MODELING METHOD USING ROUNDING OPERATION AND INVERSE ROUNDING OPERATION METHOD FOR SOLID TO BE DEFORMED AND INVERSE ROUNDING OPERATION METHOD

摘要

PROBLEM TO BE SOLVED: To flexibly operate deformation of a solid to be deformed without increasing calculating costs, and to reversibly operate a rounding and inverse rounding operation. SOLUTION: A rounding operation is performed by adding phase subdivision or weight on a control lattice as an attribute so that the shape deformation of a solid to be deformed can be controlled. Also, the control lattice is automatically generated for an arbitrary solid by operating an inverse rounding operation, and reference information corresponding to the shape of the solid to be deformed is added as an attribute at that time. The deformation of the solid to be deformed is operated by executing the rounding operation after deforming the control lattice corresponding to the solid.