//族实例化,创建族并对其进行旋转 private FamilyInstance CreateFamlyInstance(DG.Point DGpoint, DG.Curve curve, FamilySymbol FamilySymbol, ExternalCommandData commandData) { UIDocument uiDoc = commandData.Application.ActiveUIDocument; //取得当前活动文档 XYZ point = DGpoint.ToRevitType(false); //dynamo转Revit FamilyInstance familyInstance = uiDoc.Document.Create.NewFamilyInstance(point, FamilySymbol, Autodesk.Revit.DB.Structure.StructuralType.NonStructural); LocationPoint locationPoint = familyInstance.Location as LocationPoint;//自适应族基点 XYZ axisP = new XYZ(point.X, point.Y, point.Z + 100); Autodesk.Revit.DB.Line axis = Autodesk.Revit.DB.Line.CreateBound(point, axisP);//旋转轴 //计算旋转角度 double ratio = curve.ParameterAtPoint(DGpoint); DG.Vector vector = curve.TangentAtParameter(ratio); MessageBox.Show(vector.ToString()); DG.Vector vector1 = DG.Vector.ByCoordinates(vector.X, vector.Y, 0);//三维切向量的平面向量 DG.Vector vectorY = DG.Vector.ByCoordinates(0, 1, 0); double angle = vector1.AngleWithVector(vectorY) / 180 * Math.PI; MessageBox.Show(angle.ToString()); //locationPoint.Rotate(axis, angle);//旋转横梁 ElementTransformUtils.RotateElement(uiDoc.Document, familyInstance.Id, axis, -angle); return(familyInstance); }
/// <summary> /// This function creates a list of cut planes; /// Initial cut plane is normal plane to curve at given origin /// and the rest of the planes are generated from the initial plane /// and the given spacing. /// </summary> /// <param name="curve"></param> /// <param name="origin"></param> /// <returns>List containing all cut planes</returns> public List<Plane> GenerateCutPlanes(Curve curve, double origin) { List<Plane> Planes = new List<Plane>(); if (origin > 0) Planes.Add(Plane.ByOriginNormal(curve.PointAtParameter(origin), curve.TangentAtParameter(origin))); else Planes.Add(Plane.ByOriginNormal((Point)Solid.Intersect(curve)[0], curve.TangentAtParameter(curve.ParameterAtPoint((Point)Solid.Intersect(curve)[0])))); return Planes; }