Emgu CV Library Documentation
Side Method (point)
NamespacesEmgu.CVLine2D<(Of <(T>)>)Side(Point2D<(Of <(T>)>))

www.emgu.com/wiki
Determin which side of the line the 2D point is at
Declaration Syntax
C#Visual BasicVisual C++
public int Side(
	Point2D<T> point
)
Public Function Side ( _
	point As Point2D(Of T) _
) As Integer
public:
int Side(
	Point2D<T>^ point
)
Parameters
point (Point2D<(Of <(T>)>))
the point
Return Value
1 if on the right hand side; 0 if on the line; -1 if on the left hand side;

Assembly: Emgu.CV (Module: Emgu.CV) Version: 1.3.0.0 (1.3.0.0)