Computes tangent lines on the circle.
Namespace:
ceometric.VectorGeometry
Assembly:
ceometric.VectorGeometry (in ceometric.VectorGeometry.dll) Version: 1.8.0.0 (1.8.0.0)
Syntax
Visual Basic (Declaration) |
---|
Public Function TangentLines2d ( _
point As Point _
) As List(Of Line) |
Return Value
Returns
- 2 tangent lines from point on the circle if point is coplanar to
the circle and point does not lie inside the circle.
- 1 tangent line if point lies on the circumference of the circle.
- 0 tangent lines if point lies inside the circle.
- null if the circle is not coplanar to point
See Also