Digital contour line generator

Details Digital contour line generator Digital contour line generator

G - Physics

09

G

375/5

G09G 5/00 (2006.01) G06T 17/05 (2011.01) G06T 5/00 (2006.01)

Patent

CA 1301380

Abstract A contour line generator for identifying and displaying in real time elevation contour lines for use with a moving map display. A plurality of data points neighboring a selected data point are compared to determine the presence or absence of a contour line. An average elevation is computed and applied to address a contour memory, having stored therein the elevations at which contour lines are desired to be displayed. The resultant logic signals are applied dynamically to override normal display data when a contour line is to be generated. The system provides programability for flexibility in modifying contour line intervals.

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