Process and circuitry for implementing plotting of overextending

Details Process and circuitry for implementing plotting of overextending Process and circuitry for implementing plotting of overextending

1991-03-21

1993-07-27

Nguyen, Phu K.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

395133, 340124, 340730, 340747, G06F 1568, G06F 1572

Patent

active

052316963

ABSTRACT:
The process concerns the plotting of overextending curves inside a limited display window, with cutting-off of the parts of the curve which extend beyond the imposed display window. The goal is to provide a process for the plotting of overextending curves inside a display window, which optimizes calculation time and plotting time. This goal is achieved by means of a process characterized in that it manages a first process for plotting, applicable to the portions of curves (55) inscribed inside the window, and a second distinct process for processing of the overextending parts (54) of the curve, in that the processing of the overextending parts consists in optimizing travel (51, 52, 53) along the projection of the overextending parts on the window border (X.sub.max, Y.sub.max), and in that the said processing process is entirely executed within the plotting process, and in the course of the plotting of the curve.

REFERENCES:
patent: 4272808 (1981-06-01), Hartwig
patent: 4674059 (1987-06-01), Schrieber
patent: 4716404 (1987-12-01), Tabata et al.
patent: 4755955 (1988-07-01), Kimura et al.
patent: 4785391 (1988-11-01), Apley et al.
patent: 4805117 (1989-02-01), Fiore et al.
patent: 4821209 (1989-04-01), Hempel et al.
Proceedings IECON '84; International Conference on Industrial Electronics, Control & Inst.; Oct.22-26, 1984; vol. 1, pp. 429-431.

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