Need a simple graph example on ruby

Can anyone provide me a simple graph example on ruby

http://nubyonrails.com/pages/gruff

regards
/gundestrup

http://code.google.com/apis/chart/

Peter wrote:

http://code.google.com/apis/chart/

On Mar 24, 11:17 am, Dibyendu Chatterjee <rails-mailing-l...@andreas-

Great link Peter. Thanx. Cool looking charts. Now how to feed ruby data
into it.

Just read the API, it's not very complicated. Google creates images
for you, you just use an url in an image_tag with some variables
added. There's also a wrapper for it:

http://code.google.com/p/google-charts-on-rails/