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Namespace: Autodesk.Revit.DB.Analysis Class: Polyloop

Polyloop.ComputeArea

Method
Description:
Gets the area for this polygon.
Remarks:
The area of the planar non-self-intersecting polygon computed as: A = 1/2 * (X1 Y2) - (X2 Y1) + ... + (Xn Y1) - (X1 Yn)
Syntax 
public double ComputeArea()