Method of drawing a cubic view

Details Method of drawing a cubic view Method of drawing a cubic view

1990-01-26

1992-05-19

Harkcom, Gary V.

395142, 395143, 395141, G06F 1572

Patent

active

051154943

ABSTRACT:
Standard patterns are formed from specific shapes making different inclination angles with a plane of projection, projected onto that plane of projection and then stored in a memory of a known CAD system. Subsequently, at least one standard pattern is called and displayed at an arbitrary position on a screen of a displaying apparatus. Then, a required standard pattern among the standard patterns called on the above-mentioned screen of CAD system is manipulated and copied at a predetermined position. The standard pattern is magnified or reduced by multiplying the copied standard pattern by the ratio of a required dimension to be displayed to a standard dimension. A predetermined shape is drawn as a cubic view by repeating this work. The above-mentioned standard patterns include principally straight lines and ellipses. The straight line has a multiplication ratio corresponding to the inclination angle made by the standard shapes to the standard dimension.

REFERENCES:
patent: 3636328 (1972-01-01), Korelitz et al.
patent: 4181954 (1980-01-01), Rosenthal et al.
patent: 4667236 (1987-05-01), Dresdner
patent: 4734690 (1988-03-01), Waller

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