PolygonOrientation<T> Method

Computes the signed area of a polygon (the points are always projected on XY plane).

Syntax

'Declaration
 
Public Shared Function PolygonOrientation(Of T As Point2D)( _
   ByVal polygon As IList(Of T) _
) As Double

public static double PolygonOrientation<T>( 
   IList<T> polygon
)
where T: Point2D

>0 for counterclockwise =0 for none (degenerate) lt;0 for clockwise.