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| # libQGLViewer

## Presentation

libQGLViewer is a C++ library based on Qt that eases the creation of OpenGL 3D viewers.

It provides some of the typical 3D viewer functionalities, such as the possibility to move the camera using the mouse, which lacks in most of the other APIs. Other features include mouse manipulated frames, interpolated keyFrames, object selection, stereo display, screenshot saving and much more. It can be used by OpenGL beginners as well as to create complex applications, being fully customizable and easy to extend.

Based on the Qt toolkit, it compiles on any architecture (Unix-Linux, Mac, Windows). Full reference documentation and many examples are provided. libQGLViewer does not display 3D scenes in various formats, but it can be the base for the coding of such a viewer.

libQGLViewer uses dual licensing: it is freely available under the terms of the GNU-GPL license for open source software development, while commercial applications can apply for a commercial license.

Over 400 downloads are recorded each month.

## Short tour

- Download and install the library.
- Test the examples.
- Learn how to compile with libQGLViewer and write your first program.
- For better coding, discover the principles as well as the different features of the library.
- Get familiar with the default mouse behavior and the keyboard shortcuts.
- Read the general FAQ, the technical FAQ or contact me if you have questions.

## Latest news

September 1st, 2009 Version 2.3.4 | Patches for compilation with Qt3 (thanks to Rainer and Florent).
July 14th, 2009 Version 2.3.3 | A new `snapshotToClipboard()` method binded to `Ctrl+C` eases snapshot creation (suggester Pierre).
July 7th, 2009 Version 2.3.2 | `printf` debug calls removed. Warning free compilation with (future) version 4.4 of gcc. A new dual licensing explanation page. Fixed tiled snapshot rendering when using screen coordinates.
October 1st, 2008 Version 2.3.1 | Exceptions added to the GPL Open Source license to make it compatible with CGAL. Although it still works, the compilation with Qt version 2 is no longer supported.
September 21st, 2008 | New packaging and web site update process. Note that RPM and Deb packages are not yet automatically updated.
September 1st, 2008 Version 2.3.0 | New dedicated web site. New examples : cameraLight, overpainting and cornerAxis. New windows installer. New compilation page explains how to compile your first program with libQGLViewer. Default package compilation now uses Qt4. New version numbering format (x.y.z).

Subscribe to the qglviewer.developer mailing list to get informed of new major releases.

This project is referenced by the FSF, FreshMeat, Savannah, SourceForge, Kde-apps and Qt-Apps.

Related pages : PyQGLViewer page (Python binding created by Frédéric Boudon), Yahoo Group.

Last modified on Monday, August 31, 2009.