まとめの図は以下。
上の図を作ったgnuplotファイルが以下。
#!/usr/bin/gnuplot set terminal png size 1800,2400 set output "dotpitch.png" #set pm3d map; set cbrange [0:500]; set palette rgbformulae 33,13,10 set bmargin 0 set cntrparam levels auto 20 set cntrparam levels incremental 0, 25 set contour base set grid xtics ytics mxtics mytics; set isosamples 100,100 set key at 3,14E+6 set lmargin 0 set mxtics 5 set mytics 5 set rmargin 0 set tmargin 0 set view 0,0 set xlabel "size [in]" offset 0.0,15.0; set xrange [0:25]; set ylabel "x^2 + y^2 [px^2]" rotate parallel; set yrange [0:15E+6]; unset surface unset ztics h(dpi,x,I) = sqrt((dpi**2 * I**2) - x**2) a(x,y) = (x**2 + y**2) g(x,y) = sqrt(a(x,y)) i(x,y,I) = sqrt(a(x,y) / I**2) f(x,y,I) = sqrt(I**2 / a(x,y)) g(S,I) = sqrt(S / I**2) h(S,I) = sqrt(I**2 / S) #sqrt((x^2 + y^2) / I^2) = x/X #(x^2 + y^2) = (x/X)^2 * I^2 set label "Let'snote CF-B11U" front point pt 5 at 15.6,a(1920,1080) set label 'ENVY TouchSmart 14, UH90/L' front point pt 5 at 14,a(3200, 1800) set label 'Libretto L1' front point pt 5 at 10,a(1280, 600) set label 'MBA Retina (Mid 2012)' front point pt 5 at 13.3,a(1440, 900) set label 'MBP Retina (Mid 2012)' front point pt 5 at 15.4,a(2880, 1800) set label 'Nexus 10' front point pt 4 at 10,a(2560, 1600) set label 'Nexus 7' front point pt 4 at 7,a(1920, 1200) set label 'SC-04E' front point pt 9 at 5,a(1920, 1080) set label 'TP T61p' front point pt 5 at 15.4,a(1920, 1200) set label 'TP W540' front point pt 5 at 15.5,a(2880, 1620) set label 'TP X32' front point pt 5 at 12.1,a(1024, 768) set label 'XPS 17 (L701X)' front point pt 5 at 17.3,a(1600, 900) set label 'iPad 4th G' front point pt 4 at 9.7,a(2048, 1536) set label 'iPhone 5' front point pt 9 at 4,a(1136, 640) S=a(1024, 768); set arrow from -1,S to 0,S; set label '1024x768' at -8.0,S # XGA 4:3 S=a(1280, 600); set arrow from -1,S to 0,S; set label '1280x600' at -8.0,S # UWSVGA S=a(1280, 720); set arrow from -1,S to 0,S; set label '1280x720' at -4.5,S # HD 720p S=a(1280, 768); set arrow from -1,S to 0,S; set label '1280x768' at -8.0,S # WXGA 4:3 S=a(1920, 1080); set arrow from -1,S to 0,S; set label '1920x1080' at -8.0,S # Full-HD 16:9 S=a(1920, 1200); set arrow from -1,S to 0,S; set label '1920x1200' at -4.5,S # WUXGA 8:5 S=a(2048, 1080); set arrow from -1,S to 0,S; set label '2048x1080' at -8.0,S # 2k S=a(2048, 1536); set arrow from -1,S to 0,S; set label '2048x1536' at -8.0,S # QXGA S=a(2560, 1600); set arrow from -1,S to 0,S; set label '2560x1600' at -8.0,S # WQXGA 8:5 S=a(2880, 1620); set arrow from -1,S to 0,S; set label '2880x1620' at -8.0,S # 3k S=a(2880, 1800); set arrow from -1,S to 0,S; set label '2880x1800' at -8.0,S # QWXGA+ 8:5 S=a(3200, 1800); set arrow from -1,S to 0,S; set label '3200x1800' at -8.0,S # WQHD+ 4:3 #S=a(4096, 2160); set arrow from -1,S to 0,S; set label '4096x2160' at -8.0,S # 4k splot g(y,x) lw 3; ! convert -trim dotpitch.png dotpitch0.png exit;
無駄な余白はconvertを使ってでトリミング。これはgnuplotスクリプトのexit前に仕込むことでもOK。
$ convert -trim dotpitch.png dotpitch0.png