# # $Id: pm3dcolors.dem,v 1.3 2006/03/23 17:53:04 mikulik Exp $ # # Test of new color modes for pm3d palettes. # # Gradient Palettes # set pm3d; set palette set palette color set pm3d map set cbrange [-10:10] set xrange [-10:10] set yrange [*:*] unset ztics unset ytics set samples 101 set isosamples 2 set xtics 2 set palette model RGB set palette defined set title "set palette defined" splot xClick here for minimal script to generate this plot
set palette defined (0 0 0 0, 1 0 0 1, 3 0 1 0, 4 1 0 0, 6 1 1 1) set title 'set palette defined (0 0 0 0, 1 0 0 1, 3 0 1 0, 4 1 0 0, 6 1 1 1)' splot xClick here for minimal script to generate this plot
set palette defined ( 0 "green", 1 "blue", 2 "red", 3 "orange" ) set title 'set palette defined ( 0 "green", 1 "blue", 2 "red", 3 "orange" )' splot xClick here for minimal script to generate this plot
set palette defined ( 20 "#101010", 30 "#ff0000", 40 "#00ff00", 50 "#e0e0e0" ) set title 'set palette defined ( 20 "#101010", 30 "#ff0000", 40 "#00ff00", 50 "#e0e0e0" )' splot xClick here for minimal script to generate this plot
set palette defined ( 0 0 0 0, 1 1 1 1 ) set title 'set palette defined ( 0 0 0 0, 1 1 1 1 )' splot xClick here for minimal script to generate this plot
set palette model HSV defined ( 0 0 1 1, 1 1 1 1 ) set title 'set palette model HSV defined ( 0 0 1 1, 1 1 1 1 )' splot xClick here for minimal script to generate this plot
set palette model RGB set palette model RGB defined (0 "green", 1 "dark-green", 1 "yellow", 2 "dark-yellow", 2 "red", 3 "dark-red" ) set title "set palette model RGB defined\n(0 'green', 1 'dark-green', 1 'yellow', 2 'dark-yellow', 2 'red', 3 'dark-red' )" splot xClick here for minimal script to generate this plot
set palette model RGB set title 'set palette file "-" (file with 3 columns)' set palette file "-" 0 0 0 0 0 1 0 1 0 1 0 0 1 1 1 e splot xClick here for minimal script to generate this plot
set title 'set palette file "-" (file with 4 columns)' set palette file "-" 10 0 0 0 20 0 0 1 40 0 1 0 60 1 0 0 70 1 1 1 e splot xClick here for minimal script to generate this plot
set title 'set palette file "-" using 1:2:($1+$2)/2' set palette file "-" using ($0):1:2:(($1+$2)/2) 0 0 0 1 1 0 1 1 e splot xClick here for minimal script to generate this plot
# # Color Models # set palette color set pm3d map set cbrange [-10:10] set xrange [-10:10] unset ztics unset ytics set samples 101 set isosamples 2 set xtics 2 set palette rgbformulae 7,5,15 set palette model RGB rgbformulae 7,5,15 set title "set palette model RGB rgbformulae 7,5,15" splot xClick here for minimal script to generate this plot
set palette model HSV rgbformulae 7,5,15 set title "set palette model HSV rgbformulae 7,5,15" splot xClick here for minimal script to generate this plot
set palette model XYZ rgbformulae 7,5,15 set title "set palette model XYZ rgbformulae 7,5,15" splot xClick here for minimal script to generate this plot
set palette model CMY rgbformulae 7,5,15 set title "set palette model CMY rgbformulae 7,5,15" splot xClick here for minimal script to generate this plot
set palette model YIQ rgbformulae 7,5,15 set title "set palette model YIQ rgbformulae 7,5,15" splot xClick here for minimal script to generate this plot
set palette model HSV rgbformulae 3,2,2 set title "set palette model HSV rrgbformulae 3,2,2" splot xClick here for minimal script to generate this plot
# # User Defined Functions # set palette color set pm3d map set cbrange [-10:10] set xrange [-10:10] set yrange [0:1] unset ztics unset ytics set samples 101 set isosamples 2 set xtics 2 set palette model RGB set palette functions gray, gray, gray set title "set palette functions gray, gray, gray" splot xClick here for minimal script to generate this plot
set palette functions sqrt(gray), gray**3, sin(gray*2*pi) set title 'set palette functions sqrt(gray), gray**3, sin(gray*2*pi) <--> 7,5,15' splot xClick here for minimal script to generate this plot
set palette rgbformulae 7,5,15 set title 'set palette rgbformulae 7,5,15' splot xClick here for minimal script to generate this plot
set palette model XYZ functions gray**0.35, gray**0.5, gray**0.8 set title 'set palette model XYZ functions model XYZ gray**0.35, gray**0.5, gray**0.8' splot xClick here for minimal script to generate this plot
theta(x) = x<0 ? 0 : 1 r(x) = 4*x*(1-theta(x-0.25)) g(x) = 0.5*theta(x-0.25)*(1-theta(x-0.5)) b(x) = x set palette model RGB functions r(gray),g(gray),b(gray) set title "set palette model RGB functions\n4*x*(1-theta(x-0.25)), 0.5*theta(x-0.25)*(1-theta(x-0.5)), x" splot xClick here for minimal script to generate this plot
reset