A System to Generate a Solid Figure from Three View

Abstract

Three view type drawing has been used widely for a long time, and it plays an important role in the field of design engineering. Recently, computer graphics has been developed and applied to practical use, but there are many serious problems remaining unsolved, for example, problems concerning the method to feed the three dimensional information accumulated as a three view type drawing into a computer and so on.In this paper, the author presents a formulation of the process to generate a solid figure from a three view type drawing automatically by machine. According to this formulation, a practical system was built up for the case of polyhedra. Executing several experiments the auther confirmed the effectiveness of this formulation. He points out a "Ghost Figure Problem" of a wired figure obtained during the procedure of this system and presents a method to solve it. Furthermore, he proposes a method to solve a "Hidden Line Problem".