internal override void ParseXml(XmlElement xml)
{
base.ParseXml(xml);
foreach (XmlNode child in xml.ChildNodes)
{
string name = child.Name;
if (string.Compare(name, "Directrix") == 0)
Directrix = mDatabase.ParseXml<IfcCurve>(child as XmlElement);
else if (string.Compare(name, "ReferenceSurface") == 0)
ReferenceSurface = mDatabase.ParseXml<IfcSurface>(child as XmlElement);
}
if (xml.HasAttribute("StartParam"))
mStartParam = double.Parse(xml.Attributes["StartParam"].Value);
if (xml.HasAttribute("EndParam"))
mStartParam = double.Parse(xml.Attributes["EndParam"].Value);
}