/// <summary>
/// Creates an IFCImportFile from a file on the disk.
/// </summary>
/// <param name="ifcFilePath">The path of the file.</param>
/// <param name="options">The IFC import options.</param>
/// <param name="doc">The optional document argument. If importing into Revit, not supplying a document may reduce functionality later.</param>
/// <returns>The IFCImportFile.</returns>
public static IFCImportFile Create(string ifcFilePath, IFCImportOptions options, Document doc)
{
m_sIFCImportFile = new IFCImportFile();
bool success = TheFile.Process(ifcFilePath, options, doc);
if (success)
{
// Store the original levels in the template file for Open IFC. On export, we will delete these levels if we created any.
// Note that we always have to preserve one level, regardless of what the ActiveView is.
// TODO: Only for open, not import.
if (doc != null)
{
IFCBuildingStorey.ExistingLevelIdToReuse = ElementId.InvalidElementId;
View activeView = doc.ActiveView;
if (activeView != null)
{
Level genLevel = activeView.GenLevel;
if (genLevel != null)
{
IFCBuildingStorey.ExistingLevelIdToReuse = genLevel.Id;
}
}
FilteredElementCollector levelCollector = new FilteredElementCollector(doc);
ICollection <Element> levels = levelCollector.OfClass(typeof(Level)).ToElements();
ICollection <ElementId> levelIdsToDelete = new HashSet <ElementId>();
foreach (Element level in levels)
{
if (IFCBuildingStorey.ExistingLevelIdToReuse == ElementId.InvalidElementId)
{
IFCBuildingStorey.ExistingLevelIdToReuse = level.Id;
}
else if (level.Id != IFCBuildingStorey.ExistingLevelIdToReuse)
{
levelIdsToDelete.Add(level.Id);
}
}
doc.Delete(levelIdsToDelete);
// Collect material names, to avoid reusing.
FilteredElementCollector materialCollector = new FilteredElementCollector(doc);
ICollection <Element> materials = materialCollector.OfClass(typeof(Material)).ToElements();
foreach (Element materialAsElem in materials)
{
Material material = materialAsElem as Material;
IFCMaterialInfo info = IFCMaterialInfo.Create(material.Color, material.Transparency, material.Shininess,
material.Smoothness, material.Id);
Importer.TheCache.CreatedMaterials.Add(material.Name, info);
}
}
}
else
{
// Close up the log file, set m_sIFCImportFile to null.
TheFile.Close();
}
return(m_sIFCImportFile);
}
/// <summary>
/// Creates an IFCImportFile from a file on the disk.
/// </summary>
/// <param name="ifcFilePath">The path of the file.</param>
/// <param name="options">The IFC import options.</param>
/// <param name="doc">The optional document argument. If importing into Revit, not supplying a document may reduce functionality later.</param>
/// <returns>The IFCImportFile.</returns>
public static IFCImportFile Create(string ifcFilePath, IFCImportOptions options, Document doc)
{
m_sIFCImportFile = new IFCImportFile();
bool success = TheFile.Process(ifcFilePath, options, doc);
if (success)
{
// Store the original levels in the template file for Open IFC. On export, we will delete these levels if we created any.
// Note that we always have to preserve one level, regardless of what the ActiveView is.
if (doc != null)
{
IFCBuildingStorey.ExistingLevelIdToReuse = ElementId.InvalidElementId;
View activeView = doc.ActiveView;
if (activeView != null)
{
Level genLevel = activeView.GenLevel;
if (genLevel != null)
{
IFCBuildingStorey.ExistingLevelIdToReuse = genLevel.Id;
}
}
// For Link IFC, we will delete any unused levels at the end. Instead, we want to try to reuse them.
// The for loop does a little unnecessary work if deleteLevelsNow, but the performance implications are very small.
bool deleteLevelsNow = (Importer.TheOptions.Action != IFCImportAction.Link);
FilteredElementCollector levelCollector = new FilteredElementCollector(doc);
ICollection <Element> levels = levelCollector.OfClass(typeof(Level)).ToElements();
ICollection <ElementId> levelIdsToDelete = new HashSet <ElementId>();
foreach (Element level in levels)
{
if (level == null)
{
continue;
}
if (IFCBuildingStorey.ExistingLevelIdToReuse == ElementId.InvalidElementId)
{
IFCBuildingStorey.ExistingLevelIdToReuse = level.Id;
}
else if (level.Id != IFCBuildingStorey.ExistingLevelIdToReuse)
{
levelIdsToDelete.Add(level.Id);
}
}
if (deleteLevelsNow)
{
doc.Delete(levelIdsToDelete);
}
// Collect material names, to avoid reusing.
FilteredElementCollector materialCollector = new FilteredElementCollector(doc);
ICollection <Element> materials = materialCollector.OfClass(typeof(Material)).ToElements();
foreach (Element materialAsElem in materials)
{
Material material = materialAsElem as Material;
IFCMaterialInfo info = IFCMaterialInfo.Create(material.Color, material.Transparency, material.Shininess,
material.Smoothness, material.Id);
Importer.TheCache.CreatedMaterials.Add(material.Name, info);
}
}
}
else
{
// Close up the log file, set m_sIFCImportFile to null.
TheFile.Close();
}
return(m_sIFCImportFile);
}
