Projects / JOpenChart

JOpenChart

The JOpenChart library and toolkit provides the means to create different kinds of charts, including pie charts, line charts, and plot charts. Furthermore, it contains components for embedding charts into Swing or Web applications. The library's Renderer Interface API makes it very easy to add new renderers for different chart types. Classes to interpolate measured data and to plot mathematical functions are also included.

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Recent releases

  •  04 Nov 2002 15:40

    Release Notes: A lot of new features were added, including stacked bar charts and radar charts, improved look and layout, flexible and editable data models, enabling of real-time updated GUI charts, configurable charts, data models and renderers, and support for plotting SQL results.

    •  04 Nov 2002 15:08

      Release Notes: A lot of new features were added, including stacked bar charts and radar charts, improved look and layout, flexible and editable data models, enabling of real-time updated GUI charts, configurable charts, data models and renderers, and support for plotting SQL results.

      •  02 Apr 2002 23:21

        Release Notes: The pre 1.4 JDK releases have very limited image encoding abilities. As such, this release remains focused on JPEG and PNG encoding, which should suffice for most applications. GIF encoding has been removed due to licensing problems. In any other regards, this branch is completely equal.

        •  02 Apr 2002 23:16

          Release Notes: The image file export was changed to the Java Advanced Imaging Library part of the JDK 1.4. This streamlined the whole shebang. Additionally, the function plotter was partially redesigned to use a real Java expression parser, which speeds things up a bit. Some small changes were made in the API.

          •  22 Dec 2001 19:25

            Release Notes: It is now possible to create numeric ChartDataModels with differently sized DataSets. The Interpolation-, Plot-, and LineChartRenderers support this feature. The DefaultChart now renders the coordinate system after the renderers, so the coordinate system always appears on top. An Ant build file is now included, which makes compiling and testing a lot easier.

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