Get a specific color for value 0 for heatmap chart - Javascript highcharts

Javascript examples for highcharts:Heatmap Chart

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Description

Get a specific color for value 0 for heatmap chart

Demo Code

ResultView the demo in separate window 

<html>
   <head> 
      <title>Highcharts Demo</title> 
      <meta name="viewport" content="width=device-width, initial-scale=1"> 
      <script type="text/javascript" src="https://code.jquery.com/jquery-1.9.1.js"></script> 
      <script type="text/javascript">
$(function () {// w  ww . j a v a  2  s.c o m
    (function (H) {
        H.wrap(H.ColorAxis.prototype, 'toColor', function (proceed, value, point) {
            if(value == 0)
                return '#FF00FF'; // My color
            else
                return proceed.apply(this, Array.prototype.slice.call(arguments, 1)); // Normal coloring
        });
    }(Highcharts));
    $('#container').highcharts({
        chart: {
            type: 'heatmap'
        },
        colorAxis: {
            min: 0,
            stops: [
                [0, '#3060cf'],
                [0.5, '#fffbbc'],
                [0.9, '#c4463a']
            ]
        },
        series: [{
            data: [[0, 0, 10], [0, 1, 19], [0, 2, 8], [0, 3, 24], [0, 4, 0], [1, 0, 92], [1, 1, 58], [1, 2, 78], [1, 3, 117], [1, 4, 48], [2, 0, 35], [2, 1, 15], [2, 2, 123], [2, 3, 64], [2, 4, 52], [3, 0, 72], [3, 1, 132], [3, 2, 114], [3, 3, 19], [3, 4, 16], [4, 0, 38], [4, 1, 5], [4, 2, 8], [4, 3, 117], [4, 4, 115], [5, 0, 88], [5, 1, 32], [5, 2, 12], [5, 3, 6], [5, 4, 120], [6, 0, 13], [6, 1, 44], [6, 2, 88], [6, 3, 98], [6, 4, 96], [7, 0, 31], [7, 1, 0], [7, 2, 82], [7, 3, 32], [7, 4, 30], [8, 0, 85], [8, 1, 97], [8, 2, 123], [8, 3, 64], [8, 4, 84], [9, 0, 47], [9, 1, 114], [9, 2, 31], [9, 3, 48], [9, 4, 91]],
            dataLabels: {
                enabled: true,
                color: '#000000'
            }
        }]
    });
});

      </script> 
   </head> 
   <body> 
      <script src="https://code.highcharts.com/highcharts.js"></script> 
      <script src="https://code.highcharts.com/modules/heatmap.src.js"></script> 
      <script src="https://code.highcharts.com/modules/exporting.js"></script> 
      <div id="container" style="height: 400px; min-width: 310px; max-width: 800px; margin: 0 auto"></div>  
   </body>
</html>

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