284757 0.201806 2.85782
16 0.556054 0.212695 3.0671
17 1.11529 0.223592 3.27625
18 2.22795 0.234535 3.4873
19 4.55297 0.245686 3.69976
20 9.02265 0.257064 3.91294
EOD
set key spacing 1.0
set key top left font "Helvetica, 17"
#set xrange [2:20]
#set yrange [0.001:1000]
set logscale y
set grid
set terminal pdfcairo transparent enhanced
set style function filledcurves y1=0
set ytics ("0" 0.001,"0.01" 0.01,"0.1" 0.1,"1" 1,"10" 10,"100" 100)
unset colorbox
set style fill transparent solid 0.2 border
set bmargin 3.5
set out "program500.pdf"
plot [][] '$t500' using 1:2 title 'S computation' w filledcurves lc rgb "forest-green",\
'$t500' using 1:($2+$3) title 'S computation + Stability computation' w filledcurves lc rgb "violet",\
'$t500' using 1:($2+$4) title 'S computation + Max joint flow computation' w filledcurves lc rgb "gold"
我遇到的问题是set xrange [2:200]
,情节发生了变化,并像这样向上填充了曲线,
我想知道如何像在第一幅图中那样使用默认范围并设置xrange [2:20]
来保持曲线下方的填充。
答案 0 :(得分:2)
“带有填充曲线”允许许多变体。请参阅help filledcurves
的文档。默认值为with filledcurves closed
,它尝试使用这些点来定义包围周围区域的周长。如果曲线超出图的边缘,则使用图的边缘完成周边。如您所见,有时程序选择的边缘不是您想要的。
要控制它,请使用其他变体之一。在这种情况下,您可能需要with filledcurves y=0
,它将y = 0处的线定义为周长的一部分。
... initial lines as above ...
set xrange [2:20]
plot'$t500' using 1:2 title 'S computation' w filledcurves y=0 lc rgb "forest-green",\
'$t500' using 1:($2+$3) title 'S computation + Stability computation' w filledcurves y=0 lc rgb "violet",\
'$t500' using 1:($2+$4) title 'S computation + Max joint flow computation' w filledcurves y=0 lc rgb "gold"