/// <summary>
/// Creates an IFC name from export state.
/// </summary>
/// <param name="exporterIFC">
/// The ExporterIFC object.
/// </param>
/// <param name="index">
/// The index of the name. If it is larger than 0, it is appended to the name.
/// </param>
/// <returns>
/// The IFCLabel contains the name string value.
/// </returns>
public static IFCLabel CreateIFCName(ExporterIFC exporterIFC, int index)
{
IFCLabel origName = exporterIFC.GetNameFromExportState();
string elemName = origName.String;
if (index >= 0)
{
elemName += ":";
elemName += index.ToString();
}
return IFCLabel.Create(elemName);
}
/// <summary>
/// Export Curtain Walls and Roofs.
/// </summary>
/// <param name="exporterIFC">
/// The ExporterIFC object.
/// </param>
/// <param name="allSubElements">
/// Collection of elements contained in the host curtain element.
/// </param>
/// <param name="hostElement">
/// The host element to be exported.
/// </param>
/// <param name="productWrapper">
/// The IFCProductWrapper.
/// </param>
public static void ExportBase(ExporterIFC exporterIFC, ElementSet allSubElements,
HostObject hostElement, IFCProductWrapper wrapper)
{
IFCFile file = exporterIFC.GetFile();
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
IFCPlacementSetter setter = null;
IFCProductWrapper curtainWallSubWrapper = null;
try
{
IFCAnyHandle localPlacement = IFCAnyHandle.Create();
bool canExportCurtainWallAsContainer = CanExportCurtainWallAsContainer(allSubElements);
IFCAnyHandle rep = IFCAnyHandle.Create();
if (canExportCurtainWallAsContainer)
{
curtainWallSubWrapper = IFCProductWrapper.Create(exporterIFC, true);
setter = IFCPlacementSetter.Create(exporterIFC, hostElement);
localPlacement = setter.GetPlacement();
rep = ExportCurtainObjectCommonAsOneBRep(allSubElements, hostElement, exporterIFC, setter, localPlacement);
}
else
{
ExportCurtainObjectCommonAsContainer(allSubElements, hostElement, exporterIFC, out curtainWallSubWrapper);
// This has to go LAST. Why? Because otherwise we apply the level transform twice -- once in the familyTrf, once here.
// This will be used just to put the CurtainWall on the right level.
setter = IFCPlacementSetter.Create(exporterIFC, hostElement);
localPlacement = setter.GetPlacement();
}
if (!rep.HasValue)
return;
IFCLabel objectType = NamingUtil.CreateIFCObjectName(exporterIFC, hostElement);
IFCExtrusionCreationData extraParams = new IFCExtrusionCreationData();
extraParams.SetLocalPlacement(localPlacement);
IFCAnyHandle prodRepHnd = IFCAnyHandle.Create();
IFCAnyHandle elemHnd = IFCAnyHandle.Create();
IFCLabel elemGUID = IFCLabel.CreateGUID(hostElement);
IFCLabel elemName = NamingUtil.GetNameOverride(hostElement, exporterIFC.GetNameFromExportState());
IFCLabel elemDesc = NamingUtil.GetDescriptionOverride(hostElement, IFCLabel.Create());
IFCLabel elemType = NamingUtil.GetObjectTypeOverride(hostElement, objectType);
IFCLabel elemId = NamingUtil.CreateIFCElementId(hostElement);
if (hostElement is Wall || hostElement is CurtainSystem)
{
elemHnd = file.CreateCurtainWall(elemGUID, ownerHistory, elemName, elemDesc, elemType, localPlacement, elemId, prodRepHnd);
}
else if (hostElement is RoofBase)
{
string ifcEnumType = CategoryUtil.GetIFCEnumTypeName(exporterIFC, hostElement);
elemHnd = file.CreateRoof(elemGUID, ownerHistory, elemName, elemDesc, elemType, localPlacement, elemId, ifcEnumType, prodRepHnd);
}
else
{
return;
}
if (!elemHnd.HasValue)
return;
wrapper.AddElement(elemHnd, setter, extraParams, true);
OpeningUtil.CreateOpeningsIfNecessary(elemHnd, hostElement, extraParams, exporterIFC, localPlacement, setter, wrapper);
ExporterIFCUtils.CreateCurtainWallPropertySet(exporterIFC, hostElement, wrapper);
ICollection<IFCAnyHandle> relatedElementIds = curtainWallSubWrapper.GetAllObjects();
if (relatedElementIds.Count > 0)
{
IFCLabel guid = IFCLabel.CreateGUID();
IFCLabel nameOpt = IFCLabel.Create();
IFCLabel descOpt = IFCLabel.Create();
file.CreateRelAggregates(guid, ownerHistory, nameOpt, descOpt, elemHnd, relatedElementIds);
}
exporterIFC.RegisterSpaceBoundingElementHandle(elemHnd, hostElement.Id, ElementId.InvalidElementId);
}
finally
{
if (setter != null)
setter.Dispose();
if (curtainWallSubWrapper != null)
curtainWallSubWrapper.Dispose();
}
}
