gnuplot２次元コンター図

gnuplotで２次元コンター図を描く方法

コンター図ならpm3dを用いればよい．とくに２次元図ならset pm3 mapを打つ．

set pm3d
set pm3d map
set ticslevel 0
set cbrange[0:100]
set palette define (0 "blue", 50 "white", 100 "red")
#set palette rgbformulae 22, 13, -31
#set palette define (20 "white", 100 "red")
set grid
set xtics  0.01
set ytics  0.01
set size ratio 1.0
set key left below

set cblabel "Temp [℃]"
set xlabel "x [M]"
set ylabel "y [M]"
#splot "result/result.txt" with pm3d ti " "