| 摘要 |
PROBLEM TO BE SOLVED: To provide a fast and accurate determining method between two protruding figures. SOLUTION: Claim 1 comprises a means for determining a next approximate intersection point from an approximate intersection point of two figures, and a means for determining convergence possibility. Claim 2 comprises a mesh composing means, means corresponding to a mesh and a ridgeline (a plane), and a means for outputting a ridgeline (a plane) corresponding to a mesh specified from query information. COPYRIGHT: (C)2004,JPO
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