/// <summary>
/// Processes IfcObject handle.
/// </summary>
/// <param name="ifcObject">The IfcObject handle.</param>
/// <returns>The IfcObject object.</returns>
public static IFCObject ProcessIFCObject(IFCAnyHandle ifcObject)
{
if (IFCAnyHandleUtil.IsNullOrHasNoValue(ifcObject))
{
IFCImportFile.TheLog.LogNullError(IFCEntityType.IfcObject);
return(null);
}
IFCEntity cachedObject;
if (IFCImportFile.TheFile.EntityMap.TryGetValue(ifcObject.StepId, out cachedObject))
{
return(cachedObject as IFCObject);
}
if (IFCAnyHandleUtil.IsSubTypeOf(ifcObject, IFCEntityType.IfcProduct))
{
return(IFCProduct.ProcessIFCProduct(ifcObject));
}
else if (IFCAnyHandleUtil.IsSubTypeOf(ifcObject, IFCEntityType.IfcProject))
{
return(IFCProject.ProcessIFCProject(ifcObject));
}
IFCImportFile.TheLog.LogUnhandledSubTypeError(ifcObject, IFCEntityType.IfcObject, true);
return(null);
}
/// <summary>
/// Top-level function that processes an IFC file for reference.
/// </summary>
/// <returns>True if the process is successful, false otherwise.</returns>
private bool ProcessReference()
{
InitializeOpenTransaction("Open IFC Reference File");
//If there is more than one project, we will be ignoring all but the first one.
IList <IFCAnyHandle> projects = IFCImportFile.TheFile.GetInstances(IFCEntityType.IfcProject, false);
if (projects.Count == 0)
{
Importer.TheLog.LogError(-1, "There were no IfcProjects found in the file. Aborting import.", false);
return(false);
}
IFCProject.ProcessIFCProject(projects[0]);
// The IFC toolkit relies on the IFC schema definition to read in the file. The schema definition has entities that have data fields,
// and INVERSE relationships. Unfortunately, the standard IFC 2x3 schema has a "bug" where one of the inverse relationships is missing.
// Normally we don't care all that much, but now we do. So if we don't allow using this inverse (because if we did, it would just constantly
// throw exceptions), we need another way to get the zones. This is the way.
// We are also using this to find IfcSystems that don't have the optional IfcRelServicesBuildings set.
if (!IFCImportFile.TheFile.Options.AllowUseHasAssignments)
{
IList <IFCAnyHandle> zones = IFCImportFile.TheFile.GetInstances(IFCEntityType.IfcZone, false);
foreach (IFCAnyHandle zone in zones)
{
IFCZone ifcZone = IFCZone.ProcessIFCZone(zone);
if (ifcZone != null)
{
OtherEntitiesToCreate.Add(ifcZone);
}
}
IList <IFCAnyHandle> systems = IFCImportFile.TheFile.GetInstances(IFCEntityType.IfcSystem, false);
foreach (IFCAnyHandle system in systems)
{
IFCSystem ifcSystem = IFCSystem.ProcessIFCSystem(system);
if (ifcSystem != null)
{
OtherEntitiesToCreate.Add(ifcSystem);
}
}
}
return(PostProcessReference());
}
private bool Process(string ifcFilePath, IFCImportOptions options, Document doc)
{
// Manually set to false if necessary for debugging.
CleanEntitiesAfterCreate = true;
TheFileName = ifcFilePath;
TheBrepCounter = 0;
Log = IFCImportLog.CreateLog(ifcFilePath + ".log.html");
try
{
IFCSchemaVersion schemaVersion;
m_IfcFile = CreateIFCFile(ifcFilePath, out schemaVersion);
SchemaVersion = schemaVersion;
}
catch (Exception ex)
{
Log.LogError(-1, "There was an error reading the IFC file: " + ex.Message + ". Aborting import.", false);
return(false);
}
Options = options;
Document = doc;
ShapeLibrary = DirectShapeLibrary.GetDirectShapeLibrary(doc);
ShapeLibrary.Reset();
IFCFileReadOptions readOptions = new IFCFileReadOptions();
readOptions.FileName = ifcFilePath;
readOptions.XMLConfigFileName = Path.Combine(RevitProgramPath, "EDM\\ifcXMLconfiguration.xml");
int numErrors = 0;
int numWarnings = 0;
try
{
Importer.TheCache.StatusBar.Set(String.Format(Resources.IFCReadingFile, TheFileName));
m_IfcFile.Read(readOptions, out numErrors, out numWarnings);
}
catch (Exception ex)
{
Log.LogError(-1, "There was an error reading the IFC file: " + ex.Message + ". Aborting import.", false);
return(false);
}
if (numErrors > 0 || numWarnings > 0)
{
if (numErrors > 0)
{
if (numWarnings > 0)
{
Log.LogError(-1, "There were " + numErrors + " errors and " + numWarnings + " reading the IFC file. Please look at the log information at the end of this report for more information.", false);
}
else
{
Log.LogError(-1, "There were " + numErrors + " errors reading the IFC file. Please look at the log information at the end of this report for more information.", false);
}
}
else
{
Log.LogWarning(-1, "There were " + numWarnings + " warnings reading the IFC file. Please look at the log information at the end of this report for more information.", false);
}
}
m_Transaction = new Transaction(doc);
switch (options.Intent)
{
case IFCImportIntent.Reference:
InitializeOpenTransaction("Open IFC Reference File");
//If there is more than one project, we will be ignoring all but the first one.
IList <IFCAnyHandle> projects = IFCImportFile.TheFile.GetInstances(IFCEntityType.IfcProject, false);
if (projects.Count == 0)
{
Log.LogError(-1, "There were no IfcProjects found in the file. Aborting import.", false);
return(false);
}
else
{
IFCProject.ProcessIFCProject(projects[0]);
}
break;
}
return(true);
}
