Bill Atkins ha scritto:
> I'm looking for a Ruby library that can generate line, bar, and pie
> graphs from financial data- similar to the graphs Excel generates.  I
> want to be able to graph data on the fly and then output it as an
> image file for viewing over the web (from within a Rails application).
> 
> Is there anything that can do this?  I've found some libraries on RAA
> for flowchart-style graphs or general graphics libraries, but nothing
> so far that matches my needs.

sis you try svg::graph ?