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It draws graphs and charts using the HTML5 canvas tag, now available in mostly all modern browsers.
Here are some key features of "RGraph":
Supported graphs:
· Bar chart
· Bi-polar chart
· Donut chart
· Funnel chart
· Gantt chart
· Gauge chart
· Horizontal Bar chart
· Horizontal Progress bar
· LED grid
· Line chart
· Meter
· Odometer
· Pie chart
· Rose chart
· Radial scatter chart
· Scatter chart
· Thermometer chart
· Traditional radar chart
· Vertical Progress bar
General features:
· Annotating graphs
· Combining charts
· Integrating RGraph with external libraries (ModalDialog)
· Animating graphs
· A basic example
· Available CSS classes
· About canvas color definitions
· About context menus
· Setting the width and height of a graph
· The RGraph.SetConfig() function
· Examples of keys
· Updating graphs dynamically
· Retrieving a PNG of the graph
· The DOMContentLoaded event
· Custom RGraph events
· Adjusting graphs interactively
· Using tooltips
· Resizing graphs
· Microsoft Internet Explorer support
· Asynchronous processing
· Zooming the graph
Requirements:
· JavaScript enabled on client side
· HTML 5 enabled browser
What's New in This Release: [ read full changelog ]
· Unbundled the documentation and examples from the archive
· Added chart.hmargin.grouped to the Bar chart and chart.vmargin.grouped to the HBar chart
· The Gauge chart now has more options to control it's appearance and also now supports multiple pointers
· The radar chart background circles can now be a polygon
· The Radar chart can now have dots highlighting the points
· The Thermometer is now graduated by default
· As well as the RSS XML feed there is now a HTML version too to make reading it easier
· The compressed version of ExCanvas is no longer supplied as part of the archive - only the original is available

Via: RGraph 2012-06-01-stable / 2012-07-02-beta






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