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Titel: Dynamic remeshing and applications
Verfasser: Vorsatz, Jens
Sprache: Englisch
Erscheinungsjahr: 2006
SWD-Schlagwörter: Dreiecksnetz
DDC-Sachgruppe: 004 Informatik
Dokumentart : Dissertation
Kurzfassung: Triangle meshes are a flexible and generally accepted boundary representation for complex geometric shapes. In addition to their geometric qualities such as for instance smoothness, feature sensitivity ,or topological simplicity, intrinsic qualities such as the shape of the triangles, their distribution on the surface and the connectivity is essential for many algorithms working on them. In this thesis we present a flexible and efficient remeshing framework that improves these "intrinsic'; properties while keeping the mesh geometrically close to the original surface. We use a particle system approach and combine it with an iterative remeshing process in order to trim the mesh towards the requirements imposed by different applications. The particle system approach distributes the vertices on the mesh with respect to a user-defined scalar-field, whereas the iterative remeshing is done by means of "Dynamic Meshes';, a combination of local topological operators that lead to a good natured connectivity. A dynamic skeleton ensures that our approach is able to preserve surface features, which are particularly important for the visual quality of the mesh. None of the algorithms requires a global parameterization or patch layouting in a preprocessing step, but works with simple local parameterizations instead. In the second part of this work we will show how to apply this remeshing framework in several applications scenarios. In particular we will elaborate on interactive remeshing, dynamic, interactive multiresolution modeling, semiregular remeshing and mesh simplification and we will show how the users can adapt the involved algorithms in a way that the resulting mesh meets their personal requirements.
Link zu diesem Datensatz: urn:nbn:de:bsz:291-scidok-8566
hdl:20.500.11880/23835
http://dx.doi.org/10.22028/D291-23779
Erstgutachter: Seidel, Hans-Peter
Tag der mündlichen Prüfung: 12-Jun-2006
SciDok-Publikation: 5-Jan-2007
Fakultät: Sonstige Einrichtungen
Fachrichtung: SE - Sonstige Einrichtungen
Fakultät / Institution:SE - Sonstige Einrichtungen

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