/// <summary>
/// gets a circle withe the two points A and B as end and startpoint with a orientation and
/// keeps the center.
/// </summary>
/// <param name="_A">Start point</param>
/// <param name="_B">End point</param>
/// <param name="ClockWise">sense of the circle</param>
public virtual void SetBorder(xyz _A, xyz _B, bool ClockWise)
{
double ra = aRadius;
double rb = bRadius;
Arc = new Arc(Center.toXY(), Radius, Arc.getAngle(Base.Relativ(_A).toXY()), Arc.getAngle(Base.Relativ(_B).toXY()), ClockWise);
aRadius = ra;
bRadius = rb;
}
/// <summary>
/// a constructor with: Center, aRadius, bRadius, Alfa, Beta and ClockWise;
/// </summary>
/// <param name="Center"><see cref="Center"/></param>
/// <param name="ARadius"><see cref="aRadius"/></param>
/// <param name="BRadius"><see cref="bRadius"/></param>
/// <param name="Alfa"><see cref="Alfa"/></param>
/// <param name="Beta"><see cref="Beta"/></param>
/// <param name="Base">the base of the circle3d. <see cref="Base"/></param>
/// <param name="ClockWise"><see cref="ClockWise"/></param>
public Circle3D(Base Base, xyz Center, double ARadius, double BRadius, double Alfa, double Beta, bool ClockWise) : this()
{
this.Base = Base;
Arc = new Arc(Center.toXY(), ARadius, BRadius, Alfa, Beta, ClockWise);
}
/// <summary>
/// Creates a Circle by tree points P,Q and R.
/// </summary>
/// <param name="P">First point</param>
/// <param name="Q">Second point</param>
/// <param name="R">Third point</param>
/// <param name="Base">the base of the circle</param>
public Circle3D(Base Base, xyz P, xyz Q, xyz R)
{
this.Base = Base;
Arc = new Arc(P.toXY(), Q.toXY(), R.toXY());
}
/// <summary>
/// Initializes <see cref="Alfa"/>=0
/// <see cref="Beta"/>=2PI
/// <see cref="bRadius"/>=<see cref="aRadius"/>= Radius and
/// so you get a full circle.
/// </summary>
public Circle3D(Base Base, xyz Center, double Radius) : this()
{
this.Base = Base;
Arc = new Arc(Center.toXY(), Radius);
}
/// <summary>
/// defines <see cref="aRadius"/> and <see cref="bRadius"/> by keeping the ratio of aRadius and bRadius.
/// The arc contains the point <b>Pt</b>.
/// </summary>
/// <param name="Pt">Point, which lies on the new arc.</param>
public void SetRadiusbyPoint(xyz Pt)
{
Arc.SetRadiusbyPoint(Pt.toXY());
}
