使用Gnuplot绘制蜘蛛图，并保存为GIF动图。
#set terminal pngcairo enhanced font "arial,10" fontscale 1.0 size 600, 400 #transparent
#set output 'spiderplot.7.png'
#静态图片例子取自Gnuplot官网。
set term gif size 800,800
set term gif animate delay 5 #设置图片之间延时(单位为ms)
set output "spider.gif" #输出的文件名
unset border
set grid nopolar
set grid noxtics nomxtics noytics nomytics noztics nomztics nortics nomrtics \
nox2tics nomx2tics noy2tics nomy2tics nocbtics nomcbtics
set grid back linecolor rgb "grey" linewidth 0.500 dashtype solid, linecolor rgb "grey" linewidth 0.500 dashtype solid
set key fixed right top vertical Right reverse enhanced noautotitle nobox
set spiderplot
set style spiderplot linewidth 1.000 dashtype solid pointtype 6 pointsize 2.000
set style spiderplot fillstyle transparent solid 0.20 border
set size ratio 1 1,1
set style data spiderplot
unset xtics
unset ytics
unset ztics
unset cbtics
unset rtics
set paxis 1 tics axis in scale 1,0.5 nomirror norotate autojustify
set paxis 1 tics norangelimit autofreq font ",9"
set paxis 2 tics axis in scale 1,0.5 nomirror norotate autojustify
set paxis 2 tics norangelimit autofreq font ",9"
set paxis 3 tics axis in scale 1,0.5 nomirror norotate autojustify
set paxis 3 tics norangelimit autofreq font ",9"
set paxis 4 tics axis in scale 1,0.5 nomirror norotate autojustify
set paxis 4 tics norangelimit autofreq font ",9"
set paxis 5 tics axis in scale 1,0.5 nomirror norotate autojustify
set paxis 5 tics norangelimit autofreq font ",9"
set paxis 6 tics axis in scale 1,0.5 nomirror norotate autojustify
set paxis 6 tics norangelimit autofreq
unset paxis 7 tics
unset paxis 8 tics
unset paxis 9 tics
unset paxis 10 tics
set title "To plot from 2 different files or arrays, use 'newspiderplot'"
set xrange [ * : * ] noreverse writeback
set x2range [ * : * ] noreverse writeback
set yrange [ * : * ] noreverse writeback
set y2range [ * : * ] noreverse writeback
set zrange [ * : * ] noreverse writeback
set cbrange [ * : * ] noreverse writeback
set rrange [ * : * ] noreverse writeback
set paxis 1 range [ 0.00000 : 100.000 ] noextend
set paxis 1 label "Scale 1"
set paxis 1 label font "" textcolor lt -1 norotate
set paxis 2 range [ 0.00000 : 100.000 ] noextend
set paxis 2 label "Scale 2"
set paxis 2 label font "" textcolor lt -1 norotate
set paxis 3 range [ 0.00000 : 100.000 ] noextend
set paxis 3 label "Scale 3"
set paxis 3 label font "" textcolor lt -1 norotate
set paxis 4 range [ 0.00000 : 100.000 ] noextend
set paxis 4 label "Scale 4"
set paxis 4 label font "" textcolor lt -1 norotate
set paxis 5 range [ 0.00000 : 100.000 ] noextend
set paxis 5 label "Scale 5"
set paxis 5 label font "" textcolor lt -1 norotate
set paxis 6 range [ 0.00000 : 100.000 ] noextend
set paxis 6 label "Scale 6"
set paxis 6 label font "" textcolor lt -1 norotate
set paxis 7 range [ 0.00000 : 100.000 ] noextend
set paxis 8 range [ 0.00000 : 100.000 ] noextend
set paxis 9 range [ 0.00000 : 100.000 ] noextend
set paxis 10 range [ 0.00000 : 100.000 ] noextend
NO_ANIMATION = 1
#以下为循环部分，共101帧：
N=100
do for [i=0:N]{
array Array1[6] = [15*(i/50.),75,20,43*(i/50.),90,50]
array Array2[6] = [25*(i/50.),25,50,50*(i/50.),75,50]
##更新 label 1 以显示 i 的变化
set label 1 sprintf("value*(i/50), with i=%i",i) at graph 0.01,0.9 font "Arial, 23"
## Last datafile plotted: "@@"
plot keyentry with spiderplot lc 3 lw 3 title "Array #1",\
for [i=1:|Array1|] Array1 using (Array1[i]) lc 3 lw 3 title sprintf("Scale %d",i),\
newspiderplot, keyentry with spiderplot lc 4 lw 2 title "Array #2",\
for [j=1:|Array2|] Array2 using (Array2[j]) lc 4 lw 2 notitle
}
set output