Sencha Touch Cookbook

Using a scatter chart

The scatter plot is useful when trying to display more than two variables in the same visualization. This recipe will show us how to work with a scatter chart.

Getting ready

Make sure that you have set up your development environment by following the recipes outlined in Chapter 1.

How to do it...

Carry out the following steps:

1. Create and open a new file named ch07_11.js and paste the following code into it:

   Ext.setup({ onReady: function() { var store = new Ext.data.JsonStore(...); //defined in the Area Chart recipe var chart = new Ext.chart.Chart({ fullscreen: true, width: 500, height: 300, animate: true, store: store, axes: [{ type: 'Numeric', position: 'bottom', fields: ['data1', 'data2', 'data3'], title: 'Sample Values', grid: ...