internal override void ParseXml(XmlElement xml)
{
base.ParseXml(xml);
if (xml.HasAttribute("Eastings"))
Eastings = double.Parse(xml.Attributes["Eastings"].Value);
if (xml.HasAttribute("Northings"))
Northings = double.Parse(xml.Attributes["Northings"].Value);
if (xml.HasAttribute("OrthogonalHeight"))
OrthogonalHeight = double.Parse(xml.Attributes["OrthogonalHeight"].Value);
if (xml.HasAttribute("XAxisAbscissa"))
XAxisAbscissa = double.Parse(xml.Attributes["XAxisAbscissa"].Value);
if (xml.HasAttribute("XAxisOrdinate"))
XAxisOrdinate = double.Parse(xml.Attributes["XAxisOrdinate"].Value);
if (xml.HasAttribute("Scale"))
Scale = double.Parse(xml.Attributes["Scale"].Value);
}