IConstructEllipticArc Interface

Provides access to members that construct an elliptic arc segment using other geometries and measures.

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Description

IConstructEllipticArc contains methods for constructing Full EllipticArcs, Quarter EllipticArcs, suggested EllipticArcs, and general EllipticArcs.  Only ConstructUpToFivePoints can construct a rotated EllipticArc.  All other EllipticArcs are unrotated (or rotated by Pi/2).

Members

	All Properties Methods	Description
	ConstructEnvelope	Constructs the inscribed ellipse of the given envelope. The ellipse is oriented counterclockwise.
	ConstructQuarterEllipse	Construct an elliptic arc that starts at fromPoint, goes to toPoint, and spans an angle of pi/2. The rotation of the ellipse will be either 0 or pi/2.
	ConstructTwoPointsEnvelope	Construct an elliptic arc that starts at fromPoint, goes to toPoint, and tries to have the embedded ellipse inscribed in the suggestedEnvelope. The result will have rotation of 0 or pi/2.
	ConstructUpToFivePoints	Constructs an elliptic arc, given up to 5 points, such that the embedded ellipse passes through as many as possible. The arc will start at the first point and end at the second, passing through the third.

CoClasses that implement IConstructEllipticArc