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Conference Paper

Semantic Constraints for Scene Manipulation


Goesele,  Michael
Computer Graphics, MPI for Informatics, Max Planck Society;

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Goesele, M., & Stuerzlinger, W. (1999). Semantic Constraints for Scene Manipulation. In J. Zára (Ed.), Proceedings of the 15th Spring Conference on Computer Graphics (SCCG-99) (pp. 140-146). Bratislava, Slovakia: Comenius University.

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The creation of object models for computer graphics applications, such as interior design or the generation of animations is a labour-intensive process. Today's computer aided design (CAD) programs address the problem of creating geometric object models quite well. But almost all users find common tasks, such as quickly furnishing a room, hard to accomplish. One of the basic reasons is that manipulation of objects often does not yield the expected results. This paper presents a new system that exploits knowledge about natural behavior of objects to provide simple and intuitive interaction techniques for object manipulation. Semantic constraints are introduced, which encapsulate such `common knowledge' about objects. Furthermore, we present a new way to automatically infer a scene hierarchy by dynamically grouping objects according to their constraint relationships.