Book Image

Sencha Charts Essentials

By : Ajit Kumar
Book Image

Sencha Charts Essentials

By: Ajit Kumar

Overview of this book

Table of Contents (16 chapters)
Sencha Charts Essentials
About the Author
About the Reviewers

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