internal ParabolaProperty(IArcSegment3D parabolicArc)
{
Matrix = new Matrix44();
IsValid = CalculateParabolaProperty(parabolicArc);
if (!IsValid)
{
var seg = new ArcSegment3D(parabolicArc.StartPoint, parabolicArc.IntermedPoint, parabolicArc.EndPoint);
ParabolaLength = GeomOperation.GetLength(seg);
}
}
public override ISegment3D CloneSegment(bool clonePoints)
{
if (clonePoints)
{
return(new ArcSegment3D(this));
}
else
{
ArcSegment3D newSeg = new ArcSegment3D(StartPoint, IntermedPoint, EndPoint);
ICoordSystem newSystem = null;
LocalCoordinateSystem.CopyTo(ref newSystem);
newSeg.LocalCoordinateSystem = newSystem;
return(newSeg);
}
}
/// <summary>
/// Gets all angle change of parabola
/// </summary>
/// <returns>Angle change</returns>
internal double GetAngleChange()
{
double angle = 0;
if (Property.IsValid)
{
Vector3D vect1 = new Vector3D();
Vector3D vect2 = new Vector3D();
GeomOperation.GetTangentOnSegment(this, 0.0, ref vect1);
GeomOperation.GetTangentOnSegment(this, 1.0, ref vect2);
angle = GeomOperation.GetAngle(vect1, vect2);
}
else
{
var seg = new ArcSegment3D(StartPoint, IntermedPoint, EndPoint);
angle = GeomOperation.GetArcAngle(seg);
}
return(angle);
}
