public static SubXYZ ( Autodesk p1, Autodesk p2 ) : Autodesk.Revit.DB.XYZ | ||
p1 | Autodesk | the first point(vector) |
p2 | Autodesk | the second point(vector) |
return | Autodesk.Revit.DB.XYZ |
/// <summary> /// Get the hook orient of the top rebar /// </summary> /// <param name="geomInfo">the rebar geometry support information</param> /// <param name="location">the location of top rebar</param> /// <returns>the hook orient of the top hook</returns> private RebarHookOrientation GetTopHookOrient(RebarGeometry geomInfo, TopRebarLocation location) { // Top center rebar doesn't need hook. if (TopRebarLocation.Center == location) { throw new Exception("Center top rebar doesn't have any hook."); } // Get the hook direction, rebar normal and rebar line Autodesk.Revit.DB.XYZ hookVec = m_geometry.GetDownDirection(); Autodesk.Revit.DB.XYZ normal = geomInfo.Normal; Line rebarLine = geomInfo.Curves[0] as Line; // get the top start hook orient if (TopRebarLocation.Start == location) { Autodesk.Revit.DB.XYZ curveVec = GeomUtil.SubXYZ(rebarLine.get_EndPoint(1), rebarLine.get_EndPoint(0)); return(GeomUtil.GetHookOrient(curveVec, normal, hookVec)); } else // get the top end hook orient { Autodesk.Revit.DB.XYZ curveVec = GeomUtil.SubXYZ(rebarLine.get_EndPoint(0), rebarLine.get_EndPoint(1)); return(GeomUtil.GetHookOrient(curveVec, normal, hookVec)); } }
/// <summary> /// Get two vectors, which indicate some edge direction which contain given point, /// set the given point as the start point, the other end point of the edge as end /// </summary> /// <param name="point">a point of the swept profile</param> /// <returns>two vectors indicate edge direction</returns> protected List <Autodesk.Revit.DB.XYZ> GetRelatedVectors(Autodesk.Revit.DB.XYZ point) { // Initialize the return vector list. List <Autodesk.Revit.DB.XYZ> vectors = new List <Autodesk.Revit.DB.XYZ>(); // Get all the edge which contain this point. // And get the vector from this point to another point foreach (Line line in m_edges) { if (GeomUtil.IsEqual(point, line.GetEndPoint(0))) { Autodesk.Revit.DB.XYZ vector = GeomUtil.SubXYZ(line.GetEndPoint(1), line.GetEndPoint(0)); vectors.Add(vector); } if (GeomUtil.IsEqual(point, line.GetEndPoint(1))) { Autodesk.Revit.DB.XYZ vector = GeomUtil.SubXYZ(line.GetEndPoint(0), line.GetEndPoint(1)); vectors.Add(vector); } } // only two vector(direction) should be found if (2 != vectors.Count) { throw new Exception("a point on swept profile should have only two direction."); } return(vectors); }
/// <summary> /// Get the swept profile(face) of the host object(family instance) /// </summary> /// <param name="solid">the solid reference</param> /// <returns>the swept profile</returns> private Face GetSweptProfileFace(Solid solid) { // Get a point on the swept profile from all points in solid Autodesk.Revit.DB.XYZ refPoint = new Autodesk.Revit.DB.XYZ(); // the point on swept profile foreach (Edge edge in solid.Edges) { List <XYZ> points = edge.Tessellate() as List <XYZ>; //get end points of the edge if (2 != points.Count) // make sure all edges are lines { throw new Exception("All edge should be line."); } // get two points of the edge. All points in solid should be transform first Autodesk.Revit.DB.XYZ first = Transform(points[0]); // start point of edge Autodesk.Revit.DB.XYZ second = Transform(points[1]); // end point of edge // some edges should be parallelled with the driving line, // and the start point of that edge should be the wanted point Autodesk.Revit.DB.XYZ edgeVector = GeomUtil.SubXYZ(second, first); if (GeomUtil.IsSameDirection(edgeVector, m_drivingVector)) { refPoint = first; break; } if (GeomUtil.IsOppositeDirection(edgeVector, m_drivingVector)) { refPoint = second; break; } } // Find swept profile(face) Face sweptFace = null; // define the swept face foreach (Face face in solid.Faces) { if (null != sweptFace) { break; } // the swept face should be perpendicular with the driving line if (!GeomUtil.IsVertical(face, m_drivingLine, m_transform, null)) { continue; } // use the gotted point to get the swept face foreach (Autodesk.Revit.DB.XYZ point in face.Triangulate().Vertices) { Autodesk.Revit.DB.XYZ pnt = Transform(point); // all points in solid should be transform if (GeomUtil.IsEqual(refPoint, pnt)) { sweptFace = face; break; } } } return(sweptFace); }
/// <summary> /// constructor /// </summary> /// <param name="element">the host object, must be family instance</param> /// <param name="geoOptions">the geometry option</param> public GeometrySupport(FamilyInstance element, Options geoOptions) { // get the geometry element of the selected element Autodesk.Revit.DB.GeometryElement geoElement = element.get_Geometry(new Options()); IEnumerator <GeometryObject> Objects = geoElement.GetEnumerator(); if (null == geoElement || !Objects.MoveNext()) { throw new Exception("Can't get the geometry of selected element."); } AnalyticalModel aModel = element.GetAnalyticalModel(); if (aModel == null) { throw new Exception("The selected FamilyInstance don't have AnalyticalModel."); } AnalyticalModelSweptProfile swProfile = aModel.GetSweptProfile(); if (swProfile == null || !(swProfile.GetDrivingCurve() is Line)) { throw new Exception("The selected element driving curve is not a line."); } // get the driving path and vector of the beam or column Line line = swProfile.GetDrivingCurve() as Line; if (null != line) { m_drivingLine = line; // driving path m_drivingVector = GeomUtil.SubXYZ(line.GetEndPoint(1), line.GetEndPoint(0)); } //get the geometry object Objects.Reset(); //foreach (GeometryObject geoObject in geoElement.Objects) while (Objects.MoveNext()) { GeometryObject geoObject = Objects.Current; //get the geometry instance which contain the geometry information GeoInstance instance = geoObject as GeoInstance; if (null != instance) { //foreach (GeometryObject o in instance.SymbolGeometry.Objects) IEnumerator <GeometryObject> Objects1 = instance.SymbolGeometry.GetEnumerator(); while (Objects1.MoveNext()) { GeometryObject o = Objects1.Current; // get the solid of beam of column Solid solid = o as Solid; // do some checks. if (null == solid) { continue; } if (0 == solid.Faces.Size || 0 == solid.Edges.Size) { continue; } m_solid = solid; //get the transform value of instance m_transform = instance.Transform; // Get the swept profile curves information if (!GetSweptProfile(solid)) { throw new Exception("Can't get the swept profile curves."); } break; } } } // do some checks about profile curves information if (null == m_edges) { throw new Exception("Can't get the geometry edge information."); } if (4 != m_points.Count) { throw new Exception("The sample only work for rectangular beams or columns."); } }