lcはともかく, Gnuplotでのrgbcolorの使い方をはじめて知った. plot sin(x) linetype 2 linecolor rgbcolor "red" linewidth 10 plot sin(x) lt 2 lc rgb "red" lw 10 plot sin(x) lt 2 lc rgb "#ff0000" lw 10 plot sin(x) lt 2 lc 1 http://d.hatena.ne.jp…