gnuplotで電磁波のグラフ

電磁波のグラフのgnuplotでの作成例

諸々のグラフ作成の雛形になるポテンシャルを感じたので、ここに置いておこうと思います。

reset

#グラフ設定
set terminal pngcairo size 1000,1000      
set output 'wave.png'                                  
unset border
unset xtics
unset ytics
unset ztics
unset zlabel
unset xlabel
unset ylabel
set ticslevel 0  
set xrange [0:4*pi]                          
set yrange [-1:1]                          
set zrange [-1:1]
                 

set parametric
set urange [0:4*pi]

#label
set label 11 "波の伝播方向"   at 4*pi, 0, 0 offset 1,-0.1 front
set label 12 "電場" at 0,    1, 0 offset -0.5,1.0 front
set label 13 "磁場" at 0,    0, 1 offset -1,1.0 front

#軸
set arrow 1 from 0,0,0 to 4*pi,0,0 \
    head filled size screen 0.03,15,45 lw 2
set arrow 2 from 0,-1,0 to 0,1,0 \
    head filled size screen 0.03,15,45 lw 2
set arrow 3 from 0,0,-1 to 0,0,1 \
    head filled size screen 0.03,15,45 lw 2


splot u, sin(u), 0 w l lc 'blue',\
 u, 0, sin(u) w l lc 'red'

結果