/// <summary>
/// The main entry point into the .NET IFC import code
/// </summary>
/// <param name="importer">The internal ImporterIFC class that contains information necessary for the import process.</param>
public void ImportIFC(ImporterIFC importer)
{
TheImporter = this;
IDictionary <String, String> options = importer.GetOptions();
TheOptions = m_ImportOptions = IFCImportOptions.Create(options);
// An early check, based on the options set - if we are allowed to use an up-to-date existing file on disk, use it.
try
{
string fullIFCFileName = importer.FullFileName;
if (!TheOptions.ForceImport && !NeedsReload(importer.Document, fullIFCFileName))
{
return;
}
// Clear the category mapping table, to force reload of options.
IFCCategoryUtil.Clear();
if (TheOptions.Intent != IFCImportIntent.Reference)
{
IFCImportFile.Import(importer);
}
else
{
ReferenceIFC(importer.Document, fullIFCFileName, options);
}
}
catch (Exception ex)
{
if (Importer.TheLog != null)
{
Importer.TheLog.LogError(-1, ex.Message, false);
}
// The following message can sometimes occur when reloading some IFC files
// from external resources. In this case, we should silently fail, and not
// throw.
if (!ex.Message.Contains("Starting a new transaction is not permitted"))
{
throw;
}
}
finally
{
if (Importer.TheLog != null)
{
Importer.TheLog.Close();
}
if (IFCImportFile.TheFile != null)
{
IFCImportFile.TheFile.Close();
}
}
}
/// <summary>
/// The main entry point into the .NET IFC import code
/// </summary>
/// <param name="importer">The internal ImporterIFC class that contains information necessary for the import process.</param>
public void ImportIFC(ImporterIFC importer)
{
TheImporter = this;
IDictionary <String, String> options = importer.GetOptions();
TheOptions = m_ImportOptions = IFCImportOptions.Create(options);
// An early check, based on the options set - if we are allowed to use an up-to-date existing file on disk, use it.
try
{
string fullFileName = importer.FullFileName;
string revitFileName = IFCImportFile.GetRevitFileName(fullFileName);
if (!TheOptions.ForceImport && !NeedsReload(fullFileName, revitFileName))
{
return;
}
// Clear the category mapping table, to force reload of options.
IFCCategoryUtil.Clear();
if (TheOptions.Intent != IFCImportIntent.Reference)
{
IFCImportFile.Import(importer);
}
else
{
ReferenceIFC(importer.Document, fullFileName, options);
}
}
catch (Exception ex)
{
if (Importer.TheLog != null)
{
Importer.TheLog.LogError(-1, ex.Message, false);
}
}
finally
{
if (Importer.TheLog != null)
{
Importer.TheLog.Close();
}
if (IFCImportFile.TheFile != null)
{
IFCImportFile.TheFile.Close();
}
}
}
public void ImportIFC(ImporterIFC importer)
{
TheImporter = this;
IDictionary <String, String> options = importer.GetOptions();
TheOptions = m_ImportOptions = IFCImportOptions.Create(options);
// An early check, based on the options set - if we are allowed to use an up-to-date existing file on disk, use it.
try
{
string revitFileName = IFCImportFile.GetRevitFileName(importer.FullFileName);
if (!TheOptions.ForceImport && !NeedsReload(importer.FullFileName, revitFileName))
{
return;
}
// Clear the category mapping table, to force reload of options.
IFCCategoryUtil.Clear();
if (TheOptions.Intent != IFCImportIntent.Reference)
{
IFCImportFile.Import(importer);
}
else
{
Document originalDocument = importer.Document;
Document ifcDocument = null;
if (TheOptions.Action == IFCImportAction.Link)
{
string linkedFileName = IFCImportFile.GetRevitFileName(importer.FullFileName);
ifcDocument = LoadOrCreateLinkDocument(originalDocument, linkedFileName);
if (ifcDocument == null)
{
return;
}
}
else
{
ifcDocument = originalDocument;
}
bool useCachedRevitFile = DocumentUpToDate(ifcDocument, importer.FullFileName);
// In the case where the document is already opened as a link, but it has been updated on disk,
// give the user a warning and use the cached value.
if (!useCachedRevitFile && ifcDocument.IsLinked)
{
useCachedRevitFile = true;
Importer.AddDelayedLinkError(BuiltInFailures.ImportFailures.IFCCantUpdateLinkedFile);
}
if (!useCachedRevitFile)
{
m_ImportCache = IFCImportCache.Create(ifcDocument, importer.FullFileName);
// Limit creating the cache to Link, but may either remove limiting or make it more restrict (reload only) later.
if (TheOptions.Action == IFCImportAction.Link)
{
TheCache.CreateExistingElementMaps(ifcDocument);
}
// TheFile will contain the same value as the return value for this function.
IFCImportFile.Create(importer.FullFileName, m_ImportOptions, ifcDocument);
}
if (useCachedRevitFile || IFCImportFile.TheFile != null)
{
if (IFCImportFile.TheFile != null)
{
if (IFCImportFile.TheFile.IFCProject != null)
{
IFCObjectDefinition.CreateElement(ifcDocument, IFCImportFile.TheFile.IFCProject);
}
IFCImportFile.TheFile.EndImport(ifcDocument, importer.FullFileName);
}
if (TheOptions.Action == IFCImportAction.Link)
{
// If we have an original Revit link file name, don't create a new RvtLinkSymbol -
// we will use the existing one.
bool useExistingType = (TheOptions.RevitLinkFileName != null);
IFCImportFile.LinkInFile(importer.FullFileName, ifcDocument, originalDocument, useExistingType, !useCachedRevitFile);
}
}
m_ImportCache.Reset(ifcDocument);
}
}
catch (Exception ex)
{
if (IFCImportFile.TheFile != null)
{
IFCImportFile.TheFile.Log.LogError(-1, ex.Message, false);
}
}
finally
{
if (IFCImportFile.TheFile != null)
{
IFCImportFile.TheFile.Close();
}
}
}