Class Arc
An arc is any portion (other than the entire curve) of the circumference of a circle.
Represents the value of a plane, two angles (interval in radians) and a radius (radians).
The arc run ccw rotation where Xaxis and Yaxis form a orthonormal frame.
Inheritance
System.Object
Arc
Inherited Members
System.Object.Equals(System.Object, System.Object)
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
Syntax
public class Arc : Circle, IGeometry<NurbsBase>, IEquatable<NurbsBase>, ITransformable<NurbsBase>, IGeometry<Circle>, IEquatable<Circle>, ITransformable<Circle>, IGeometry<Arc>, IEquatable<Arc>, ITransformable<Arc>
Examples
// Initializes an arc by plane, radius and angle.
double angle = GSharkMath.ToRadians(40);
_exampleArc2D = new Arc(Plane.PlaneXY, 15, angle);
// Initializes an arc by 3 points.
Point3 pt1 = new Point3(74.264416, 36.39316, -1.884313);
Point3 pt2 = new Point3(97.679126, 13.940616, 3.812853);
Point3 pt3 = new Point3(100.92443, 30.599893, -0.585116);
_exampleArc3D = new Arc(pt1, pt2, pt3);
Constructors
|
Improve this Doc
View Source
Arc(Plane, Double, Interval)
Initializes an arc from a plane, a radius and an angle domain expressed as an interval in radians.
Declaration
public Arc(Plane plane, double radius, Interval angleDomainRadians)
Parameters
Type |
Name |
Description |
Plane |
plane |
Base plane.
|
System.Double |
radius |
Radius value in radians.
|
Interval |
angleDomainRadians |
Interval defining the angle in radians of the arc. Interval should be between 0.0 to 2Pi
|
|
Improve this Doc
View Source
Arc(Plane, Double, Double)
Initializes an arc from a plane, a radius and an angle in radians.
Declaration
public Arc(Plane plane, double radius, double angleRadians)
Parameters
Type |
Name |
Description |
Plane |
plane |
Base plane.
|
System.Double |
radius |
Radius value.
|
System.Double |
angleRadians |
Angle of the arc in radians.
|
|
Improve this Doc
View Source
Arc(Point3, Point3, Point3)
Initializes an arc from three points.
Declaration
public Arc(Point3 pt1, Point3 pt2, Point3 pt3)
Parameters
Type |
Name |
Description |
Point3 |
pt1 |
Start point of the arc.
|
Point3 |
pt2 |
Interior point on arc.
|
Point3 |
pt3 |
End point of the arc.
|
Properties
|
Improve this Doc
View Source
Angle
Gets the angle of this arc.
Angle value in radians.
Declaration
public double Angle { get; }
Property Value
Type |
Description |
System.Double |
|
Methods
|
Improve this Doc
View Source
BoundingBox()
Declaration
public BoundingBox BoundingBox()
Returns
|
Improve this Doc
View Source
ByStartEndDirection(Point3, Point3, Vector3)
Creates an arc defined by a start point, end point and a direction at the first point.
Declaration
public static Arc ByStartEndDirection(Point3 ptStart, Point3 ptEnd, Vector3 dir)
Parameters
Type |
Name |
Description |
Point3 |
ptStart |
Start point arc.
|
Point3 |
ptEnd |
End point arc.
|
Vector3 |
dir |
TangentAt direction at start.
|
Returns
Type |
Description |
Arc |
An arc.
|
|
Improve this Doc
View Source
Equals(Arc)
Determines whether the arc is equal to another.
The arcs are equal if have the same plane, radius and angle.
Declaration
public bool Equals(Arc other)
Parameters
Type |
Name |
Description |
Arc |
other |
The arc to compare to.
|
Returns
Type |
Description |
System.Boolean |
True if the arc are equal, otherwise false.
|
|
Improve this Doc
View Source
GetHashCode()
Computes a hash code for the arc.
Declaration
public override int GetHashCode()
Returns
Type |
Description |
System.Int32 |
A unique hashCode of an arc.
|
Overrides
|
Improve this Doc
View Source
Offset(Double)
Computes the offset of the arc.
Declaration
public Arc Offset(double distance)
Parameters
Type |
Name |
Description |
System.Double |
distance |
The distance of the offset.
|
Returns
Type |
Description |
Arc |
The offset arc.
|
|
Improve this Doc
View Source
ToString()
Gets the text representation of an arc.
Declaration
public override string ToString()
Returns
Type |
Description |
System.String |
Text value.
|
Overrides
|
Improve this Doc
View Source
Applies a transformation to the plane where the arc is on.
Declaration
public Arc Transform(TransformMatrix t)
Parameters
Returns
Type |
Description |
Arc |
A transformed arc.
|
Implements
System.IEquatable<T>
System.IEquatable<T>
System.IEquatable<T>