Half pie diagram in cakephp and jquery

I want to half pie diagram with two dynamic value.

If read value = 90% then red color should be filled upto 90% in pie-chart and rest of pie chart should be filled only 10% with the green color.

I also wan开发者_如何学Pythont ==> pointer should be changed Dynamically with the red and green aspect ratio.

this question has been answered here: Jquery Meter, or something similar

It's not related to CakePHP. You will most likely have to custom-code it to have the desired behavior and look.