如何根据数据集以直线和不同线条样式绘制数据

debugcn 发表于 Dev

阿萨

我有一个唯一的数据集（行和列的数量视情况而定。）

0.0       0       0       0       0       0       0
0.5       0       0       0       0       0       0
2.0 156.626 156.626 138.354 138.354 138.354 138.354
2.5 156.626 156.626 138.354 138.354 138.354 138.354
4.0 287.268 287.268 289.808 289.808 271.829 276.304
4.5 287.268 287.268 289.808 289.808 271.829 276.304
6.0 418.931 426.263 418.933 426.259 273.572 273.559
6.5 418.931 426.263 418.933 426.259 273.572 273.559
8.0 417.211 417.21  417.207 417.211 417.207 417.212
8.5 417.211 417.21  417.207 417.211 417.207 417.212

如您所见，它具有数据集的唯一组合（先更改然后再更改，再更改然后再更改。）我想在没有任何破折号的实直线上绘制常量数据集，而在非直线上绘制数据将采用不同的破折号。我需要一个脚本（无论是gnuplot还是matplotlib）都可以按照附图绘制数据。在此图中，仅显示了三行作为示例。

我在gnuplot脚本下面创建了可以给我所需图形的脚本（但是它没有给我水平线，没有任何破折号类型的实线。

CASE = "New.dat"
Xi=-2 ; Xf=22; Xs=1

AYf=500 ; AYs=100
reset
set terminal postscript eps enhanced size 20cm,20cm  color solid lw 3 "Times-Bold" 40
set output "data.eps" 
set multiplot \
    layout 1,1 rowsfirst \
    title "{/:Bold=40 }" \
    margins screen 0.15,0.85,0.11,0.950 \
    spacing screen 0.00,0.03

set key spacing 1.2
set    mxtics 2 
set    mytics 2
unset key
unset arrow
set arrow from Xi ,0.00 to Xf,000 nohead lw 3.5  lc rgb "blue" lt 0
set xrange [Xi:Xf]
set yrange [-50:AYf]
set key at graph 0.63, 0.95 font "Times-bold, 30"
set xtics Xi,Xs,Xf format ""
set ytics 0,AYs,AYf format "%g" font "Times-bold, 40"

plot CASE u 1:2 title "Path-1"  w l  lc 1 lw 3 dashtype 2 ,  CASE u 1:3 title "Path-2"  w l lc 2 lw 3 dashtype 3 , CASE u 1:4 title "Path-3" w l lc 4 lw 3 dashtype 4 , CASE u 1:5 title "Path-4" w l lc 6 lw 3 dashtype 5, CASE u 1:6 title "Path-5" w l  lc 7 lw 3 dashtype 6 , CASE u 1:7 title "Path-6" w l lc 9 lw 3 dashtype 9

这是从theozh的脚本

西奥日

在gnuplot中，我会这样做。绘制两次数据

with lines 和不同的破折号
和水平线，with vectors但前提是y值不变。

区分虚线有点困难，因为其中一些虚线彼此重叠。您需要对此进行一些优化。

码：

### plot intermittent horizontal lines 
reset session

$Data <<EOD
0.0       0       0       0       0       0       0
0.5       0       0       0       0       0       0
2.0 156.626 156.626 138.354 138.354 138.354 138.354
2.5 156.626 156.626 138.354 138.354 138.354 138.354
4.0 287.268 287.268 289.808 289.808 271.829 276.304
4.5 287.268 287.268 289.808 289.808 271.829 276.304
6.0 418.931 426.263 418.933 426.259 273.572 273.559
6.5 418.931 426.263 418.933 426.259 273.572 273.559
8.0 417.211 417.21  417.207 417.211 417.207 417.212
8.5 417.211 417.21  417.207 417.211 417.207 417.212
EOD

set key top left

set datafile missing NaN    # apparently necessary for gnuplot 5.2.2 

plot for [i=2:7] $Data u 1:i w l lw 2 lc i-1 dt i title sprintf("Path %d",i-1), \
     for [i=2:7] y1=x1=NaN $Data u (x0=x1,x1=column(1),x0):(y0=y1,y1=column(i)):(x1-x0):(y0==y1?0:NaN) w vectors lw 4 lc i-1 nohead notitle
### end of code

结果：