Stefan Habel
Visual Effects Software Engineer
frapper
An object-oriented C++ framework for applications
My role: Software Engineer, UI Designer
Languages/Frameworks used: C++, Qt, OpenGL
frapper is a framework for applications that is currently in development at the Institute of Animation. frapper is based on Qt from Trolltech and provides applications with a flexible panel-oriented user interface that is tailored to the particular needs typical for 3D packages.
The different kinds of panels act as views onto the same 3D scene data. The main panel types are:
| Panel | Purpose |
|---|---|
| Viewport | View the scene data as a 3D render based on the scene-oriented, flexible 3D rendering engine OGRE or OpenGL |
| Hierarchy Editor | Organize the objects of a 3D scene, like geometries, lights and cameras |
| Network Editor | Create networks of nodes representing scene objects |
| Parameter Editor | Edit parameters of selected scene objects |
| Timeline | Manipulate time for creating animations |
In addition to the main panel types listed above there are panels for displaying log messages like warnings and errors and for navigating through the history of commands executed by the user, implementing easy access to the application's undo/redo queue.
The classes that make frapper were originally created for the
aQtree project and were extracted so
that other applications currently in development at the
Institute of Animation
could be built upon the same UI base.
In the same way the internal data structure for the hierarchy of scene
objects was extracted from aQtree and put into a separate project named
Node Framework.
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