- Highcharts Tutorial
- Highcharts - Home
- Highcharts - Overview
- Highcharts - Environment Setup
- Highcharts - Configuration Syntax
- Highcharts - Line Charts
- Highcharts - Area Charts
- Highcharts - Bar Charts
- Highcharts - Column Charts
- Highcharts - Pie Charts
- Highcharts - Scatter Charts
- Highcharts - Bubble Charts
- Highcharts - Dynamic Charts
- Highcharts - Combinations
- Highcharts - 3D Charts
- Highcharts - Angular Gauges
- Highcharts - Heat Maps
- Highcharts - Tree Maps
- Highcharts Useful Resources
- Highcharts - Quick Guide
- Highcharts - Useful Resources
- Highcharts - Discussion
Highcharts - Heat Map
We have already seen the configuration used to draw a chart in Highcharts Configuration Syntax chapter.
An example of a Heat Map Chart is given below.
Configurations
Let us now see the additional configurations/steps taken.
chart.type
Configure the chart type to be heatmap based. Set the type as 'heatmap'.
var chart = { type: 'heatmap' };
Example
highcharts_heat_map.htm
<html> <head> <title>Highcharts Tutorial</title> <script src = "https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"> </script> <script src = "https://code.highcharts.com/highcharts.js"></script> <script src = "https://code.highcharts.com/highcharts-more.js"></script> <script src = "https://code.highcharts.com/modules/heatmap.js"></script> </head> <body> <div id = "container" style = "width: 550px; height: 400px; margin: 0 auto"></div> <script language = "JavaScript"> $(document).ready(function() { var chart = { type: 'heatmap', marginTop: 40, marginBottom: 80 }; var title = { text: 'Sales per employee per weekday' }; var xAxis = { categories: ['Alexander', 'Marie', 'Maximilian', 'Sophia', 'Lukas', 'Maria', 'Leon', 'Anna', 'Tim', 'Laura'] }; var yAxis = { categories: ['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday'], title: null }; var colorAxis = { min: 0, minColor: '#FFFFFF', maxColor: Highcharts.getOptions().colors[0] }; var legend = { align: 'right', layout: 'vertical', margin: 0, verticalAlign: 'top', y: 25, symbolHeight: 280 }; var tooltip = { formatter: function () { return '<b>' + this.series.xAxis.categories[this.point.x] + '</b> sold <br><b>' + this.point.value + '</b> items on <br><b>' + this.series.yAxis.categories[this.point.y] + '</b>'; } }; var series = [{ name: 'Sales per employee', borderWidth: 1, data: [[0, 0, 10], [0, 1, 19], [0, 2, 8], [0, 3, 24], [0, 4, 67], [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, 1], [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' } }]; var json = {}; json.chart = chart; json.title = title; json.xAxis = xAxis; json.yAxis = yAxis; json.colorAxis = colorAxis; json.legend = legend; json.tooltip = tooltip; json.series = series; $('#container').highcharts(json); }); </script> </body> </html>
Result
Verify the result.
highcharts_heat_maps.htm
Advertisements