/***************************************************/
/**** Public methods ****/
/***************************************************/
public static string Name(this SpatialElement spatialElement)
{
if (spatialElement == null)
{
return(null);
}
string name = null;
string number = spatialElement.Number;
Parameter parameter = spatialElement.get_Parameter(BuiltInParameter.ROOM_NAME);
if (parameter != null)
{
name = parameter.AsString();
}
string result = null;
if (!string.IsNullOrEmpty(name))
{
result = name;
}
if (!string.IsNullOrEmpty(number))
{
if (string.IsNullOrEmpty(result))
{
result = number;
}
else
{
result = string.Format("{0} {1}", number, result);
}
}
return(result);
}
public static Space ToSAM(this SpatialElement spatialElement, ConvertSettings convertSettings)
{
if (spatialElement == null)
{
return(null);
}
Point3D point3D = null;
Space result = convertSettings?.GetObject <Space>(spatialElement.Id);
if (result != null)
{
return(result);
}
if (spatialElement.Location != null)
{
point3D = ((LocationPoint)spatialElement.Location).Point.ToSAM();
}
string name = Core.Revit.Query.Name(spatialElement);
if (string.IsNullOrWhiteSpace(name))
{
name = spatialElement.Name;
}
result = new Space(name, point3D);
result.UpdateParameterSets(spatialElement, ActiveSetting.Setting.GetValue <Core.TypeMap>(Core.Revit.ActiveSetting.Name.ParameterMap));
result.InternalCondition = ToSAM_InternalCondition(spatialElement, convertSettings);
ElementId elementId_Level = spatialElement.LevelId;
if (elementId_Level != null && elementId_Level != ElementId.InvalidElementId)
{
Level level = spatialElement.Document?.GetElement(elementId_Level) as Level;
if (level != null)
{
result.SetValue(SpaceParameter.LevelName, level.Name);
}
}
double area;
if (!result.TryGetValue(SpaceParameter.Area, out area) || double.IsNaN(area) || area == 0)
{
#if Revit2017 || Revit2018 || Revit2019 || Revit2020
result.SetValue(SpaceParameter.Area, UnitUtils.ConvertFromInternalUnits(spatialElement.Area, DisplayUnitType.DUT_SQUARE_METERS));
#else
result.SetValue(SpaceParameter.Area, UnitUtils.ConvertFromInternalUnits(spatialElement.Area, UnitTypeId.SquareMeters));
#endif
}
double volume;
if (!result.TryGetValue(SpaceParameter.Volume, out volume) || double.IsNaN(volume) || volume == 0)
{
Parameter parameter = spatialElement.get_Parameter(BuiltInParameter.ROOM_VOLUME);
if (parameter != null && parameter.HasValue)
{
#if Revit2017 || Revit2018 || Revit2019 || Revit2020
result.SetValue(SpaceParameter.Volume, UnitUtils.ConvertFromInternalUnits(parameter.AsDouble(), DisplayUnitType.DUT_CUBIC_METERS));
#else
result.SetValue(SpaceParameter.Volume, UnitUtils.ConvertFromInternalUnits(parameter.AsDouble(), UnitTypeId.CubicMeters));
#endif
}
}
convertSettings?.Add(spatialElement.Id, result);
return(result);
}
/// <summary>
/// Create IFC room/space/area item, not include boundaries.
/// </summary>
/// <param name="exporterIFC">
/// The ExporterIFC object.
/// </param>
/// <param name="spatialElement">
/// The spatial element.
/// </param>
/// <param name="productWrapper">
/// The IFCProductWrapper.
/// </param>
/// <param name="setter">
/// The IFCPlacementSetter.
/// </param>
/// <returns>
/// True if created successfully, false otherwise.
/// </returns>
static void CreateIFCSpace(ExporterIFC exporterIFC, SpatialElement spatialElement, IFCProductWrapper productWrapper, IFCPlacementSetter setter)
{
Autodesk.Revit.DB.Document document = spatialElement.Document;
ElementId levelId = spatialElement.Level != null ? spatialElement.Level.Id : ElementId.InvalidElementId;
double scale = exporterIFC.LinearScale;
ElementId catId = spatialElement.Category != null ? spatialElement.Category.Id : ElementId.InvalidElementId;
double dArea = 0.0;
Parameter param = spatialElement.get_Parameter(BuiltInParameter.ROOM_AREA);
if (param != null)
{
dArea = param.AsDouble();
dArea *= (scale * scale);
}
SpatialElementBoundaryOptions options = ExporterIFCUtils.GetSpatialElementBoundaryOptions(exporterIFC, spatialElement);
IList<CurveLoop> curveLoops = ExporterIFCUtils.GetRoomBoundaryAsCurveLoopArray(spatialElement, options, true);
IFCLevelInfo levelInfo = exporterIFC.GetLevelInfo(levelId);
string strSpaceNumber = null;
string strSpaceName = null;
string strSpaceDesc = null;
bool isArea = spatialElement is Area;
if (!isArea)
{
Parameter paramRoomNum = spatialElement.get_Parameter(BuiltInParameter.ROOM_NUMBER);
if (paramRoomNum != null)
{
strSpaceNumber = paramRoomNum.AsString();
}
Parameter paramRoomName = spatialElement.get_Parameter(BuiltInParameter.ROOM_NAME);
if (paramRoomName != null)
{
strSpaceName = paramRoomName.AsString();
}
Parameter paramRoomComm = spatialElement.get_Parameter(BuiltInParameter.ALL_MODEL_INSTANCE_COMMENTS);
if (paramRoomComm != null)
{
strSpaceDesc = paramRoomComm.AsString();
}
}
else
{
Element level = document.get_Element(levelId);
if (level != null)
{
strSpaceNumber = level.Name + " GSA Design Gross Area";
}
}
//assign empty string if it is null
if (strSpaceNumber == null) strSpaceNumber = "";
if (strSpaceName == null) strSpaceName = "";
if (strSpaceDesc == null) strSpaceDesc = "";
IFCLabel name = IFCLabel.Create(strSpaceNumber);
IFCLabel longName = IFCLabel.Create(strSpaceName);
IFCLabel desc = IFCLabel.Create(strSpaceDesc);
IFCFile file = exporterIFC.GetFile();
IFCAnyHandle localPlacement = setter.GetPlacement();
ElementType elemType = document.get_Element(spatialElement.GetTypeId()) as ElementType;
bool isObjectExternal = CategoryUtil.IsElementExternal(spatialElement);
IFCMeasureValue elevationWithFlooring = IFCMeasureValue.Create();
double roomHeight = 0.0;
roomHeight = GetHeight(spatialElement, scale, levelInfo);
double bottomOffset = 0.0;
Parameter paramBottomOffset = spatialElement.get_Parameter(BuiltInParameter.ROOM_LOWER_OFFSET);
bottomOffset = paramBottomOffset != null ? paramBottomOffset.AsDouble() : 0.0;
XYZ zDir = new XYZ(0, 0, 1);
XYZ orig = new XYZ(0, 0, levelInfo.Elevation + bottomOffset);
Plane plane = new Plane(zDir, orig); // room calculated as level offset.
GeometryElement geomElem = null;
if (spatialElement is Autodesk.Revit.DB.Architecture.Room)
{
Autodesk.Revit.DB.Architecture.Room room = spatialElement as Autodesk.Revit.DB.Architecture.Room;
geomElem = room.ClosedShell;
}
else if (spatialElement is Autodesk.Revit.DB.Mechanical.Space)
{
Autodesk.Revit.DB.Mechanical.Space space = spatialElement as Autodesk.Revit.DB.Mechanical.Space;
geomElem = space.ClosedShell;
}
IFCAnyHandle spaceHnd = null;
IFCExtrusionCreationData extraParams = new IFCExtrusionCreationData();
extraParams.SetLocalPlacement(localPlacement);
extraParams.PossibleExtrusionAxes = IFCExtrusionAxes.TryZ;
using (IFCTransaction tr2 = new IFCTransaction(file))
{
IFCAnyHandle repHnd = null;
if (!(exporterIFC.ExportAs2x2 || Use2DRoomBoundaryForRoomVolumeCalculation()) && geomElem != null)
{
IFCSolidMeshGeometryInfo solidMeshInfo = ExporterIFCUtils.GetSolidMeshGeometry(exporterIFC, geomElem, Transform.Identity);
IList<Solid> solids = solidMeshInfo.GetSolids();
IList<Mesh> polyMeshes = solidMeshInfo.GetMeshes();
bool tryToExportAsExtrusion = true;
if (solids.Count != 1 || polyMeshes.Count != 0)
tryToExportAsExtrusion = false;
IList<GeometryObject> geomObjects = new List<GeometryObject>();
foreach (Solid solid in solids)
geomObjects.Add(solid);
IFCAnyHandle shapeRep = BodyExporter.ExportBody(spatialElement.Document.Application, exporterIFC, catId, geomObjects, tryToExportAsExtrusion, extraParams);
IList<IFCAnyHandle> shapeReps = new List<IFCAnyHandle>();
shapeReps.Add(shapeRep);
repHnd = file.CreateProductDefinitionShape(IFCLabel.Create(), IFCLabel.Create(), shapeReps);
}
else
{
IFCAnyHandle shapeRep = file.CreateExtrudedSolidFromCurveLoop(exporterIFC, catId, curveLoops, plane, zDir, roomHeight); //pScaledOrig?
HashSet<IFCAnyHandle> bodyItems = new HashSet<IFCAnyHandle>();
bodyItems.Add(shapeRep);
shapeRep = RepresentationUtil.CreateSweptSolidRep(exporterIFC, catId, exporterIFC.Get3DContextHandle(), bodyItems, IFCAnyHandle.Create());
IList<IFCAnyHandle> shapeReps = new List<IFCAnyHandle>();
shapeReps.Add(shapeRep);
repHnd = file.CreateProductDefinitionShape(IFCLabel.Create(), IFCLabel.Create(), shapeReps);
}
extraParams.ScaledHeight = roomHeight;
extraParams.ScaledArea = dArea;
spaceHnd = file.CreateSpace(IFCLabel.CreateGUID(spatialElement),
exporterIFC.GetOwnerHistoryHandle(),
NamingUtil.GetNameOverride(spatialElement, name),
NamingUtil.GetDescriptionOverride(spatialElement, desc),
NamingUtil.GetObjectTypeOverride(spatialElement, IFCLabel.Create()),
extraParams.GetLocalPlacement(), repHnd, longName, IFCElementComposition.Element
, isObjectExternal, elevationWithFlooring);
tr2.Commit();
}
productWrapper.AddSpace(spaceHnd, levelInfo, extraParams, true);
// Save room handle for later use/relationships
exporterIFC.RegisterSpatialElementHandle(spatialElement.Id, spaceHnd);
if (!MathUtil.IsAlmostZero(dArea) && !(exporterIFC.FileVersion == IFCVersion.IFCCOBIE))
{
ExporterIFCUtils.CreatePreCOBIEGSAQuantities(exporterIFC, spaceHnd, "GSA Space Areas", (isArea ? "GSA Design Gross Area" : "GSA BIM Area"), dArea);
}
// Export BaseQuantities for RoomElem
if (exporterIFC.ExportBaseQuantities && !(exporterIFC.FileVersion == IFCVersion.IFCCOBIE))
{
ExporterIFCUtils.CreateNonCOBIERoomQuantities(exporterIFC, spaceHnd, spatialElement, dArea, roomHeight);
}
}
/// <summary>
/// Get the height of a spatial element.
/// </summary>
/// <param name="spatialElement">
/// The spatial element.
/// </param>
/// <param name="scale">
/// The scale value.
/// </param>
/// <param name="levelInfo">
/// The level info.
/// </param>
/// <returns>
/// The height.
/// </returns>
static double GetHeight(SpatialElement spatialElement, double scale, IFCLevelInfo levelInfo)
{
Document document = spatialElement.Document;
double roomHeight = 0.0;
double bottomOffset = 0.0;
ElementId bottomLevelId = spatialElement.Level.Id;
Parameter paramTopLevelId = spatialElement.get_Parameter(BuiltInParameter.ROOM_UPPER_LEVEL);
ElementId topLevelId = paramTopLevelId != null ? paramTopLevelId.AsElementId() : ElementId.InvalidElementId;
Parameter paramTopOffset = spatialElement.get_Parameter(BuiltInParameter.ROOM_UPPER_OFFSET);
double topOffset = paramTopOffset != null ? paramTopOffset.AsDouble() : 0.0;
Parameter paramBottomOffset = spatialElement.get_Parameter(BuiltInParameter.ROOM_LOWER_OFFSET);
bottomOffset = paramBottomOffset != null ? paramBottomOffset.AsDouble() : 0.0;
Level bottomLevel = document.get_Element(bottomLevelId) as Level;
Level topLevel =
(bottomLevelId == topLevelId) ? bottomLevel : document.get_Element(topLevelId) as Level;
if (bottomLevel != null && topLevel != null)
{
roomHeight = (topLevel.Elevation - bottomLevel.Elevation) + (topOffset - bottomOffset);
roomHeight *= scale;
}
if (MathUtil.IsAlmostZero(roomHeight))
{
roomHeight = levelInfo.DistanceToNextLevel * scale;
}
// For area spaces, we assign a dummy height (1'), as we are not allowed to export IfcSpaces without a volumetric representation.
if (MathUtil.IsAlmostZero(roomHeight) && spatialElement is Area)
{
roomHeight = 1.0;
}
return roomHeight;
}
/// <summary>
/// Creates IFC room/space/area item, not include boundaries.
/// </summary>
/// <param name="exporterIFC">
/// The ExporterIFC object.
/// </param>
/// <param name="spatialElement">
/// The spatial element.
/// </param>
/// <param name="productWrapper">
/// The IFCProductWrapper.
/// </param>
/// <param name="setter">
/// The IFCPlacementSetter.
/// </param>
/// <returns>
/// True if created successfully, false otherwise.
/// </returns>
static bool CreateIFCSpace(ExporterIFC exporterIFC, SpatialElement spatialElement, IFCProductWrapper productWrapper, IFCPlacementSetter setter)
{
IList<CurveLoop> curveLoops = null;
try
{
SpatialElementBoundaryOptions options = ExporterIFCUtils.GetSpatialElementBoundaryOptions(exporterIFC, spatialElement);
curveLoops = ExporterIFCUtils.GetRoomBoundaryAsCurveLoopArray(spatialElement, options, true);
}
catch (Autodesk.Revit.Exceptions.InvalidOperationException)
{
//Some spatial elements are not placed that have no boundary loops. Don't export them.
return false;
}
Autodesk.Revit.DB.Document document = spatialElement.Document;
ElementId levelId = spatialElement.Level != null ? spatialElement.Level.Id : ElementId.InvalidElementId;
double scale = exporterIFC.LinearScale;
ElementId catId = spatialElement.Category != null ? spatialElement.Category.Id : ElementId.InvalidElementId;
double dArea = 0.0;
Parameter param = spatialElement.get_Parameter(BuiltInParameter.ROOM_AREA);
if (param != null)
{
dArea = param.AsDouble();
dArea *= (scale * scale);
}
IFCLevelInfo levelInfo = exporterIFC.GetLevelInfo(levelId);
string strSpaceNumber = null;
string strSpaceName = null;
string strSpaceDesc = null;
bool isArea = spatialElement is Area;
if (!isArea)
{
Parameter paramRoomNum = spatialElement.get_Parameter(BuiltInParameter.ROOM_NUMBER);
if (paramRoomNum != null)
{
strSpaceNumber = paramRoomNum.AsString();
}
Parameter paramRoomName = spatialElement.get_Parameter(BuiltInParameter.ROOM_NAME);
if (paramRoomName != null)
{
strSpaceName = paramRoomName.AsString();
}
Parameter paramRoomComm = spatialElement.get_Parameter(BuiltInParameter.ALL_MODEL_INSTANCE_COMMENTS);
if (paramRoomComm != null)
{
strSpaceDesc = paramRoomComm.AsString();
}
}
else
{
Element level = document.GetElement(levelId);
if (level != null)
{
strSpaceNumber = level.Name + " GSA Design Gross Area";
}
}
string name = strSpaceNumber;
string longName = strSpaceName;
string desc = strSpaceDesc;
IFCFile file = exporterIFC.GetFile();
IFCAnyHandle localPlacement = setter.GetPlacement();
ElementType elemType = document.GetElement(spatialElement.GetTypeId()) as ElementType;
IFCInternalOrExternal internalOrExternal = CategoryUtil.IsElementExternal(spatialElement) ? IFCInternalOrExternal.External : IFCInternalOrExternal.Internal;
double roomHeight = 0.0;
roomHeight = GetHeight(spatialElement, scale, levelId, levelInfo);
double bottomOffset = 0.0;
Parameter paramBottomOffset = spatialElement.get_Parameter(BuiltInParameter.ROOM_LOWER_OFFSET);
bottomOffset = paramBottomOffset != null ? paramBottomOffset.AsDouble() : 0.0;
XYZ zDir = new XYZ(0, 0, 1);
XYZ orig = new XYZ(0, 0, levelInfo.Elevation + bottomOffset);
Plane plane = new Plane(zDir, orig); // room calculated as level offset.
GeometryElement geomElem = null;
if (spatialElement is Autodesk.Revit.DB.Architecture.Room)
{
Autodesk.Revit.DB.Architecture.Room room = spatialElement as Autodesk.Revit.DB.Architecture.Room;
geomElem = room.ClosedShell;
}
else if (spatialElement is Autodesk.Revit.DB.Mechanical.Space)
{
Autodesk.Revit.DB.Mechanical.Space space = spatialElement as Autodesk.Revit.DB.Mechanical.Space;
geomElem = space.ClosedShell;
}
IFCAnyHandle spaceHnd = null;
using (IFCExtrusionCreationData extraParams = new IFCExtrusionCreationData())
{
extraParams.SetLocalPlacement(localPlacement);
extraParams.PossibleExtrusionAxes = IFCExtrusionAxes.TryZ;
using (IFCTransaction transaction2 = new IFCTransaction(file))
{
IFCAnyHandle repHnd = null;
if (!ExporterCacheManager.ExportOptionsCache.Use2DRoomBoundaryForRoomVolumeCreation && geomElem != null)
{
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
bodyExporterOptions.TessellationLevel = BodyExporterOptions.BodyTessellationLevel.Coarse;
repHnd = RepresentationUtil.CreateBRepProductDefinitionShape(spatialElement.Document.Application, exporterIFC, spatialElement,
catId, geomElem, bodyExporterOptions, null, extraParams);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(repHnd))
extraParams.ClearOpenings();
}
else
{
IFCAnyHandle shapeRep = ExtrusionExporter.CreateExtrudedSolidFromCurveLoop(exporterIFC, null, curveLoops, plane, zDir, roomHeight);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(shapeRep))
return false;
IFCAnyHandle styledItemHnd = BodyExporter.CreateSurfaceStyleForRepItem(exporterIFC, document,
shapeRep, ElementId.InvalidElementId);
HashSet<IFCAnyHandle> bodyItems = new HashSet<IFCAnyHandle>();
bodyItems.Add(shapeRep);
shapeRep = RepresentationUtil.CreateSweptSolidRep(exporterIFC, spatialElement, catId, exporterIFC.Get3DContextHandle("Body"), bodyItems, null);
IList<IFCAnyHandle> shapeReps = new List<IFCAnyHandle>();
shapeReps.Add(shapeRep);
repHnd = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps);
}
extraParams.ScaledHeight = roomHeight;
extraParams.ScaledArea = dArea;
spaceHnd = IFCInstanceExporter.CreateSpace(file, ExporterIFCUtils.CreateGUID(spatialElement),
exporterIFC.GetOwnerHistoryHandle(),
NamingUtil.GetNameOverride(spatialElement, name),
NamingUtil.GetDescriptionOverride(spatialElement, desc),
NamingUtil.GetObjectTypeOverride(spatialElement, null),
extraParams.GetLocalPlacement(), repHnd, longName, Toolkit.IFCElementComposition.Element
, internalOrExternal, null);
transaction2.Commit();
}
productWrapper.AddSpace(spaceHnd, levelInfo, extraParams, true);
}
// Save room handle for later use/relationships
ExporterCacheManager.SpatialElementHandleCache.Register(spatialElement.Id, spaceHnd);
exporterIFC.RegisterSpatialElementHandle(spatialElement.Id, spaceHnd);
if (!MathUtil.IsAlmostZero(dArea) && !(ExporterCacheManager.ExportOptionsCache.FileVersion == IFCVersion.IFCCOBIE))
{
ExporterIFCUtils.CreatePreCOBIEGSAQuantities(exporterIFC, spaceHnd, "GSA Space Areas", (isArea ? "GSA Design Gross Area" : "GSA BIM Area"), dArea);
}
// Export BaseQuantities for SpatialElement
if (ExporterCacheManager.ExportOptionsCache.ExportBaseQuantities && !(ExporterCacheManager.ExportOptionsCache.FileVersion == IFCVersion.IFCCOBIE))
{
ExporterIFCUtils.CreateNonCOBIERoomQuantities(exporterIFC, spaceHnd, spatialElement, dArea, roomHeight);
}
// Export Classifications for SpatialElement for GSA/COBIE.
if (ExporterCacheManager.ExportOptionsCache.FileVersion == IFCVersion.IFCCOBIE)
{
CreateCOBIESpaceClassifications(exporterIFC, file, spaceHnd, document.ProjectInformation, spatialElement);
}
return true;
}