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Sencha Charts Essentials by Ajit Kumar

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Chapter 5. Creating a Custom Polar Chart

In the previous chapter, we saw how to create a custom cartesian chart using Sencha Charts. In this chapter, we will look at how a polar chart works and how to create a custom polar chart. We will create a custom polar chart—Market Clock—where we will use the polar coordinate system to create a 12-hour clock showing the opening and closing times of different stock exchanges.

In this chapter, you will learn how to create custom polar charts by:

  • Creating a custom sprite
  • Creating a custom series
  • Creating a custom polar chart
  • Taking care of legends, centering, and resizing
  • Using the custom polar chart in an application

Creating a Market Clock

In this section, you will see how to create a Market Clock, shown here, where ...

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