GNUPLOT 画图实例

1，XRD图

set term pngcairo size 800,800 #设置终端和图片输出格式

set output "XRD-all.png" #设置输出图片名称

set encoding utf8 #设置编码

unset key

set xlabel  "2theta" font "Time-Roman,16" offset 0,-1 

set ylabel " Intensity" font "Time-Roman,16" offset -2,0 #设置x y坐标轴标题

set mxtics 10

set mytics 5 # 设置x y坐标轴间隔

set xtics  font "Time-Roman,16" #设置x 坐标轴文字格式和大小

set xtics nomirror

set ytics nomirror #去除x y轴的镜像坐标轴

set xtics out # 设置间隔朝外

unset ytics

set xrange [25:60]

set yrange [0:6000] # 设置x y坐标轴的范围

set label "HPSM-HF-2" at  27,450 font "Time-Roman,16"

set label "HPSM-HF-4" at  27,1450 font "Time-Roman,16"

set label "HPSM-HF-8" at  27,2450 font "Time-Roman,16"

set label "CSM-HF-2" at  27,3450 font "Time-Roman,16"

set label "CSM-HF-4" at  27,4450 font "Time-Roman,16"

set label "CSM-HF-8" at  27,5450 font "Time-Roman,16"

set label "(101)" at  25,5820 font "Time-Roman,16"

set label "(004)" at  38,5500 font "Time-Roman,16"

set label "(200)" at  48,5730 font "Time-Roman,16"

set label "(005)" at  55,5500 font "Time-Roman,16" #设置相关文字项的字体大小和格式

plot  "1.2ml-y.txt" using 1:($2*3+100) with lines lw 3  title "HPSM-HF-2",\

"2.4ml-y.txt" using 1:($2*3+1100) with lines lw 3  title "HPSM-HF-4",\

"4.8ml-y.txt" using 1:($2*3 +2100)with lines lw 3  title "HPSM-HF-8",\

"1.2ml-p.txt" using 1:($2+3100) with lines lw 3  title "CSM-HF-2",\

"2.4ml-p.txt" using 1:($2+4100) with lines lw 3  title "CSM-HF-4",\

"4.8ml-p.txt" using 1:($2 +5100)with lines lw 3  title "CSM-HF-8" # 画图

set out put