A Ghost Cell-Based Data Structure for Multiresolution Meshes

Rodrigues, Rui; Morgado, José Francisco; Silva, Frutuoso; Gomes, Abel

http://hdl.handle.net/10400.19/2589

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Authors

Rodrigues, Rui

Morgado, José Francisco

Silva, Frutuoso

Gomes, Abel

Abstract(s)

Multiresolution meshes enable us to build representations of geometric objects at different Levels of Detail (LODs). We introduce a multiresolution scheme whose data structure allows us to separately re- store the geometry and topology of a mesh during the refinement process. Additionally, we use a topological criterion (not a geometric criterion, as usual in the literature) to quickly simplify a mesh, what seems to make the corresponding simplification algorithm adequate for real-time appli- cations such as, for example, on-line computer games.