FusionCharts - Gallery Example - Real-time Line (Dual y-axis) Chart

Created using FusionCharts Suite XT - www.fusioncharts.com

by FusionCharts

HTML

<script src="https://cdn.fusioncharts.com/fusioncharts/latest/fusioncharts.js"></script>
<script src="https://cdn.fusioncharts.com/fusioncharts/latest/themes/fusioncharts.theme.fusion.js"></script>
<!-- Real-time Line chart -->
<div id="chart-container">FusionCharts will render here</div>

JavaScript

FusionCharts.ready(function() {
  var myChart = new FusionCharts({
    type: 'realtimeline',
    renderAt: 'chart-container',
    width: '600',
    height: '300',
    dataFormat: 'json',
    dataSource: {
      "chart": {
        "caption": "Harry's Supermart",
        "subCaption": "Real-time Stock Price monitor",
        "dataStreamURL": "../../../resources/php/advanced-charting-real-time-charts-adding-data-stamp-php-1.php",
        "refreshInterval": "5",
        "updateInterval": "15",
        "yaxisminvalue": "30",
        "yaxismaxvalue": "35",
        "showLegend": "0",
        "labelDisplay": "rotate",
        "showValues": "0",
        "numberSuffix": " %",
        "showRealTimeValue": "0",
        "dataStamp": "13:43:45",
        "theme": "fusion"
      },
      "categories": [{
        "category": [{
          "label": "Start"
        }]
      }],
      "dataset": [{
        "seriesname": "Harry's SuperMart",
        "alpha": "100",
        "data": [{
          "value": "32.5"
        }]
      }]
    },
    events: {
      "beforeRender": function(evtObj, argObj) {
        var chartRef = evtObj.sender;

        function formatTime(i) {
          if (i < 10) {
            i = "0" + i;
          }
          return i;
        }

        function getCurrentTime() {
          var today = new Date(),
            hour = today.getHours(),
            min = today.getMinutes(),
            sec = today.getSeconds(),
            time;
          // Insert a zero in front of numbers<10
          min = formatTime(min);
          sec = formatTime(sec);
          time = hour + ":" + min + ":" + sec;
          return time;
        }
        //Setting the dataStamp to current time for initial dataStamp value
        chartRef.setChartAttribute('dataStamp', getCurrentTime());

      }
    }
  }).render();
});