Boots – shoes – and leggings
Patent
1986-04-14
1989-07-04
Harkcom, Gary V.
Boots, shoes, and leggings
340729, 364521, 364522, G06F 1562
Patent
active
048456438
ABSTRACT:
A method for generating an accurate perspective drawing of an object as it would appear from a freely chosen viewpoint, utilizing only data from conventional plan and elevation drawings, arranged according to a prescribed way. This permits an architect or engineer to obtain one or more perspective views of a project which is in the design stage, using only the elevation and plan drawings, which are required anyway. Its practical application is to use a personal computer to carry out the steps of the process, especially if this method is integrated into an existing 2D CAD system. The geometrical and mathematical steps are such that anyone familiar with the software of such a system can provide a suitable routine to enable a user to employ the method. This method allows a change of viewpoint to be made, by simply entering information defining the new viewpoint. A unique additional feature of this invention permits plotting of the elevations upon a cardboard strip, which can be folded into a physical model of the object's selected surfaces. The original data is retained unchanged, so that the conventional plan and elevation views can be plotted at any later time.
REFERENCES:
patent: 4275449 (1981-06-01), Aish
patent: 4549275 (1985-10-01), Sukonick
patent: 4694404 (1987-09-01), Meagher
Harkcom Gary V.
Herndon H. R.
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