Arc

Description:
A circular arc.

Remarks:
The arc lies in the plane defined by center and normal.

Inheritance Hierarchy:
System.Object
  Autodesk.Revit.DB.APIObject
    Autodesk.Revit.DB.GeometryObject
      Autodesk.Revit.DB.Curve
        Autodesk.Revit.DB.Arc

public class Arc : Curve

Public Class Arc _
	Inherits Curve

public ref class Arc : public Curve

Name	Return Type	Description	Inherited From
M Create(Plane, Double, Double, Double)	The new arc.	Creates a new geometric arc object based on plane, radius, and angles.
M Create(XYZ, Double, Double, Double, XYZ, XYZ)	The new arc.	Creates a new geometric arc object based on center, radius, unit vectors, and angles.
M Create(XYZ, XYZ, XYZ)	The new arc.	Creates a new geometric arc object based on three points.
M Dispose()	None	Causes the object to release immediately any resources it may be utilizing.	APIObject
M op_Equality(GeometryObject, GeometryObject)	bool	Determines whether two GeometryObjects are the same.	GeometryObject
M Equals(Object)	bool	Determines whether the specified is equal to the current .	GeometryObject
M GetHashCode()	int	Gets the integer value of the geometry object as hash code	GeometryObject
M op_Inequality(GeometryObject, GeometryObject)	bool	Determines whether two GeometryObjects are different.	GeometryObject
M Clone()	Curve	Returns a copy of this curve.	Curve
M ComputeClosestPoints(Curve, Boolean, Boolean, Boolean, IList<ClosestPointsPairBetweenTwoCurves>)	None	Find the closest points between two curves. Closest points mean closest pairs of points, each pair consisting of a point on this, say P1, and a point on other curve, say P2. P1 and P2 are closest locally.	Curve
M ComputeDerivatives(Double, Boolean)	Transform	Returns the vectors describing the curve at the specified parameter.	Curve
M ComputeNormalizedParameter(Double)	double	Computes the normalized curve parameter from the raw parameter.	Curve
M ComputeRawParameter(Double)	double	Computes the raw parameter from the normalized parameter.	Curve
M CreateOffset(Double, XYZ)	The new curve.	Creates a new curve that is an offset of the existing curve.	Curve
M CreateReversed()	The new curve.	Creates a new curve with the opposite orientation of the existing curve.	Curve
M CreateTransformed(Transform)	The new curve.	Crates a new instance of a curve as a transformation of this curve.	Curve
M Distance(XYZ)	double	Returns the shortest distance from the specified point to this curve.	Curve
M Evaluate(Double, Boolean)	XYZ	Evaluates and returns the point that matches a parameter along the curve.	Curve
M GetEndParameter(Int32)	The parameter.	Returns the raw parameter value at the start or end of this curve.	Curve
M GetEndPoint(Int32)	The curve endpoint.	Returns the 3D point at the start or end of this curve.	Curve
M GetEndPointReference(Int32)	nullNothingnullptr	Returns a stable reference to the start point or the end point of the curve.	Curve
M Intersect(Curve)	SetComparisonResult	Calculates the intersection of this curve with the specified curve.	Curve
M Intersect(Curve, IntersectionResultArray%)	SetComparisonResult	Calculates the intersection of this curve with the specified curve and returns the intersection results.	Curve
M IsInside(Double)	bool	Indicates whether the specified parameter value is within this curve's bounds.	Curve
M IsInside(Double, Int32%)	bool	Indicates whether the specified parameter value is within this curve's bounds and outputs the end index.	Curve
M MakeBound(Double, Double)	None	Changes the bounds of this curve to the specified values.	Curve
M MakeUnbound()	None	Makes this curve unbound.	Curve
M Project(XYZ)	IntersectionResult	Projects the specified point on this curve.	Curve
M SetGraphicsStyleId(ElementId)	None	Sets the graphics style id for this curve.	Curve
M Tessellate()	IList<XYZ>	Valid only if the curve is bound. Returns a polyline approximation to the curve.	Curve

Name	Return Type	Description	Inherited From
P Center	XYZ	Returns the center of the arc.
P Normal	XYZ	Returns the normal to the plane in which the arc is defined.
P Radius	double	Returns the radius of the arc.
P XDirection	XYZ	Returns the X direction.
P YDirection	XYZ	Returns the Y direction.
P IsReadOnly	bool	Identifies if the object is read-only or modifiable.	APIObject
P GraphicsStyleId	ElementId	The ElementId of the GeometryObject's GraphicsStyle	GeometryObject
P Id	int	A unique integer identifying the GeometryObject in its associated non view-specific GeometryElement.	GeometryObject
P IsElementGeometry	bool	Indicates whether this geometry is obtained directly from an Element.	GeometryObject
P Visibility	Visibility	The visibility.	GeometryObject
P ApproximateLength	double	The approximate length of the curve.	Curve
P IsBound	bool	Describes whether the parameter of the curve is restricted to a particular interval.	Curve
P IsClosed	bool	Describes whether the curve is closed.	Curve
P IsCyclic	bool	The boolean value that indicates whether this curve is cyclic.	Curve
P Length	double	The exact length of the curve.	Curve
P Period	double	The period of this curve.	Curve
P Reference	Reference	Returns a stable reference to the curve.	Curve