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authors Sakurai, H. and Gossard, D.
year 1983
title Solid Model Input Through Orthographic Views
source Computer Graphics, Vol 17, No 3, July
summary This paper describes the results of basic studies on procedures for creating solid models of component geometry from two-dimensional orthographic projections. An interactive graphic program was developed to allow the input of three orthographic views of a component geometry by digitizing from a drawing. The views may contain straight lines and circular arcs, solid or dashed. No restrictions are placed on the order or direction of lines and arcs in any view. Using an extension of the Wesley-Markowski procedure, the program constructs a three-dimensional solid model of the object. When the projections are ambiguous, multiple solid models are produced. The solid model may contain planar, cylindrical, conical, spherical and toroidal surfaces. Topological information of the solid model is sotred in a winged edge sturcture. Geometric information is stored as vertex coordinates and surface equations.
series journal paper
references Content-type: text/plain
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