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Math2DPolygonArea Method

Calculates the area of a closed polygon. The polygon points are given in points. The result is positive if, in a Cartesian coordinate system with x to the right and y to the top, the polygon points are circulating counterclockwise around the enclosed area. Otherwise, the result is negative.

Namespace: Altaxo.Geometry
Assembly: AltaxoCore (in AltaxoCore.dll) Version: 4.8.3448.0 (4.8.3448.0)
Syntax
C#
Copy
public static double PolygonArea(
	IEnumerable<PointD2D> points
)

Parameters

points  IEnumerablePointD2D
The polygon points. There is no need to repeat the first point at the end of the enumeration.

Return Value

Double
The polygon area (positive for a counterclockwise oriented polygon, negative for a clockwise oriented polygon).
See Also