gnuplot> set multiplot //设置多图模式
multiplot> set origin 0.0,0.0 //设置起始位置
multiplot> set size 0.5,0.5 //设置图片大小
multiplot> set title "flows=3" //设置标题
multiplot> set xlabel 'time(s)' //设置x轴标题
multiplot> set ylabel 'queue_size(packets)' //设置y轴标题
multiplot> plot "temp.a" with linespoint //开始画图
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一个画四幅图的完整应用
set multiplot
set key bottom //把图例放在下面,默认是上面
set origin 0.0,0.5
set size 0.5,0.5
set title "flows=3"
set xlabel 'time(s)'
set ylabel 'queue_size(packets)'
plot "temp3.a" title 'ave_queue' with linespoint //title是图例的标题
set origin 0.5,0.5
set title "flows=10"
plot "temp10.a" title 'ave_queue' with linespoint
set origin 0.0,0.0
set title "flows=30"
plot "temp30.a" title 'ave_queue' with linespoint
set origin 0.5,0.0
set title "flows=50"
plot "temp50.a" title 'ave_queue' with linespoint