Method and apparatus for generating digital map images of a unif

Details Method and apparatus for generating digital map images of a unif Method and apparatus for generating digital map images of a unif

1996-12-16

1998-12-01

Nguyen, Phu K.

Computer graphics processing and selective visual display system

Computer graphics processing

Graph generating

G06F 1500

Patent

active

058445706

ABSTRACT:
A computer-implemented method and associated apparatus for generating digital map images of a uniform format. Bit mapped map images corresponding to a printed map are obtained by scanning or other means. A bit mapped map image is then cropped to select a map image corresponding to a desired geographic area, such as a one degree by one degree area. The boundaries of the selected map image are moved to shape the geographic area into a tessellated shape, such as a rectangle. The selected map image is then re-sized to contain a predetermined pixel area. The map image, now of a uniform format, is then stored with an identifier of a reference point and size of the geographic area represented by the map image. For example, the identifier may be the name of a computer-readable file containing the map image.

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Adobe Photoshop User Guide, Adobe Systems Incorporated, Chapters 9 & 10, pp. 79-90 (1993).

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