Circle2d.TangentPoint Method

Namespace: IGS.Genamo
Assembly: Genamo (in Genamo.dll)

Computes a point which is the tangent point on the circles circumference seen from a specified point.

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public Point2d TangentPoint( 
   Point2d from, 
   Side side 
)

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The 'from point' used, ie the start point of the line that tangents the circle.

Side of circles center when looking from the 'from-point' the tangent point is at (selects which of the two tangent points that are calculated).

A point on the circle that is the endpoint of a line tangenting the circle. null is returned if no tangent point exists.

Supported in: 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8