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  • in reply to: Multi Series Line Graphs #4570

    Sunil,

    Your Fiddle is just what I needed to know. Once you know the structure for 2 series,
    then to build for N series becomes really easy.

    Thanks,
    Jim

    in reply to: Multi Series Line Graphs #4568

    Sunil thanks alot on this. I modified the above code to wok with 2 data sets now. See below for anyone having same issue.

    Demo

    $( document ).ready(function() { // Begin jQuery ready function

    //Creating a multi-series line graph from 2 sets of data. Namely dps1 and dps2.

    var dps1 = [ {x: 0, y: 10}, {x: 2, y: 17}, {x: 3, y: 29} ]; //dataPoints – line 1
    var dps2 = [ {x: 1, y: 15}, {x: 2, y: 28}, {x: 3, y: 42} ]; //dataPoints. – line 2

    var chart = new CanvasJS.Chart(“chartContainer”,{
    title :{
    text: “Live Data”
    },
    axisX: {
    title: “Axis X Title”
    },
    axisY: {
    title: “Units”
    },

    // begin data for 2 line graphs. Note dps1 and dps2 are
    //defined above as a json object. See http://www.w3schools.com/json/
    data: [
    { type: “line”, dataPoints : dps1},
    { type: “line”, dataPoints : dps2}
    ]
    // end of data for 2 line graphs

    }); // End of new chart variable

    chart.render();

    }); // End of jQuery ready function

    in reply to: Y data points do not graph #4546

    Sunil this worked. For anyone else the Number conversion was critical. The code above is:
    dataPoints.push({ x: i, y: Number(parsed_json.history.observations[i].tempi}));

    But the parans are wrong (typo there). So fixing the typo you get:

    dataPoints.push({ x: i, y: Number(parsed_json.history.observations[i].tempi)});

    This works fine!

    Thanks,
    Jim

Viewing 3 posts - 1 through 3 (of 3 total)