Decomposition model
A decomposition model is a direct representation of a solid . Similar to the Constructive-Solid-Geometry- Scheme (CSG), given basic bodies are used to represent the geometry of a body. In contrast to the CSG, the main bodies are only put together, i.e. This means that no cutting bodies or even volumes to be withdrawn are generated.
Sample application
The classic application of the dismantling model can be found in the children's room: When playing with building blocks, the basic bodies are placed next to one another (also pinned or glued) so that more complex shapes are created.
In the area of computer-aided modeling, normal cells such as voxels are often used as basic elements. The generation of such a model requires a geometric representation in another form: Either the decomposition model is derived from the boundary representation or a CSG model, or the measurement results of a technical application, such as B. computed tomography . If the generating model is rejected, no further refinement can be made.
credentials
- ↑ Bungartz, Hans-Joachim; Griebel, Michael; Zenger, Christoph: Introduction to Computer Graphics . Braunschweig: Vieweg, 1996, p. 58 f.
Web links
- Mathematical Foundations of CAD ( Memento from July 10, 2007 in the Internet Archive )