Polygon point

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Perforated polygon brick made of granite in Berlin-Spandau , head dimensions 20cm * 20cm

In national surveying , points of a higher order ( trigonometric points , which are about 10 to 50 km apart, are condensed by polygon points . The triangular areas, which are usually formed by trigonometric points, are divided into polygons ) in the course of the condensation Points of these areas are called polygon points accordingly.

More often, however, the term is used to designate survey points that run linearly - mostly along roads and paths - between the trigonometric points of these polygon areas. These lines of lines are called polygon sides or polylines .

See also: survey point , fixed point