Emgu CV Library Documentation
cvPointPolygonTest Method
NamespacesEmgu.CVCvInvokecvPointPolygonTest()()()

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cvPointPolygonTest(IntPtr, PointF, Int32)
Determines whether the point is inside contour, outside, or lies on an edge (or coinsides with a vertex). It returns positive, negative or zero value, correspondingly

cvPointPolygonTest(IntPtr, PointF, Boolean)
Determines whether the point is inside contour, outside, or lies on an edge (or coinsides with a vertex). It returns positive, negative or zero value, correspondingly

Assembly: Emgu.CV (Module: Emgu.CV) Version: 1.5.0.0 (1.5.0.0)