Timepedia is happy to announce the first beta release of Chronoscope, our charting and visualization platform for Google Web Toolkit, as open source. Chronoscope provides several features for the AJAX developer:
- Canvas abstraction for drawing vector graphs
- Graph Style Sheets abstraction for configuring the look-and-feel of charts
- Scalable multiresolution rendering supporting up to tens of thousands of points
- Zoom and pan at interactive frame rates, from centuries to milliseconds
- Auto-ranging, auto-layout of chart axes and ticks.
- Auto-legend, and mini-chart Overview
- Add pushpin markers, domain and range markers, and overlays like Google Maps
- Bookmarkable chart state, works with Back button
- JS interopability. GWT API can be used by pure Javascript programmers
- Microformat support. Charts can be configured without programming.
- Server-side Font assistance. Render rotated text.
- Portable, Chronoscope is not tied to GWT, can be used to render from servlets, applets, or other environments.
You can see a demo of the chart in action on our demo site. WARNING: Chronoscope currently supports only Firefox, Safari, and Opera (with a few caveats) for the beta release. Internet Explorer is scheduled to be available soon through a Flash version.
Many of our readers have been eagerly awaiting the release, and we have been burning the midnight oil the last few weeks reorganizing, documenting, and cleaning up the code base for the public.
Chronoscope is free of charge, and is distributed under the LGPL. We hope that many people interested in charting and graphics within GWT will join the Chronoscope project at http://code.google.com/p/gwt-chronoscope and help us build an awesome visualization platform.
Timepedia has been working over the last two years on a search engine which indexes time-related quantitative data, and provides users tools to play with visualizing data, find interesting patterns, and communicating insights. We want to make Chronoscope the best visualization tool, but we need your help to make it better.
There are four ways you can help us:
1) Chronoscope contains a small unobstrustive credit "Powered by Timepedia Chronoscope" which can be switched off. If you use Chronoscope, and want to help us promote Chronoscope, you can choose to leave it switched on.
2) You can become active in contributing code to the project. See the project page.
3) You can choose to donate a small sum of money, whatever you deem appropriate.
4) If you are a commercial company, and interested in official technical support, we sell support licenses, as well as a non-LGPL licensed version. See http://timepedia.org/chronoscope/license if interested.
We thank everyone for their patience over the last month, and hope you think this project is as cool as we do.
For those interested in meeting in person to discuss GWT based visualization and vector graphics, Ray Cromwell will be presenting at the upcoming Voices that Matter: Google Web Toolkit conference. During Breakfast with the Speakers, or after the conference, feel free to hunt him down if you want to chat. For those who wish to register, you can use a code of "GW-CROM" during registration to get $100 off the registration price.
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