DG Kernel (ActiveX) Documentation


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Skip Navigation LinksHome Page > API Reference > General Geometry > Curves > ICircle_DG Go to DGKC docs Search Documentation


ICircle_DG Interface

Oriented 3D circle with center at the origin of its local frame as specified by Init*(). Axis consides with Z axis of the local frame.

A standalone circle can be created via IObjectGenerator_DG.Create("ICircle_DG") > ICircle_DG query.

Implements also: ICurve_DG, IGeometricObject_DG, IObject_DG.

Init
Init1
Init2
Init3
GetRadius
SetRadius
GetCenter
SetCenter
GetAxisDirection
SetAxisDirection
GetLocation
SetLocation
GetPoint
GetTangent
Copy
Clone

void Init(Point_DG center, Vect_DG axis, double radius)


void Init1(IFrame_DG frame, double radius)

Defines this as a circle at the origin of the x and y plane of frame.


void Init2(Point_DG point0, Point_DG point1, Point_DG point2)


void Init3(Point_DG endArc0, Point_DG endArc1, Vect_DG normal, double radius)

Defines this as circle of an arc in plane with normal in direction of normal. normal is adjusted to make it perpendicular to [endArc0, endArc1] direction.


double GetRadius()


void SetRadius(double radius)


Point_DG GetCenter()


void SetCenter(Point_DG center)


Vect_DG GetAxisDirection()


void SetAxisDirection(Vect_DG axis)


IFrame_DG GetLocation()

The returnel frame is by value. Its modifications are copied to the curcle only inside a SetLocation() call below


void SetLocation(IFrame_DG frame)

Modifies location and orientation of the circle


Point_DG GetPoint(double angle)


Vect_DG GetTangent(double angle)


void Copy(ICircle_DG circle)


ICircle_DG Clone()

Returns a new copy of this.