Method for determining the optimum angle for displaying a line o

Details Method for determining the optimum angle for displaying a line o Method for determining the optimum angle for displaying a line o

1993-05-25

1996-02-06

Hjerpe, Richard

Computer graphics processing and selective visual display system

Display peripheral interface input device

Light pen for fluid matrix display panel

345142, G09G 536

Patent

active

054899206

ABSTRACT:
The present invention is a method for determining the optimum angle for displaying a line on raster output devices. The preferred embodiment defines the possible adjustments of a line as it is being displayed at a raster resolution as a penalty which comprises of a weighted sum of a distance variable and an angular variable. The weight permits the user to decide between a trade-off between the fidelity to original angle and the quality of a line being displayed. To determine the optimum angle for displaying a line at a particular raster resolution, the present invention finds the angle with the smallest penalty. The optimum angle is further constrained by a plurality of variables set by the user. Once the user provides the constraints on the minimum penalty, the present invention automatically determines the optimum angle for displaying a line on a raster output devices.

REFERENCES:
patent: 4330834 (1982-05-01), Murphy
patent: 4553214 (1985-11-01), Dettmer
patent: 4672370 (1987-06-01), Yu
patent: 4780711 (1988-10-01), Doumas
patent: 4888584 (1989-12-01), Ando et al.
patent: 4903216 (1990-02-01), Huss et al.

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