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How to make matplotlib charts fast update & alternative for matplotlib

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  • P Offline
    P Offline
    Piyush
    wrote on last edited by
    #1

    Hi,

    I am currently working on a project which require quick updates of 4-5 charts on press of a button. I used matplotlib for the same. However, the Qt application gets really slow after one or two iteration of updating chart and ends up not responding.

    Is there any other alternative for matplotlib for PyQt5 which is compatible with Python?

    I searched a few of them, i.e., OpenGL, Plotly and PyQwt. Which one would you think is better in terms of fast updates which included redrawing axis and labels apart from the plot lines themselves.

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    • mrjjM Offline
      mrjjM Offline
      mrjj
      Lifetime Qt Champion
      wrote on last edited by
      #2

      Hi
      I would try Qwt. It was pretty fast for me.

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      • P Offline
        P Offline
        Piyush
        wrote on last edited by Piyush
        #3

        @mrjj Is it compatible with PyQt5?

        jsulmJ mrjjM 2 Replies Last reply
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        • P Piyush

          @mrjj Is it compatible with PyQt5?

          jsulmJ Offline
          jsulmJ Offline
          jsulm
          Lifetime Qt Champion
          wrote on last edited by
          #4

          @Piyush As stated here it is http://qwt.sourceforge.net/

          https://forum.qt.io/topic/113070/qt-code-of-conduct

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          • P Piyush

            @mrjj Is it compatible with PyQt5?

            mrjjM Offline
            mrjjM Offline
            mrjj
            Lifetime Qt Champion
            wrote on last edited by
            #5

            @Piyush
            Hi
            it seems so judging from the name
            http://pyqwt.sourceforge.net/
            ( PyQwt-5.2.x )

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