I have been shifting to tikz to do my plots recently (from matplotlib), and I have to say I kind of like it a lot. It's very nice to have everything coherent, in font, code, colors and so on!

Unfortunately, I have not been able to reproduce yet the heatmap kind of plot. I have seen examples of course, but nothing that reached the quality of those made with the seaborn library in Python:

enter image description here

I would like to ask if someone would know how to approach this?

Best, Pierre


pgfplots can do matrix plots.



    \addplot [matrix plot,point meta=explicit]
      coordinates {
        (0,0) [0] (1,0) [1] (2,0) [2]

        (0,1) [3] (1,1) [4] (2,1) [5]

        (0,2) [6] (1,2) [7] (2,2) [8]


enter image description here

  • very nice +1 for your answer. – Sebastiano Dec 12 '17 at 10:17
  • @Sebastiano Pff, I just copied the manual. – Henri Menke Dec 12 '17 at 10:47
  • Hello Henri, and thank you for your answer! I must apologize as I badly formulated the question... I had stopped working on it for some time, sorry. I've found an answer for the loading of the dataframe-like data here: tex.stackexchange.com/questions/42444/… Thank you again, Pierre. – Pierre Dec 13 '17 at 12:52

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