Boots – shoes – and leggings
Patent
1995-05-23
1997-12-23
Feild, Joseph H.
Boots, shoes, and leggings
36436804, 36436809, G06T 1740
Patent
active
057014035
ABSTRACT:
The CAD system has a correspondence between predetermined drawing regulations and three-dimensional objects and a section for building a three-dimensional product model on the basis of a two-dimensional drawing, which is created under one of the predetermined drawing regulations, by reference to the correspondence. The building section can reconstruct a product model by reference to an attribute added to a view. In a preferred embodiment, the CAD system has predetermined rules each for relating a predetermined piece of information about drawings to a placement or a construction of a three-dimensional product model. When a command of placement is input and one predetermined piece of information is given, the building section arranges a two-dimensional projected figure or a two-dimensional drawn figure on a drawing in accordance with a predetermined rule by reference to information about a correspondence between the view and a corresponding three-dimensional product model to arrange the corresponding product model in three-dimensional model space in accordance with the placement of the two-dimensional projected figure.
REFERENCES:
Dori, D., "Preprocessing of Engineering Drawings for 3D Reconstruction", Systems Integration, 1990 1st International Conference, pp. 285-293.
Dori, D. et al, "Paper Drawings to 3-D CAD: A Proposed Agenda", Document Analysis, 1993 International Conference, pp. 866-869.
Dori, Dov, "Dimensioning analysis: toward automatic understanding of engineering drawings", Communications of the ACM, v35, n10, pp. 92-104, Oct., 1992.
Vaxiviere, P, et al, "Celesstin IV: Knowledge-Based Analysis of Mechanical Engineering Drawings", Systems Engineering, 1993 International Conference, pp. 242-245.
Vaxiviere, P, et al, "Celesstion: CAD conversion of Mechenical Drawings", Computer Magazine, Jul. 92, pp. 46-54.
Boh Satoru
Miyata Akira
Shiotani Keiichi
Watanabe Hideo
Buchel Rudolph
Feild Joseph H.
Mitsubishi Denki & Kabushiki Kaisha
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