Method and system for determining segment types in figure repres

Details Method and system for determining segment types in figure repres Method and system for determining segment types in figure repres

1990-04-20

1993-06-22

Nguyen, Phu K.

Communications: electrical

Land vehicle alarms or indicators

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

395141, 395143, 340728, 340747, G06F 1572

Patent

active

052222071

ABSTRACT:
When straight short vectors representing a predetermined figure are given, a connecting point determination section determines a connection state of a connecting point of each straight short vector. In accordance with the determination result, an attribute information setting section sets attribute information for each connecting point. On the basis of the set attribute information, a segment type determination section determines the segment type of each straight short vector. In this manner, the straight short vectors are classified into straight and curve segments. Curve fitting can be performed for the curve segments.

REFERENCES:
patent: 4346445 (1982-08-01), Leuenberger et al.
patent: 4821207 (1989-04-01), Ming et al.
patent: 4961150 (1990-10-01), Seki et al.
A Method for Interpolating Reasonable-Shaped Curves Through Any Data by J. Butland Computer Graphics (1980) pp. 409-422.
URW verlag: "Digital Formats for Typeface" (by Peter Karow), 1987, pp. 102-105.
Patent Abstracts of Japan, vol. 12, No. 178, May 1988, JP-A-62 287 376, Dec. 1987.

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