private void ReadSchemaInHeader(XmlReader input, IStepFileHeader header)
{
if (!input.IsEmptyElement && input.HasAttributes)
{
while (input.MoveToNextAttribute())
{
if (input.Value == "http://www.iai-tech.org/ifcXML/IFC2x3/FINAL")
{
header.FileSchema.Schemas.Add("IFC2X3");
break;
}
if (input.Value == "http://www.buildingsmart-tech.org/ifcXML/MVD4/IFC4" || input.Value == "http://www.buildingsmart-tech.org/ifcXML/IFC4/Add1")
{
header.FileSchema.Schemas.Add("IFC4");
header.FileSchema.Schemas.Add("IFC4Add1");
break;
}
if (input.Value == "http://www.buildingsmart-tech.org/ifcXML/IFC4/final")
{
header.FileSchema.Schemas.Add("IFC4");
break;
}
}
input.MoveToElement();
}
}
/// <summary>
/// Code to determine model specific workarounds (BIM tool IFC exporter quirks)
/// </summary>
static public void SetWorkArounds(IStepFileHeader header, XbimModelFactors modelFactors)
{
//try Revit first
string revitPattern = @"- Exporter\s(\d*.\d*.\d*.\d*)";
if (header.FileName == null || string.IsNullOrWhiteSpace(header.FileName.OriginatingSystem))
{
return; //nothing to do
}
var matches = Regex.Matches(header.FileName.OriginatingSystem, revitPattern, RegexOptions.IgnoreCase);
if (matches.Count > 0) //looks like Revit
{
if (matches[0].Groups.Count == 2) //we have the build versions
{
if (Version.TryParse(matches[0].Groups[1].Value, out Version modelVersion))
{
//SurfaceOfLinearExtrusion bug found in version 17.2.0 and earlier
var surfaceOfLinearExtrusionVersion = new Version(17, 2, 0, 0);
if (modelVersion <= surfaceOfLinearExtrusionVersion)
{
modelFactors.AddWorkAround("#SurfaceOfLinearExtrusion");
}
}
}
}
}
/// <summary>
/// This function writes model entities to the defined XML output.
/// </summary>
/// <param name="model">Model to be used for serialization. If no entities are specified IModel.Instances will be used as a
/// source of entities to be serialized.</param>
/// <param name="output">Output XML</param>
/// <param name="entities">Optional entities enumerable. If you define this enumerable it will be
/// used instead of all entities from IModel.Instances. This allows to define different way of entities retrieval
/// like volatile instances from persisted DB model</param>
public void Write(IModel model, XmlWriter output, IEnumerable <IPersistEntity> entities = null)
{
_metadata = model.Metadata;
try
{
_written = new HashSet <long>();
output.WriteStartDocument();
output.WriteStartElement("ex", "iso_10303_28", Iso10303Urn);
output.WriteAttributeString("version", "2.0");
output.WriteAttributeString("xmlns", "xsi", null, Xsi);
output.WriteAttributeString("xmlns", "xlink", null, Xlink);
output.WriteAttributeString("xmlns", "ex", null, Iso10303Urn);
output.WriteAttributeString("xsi", "schemaLocation", null,
string.Format("{0} {1}", Iso10303Urn, ExXsd));
_fileHeader = model.Header;
WriteISOHeader(output);
//Write out the uos
output.WriteStartElement("uos", Namespace);
output.WriteAttributeString("id", "uos_1");
output.WriteAttributeString("description", "Xbim IfcXml Export");
output.WriteAttributeString("configuration", "i_ifc2x3");
output.WriteAttributeString("edo", "");
output.WriteAttributeString("xmlns", "ex", null, Iso10303Urn);
output.WriteAttributeString("xmlns", "ifc", null, Namespace);
output.WriteAttributeString("xsi", "schemaLocation", null, string.Format("{0} {1}", Namespace, IfcXsd));
//use specified entities enumeration or just all instances in the model
if (entities != null)
{
foreach (var entity in entities)
{
Write(entity, output);
}
}
else
{
foreach (var entity in model.Instances)
{
Write(entity, output);
}
}
output.WriteEndElement(); //uos
output.WriteEndElement(); //iso_10303_28
output.WriteEndDocument();
}
catch (Exception e)
{
throw new Exception("Failed to write IfcXml file", e);
}
finally
{
_written = null;
}
}
/// <summary>
/// This function writes model entities to the defined XML output.
/// </summary>
/// <param name="model">Model to be used for serialization. If no entities are specified IModel.Instances will be used as a
/// source of entities to be serialized.</param>
/// <param name="output">Output XML</param>
/// <param name="entities">Optional entities enumerable. If you define this enumerable it will be
/// used instead of all entities from IModel.Instances. This allows to define different way of entities retrieval
/// like volatile instances from persisted DB model</param>
public void Write(IModel model, XmlWriter output, IEnumerable <IPersistEntity> entities = null)
{
_metadata = model.Metadata;
try
{
_written = new HashSet <long>();
output.WriteStartDocument();
output.WriteStartElement(_rootElementName, _ns);
//xmlns declarations
output.WriteAttributeString("xmlns", "xsi", null, Xsi);
output.WriteAttributeString("xmlns", "xlink", null, Xlink);
output.WriteAttributeString("xmlns", _nsPrefix, null, _ns);
if (!string.IsNullOrWhiteSpace(_nsLocation))
{
output.WriteAttributeString("schemaLocation", Xsi, string.Format("{0} {1}", _ns, _nsLocation));
}
//root attributes
output.WriteAttributeString("id", "uos_1");
if (!string.IsNullOrWhiteSpace(_expressUri))
{
output.WriteAttributeString("express", _expressUri);
}
if (!string.IsNullOrWhiteSpace(_configurationUri))
{
output.WriteAttributeString("configuration", _configurationUri);
}
_fileHeader = model.Header;
WriteHeader(output);
//use specified entities enumeration or just all instances in the model
entities = entities ?? model.Instances;
foreach (var entity in entities)
{
WriteEntity(entity, output, true);
}
output.WriteEndElement(); //root element
output.WriteEndDocument();
}
catch (Exception e)
{
throw new Exception("Failed to write XML file", e);
}
finally
{
_written = null;
}
}
internal void WriteHeader(IStepFileHeader ifcFileHeader)
{
var ms = new MemoryStream(4096);
var bw = new BinaryWriter(ms);
ifcFileHeader.Write(bw);
if (Api.TryMoveFirst(Sesid, GlobalsTable))
{
using (var update = new Update(Sesid, GlobalsTable, JET_prep.Replace))
{
Api.SetColumn(Sesid, GlobalsTable, IfcHeaderColumn, ms.ToArray());
update.Save();
}
}
}
/// <summary>
/// Closes the current model and releases all resources and instances
/// </summary>
public virtual void Close()
{
var dbName = DatabaseName;
ModelFactors = new XbimModelFactors(Math.PI / 180, 1e-3, 1e-5);
Header = null;
if (_editTransactionEntityCursor != null)
{
EndTransaction();
}
if (_geometryStore != null)
{
_geometryStore.Dispose();
_geometryStore = null;
}
InstanceCache.Close();
//dispose any referenced models
foreach (var refModel in _referencedModels.Select(r => r.Model).OfType <IDisposable>())
{
refModel.Dispose();
}
_referencedModels.Clear();
try //try and tidy up if required
{
if (_deleteOnClose && File.Exists(dbName))
{
File.Delete(dbName);
// Since Windows 10 Anniverary Edition JET FlushMap files are created for each XBIM
// https://docs.microsoft.com/en-us/windows/desktop/extensiblestorageengine/gg294069(v%3Dexchg.10)#flush-map-files
var flushMapFile = Path.ChangeExtension(dbName, ".jfm");
if (File.Exists(flushMapFile))
{
File.Delete(flushMapFile);
}
}
}
catch (Exception)
{
// ignored
}
_deleteOnClose = false;
}
public MemoryModel(IEntityFactory entityFactory, IStepFileHeader header) : base(entityFactory, 0)
{
Header = header;
}
private ProcessResult ProcessFile(string ifcFile)
{
RemoveFiles(ifcFile);
long geomTime = -1; long parseTime = -1;
using (EventTrace eventTrace = LoggerFactory.CreateEventTrace())
{
ProcessResult result = new ProcessResult()
{
Errors = -1
};
try
{
Stopwatch watch = new Stopwatch();
watch.Start();
using (var model = ParseModelFile(ifcFile, Params.Caching))
{
parseTime = watch.ElapsedMilliseconds;
string xbimFilename = BuildFileName(ifcFile, ".xbim");
//add geometry
Xbim3DModelContext m3d = new Xbim3DModelContext(model);
try
{
m3d.CreateContext();
}
catch (Exception ex)
{
Logger.Error(String.Format("Error compiling geometry: {0} - {1}", ifcFile, ex.Message), ex);
}
geomTime = watch.ElapsedMilliseconds - parseTime;
IStepFileHeader header = model.Header;
watch.Stop();
var ohs = model.Instances.OfType <IIfcOwnerHistory>().FirstOrDefault();
result = new ProcessResult()
{
ParseDuration = parseTime,
GeometryDuration = geomTime,
SceneDuration = 0,
FileName = ifcFile,
Entities = model.Instances.Count,
IfcSchema = header.FileSchema.Schemas.FirstOrDefault(),
IfcDescription = String.Format("{0}, {1}", header.FileDescription.Description.FirstOrDefault(), header.FileDescription.ImplementationLevel),
//GeometryEntries = model.,
IfcLength = ReadFileLength(ifcFile),
XbimLength = ReadFileLength(xbimFilename),
SceneLength = 0,
IfcProductEntries = model.Instances.CountOf <IIfcProduct>(),
IfcSolidGeometries = model.Instances.CountOf <IIfcSolidModel>(),
IfcMappedGeometries = model.Instances.CountOf <IIfcMappedItem>(),
BooleanGeometries = model.Instances.CountOf <IIfcBooleanResult>(),
Application = ohs == null ? "Unknown" : ohs.OwningApplication.ToString(),
};
}
}
catch (Exception ex)
{
Logger.Error(String.Format("Problem converting file: {0}", ifcFile), ex);
result.Failed = true;
}
finally
{
result.Errors = (from e in eventTrace.Events
where (e.EventLevel == EventLevel.ERROR)
select e).Count();
result.Warnings = (from e in eventTrace.Events
where (e.EventLevel == EventLevel.WARN)
select e).Count();
result.FileName = ifcFile;
if (eventTrace.Events.Count > 0)
{
CreateLogFile(ifcFile, eventTrace.Events);
}
//add last reports pass/fail and save report to report set
if (_lastReportSet != null)
{
result.LastTestFailed = _lastReportSet.Compare(result); //set last test pass/fail result
}
_thisReportSet.Add(result);
}
return(result);
}
}
private ProcessResult ProcessFile(string ifcFile, StreamWriter writer)
{
RemoveFiles(ifcFile);
long geomTime = -1; long parseTime = -1;
using (EventTrace eventTrace = LoggerFactory.CreateEventTrace())
{
ProcessResult result = new ProcessResult()
{
Errors = -1
};
try
{
Stopwatch watch = new Stopwatch();
watch.Start();
using (var model = ParseModelFile(ifcFile, Params.Caching))
{
parseTime = watch.ElapsedMilliseconds;
string xbimFilename = BuildFileName(ifcFile, ".xbim");
Xbim3DModelContext context = new Xbim3DModelContext(model);
context.CreateContext();
//}
geomTime = watch.ElapsedMilliseconds - parseTime;
//XbimSceneBuilder sb = new XbimSceneBuilder();
//string xbimSceneName = BuildFileName(ifcFile, ".xbimScene");
//sb.BuildGlobalScene(model, xbimSceneName);
// sceneTime = watch.ElapsedMilliseconds - geomTime;
IStepFileHeader header = model.Header;
watch.Stop();
IIfcOwnerHistory ohs = model.Instances.OfType <IIfcOwnerHistory>().FirstOrDefault();
using (var geomReader = model.GeometryStore.BeginRead())
{
result = new ProcessResult
{
ParseDuration = parseTime,
GeometryDuration = geomTime,
// SceneDuration = sceneTime,
FileName = ifcFile.Remove(0, Params.TestFileRoot.Length).TrimStart('\\'),
Entities = model.Instances.Count,
IfcSchema = header.FileSchema.Schemas.FirstOrDefault(),
IfcDescription = String.Format("{0}, {1}", header.FileDescription.Description.FirstOrDefault(), header.FileDescription.ImplementationLevel),
GeometryEntries = geomReader.ShapeInstances.Count(),
IfcLength = ReadFileLength(ifcFile),
XbimLength = ReadFileLength(xbimFilename),
SceneLength = 0,
IfcProductEntries = model.Instances.OfType <IIfcProduct>().Count(),
IfcSolidGeometries = model.Instances.OfType <IIfcSolidModel>().Count(),
IfcMappedGeometries = model.Instances.OfType <IIfcMappedItem>().Count(),
BooleanGeometries = model.Instances.OfType <IIfcBooleanResult>().Count(),
BReps = model.Instances.OfType <IIfcFaceBasedSurfaceModel>().Count() + model.Instances.OfType <IIfcShellBasedSurfaceModel>().Count() + model.Instances.OfType <IIfcManifoldSolidBrep>().Count(),
Application = ohs == null ? "Unknown" : ohs.OwningApplication.ToString(),
};
}
model.Close();
}
}
catch (Exception ex)
{
Logger.Error(String.Format("Problem converting file: {0}", ifcFile), ex);
result.Failed = true;
}
finally
{
result.Errors = (from e in eventTrace.Events
where (e.EventLevel == EventLevel.ERROR)
select e).Count();
result.Warnings = (from e in eventTrace.Events
where (e.EventLevel == EventLevel.WARN)
select e).Count();
result.FileName = ifcFile.Remove(0, Params.TestFileRoot.Length).TrimStart('\\');
if (eventTrace.Events.Count > 0)
{
CreateLogFile(ifcFile, eventTrace.Events);
}
writer.WriteLine(result.ToCsv());
writer.Flush();
}
return(result);
}
}
/// <summary>
/// Writes STEP21 header to the output
/// </summary>
/// <param name="header">Header</param>
/// <param name="output">Writer</param>
/// <param name="overridingSchema">Schema to be written to the header instead of the schema defined in the header.
/// This is useful if the schema is not defined in the header.</param>
public static void WriteHeader(IStepFileHeader header, TextWriter output, string overridingSchema = null)
{
output.WriteLine("ISO-10303-21;");
output.WriteLine("HEADER;");
//FILE_DESCRIPTION
output.Write("FILE_DESCRIPTION ((");
var i = 0;
if (header.FileDescription.Description.Count == 0)
{
output.Write(@"''");
}
else
{
foreach (var item in header.FileDescription.Description)
{
output.Write(@"{0}'{1}'", i == 0 ? "" : ",", item.ToPart21());
i++;
}
}
output.Write(@"), '{0}');", header.FileDescription.ImplementationLevel);
output.WriteLine();
//FileName
output.Write("FILE_NAME (");
output.Write(@"'{0}'", (header.FileName != null && header.FileName.Name != null) ? header.FileName.Name.ToPart21() : "");
output.Write(@", '{0}'", header.FileName != null ? header.FileName.TimeStamp : "");
output.Write(", (");
i = 0;
if (header.FileName != null && header.FileName.AuthorName.Count == 0)
{
output.Write(@"''");
}
else
{
if (header.FileName != null)
{
foreach (var item in header.FileName.AuthorName)
{
output.Write(@"{0}'{1}'", i == 0 ? "" : ",", item.ToPart21());
i++;
}
}
}
output.Write("), (");
i = 0;
if (header.FileName != null && header.FileName.Organization.Count == 0)
{
output.Write(@"''");
}
else
{
if (header.FileName != null)
{
foreach (var item in header.FileName.Organization)
{
output.Write(@"{0}'{1}'", i == 0 ? "" : ",", item.ToPart21());
i++;
}
}
}
if (header.FileName != null)
{
output.Write(@"), '{0}', '{1}', '{2}');", header.FileName.PreprocessorVersion.ToPart21(), header.FileName.OriginatingSystem.ToPart21(),
header.FileName.AuthorizationName.ToPart21());
}
output.WriteLine();
//FileSchema
output.Write("FILE_SCHEMA (('{0}'));", overridingSchema ?? header.FileSchema.Schemas.FirstOrDefault());
output.WriteLine();
output.WriteLine("ENDSEC;");
output.WriteLine("DATA;");
}
internal void InitialiseHeader(IStepFileHeader header)
{
_header = header;
}
