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qml chart internal processing

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  • S Offline
    S Offline
    sraavya
    wrote on last edited by
    #1

    how does qml chartView plots 625 data points on 400pixels screen.

    jsulmJ 1 Reply Last reply
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    • S sraavya

      how does qml chartView plots 625 data points on 400pixels screen.

      jsulmJ Offline
      jsulmJ Offline
      jsulm
      Lifetime Qt Champion
      wrote on last edited by
      #2

      @sraavya Well, some points will override each other when mapped to the same pixel...

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

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      • S Offline
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        sraavya
        wrote on last edited by
        #3

        consider we have 5 pixels and we have to plot 11 data points. then how does this gets plotted?
        is there any documentation related to this?

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        • JKSHJ Offline
          JKSHJ Offline
          JKSH
          Moderators
          wrote on last edited by
          #4

          @sraavya You'll need to plot fewer points then: https://en.wikipedia.org/wiki/Downsampling_(signal_processing)

          Qt Doc Search for browsers: forum.qt.io/topic/35616/web-browser-extension-for-improved-doc-searches

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