Emgu CV Library Documentation
FindNearestPoint2D Method (point)

Finds subdivision vertex that is the closest to the input point. It is not necessarily one of vertices of the facet containing the input point, though the facet (located using cvSubdiv2DLocate) is used as a starting point.
Declaration Syntax
C#Visual BasicVisual C++
public MCvSubdiv2DPoint FindNearestPoint2D(
	ref MCvPoint2D32f point
Public Function FindNearestPoint2D ( _
	ByRef point As MCvPoint2D32f _
) As MCvSubdiv2DPoint
MCvSubdiv2DPoint FindNearestPoint2D(
	MCvPoint2D32f% point
point ( MCvPoint2D32f %)
Input point
Return Value
returns the found subdivision vertex

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