3-dimensional shape processing apparatus and curved surface creation program as well as how to create curved surface

摘要

PROBLEM TO BE SOLVED: To provide a curved surface creation method and a program and a three-dimensional shape processor for reducing data quantity, and for creating a curved surface with high precision.;SOLUTION: This curved surface creation method for creating a curved surface from a cross-sectional curve group is provided with a normal calculation process for calculating a normal at a plurality of reference points set on each cross-sectional curve of the cross-sectional curve group and a curved surface creation process for creating a curved surface by using the normal.;COPYRIGHT: (C)2007,JPO&INPIT