What is your preferred way to produce charts in a Ruby on Rails web application?

Question

I\'d like to add some pie, bar and scatter charts to my Ruby on Rails web application. I want want them to be atractive, easy to add and not introduce much overhead.

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Answer 1

In the old days, I decided to roll my own (using RVG/RMagick), mainly because Gruff didn't have everything I wanted. The downside was that finding and eliminating all the bugs in graphing code is a pain. These days Gruff is my choice as it's really gone forward in terms of customization and flexibility.

The standard Gruff templates/color choices suck though, so you'll need to get your hands dirty for best results.