How to extend this library to make Pyramid/Funnel Chart?

Feb 25, 2015 at 9:31 AM
Edited Feb 25, 2015 at 1:39 PM
I need some guidelines to extend the chart functionality to create Pyramid/Funnel charts as shown below:

Feb 28, 2015 at 4:48 PM
Edited Feb 28, 2015 at 6:31 PM
I have finally extended the library myself creating Pyramid/Funnel Chart as shown below. Let me know your valuable feedback.

For any help, contact me.

Furqan Safdar