GeometryGym.Ifc.IfcTrimmedCurve.IfcTrimmedCurve C# (CSharp) Méthode

        internal IfcTrimmedCurve(DatabaseIfc db, Arc a, bool twoD, IfcCartesianPoint optStrt, out IfcCartesianPoint end)
            : base(db)
        {
            Point3d o = a.Plane.Origin, s = a.StartPoint, e = a.EndPoint;
            Vector3d x = s - o;
            mSenseAgreement = true;
            if (optStrt == null)
                optStrt = twoD ? new IfcCartesianPoint(db, new Point2d(s.X, s.Y)) : new IfcCartesianPoint(db, s);
            end = twoD ? new IfcCartesianPoint(db, new Point2d(e.X, e.Y)) : new IfcCartesianPoint(db,e);
            double angleFactor = mDatabase.mContext.UnitsInContext.getScaleSI(IfcUnitEnum.PLANEANGLEUNIT);
            if (twoD)
            {
                if (a.Plane.ZAxis.Z < 0)
                {
                    mSenseAgreement = false;
                    x = e - o;
                    IfcAxis2Placement2D ap = new IfcAxis2Placement2D(db, new Point2d(o.X, o.Y), new Vector2d(x.X, x.Y));
                    BasisCurve = new IfcCircle(ap, a.Radius);
                    mTrim1 = new IfcTrimmingSelect(a.Angle / angleFactor, optStrt);
                    mTrim2 = new IfcTrimmingSelect(0, end);
                }
                else
                {
                    IfcAxis2Placement2D ap = new IfcAxis2Placement2D(db, new Point2d(o.X, o.Y), new Vector2d(x.X, x.Y));
                    BasisCurve = new IfcCircle(ap, a.Radius);
                    mTrim1 = new IfcTrimmingSelect(0, optStrt);
                    mTrim2 = new IfcTrimmingSelect(a.Angle / angleFactor, end);
                }
            }
            else
            {
                Vector3d y = Vector3d.CrossProduct(a.Plane.ZAxis, x);
                Plane pl = new Plane(o, x, y);
                IfcAxis2Placement3D ap = new IfcAxis2Placement3D(db, pl);
                BasisCurve = new IfcCircle(ap, a.Radius);
                mTrim1 = new IfcTrimmingSelect(0, optStrt);
                mTrim2 = new IfcTrimmingSelect(a.Angle / angleFactor, end);
            }
            mMasterRepresentation = IfcTrimmingPreference.PARAMETER;
        }