Boots – shoes – and leggings
Patent
1995-12-29
1998-03-17
Cosimano, Edward R.
Boots, shoes, and leggings
364400, 364424029, 364424031, 3644441, 3644442, 36446427, 36446428, G06F 1900
Patent
active
057294585
ABSTRACT:
A cost zone about an origin on an digital map includes the area on the map that can be traveled to, from the origin, which has a cost of travel less than a predetermined cost. The cost can be measured in distance, time of travel, ease of turning, tolls; etc. The steps of creating a cost zone include identifying a set of decision points on the map that are within a predetermined factor of the desired cost, triangulating the decision points to create a set of triangles and interpolating along a subset of the sides of the triangles to estimate the locations along the sides that can be traveled to at the desired cost.
REFERENCES:
patent: 4829443 (1989-05-01), Pintsov et al.
patent: 5287446 (1994-02-01), Williams et al.
patent: 5425139 (1995-06-01), Williams et al.
Heckbert, Paul S., Graphics Gems IV, 1994, pp. 47-59.
Berry, Joseph K., Beyond Mapping: Concepts, Algorithms, and Issues in GIS, 1993, pp. 21-23, 25-29, 31-33, 35-37 (pp. 24, 30 and 34 are blank).
Sedgewick, Robert, Algorithms, Second Edition 1988, pp. 415-469 and 471-483 (p. 470 is blank).
Cosimano Edward R.
Etak, Inc.
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