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scrolling real time chart (old values dropping off)

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  • #30561

    Is it possible to make a chart like this one

    as in the viewable data is within a fixed range
    as new real time data keeps coming in the older values drop off
    (I guess it means viewportMinimum and Max are being dynamically changed, but it didnt work when i tried that)



    Please take a look at this documentation page for step by step tutorial on creating a dynamic / real-time chart.

    Indranil Deo
    Team CanvasJS


    We use CanvasJS in that way and it works really well. But be advised to check the amount of data you want to display in CanvasJS. If you have a lot of data the time to plot will get very high so you don’t have realtime-data anymore…
    If you need to plot as many data as in the sample you linked to, CanvasJS is not the solution you need…
    As we need to use CanvasJS because of the customability it provides we try to reduce the amount of data shown in the livechart…



    CanvasJS can easily render hundreds of thousands of Data Points in a few milliseconds. Can you please create a JSFiddle with your use-case and share it with us along with your sample data so that we can look into the code, understand the scenario better, and help you out?

    Indranil Deo
    Team CanvasJS

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