/// <summary>
/// Base implementation to export IFC site object.
/// </summary>
/// <param name="exporterIFC">
/// The ExporterIFC object.
/// </param>
/// <param name="document">
/// The Revit document.
/// </param>
/// <param name="element">
/// The element.
/// </param>
/// <param name="geometryElement">
/// The geometry element.
/// </param>
/// <param name="productWrapper">
/// The IFCProductWrapper.
/// </param>
private static void ExportSiteBase(ExporterIFC exporterIFC, Document document, Element element, GeometryElement geometryElement, IFCProductWrapper productWrapper)
{
IFCAnyHandle siteHandle = exporterIFC.GetSite();
int numSiteElements = (!IFCAnyHandleUtil.IsNullOrHasNoValue(siteHandle) ? 1 : 0);
if (element == null && (numSiteElements != 0))
return;
Document doc = document;
if (doc == null)
{
if (element != null)
doc = element.Document;
else
throw new ArgumentException("Both document and element are null.");
}
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
IFCAnyHandle siteRepresentation = null;
if (element != null)
{
// It would be possible that they actually represent several different sites with different buildings,
// but until we have a concept of a building in Revit, we have to assume 0-1 sites, 1 building.
bool appendedToSite = false;
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(siteHandle))
{
IList<IFCAnyHandle> representations = IFCAnyHandleUtil.GetProductRepresentations(siteHandle);
if (representations.Count > 0)
{
IFCAnyHandle bodyRep = representations[0];
IFCAnyHandle boundaryRep = null;
if (representations.Count > 1)
boundaryRep = representations[1];
siteRepresentation = RepresentationUtil.CreateSurfaceProductDefinitionShape(exporterIFC, element, geometryElement, true, true, ref bodyRep, ref boundaryRep);
appendedToSite = true;
}
}
if (!appendedToSite)
{
siteRepresentation = RepresentationUtil.CreateSurfaceProductDefinitionShape(exporterIFC, element, geometryElement, true, true);
}
}
List<int> latitude = new List<int>();
List<int> longitude = new List<int>();
ProjectLocation projLocation = doc.ActiveProjectLocation;
IFCAnyHandle relativePlacement = null;
double elevation = 0.0;
if (projLocation != null)
{
double latitudeInDeg = projLocation.SiteLocation.Latitude * 180 / Math.PI;
double longitudeInDeg = projLocation.SiteLocation.Longitude * 180 / Math.PI;
int latDeg = ((int)latitudeInDeg); latitudeInDeg -= latDeg; latitudeInDeg *= 60;
int latMin = ((int)latitudeInDeg); latitudeInDeg -= latMin; latitudeInDeg *= 60;
int latSec = ((int)latitudeInDeg); latitudeInDeg -= latSec; latitudeInDeg *= 1000000;
int latFracSec = ((int)latitudeInDeg);
latitude.Add(latDeg);
latitude.Add(latMin);
latitude.Add(latSec);
if (!exporterIFC.ExportAs2x2)
latitude.Add(latFracSec);
int longDeg = ((int)longitudeInDeg); longitudeInDeg -= longDeg; longitudeInDeg *= 60;
int longMin = ((int)longitudeInDeg); longitudeInDeg -= longMin; longitudeInDeg *= 60;
int longSec = ((int)longitudeInDeg); longitudeInDeg -= longSec; longitudeInDeg *= 1000000;
int longFracSec = ((int)longitudeInDeg);
longitude.Add(longDeg);
longitude.Add(longMin);
longitude.Add(longSec);
if (!exporterIFC.ExportAs2x2)
longitude.Add(longFracSec);
Transform siteSharedCoordinatesTrf = projLocation.GetTransform().Inverse;
if (!siteSharedCoordinatesTrf.IsIdentity)
{
XYZ orig = siteSharedCoordinatesTrf.Origin;
orig = orig.Multiply(exporterIFC.LinearScale);
relativePlacement = ExporterUtil.CreateAxis2Placement3D(file, orig, siteSharedCoordinatesTrf.BasisZ, siteSharedCoordinatesTrf.BasisX);
}
}
// Get elevation for site.
elevation = -LevelUtil.GetReferenceHeightForRelativeElevation(doc) * exporterIFC.LinearScale;
if (IFCAnyHandleUtil.IsNullOrHasNoValue(relativePlacement))
relativePlacement = ExporterUtil.CreateAxis2Placement3D(file);
IFCAnyHandle localPlacement = IFCInstanceExporter.CreateLocalPlacement(file, null, relativePlacement);
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string objectType = NamingUtil.CreateIFCObjectName(exporterIFC, element);
if (element != null)
{
if (IFCAnyHandleUtil.IsNullOrHasNoValue(siteHandle))
{
string instanceGUID = ExporterIFCUtils.CreateGUID(element);
string origInstanceName = exporterIFC.GetName();
string instanceName = NamingUtil.GetNameOverride(element, origInstanceName);
string instanceDescription = NamingUtil.GetDescriptionOverride(element, null);
string instanceObjectType = NamingUtil.GetObjectTypeOverride(element, objectType);
string instanceElemId = NamingUtil.CreateIFCElementId(element);
siteHandle = IFCInstanceExporter.CreateSite(file, instanceGUID, ownerHistory, instanceName, instanceDescription, instanceObjectType, localPlacement,
siteRepresentation, null, Toolkit.IFCElementComposition.Element, latitude, longitude, elevation, null, null);
}
}
else
{
// don't bother if we have nothing in the site whatsoever.
if ((latitude.Count == 0 || longitude.Count == 0) && IFCAnyHandleUtil.IsNullOrHasNoValue(relativePlacement))
return;
string defaultSiteName = "Default";
siteHandle = IFCInstanceExporter.CreateSite(file, ExporterIFCUtils.CreateProjectLevelGUID(doc, IFCProjectLevelGUIDType.Site), ownerHistory, defaultSiteName, null, objectType, localPlacement,
null, null, Toolkit.IFCElementComposition.Element, latitude, longitude, elevation, null, null);
}
productWrapper.AddSite(siteHandle);
exporterIFC.SetSite(siteHandle);
tr.Commit();
}
}
/// <summary>
/// Adds a site (IfcObject) handle to associate with the IfcProduct in this wrapper.
/// </summary>
/// <param name="element">The element.</param>
/// <param name="handle">The site handle.</param>
public void AddSite(Element element, IFCAnyHandle handle)
{
RegisterHandleWithElement(element, handle);
m_InternalWrapper.AddSite(handle);
}
/// <summary>
/// Base implementation to export IFC site object.
/// </summary>
/// <param name="exporterIFC">
/// The ExporterIFC object.
/// </param>
/// <param name="document">
/// The Revit document.
/// </param>
/// <param name="element">
/// The element.
/// </param>
/// <param name="geometryElement">
/// The geometry element.
/// </param>
/// <param name="productWrapper">
/// The IFCProductWrapper.
/// </param>
private static void ExportSiteBase(ExporterIFC exporterIFC, Document document, Element element, GeometryElement geometryElement, IFCProductWrapper productWrapper)
{
IFCAnyHandle siteHandle = exporterIFC.GetSite();
int numSiteElements = (!IFCAnyHandleUtil.IsNullOrHasNoValue(siteHandle) ? 1 : 0);
if (element == null && (numSiteElements != 0))
{
return;
}
Document doc = document;
if (doc == null)
{
if (element != null)
{
doc = element.Document;
}
else
{
throw new ArgumentException("Both document and element are null.");
}
}
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
IFCAnyHandle siteRepresentation = null;
if (element != null)
{
// It would be possible that they actually represent several different sites with different buildings,
// but until we have a concept of a building in Revit, we have to assume 0-1 sites, 1 building.
bool appendedToSite = false;
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(siteHandle))
{
IList <IFCAnyHandle> representations = IFCAnyHandleUtil.GetProductRepresentations(siteHandle);
if (representations.Count > 0)
{
IFCAnyHandle bodyRep = representations[0];
IFCAnyHandle boundaryRep = null;
if (representations.Count > 1)
{
boundaryRep = representations[1];
}
siteRepresentation = RepresentationUtil.CreateSurfaceProductDefinitionShape(exporterIFC, element, geometryElement, true, true, ref bodyRep, ref boundaryRep);
appendedToSite = true;
}
}
if (!appendedToSite)
{
siteRepresentation = RepresentationUtil.CreateSurfaceProductDefinitionShape(exporterIFC, element, geometryElement, true, true);
}
}
List <int> latitude = new List <int>();
List <int> longitude = new List <int>();
ProjectLocation projLocation = doc.ActiveProjectLocation;
IFCAnyHandle relativePlacement = null;
double elevation = 0.0;
if (projLocation != null)
{
double latitudeInDeg = projLocation.SiteLocation.Latitude * 180 / Math.PI;
double longitudeInDeg = projLocation.SiteLocation.Longitude * 180 / Math.PI;
int latDeg = ((int)latitudeInDeg); latitudeInDeg -= latDeg; latitudeInDeg *= 60;
int latMin = ((int)latitudeInDeg); latitudeInDeg -= latMin; latitudeInDeg *= 60;
int latSec = ((int)latitudeInDeg); latitudeInDeg -= latSec; latitudeInDeg *= 1000000;
int latFracSec = ((int)latitudeInDeg);
latitude.Add(latDeg);
latitude.Add(latMin);
latitude.Add(latSec);
if (!exporterIFC.ExportAs2x2)
{
latitude.Add(latFracSec);
}
int longDeg = ((int)longitudeInDeg); longitudeInDeg -= longDeg; longitudeInDeg *= 60;
int longMin = ((int)longitudeInDeg); longitudeInDeg -= longMin; longitudeInDeg *= 60;
int longSec = ((int)longitudeInDeg); longitudeInDeg -= longSec; longitudeInDeg *= 1000000;
int longFracSec = ((int)longitudeInDeg);
longitude.Add(longDeg);
longitude.Add(longMin);
longitude.Add(longSec);
if (!exporterIFC.ExportAs2x2)
{
longitude.Add(longFracSec);
}
Transform siteSharedCoordinatesTrf = projLocation.GetTransform().Inverse;
if (!siteSharedCoordinatesTrf.IsIdentity)
{
XYZ orig = siteSharedCoordinatesTrf.Origin;
orig = orig.Multiply(exporterIFC.LinearScale);
relativePlacement = ExporterUtil.CreateAxis2Placement3D(file, orig, siteSharedCoordinatesTrf.BasisZ, siteSharedCoordinatesTrf.BasisX);
}
}
// Get elevation for site.
elevation = -LevelUtil.GetReferenceHeightForRelativeElevation(doc) * exporterIFC.LinearScale;
if (IFCAnyHandleUtil.IsNullOrHasNoValue(relativePlacement))
{
relativePlacement = ExporterUtil.CreateAxis2Placement3D(file);
}
IFCAnyHandle localPlacement = IFCInstanceExporter.CreateLocalPlacement(file, null, relativePlacement);
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string objectType = NamingUtil.CreateIFCObjectName(exporterIFC, element);
if (element != null)
{
if (IFCAnyHandleUtil.IsNullOrHasNoValue(siteHandle))
{
string instanceGUID = ExporterIFCUtils.CreateGUID(element);
string origInstanceName = exporterIFC.GetName();
string instanceName = NamingUtil.GetNameOverride(element, origInstanceName);
string instanceDescription = NamingUtil.GetDescriptionOverride(element, null);
string instanceObjectType = NamingUtil.GetObjectTypeOverride(element, objectType);
string instanceElemId = NamingUtil.CreateIFCElementId(element);
siteHandle = IFCInstanceExporter.CreateSite(file, instanceGUID, ownerHistory, instanceName, instanceDescription, instanceObjectType, localPlacement,
siteRepresentation, null, Toolkit.IFCElementComposition.Element, latitude, longitude, elevation, null, null);
}
}
else
{
// don't bother if we have nothing in the site whatsoever.
if ((latitude.Count == 0 || longitude.Count == 0) && IFCAnyHandleUtil.IsNullOrHasNoValue(relativePlacement))
{
return;
}
string defaultSiteName = "Default";
siteHandle = IFCInstanceExporter.CreateSite(file, ExporterIFCUtils.CreateProjectLevelGUID(doc, IFCProjectLevelGUIDType.Site), ownerHistory, defaultSiteName, null, objectType, localPlacement,
null, null, Toolkit.IFCElementComposition.Element, latitude, longitude, elevation, null, null);
}
productWrapper.AddSite(siteHandle);
exporterIFC.SetSite(siteHandle);
tr.Commit();
}
}