What graphing packages/APIs exist for Ruby?

Question

Similar: What graphing packages/APIs exist for Perl?

I\'m doing some research into online graphing packages for different languages and would like to kn

Answer 1

RubyVis

Ruby port of Protovis library According to the protovis site

Protovis composes custom views of data with simple marks such as bars and dots. Unlike low-level graphics libraries that quickly become tedious for visualization, Protovis defines marks through dynamic properties that encode data, allowing inheritance, scales and layouts to simplify construction. As Protovis, Rubyvis is free and open-source, provided under the BSD License. Its delivers SVG natively, which could be exported to PNG, JPEG and others graphics formats