On Translating a Set of C-Oriented Faces in Three Dimensions

Xue-Hou TAN, Tomio HIRATA, Yasuyoshi INAGAKI

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Summary :

Recently much attention has been devoted to the problem of translating a set of geometrical objects in a given direction, one at a time, without allowing collisions between the objects. This paper studies the translation problem in three dimensions on a set of c-oriented faces", that is, the faces whose bounding edges have a constant number c of orientations. We solve the problem in O(N log2 NK) time and O(N log N) space, where N is the total number of edges of the faces and K is the number of edge intersections in the projection plane. As an intermediate step, we also solve a problem related to ray-shooting. The algorithm for translating c-oriented faces finds uses in computer graphic systems.

Publication
IEICE TRANSACTIONS on Information Vol.E75-D No.3 pp.258-264
Publication Date
1992/05/25
Publicized
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DOI
Type of Manuscript
PAPER
Category
Algorithm and Computational Complexity

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