private IFCType GetIfcType(string path)
{
IFCType result = IFCType.None;
IntPtr ifcModel = ifcEngine.OpenModelUnicode(IntPtr.Zero, path, Constants.IFC2X3_SCHEMA_NAME);
if (ifcModel != IntPtr.Zero)
{
ifcEngine.GetSPFFHeaderItem(ifcModel, 9, 0, IfcEngine.SdaiType.String, out IntPtr outputValue);
string headerItem = Marshal.PtrToStringAnsi(outputValue);
if (!string.IsNullOrEmpty(headerItem))
{
if (headerItem.Contains(IFCType.IFC2.ToString()))
{
result = IFCType.IFC2;
}
else if (headerItem.Contains(IFCType.IFC4.ToString()))
{
result = IFCType.IFC4;
}
}
ifcEngine.CloseModel(ifcModel);
}
return(result);
}
public void closeModel()
{
if (!IntPtr.Zero.Equals(_ifcModel))
{
//close model
_ifcEngine.CloseModel(_ifcModel);
}
}
private bool ParseIfcFile(string sPath)
{
if (File.Exists(sPath))
{
IntPtr ifcModel = _ifcEngine.OpenModel(IntPtr.Zero, sPath, "IFC2X3_TC1.exp");
string xmlSettings_IFC2x3 = @"IFC2X3-Settings.xml";
string xmlSettings_IFC4 = @"IFC4-Settings.xml";
if (ifcModel != IntPtr.Zero)
{
IntPtr outputValue = IntPtr.Zero;
_ifcEngine.GetSPFFHeaderItem(ifcModel, 9, 0, IfcEngine.SdaiType.String, out outputValue);
string s = Marshal.PtrToStringAnsi(outputValue);
XmlTextReader textReader = null;
if (string.IsNullOrEmpty(s) || s.Contains("IFC2"))
{
textReader = new XmlTextReader(xmlSettings_IFC2x3);
}
else if (s.Contains("IFC4"))
{
_ifcEngine.CloseModel(ifcModel);
ifcModel = _ifcEngine.OpenModel(IntPtr.Zero, sPath, "IFC4.exp");
if (ifcModel != IntPtr.Zero)
{
textReader = new XmlTextReader(xmlSettings_IFC4);
}
}
if (textReader == null)
{
return(false);
}
// if node type us an attribute
while (textReader.Read())
{
textReader.MoveToElement();
if (textReader.AttributeCount > 0)
{
if (textReader.LocalName == "object")
{
if (textReader.GetAttribute("name") != null)
{
string Name = textReader.GetAttribute("name").ToString();
//string Desc = textReader.GetAttribute("description").ToString();
RetrieveObjects(ifcModel, Name, Name);
}
}
}
}
int a = 0;
GenerateGeometry(ifcModel, _rootIfcItem, ref a);
// Generate Tree Control
_treeData.BuildTree(this, ifcModel, _rootIfcItem, _treeControl);
_ifcEngine.CloseModel(ifcModel);
return(true);
}
}
return(false);
}