A radar chart is a useful visualization technique for comparing different quantitative values for a constrained number of categories, and this recipe will show us how to create a radar chart.
Make sure that you have set up your development environment by following the recipes outlined in Chapter 1.
Carry out the following steps:
Create and open a new file named
ch07_10.js
and paste the following code into it:Ext.setup({ onReady: function() { var store = new Ext.data.JsonStore(...); //defined in Area Chart recipe var chart = new Ext.chart.Chart({ fullscreen: true, width: 500, height: 300, animate: true, store: store, axes: [{ type: 'Radial', position: 'radial', label: { display: true } }], legend: { field: 'name', position: { portrait: 'bottom', landscape...