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- W2378367621 abstract "By virtue of object-oriented concept, the efficient octree that stores object’s information in scene is constructed based on number oflayers and amount of leaf node link tables. Every leaf node pointed link table that records object’s information is sorted by its size in correspondingspecial area. The descent order encircle sphere algorithm is used to detect in seeking exactness phase. Then the principal and subordinate MessagePassing Interface(MPI) pattern are parallel applied to realize accurate collision detection according to dividing a convex polyhedron to tetrahedronsalgorithm. Compared with the traditional octree algorithm, this method does collision detection by using object’s spatial position relation instead ofstoring lots of spatial object’s triangle faces. It is applied in the soil visual walkthrough based on particle system. The result of this application provesthat it has high precision and good real-time performance. It is researchful and can be applied to some extent." @default.
- W2378367621 created "2016-06-24" @default.
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- W2378367621 date "2008-01-01" @default.
- W2378367621 modified "2023-09-23" @default.
- W2378367621 title "Virtual Walkthrough Collision Detection Based on Object-oriented Octree" @default.
- W2378367621 hasPublicationYear "2008" @default.
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