FIELD: geodesy.
SUBSTANCE: method comprises obtaining data base on the local relief by aerospace means with a high spatial resolution, dividing the matrix for the local area into fragments by 3x3 pixels, calculating finite differences of the first order from the coordinates with respect to the central pixel, and determining the are of the relief by a numerical method.
EFFECT: enhanced reliability of determining.
5 dwg
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Authors
Dates
2005-04-27—Published
2004-02-19—Filed