Programming language: Java
License: GNU General Public License v3.0 only
Tags: Science     Projects    
Latest version: v2.0

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Orson Charts

(C)opyright 2013-2020, by Object Refinery Limited. All rights reserved.

Version 2.0, 15 March 2020.


Orson Charts is a 3D chart library for the Java(tm) platform that can generate a wide variety of 3D charts for use in client-side applications (JavaFX and Swing) and server-side applications (with export to PDF, SVG, PNG and JPEG).

Orson Charts sample

Key features include:

  • multiple chart types: pie charts, bar charts (regular and stacked), line charts, area charts, scatter charts and surface plots;
  • mouse-enabled chart viewers in JavaFX and Swing provide 360 degree rotation and zooming for precise end-user view control;
  • configurable tool tip support;
  • interactive charts (mouse event support on all chart elements);
  • flexible data sources;
  • JSON format data import and export;
  • regular and logarithmic axis scales;
  • auto-adaptive axis labeling;
  • value and range marker annotations
  • support for PDF, SVG, PNG and JPG export of charts for reporting;
  • a clean and well-documented API with a high degree of chart configurability.

Orson Charts is very easy to use, and includes comprehensive Javadocs. It is licensed under the terms of the GNU General Public License version 3 or later. For companies that do not wish to be bound by the terms of the GPLv3, a commercial license can be purchased from Object Refinery Limited. The license permits royalty-free redistribution of the Orson Charts runtime jar file. Orson Charts requires JDK/JRE 11 or later. To use Orson Charts with JavaFX requires the Orson Charts FX extension project.


The Javadoc generated documentation is the principal source of documentation for Orson Charts:


If there are topics that are not covered or not clear in the documentation, please let us know so that we can improve the coverage.


Demo applications can be found in the following projects at GitHub:


You can build Orson Charts using Maven by issuing the following command from the root directory of the project:

mvn clean install

The build requires JDK 11 or later.

Reporting Bugs

If you find a bug in Orson Charts, please file a bug report at:


More Info

You can find out more about Orson Charts at:


If you have any questions, don't hesitate to send a mail to [email protected].


Version 2.1 : not-yet-released

  • upgrade JUnit to version 5.

Version 2.0 : 15-Mar-2020

  • created a Java module (org.jfree.chart3d);
  • refactored into org.jfree.chart3d namespace;
  • fixed bug #4 in NumberAxis3D where tick label override is not applied.

Version 1.7 : 17-Nov-2017

  • removed JavaFX support to a separate project Orson Charts FX;
  • fixed cell content bug in GridElement;
  • fixed bug in GradientColorScale;
  • protect from NullPointerException in AbstractValueAxis3D;
  • streamline build by removing Ant build support and moving demo code to external projects.

Version 1.6 : 2-Nov-2016

  • added remove() method to XYZSeries and added change notification mechanism;
  • added remove() and removeAll() methods to XYZSeriesCollection and added change notification;
  • added generics to source files;
  • updated FXGraphics2D to version 1.5;
  • updated JFreeSVG to version 3.2.

Version 1.5 : 28-Jan-2016

  • added new LineXYZRenderer;
  • added option to invert axes;
  • fix exception when setting a new dataset using CategoryPlot3D.setDataset():
  • fix direction of mouse wheel zooming in JavaFX;
  • included FXGraphics2D version 1.3 as a dependency;
  • updated OrsonPDF to version 1.7;
  • updated JFreeSVG to version 3.0;
  • added pom.xml for Maven builds;
  • JavaFX demos brought up to match the Swing demos;
  • various Javadoc improvements.

Version 1.4 : 27-May-2014

  • added JavaFX support;
  • added support to marker elements and item labels for KEY_BEGIN_ELEMENT and KEY_END_ELEMENT rendering hints;
  • added JPEG export option;
  • added minAutoRangeLength attribute in AbstractValueAxis3D (this fixes a bug for plots where the length of the data range is zero, for example scatter plots with a single value);
  • fixed endless loop in axis range code for datasets with infinite values;
  • fixed bug in hinting for tick labels on NumberAxis3D;
  • fixed Utils.js functions that didn't work with Internet Explorer 9.

Version 1.3 : 11-Apr-2014

  • added chart mouse event and tooltip support for the chart viewer in Swing;
  • added item label support;
  • added JSON format data import and export;
  • new utility methods to extract an XYZDataset from a CategoryDataset3D;
  • fixed a clipping issue for panels with borders assigned;
  • added rendering hints for SVG output via JFreeSVG (to support tool-tips and mouse events on chart elements);
  • added JavaScript utility library to support JFreeSVG export;

Version 1.2 : 7-Mar-2014

  • added value and range markers for numerical axes, and category markers for category axes;
  • added a tickLabelOrientation attribute for axes so that tick labels can be drawn either perpendicular or parallel to the axis line;
  • added a logarithmic axis;
  • added theme support, with several built-in themes;
  • added template driven label generators for pie section labels and category axis labels;
  • added export to JPEG, plus options to configure the available export types;
  • optimized the rendering code to reduce memory usage;
  • put in place a localisation mechanism, and added German and Italian translations;
  • made the projection distance configurable in the chart viewer;
  • added series accessors for XYZSeriesCollection;
  • added yDimensionOverride attribute for CategoryPlot3D;
  • fixed an issue with the StackedBarRenderer and negative values;
  • incorporated various other bug fixes.

Version 1.1 : 23-Dec-2013

  • added surface plots (via the new SurfaceRenderer class and Chart3DFactory.createSurfaceChart());
  • added ColorScale and supporting classes for use by the surface charts;
  • added orientation attribute to control the chart legend orientation;
  • optimized rendering code for improved performance;
  • added missing change events for gridline attributes in CategoryPlot3D;
  • added constants including SCALE_TO_FIT_TARGET and CENTER_NO_SCALING to the Fit2D class;
  • added setColors(Color...) to AbstractCategoryRenderer3D and AbstractXYZRenderer3D;

Version 1.0 : 17-Nov-2013

This is the first public release of Orson Charts, we welcome your feedback and suggestions.

*Note that all licence references and agreements mentioned in the Orson-Charts README section above are relevant to that project's source code only.