Gnuplot-Plotting only colorbox

Question

I am plotting several heatmaps using Gnuplot. However, I am not not using group plot in Gnuplot as I have decided to do this better in Latex with individual heatmaps obtained. What I need now from Gnuplot is a plot/figure with only colorbox (nothing but colorbox). Is there any way to do it in Gnuplot?

So you want to plot N heat map without colorbox and one colorbox (without heat map)? — Tom Solid
– Tom Solid, Commented Jun 11, 2016 at 9:10
Take a look at these examples (gnuplot.sourceforge.net/demo/pm3dcolors.html) of defining palette. Sure, you have to know the absolute minima and maxima of the heatmaps. — Tom Solid
– Tom Solid, Commented Jun 11, 2016 at 9:13

Tom Solid · Accepted Answer · 2016-06-11 09:46:42Z

3

Eg. if your heatmaps are from 5-12:

unset key
set view map
set style data pm3d
set style function pm3d
set xtics  norangelimit 1
unset ytics
unset ztics
set title "Colorbox for heatmaps" 
set xrange [ 5.0000 : 12.0000 ] noreverse nowriteback
unset colorbox
splot (x-5)/(12-5)

OR if you want it to be vertical:

set size ratio 3
unset key
set view map
set style data pm3d
set style function pm3d
unset xtics
set ytics norangelimit 1
unset ztics
set title "Colorbox for heatmaps" 
set yrange [ 5.0000 : 12.0000 ] noreverse nowriteback
unset colorbox
splot (y-5)/(12-5)

edited Jun 11, 2016 at 9:46

answered Jun 11, 2016 at 9:31

Tom Solid

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