CODEWITHSUNDEEP
gnuplotheatmap
Zvonimir Domazet
Zvonimir Domazet

Reputation: 43

Plotting heatmaps in gnuplot

So, here I am trying to plot heatmaps in gnuplot. I have a matrix-formatted text file (with row and column headers), and the command I am using to plot it is

plot "file.txt" matrix rowheaders columnheaders using 1:2:3 w image notitle

The output is this graph: enter image description here

Obviously, the X and Y labels are useless like this. I believe the problem here is that gnuplot is extracting all labels from the file and plotting them. How would I go about reducing the amount of clutter in here, e.g. plotting every 10th label or so?

Thanks in advance.

Upvotes: 2

Views: 1039

Answers (1)

Márton Demeter
Márton Demeter

Reputation: 37

Or just make the picture resolution bigger... for instance like 1920,1080 or bigger... like this:

set term pngcairo size 1920,1080

or make the tics numbers like 1000000 smaller and make a label to show that the numbers written on the tics are 1000000 bigger... or both:)

Sorry for my english...

Upvotes: 1

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