const double PRECISION = 0.00001; //precision when judge whether two doubles are equal
/// <summary>
/// get all faces that compose the geometry solid of given element
/// </summary>
/// <param name="elem">element to be calculated</param>
/// <returns>all faces</returns>
public static FaceArray GetFaces(Element elem)
{
List <Face> faces = new List <Face>();
Autodesk.Revit.DB.Options geoOptions =
Command.CommandData.Application.Application.Create.NewGeometryOptions();
geoOptions.ComputeReferences = true;
GeoElement geoElem = elem.get_Geometry(geoOptions);
//GeometryObjectArray geoElems = geoElem.Objects;
IEnumerator <GeometryObject> Objects = geoElem.GetEnumerator();
//foreach (object o in geoElems)
while (Objects.MoveNext())
{
object o = Objects.Current;
GeoSolid geoSolid = o as GeoSolid;
if (null == geoSolid)
{
continue;
}
return(geoSolid.Faces);
}
return(null);
}
/// <summary>
/// Located the buttom of a slab object.
/// </summary>
/// <param name="floor">A floor object.</param>
/// <param name="bubbleEnd">The bubble end of new reference plane.</param>
/// <param name="freeEnd">The free end of new reference plane.</param>
/// <param name="thirdPnt">The third point of new reference plane.</param>
private void LocateSlab(Floor floor, ref Autodesk.Revit.DB.XYZ bubbleEnd, ref Autodesk.Revit.DB.XYZ freeEnd, ref Autodesk.Revit.DB.XYZ thirdPnt)
{
//Obtain the geometry data of the floor.
GElement geometry = floor.get_Geometry(m_options);
Face buttomFace = null;
//foreach (GeometryObject go in geometry.Objects)
IEnumerator <GeometryObject> Objects = geometry.GetEnumerator();
while (Objects.MoveNext())
{
GeometryObject go = Objects.Current;
Solid solid = go as Solid;
if (null == solid)
{
continue;
}
else
{
//Get the bottom face of this floor.
buttomFace = GeoHelper.GetBottomFace(solid.Faces);
}
}
Mesh mesh = buttomFace.Triangulate();
GeoHelper.Distribute(mesh, ref bubbleEnd, ref freeEnd, ref thirdPnt);
}
/// <summary>
/// Tessellate the curves of path reinforcement.
/// </summary>
private void Tessellate()
{
Options option = new Options();
option.DetailLevel = ViewDetailLevel.Fine;
Autodesk.Revit.DB.GeometryElement geoElem = m_pathRein.get_Geometry(option);
//GeometryObjectArray geoArray = geoElem.Objects;
IEnumerator <GeometryObject> Objects = geoElem.GetEnumerator();
//foreach (GeometryObject geo in geoArray)
while (Objects.MoveNext())
{
GeometryObject geo = Objects.Current;
if (geo is Curve)
{
Curve curve = geo as Curve;
m_curves.Add(curve.Tessellate() as List <XYZ>);
}
}
IList <ElementId> curveIds = m_pathRein.GetCurveElementIds();
foreach (ElementId id in curveIds)
{
ModelCurve modelCurve = m_commandData.Application.ActiveUIDocument.Document.GetElement(id) as ModelCurve;
m_path.Add(modelCurve.GeometryCurve.Tessellate() as List <XYZ>);
}
}
/// <summary>
/// Get geometry of the pathReinforcement
/// </summary>
/// <param name="pathRein">pathReinforcement created</param>
private List <List <XYZ> > GetGeometry(PathReinforcement pathRein)
{
Options options = m_profile.CommandData.Application.Application.Create.NewGeometryOptions();
options.DetailLevel = ViewDetailLevel.Medium;
options.ComputeReferences = true;
Autodesk.Revit.DB.GeometryElement geoElem = pathRein.get_Geometry(options);
List <Curve> curvesList = new List <Curve>();
//GeometryObjectArray gObjects = geoElem.Objects;
IEnumerator <GeometryObject> Objects = geoElem.GetEnumerator();
//foreach (GeometryObject geo in gObjects)
while (Objects.MoveNext())
{
GeometryObject geo = Objects.Current;
Curve curve = geo as Curve;
curvesList.Add(curve);
}
List <List <XYZ> > pointsPreview = new List <List <XYZ> >();
foreach (Curve curve in curvesList)
{
pointsPreview.Add(curve.Tessellate() as List <XYZ>);
}
return(pointsPreview);
}
/// <summary>
/// get all planar faces of an extrusion
/// </summary>
/// <param name="extrusion">the extrusion to read</param>
/// <returns>a list of all planar faces of the extrusion</returns>
public List <PlanarFace> GetPlanarFaces(Extrusion extrusion)
{
// the option to get geometry elements
Options m_geoOptions = m_application.Create.NewGeometryOptions();
m_geoOptions.View = m_document.ActiveView;
m_geoOptions.ComputeReferences = true;
// get the planar faces
List <PlanarFace> m_planarFaces = new List <PlanarFace>();
Autodesk.Revit.DB.GeometryElement geoElement = extrusion.get_Geometry(m_geoOptions);
//foreach (GeometryObject geoObject in geoElement.Objects)
IEnumerator <GeometryObject> Objects = geoElement.GetEnumerator();
while (Objects.MoveNext())
{
GeometryObject geoObject = Objects.Current;
Solid geoSolid = geoObject as Solid;
if (null == geoSolid)
{
continue;
}
foreach (Face geoFace in geoSolid.Faces)
{
if (geoFace is PlanarFace)
{
m_planarFaces.Add(geoFace as PlanarFace);
}
}
}
return(m_planarFaces);
}
/// <summary>
/// Compute the area of the curtain panel instance
/// </summary>
/// <param name="familyinstance">
/// the curtain panel which needs to be computed
/// </param>
/// <returns>
/// the area of the curtain panel
/// </returns>
private double GetAreaOfTileInstance(FamilyInstance familyinstance)
{
double panelArea = 0d;
Autodesk.Revit.DB.Options opt = m_uiApp.Application.Create.NewGeometryOptions();
opt.ComputeReferences = true;
Autodesk.Revit.DB.GeometryElement geomElem = familyinstance.get_Geometry(opt);
//foreach (GeometryObject geomObject1 in geomElem.Objects)
IEnumerator <GeometryObject> Objects = geomElem.GetEnumerator();
while (Objects.MoveNext())
{
GeometryObject geomObject1 = Objects.Current;
Solid solid = null;
// find area of partial border panels
if (geomObject1 is Solid)
{
solid = (Solid)geomObject1;
if (null == solid)
{
continue;
}
}
// find area of non-partial panels
else if (geomObject1 is GeometryInstance)
{
GeometryInstance geomInst = geomObject1 as GeometryInstance;
//foreach (Object geomObj in geomInst.SymbolGeometry.Objects)
IEnumerator <GeometryObject> Objects1 = geomInst.SymbolGeometry.GetEnumerator();
while (Objects1.MoveNext())
{
Object geomObj = Objects1.Current;
solid = geomObj as Solid;
if (solid != null)
{
break;
}
}
}
if (null == solid.Faces || 0 == solid.Faces.Size)
{
continue;
}
// get the area and write the data to a text file
foreach (Face face in solid.Faces)
{
panelArea = face.Area;
m_writeFile.WriteLine(familyinstance.Id.IntegerValue + " : " + panelArea);
}
}
return(panelArea);
}
/// <summary>
/// Get a floor's profile.
/// </summary>
/// <param name="floor">The floor whose profile you want to get.</param>
/// <returns>The profile of the floor.</returns>
private CurveArray GetFloorProfile(Floor floor)
{
CurveArray floorProfile = new CurveArray();
// Structural slab's profile can be found in it's AnalyticalModel.
if (null != floor.GetAnalyticalModel())
{
AnalyticalModel analyticalModel = floor.GetAnalyticalModel();
IList <Curve> curveList = analyticalModel.GetCurves(AnalyticalCurveType.ActiveCurves);
for (int i = 0; i < curveList.Count; i++)
{
floorProfile.Append(curveList[i]);
}
return(floorProfile);
}
// Nonstructural floor's profile can be formed through it's Geometry.
Options aOptions = m_revit.Application.Create.NewGeometryOptions();
Autodesk.Revit.DB.GeometryElement aElementOfGeometry = floor.get_Geometry(aOptions);
//GeometryObjectArray geometryObjects = aElementOfGeometry.Objects;
IEnumerator <GeometryObject> Objects = aElementOfGeometry.GetEnumerator();
//foreach (GeometryObject o in geometryObjects)
while (Objects.MoveNext())
{
GeometryObject o = Objects.Current;
Solid solid = o as Solid;
if (null == solid)
{
continue;
}
// Form the floor's profile through solid's edges.
EdgeArray edges = solid.Edges;
for (int i = 0; i < (edges.Size) / 3; i++)
{
Edge edge = edges.get_Item(i);
List <XYZ> xyzArray = edge.Tessellate() as List <XYZ>; // A set of points.
for (int j = 0; j < (xyzArray.Count - 1); j++)
{
Autodesk.Revit.DB.XYZ startPoint = xyzArray[j];
Autodesk.Revit.DB.XYZ endPoint = xyzArray[j + 1];
Line line = Line.CreateBound(startPoint, endPoint);
floorProfile.Append(line);
}
}
}
return(floorProfile);
}
private static void GetAllFaces(GeometryElement geoElement, List <Face> faces)
{
//foreach (GeometryObject geObject in geoElement.Objects)
IEnumerator <GeometryObject> Objects = geoElement.GetEnumerator();
while (Objects.MoveNext())
{
GeometryObject geObject = Objects.Current;
GetAllFaces(geObject, faces);
}
}
/// <summary>
/// Get all the edges from the given family instance
/// </summary>
/// <param name="familyInstance">The family instance with some edges</param>
/// <returns>Edges of the family instance</returns>
private EdgeArray GetEdges(FamilyInstance familyInstance)
{
Autodesk.Revit.DB.Options opt = m_app.Create.NewGeometryOptions();
opt.ComputeReferences = true;
Autodesk.Revit.DB.GeometryElement geomElem = familyInstance.get_Geometry(opt);
//foreach (GeometryObject geomObject1 in geomElem.Objects)
IEnumerator <GeometryObject> Objects = geomElem.GetEnumerator();
while (Objects.MoveNext())
{
GeometryObject geomObject1 = Objects.Current;
Solid solid = null;
// partial panels
if (geomObject1 is Solid)
{
solid = (Solid)geomObject1;
if (null == solid)
{
continue;
}
}
// non-partial panels
else if (geomObject1 is Autodesk.Revit.DB.GeometryInstance)
{
GeometryInstance geomInst = geomObject1 as GeometryInstance;
//foreach (Object geomObj in geomInst.SymbolGeometry.Objects)
IEnumerator <GeometryObject> Objects1 = geomInst.SymbolGeometry.GetEnumerator();
while (Objects1.MoveNext())
{
Object geomObj = Objects1.Current;
solid = geomObj as Solid;
if (solid != null)
{
break;
}
}
}
if (null == solid || // the solid can't be null
null == solid.Faces || 0 == solid.Faces.Size || // the solid must have 1 or more faces
null == solid.Faces.get_Item(0) || // the solid must have a NOT-null face
null == solid.Faces.get_Item(0).EdgeLoops || 0 == solid.Faces.get_Item(0).EdgeLoops.Size) // the face must have some edges
{
continue;
}
return(solid.Faces.get_Item(0).EdgeLoops.get_Item(0));
}
return(null);
}
/// <summary>
/// get the solids in a Geometric primitive
/// </summary>
/// <param name="obj">a geometry object of element</param>
/// <param name="transform"></param>
private void AddGeoElement(GeometryObject obj, Transform transform)
{
GeometryElement geometry = obj as GeometryElement;
if (null == geometry)
{
return;
}
//get all geometric primitives contained in the GeometryElement
IEnumerator <GeometryObject> Objects = geometry.GetEnumerator();
AddGeometryObjects(Objects, transform);
}
/// <summary>
/// iterate GeometryObject in GeometryObjectArray and generate data accordingly.
/// </summary>
/// <param name="geoEle">a geometry object of element</param>
private void AddGeometryElement(Autodesk.Revit.DB.GeometryElement geoEle)
{
// get all geometric primitives contained in the Geometry Element
//GeometryObjectArray geoObjArray = geoEle.Objects;
IEnumerator <GeometryObject> Objects = geoEle.GetEnumerator();
// iterate each Geometry Object and generate data accordingly.
//foreach (GeometryObject geoObj in geoObjArray)
while (Objects.MoveNext())
{
GeometryObject geoObj = Objects.Current;
if (geoObj is Curve)
{
AddCurve(geoObj);
}
else if (geoObj is Edge)
{
AddEdge(geoObj);
}
else if (geoObj is Autodesk.Revit.DB.GeometryElement)
{
AddElement(geoObj);
}
else if (geoObj is Face)
{
AddFace(geoObj);
}
else if (geoObj is Autodesk.Revit.DB.GeometryInstance)
{
AddInstance(geoObj);
}
else if (geoObj is Mesh)
{
AddMesh(geoObj);
}
else if (geoObj is Profile)
{
AddProfile(geoObj);
}
else if (geoObj is Solid)
{
AddSolid(geoObj);
}
}
}
/// <summary>
/// get the faces of the mass
/// </summary>
/// <param name="mass">
/// the source mass
/// </param>
/// <returns>
/// the faces of the mass
/// </returns>
private FaceArray GetMassFaceArray(FamilyInstance mass)
{
// Obtain the gemotry information of the mass
Autodesk.Revit.DB.Options opt = m_mydocument.CommandData.Application.Application.Create.NewGeometryOptions();
opt.DetailLevel = ViewDetailLevel.Fine;
opt.ComputeReferences = true;
Autodesk.Revit.DB.GeometryElement geoElement = null;
try
{
geoElement = mass.get_Geometry(opt);
}
catch (System.Exception)
{
return(null);
}
if (null == geoElement)
{
return(null);
}
//GeometryObjectArray objectarray = geoElement.Objects;
//foreach (GeometryObject obj in objectarray)
IEnumerator <GeometryObject> Objects = geoElement.GetEnumerator();
while (Objects.MoveNext())
{
GeometryObject obj = Objects.Current;
Solid solid = obj as Solid;
if (null != solid &&
null != solid.Faces &&
0 != solid.Faces.Size)
{
return(solid.Faces);
}
}
return(null);
}
/// <summary>
/// Get an edge from the form by its endpoints
/// </summary>
/// <param name="form">The form contains the edge</param>
/// <param name="startPoint">Start point of the edge</param>
/// <param name="endPoint">End point of the edge</param>
/// <returns>The edge found</returns>
private Edge GetEdgeByEndPoints(Form form, Autodesk.Revit.DB.XYZ startPoint, Autodesk.Revit.DB.XYZ endPoint)
{
Edge edge = null;
// Get all edges of the form
EdgeArray edges = null;
Options geoOptions = m_revitApp.Create.NewGeometryOptions();
geoOptions.ComputeReferences = true;
Autodesk.Revit.DB.GeometryElement geoElement = form.get_Geometry(geoOptions);
//foreach (GeometryObject geoObject in geoElement.Objects)
IEnumerator <GeometryObject> Objects = geoElement.GetEnumerator();
while (Objects.MoveNext())
{
GeometryObject geoObject = Objects.Current;
Solid solid = geoObject as Solid;
if (null == solid)
{
continue;
}
edges = solid.Edges;
}
// Traverse the edges and look for the edge with the right endpoints
foreach (Edge ed in edges)
{
Autodesk.Revit.DB.XYZ rpPos1 = ed.Evaluate(0);
Autodesk.Revit.DB.XYZ rpPos2 = ed.Evaluate(1);
if ((startPoint.IsAlmostEqualTo(rpPos1) && endPoint.IsAlmostEqualTo(rpPos2)) ||
(startPoint.IsAlmostEqualTo(rpPos2) && endPoint.IsAlmostEqualTo(rpPos1)))
{
edge = ed;
break;
}
}
return(edge);
}
/// <summary>
/// Get edges of element's profile
/// </summary>
/// <param name="elem">Selected element</param>
public List <List <Edge> > GetFaces(Autodesk.Revit.DB.Element elem)
{
List <List <Edge> > faceEdges = new List <List <Edge> >();
Options options = m_appCreator.NewGeometryOptions();
options.DetailLevel = ViewDetailLevel.Medium;
options.ComputeReferences = true;
Autodesk.Revit.DB.GeometryElement geoElem = elem.get_Geometry(options);
//GeometryObjectArray gObjects = geoElem.Objects;
IEnumerator <GeometryObject> Objects = geoElem.GetEnumerator();
//foreach (GeometryObject geo in gObjects)
while (Objects.MoveNext())
{
GeometryObject geo = Objects.Current;
Solid solid = geo as Solid;
if (solid != null)
{
EdgeArray edges = solid.Edges;
FaceArray faces = solid.Faces;
foreach (Face face in faces)
{
EdgeArrayArray edgeArrarr = face.EdgeLoops;
foreach (EdgeArray edgeArr in edgeArrarr)
{
List <Edge> edgesList = new List <Edge>();
foreach (Edge edge in edgeArr)
{
edgesList.Add(edge);
}
faceEdges.Add(edgesList);
}
}
}
}
return(faceEdges);
}
/// <summary>
/// generate data of a Instance
/// </summary>
/// <param name="obj"></param>
/// <param name="transform"></param>
private void AddInstance(GeometryObject obj, Transform transform)
{
GeometryInstance instance = obj as GeometryInstance;
if (null == instance)
{
return;
}
//get a transformation of the affine 3-space
Transform allTransform = AddTransform(transform, instance.Transform);
GeometryElement instanceGeometry = instance.SymbolGeometry;
if (null == instanceGeometry)
{
return;
}
//get all geometric primitives contained in the GeometryElement
//GeometryObjectArray instanceGeometries = instanceGeometry.Objects;
IEnumerator <GeometryObject> Objects = instanceGeometry.GetEnumerator();
AddGeometryObjects(Objects, allTransform);
}
/// <summary>
/// Get all points of the Slab
/// </summary>
/// <returns>points array stores all the points on slab</returns>
public EdgeArray GetFloorEdges()
{
EdgeArray edges = new EdgeArray();
Options options = m_commandData.Application.Application.Create.NewGeometryOptions();
options.DetailLevel = ViewDetailLevel.Medium;
//make sure references to geometric objects are computed.
options.ComputeReferences = true;
Autodesk.Revit.DB.GeometryElement geoElem = m_floor.get_Geometry(options);
//GeometryObjectArray gObjects = geoElem.Objects;
IEnumerator <GeometryObject> Objects = geoElem.GetEnumerator();
//get all the edges in the Geometry object
//foreach (GeometryObject geo in gObjects)
while (Objects.MoveNext())
{
GeometryObject geo = Objects.Current;
Solid solid = geo as Solid;
if (solid != null)
{
FaceArray faces = solid.Faces;
foreach (Face face in faces)
{
EdgeArrayArray edgeArrarr = face.EdgeLoops;
foreach (EdgeArray edgeArr in edgeArrarr)
{
foreach (Edge edge in edgeArr)
{
edges.Append(edge);
}
}
}
}
}
return(edges);
}
/// <summary>
/// Extract the geometry of the given Element.
/// </summary>
/// <param name="elem">Element parameter</param>
/// <returns>Element's geometry</returns>
protected ElementGeometry ExtractGeom(Autodesk.Revit.DB.Element elem)
{
Solid result = null;
Options options = new Options();
options.ComputeReferences = true;
Autodesk.Revit.DB.GeometryElement gElement = elem.get_Geometry(options);
//foreach (GeometryObject gObj in gElement.Objects)
IEnumerator <GeometryObject> Objects = gElement.GetEnumerator();
while (Objects.MoveNext())
{
GeometryObject gObj = Objects.Current;
result = gObj as Solid;
if (result != null && result.Faces.Size > 0)
{
break;
}
}
BoundingBoxXYZ box = elem.get_BoundingBox(null);
return(new ElementGeometry(result, box));
}
/// <summary>
/// Inquire an geometry element to get all face instances
/// </summary>
/// <param name="geoElement">the geometry element</param>
/// <param name="elem">the element, it provides the prefix of face name</param>
/// <returns></returns>
private bool InquireGeometry(GeoElement geoElement, RevitElement elem)
{
if (null == geoElement || null == elem)
{
return(false);
}
//GeometryObjectArray geoArray = null;
IEnumerator <GeometryObject> Objects = geoElement.GetEnumerator();
//if (null != geoElement && null != geoElement.Objects)
if (null != geoElement && Objects.MoveNext())
{
//geoArray = geoElement.Objects;
}
else
{
return(false);
}
Objects.Reset();
//foreach (GeometryObject obj in geoArray)
while (Objects.MoveNext())
{
GeometryObject obj = Objects.Current;
if (obj is GeoInstance)
{
GeoInstance instance = (GeoInstance)obj;
InquireGeometry(instance.SymbolGeometry, elem);
}
else if (!(obj is Solid))
{
// is not Solid instance
continue;
}
// continue when obj is Solid instance
Solid solid = obj as Solid;
if (null == solid)
{
continue;
}
FaceArray faces = solid.Faces;
if (faces.IsEmpty)
{
continue;
}
// get the face name list
String category = String.Empty;
if (null != elem.Category && null != elem.Name)
{
category = elem.Category.Name;
}
int ii = 0;
foreach (Face tempFace in faces)
{
if (tempFace is PlanarFace)
{
m_faceNameList.Add(
String.Format("{0} : {1} ({2})", category, elem.Name, ii));
m_faceList.Add(tempFace);
ii++;
}
}
}
return(true);
}
/// <summary>
/// Get edges of element's profile
/// </summary>
/// <param name="elem">selected element</param>
/// <returns>all the faces in the selected Element</returns>
public override List <List <Edge> > GetFaces(Autodesk.Revit.DB.Element elem)
{
List <List <Edge> > faceEdges = new List <List <Edge> >();
Options options = m_appCreator.NewGeometryOptions();
options.DetailLevel = ViewDetailLevel.Medium;
//make sure references to geometric objects are computed.
options.ComputeReferences = true;
Autodesk.Revit.DB.GeometryElement geoElem = elem.get_Geometry(options);
//GeometryObjectArray gObjects = geoElem.Objects;
IEnumerator <GeometryObject> Objects = geoElem.GetEnumerator();
//get all the edges in the Geometry object
//foreach (GeometryObject geo in gObjects)
while (Objects.MoveNext())
{
GeometryObject geo = Objects.Current;
//if beam doesn't contain opening on it, then we can get edges from instance
//and the points we get should be transformed by instance.Tranceform
if (geo is Autodesk.Revit.DB.GeometryInstance)
{
Autodesk.Revit.DB.GeometryInstance instance = geo as Autodesk.Revit.DB.GeometryInstance;
m_beamTransform = instance.Transform;
Autodesk.Revit.DB.GeometryElement elemGeo = instance.SymbolGeometry;
//GeometryObjectArray objectsGeo = elemGeo.Objects;
IEnumerator <GeometryObject> Objects1 = elemGeo.GetEnumerator();
//foreach (GeometryObject objGeo in objectsGeo)
while (Objects1.MoveNext())
{
GeometryObject objGeo = Objects1.Current;
Solid solid = objGeo as Solid;
if (null != solid)
{
FaceArray faces = solid.Faces;
foreach (Face face in faces)
{
EdgeArrayArray edgeArrarr = face.EdgeLoops;
foreach (EdgeArray edgeArr in edgeArrarr)
{
List <Edge> edgesList = new List <Edge>();
foreach (Edge edge in edgeArr)
{
edgesList.Add(edge);
}
faceEdges.Add(edgesList);
}
}
}
}
}
//if beam contains opening on it, then we can get edges from solid
//and the points we get do not need transform anymore
else if (geo is Autodesk.Revit.DB.Solid)
{
m_haveOpening = true;
Solid solid = geo as Solid;
FaceArray faces = solid.Faces;
foreach (Face face in faces)
{
EdgeArrayArray edgeArrarr = face.EdgeLoops;
foreach (EdgeArray edgeArr in edgeArrarr)
{
List <Edge> edgesList = new List <Edge>();
foreach (Edge edge in edgeArr)
{
edgesList.Add(edge);
}
faceEdges.Add(edgesList);
}
}
}
}
return(faceEdges);
}
/// <summary>
/// constructor
/// </summary>
/// <param name="element">The host object, must be family instance</param>
public GeometrySupport(FamilyInstance element)
{
// 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 || 0 == geoElement.Objects.Size)
if (null == geoElement || !Objects.MoveNext())
{
throw new Exception("Can't get the geometry of selected element.");
}
SweptProfile swProfile = element.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));
m_drivingLength = m_drivingVector.GetLength();
}
//get the geometry object
//foreach (GeometryObject geoObject in geoElement.Objects)
Objects.Reset();
while (Objects.MoveNext())
{
GeometryObject geoObject = Objects.Current;
//get the geometry instance which contains 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 works for rectangle beam or column.");
}
}
/// <summary>
/// Get a floor's profile.
/// </summary>
/// <param name="floor">The floor whose profile you want to get.</param>
/// <returns>The profile of the floor.</returns>
private CurveArray GetFloorProfile(Floor floor)
{
CurveArray floorProfile = new CurveArray();
// Structural slab's profile can be found in it's analytical element.
Document document = floor.Document;
AnalyticalPanel analyticalModel = null;
AnalyticalToPhysicalAssociationManager relManager = AnalyticalToPhysicalAssociationManager.GetAnalyticalToPhysicalAssociationManager(document);
if (relManager != null)
{
ElementId associatedElementId = relManager.GetAssociatedElementId(floor.Id);
if (associatedElementId != ElementId.InvalidElementId)
{
Element associatedElement = document.GetElement(associatedElementId);
if (associatedElement != null && associatedElement is AnalyticalPanel)
{
analyticalModel = associatedElement as AnalyticalPanel;
}
}
}
if (null != analyticalModel)
{
IList <Curve> curveList = analyticalModel.GetOuterContour().ToList();
for (int i = 0; i < curveList.Count; i++)
{
floorProfile.Append(curveList[i]);
}
return(floorProfile);
}
// Nonstructural floor's profile can be formed through it's Geometry.
Options aOptions = m_revit.Application.Create.NewGeometryOptions();
Autodesk.Revit.DB.GeometryElement aElementOfGeometry = floor.get_Geometry(aOptions);
//GeometryObjectArray geometryObjects = aElementOfGeometry.Objects;
IEnumerator <GeometryObject> Objects = aElementOfGeometry.GetEnumerator();
//foreach (GeometryObject o in geometryObjects)
while (Objects.MoveNext())
{
GeometryObject o = Objects.Current;
Solid solid = o as Solid;
if (null == solid)
{
continue;
}
// Form the floor's profile through solid's edges.
EdgeArray edges = solid.Edges;
for (int i = 0; i < (edges.Size) / 3; i++)
{
Edge edge = edges.get_Item(i);
List <XYZ> xyzArray = edge.Tessellate() as List <XYZ>; // A set of points.
for (int j = 0; j < (xyzArray.Count - 1); j++)
{
Autodesk.Revit.DB.XYZ startPoint = xyzArray[j];
Autodesk.Revit.DB.XYZ endPoint = xyzArray[j + 1];
Line line = Line.CreateBound(startPoint, endPoint);
floorProfile.Append(line);
}
}
}
return(floorProfile);
}