Charting /Data Visualization Libraries

Rails
1

Hello,

I like to display interactive graphs on a web page using Rails
framework.
Can you please suggest javascript library which is well integrated
with Rails?
I found cool widgets from YUI or Google Visualization. Anybody has
experience using google visualization through Rails?

Thanks,
-Meera

2

Open Flash Chart is well integrated with Rails thanks to the plugin made
by PullMonkey ( http://www.pullmonkey.com ) but as the name indicates
it, it is a flash library not a javascript one even if you can use js to
dynamically update the json data used by OFC. (
http://harryseldon.thinkosphere.com/2008/09/27/rails-ofc-ajax1/ )

H