形状設計のためのソリッドモデラーの開発(開学10周年記念号)

概要

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Three-dimensional CAD system is useful for mechanical and architecture designs. In CAD systems, a geometric modeler is a very important subsystem. This paper describes geometric modeling used for the computer graphics software system developed by the authors; the system assists designers and engineers in designing industrial parts and buildings. The geometric modeler has the following functions and advanced points: 1) Shapes of 3-D models are defined by using shape operators to combine primitive solids into more complex ones; the operations are available to the union, intersection and difference of primitive solids. 2) The user can create many kinds of convex primitive solids - blocks, cylinders, cones or spheres - by specifying each size, location, and other parameters. 3) Shape operations are easily realized by subdividing the polygons of the solids.
福山大学の論文