/// <summary>
/// Set data from XML fragment
/// </summary>
/// <param name="pmdata">Placemark XML fragment</param>
/// <param name="ns">XML namespace</param>
public void SetData(XmlNode pmdata, XmlNamespaceManager ns)
{
Nodes = new List <IKmlItem>();
XmlNodeList points = pmdata.SelectNodes("gx:Track/gx:coord", ns);
foreach (XmlNode point in points)
{
Placemark node = new Placemark();
string triple = point.InnerText.Trim().Replace(' ', ',');
node.SetCoord(triple);
Nodes.Add(node);
}
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="Filename">.kml or .kmz file</param>
public KmlLib(string Filename)
{
Stream kmlStream = null;
XmlDocument Kml;
// if .kmz unpack the file
if (System.IO.Path.GetExtension(Filename).ToUpper() == ".KMZ")
{
FileStream kmzFile = File.OpenRead(Filename);
ZipFile zip = new ZipFile(kmzFile);
foreach (ZipEntry zipEntry in zip)
{
if (!zipEntry.IsFile)
{
continue; // Ignore directories
}
if (zipEntry.Name.ToUpper() != "DOC.KML")
{
continue;
}
kmlStream = zip.GetInputStream(zipEntry);
break;
}
}
else
{
kmlStream = File.OpenRead(Filename);
}
Kml = new XmlDocument();
Kml.Load(kmlStream);
// XML parser
XmlNamespaceManager ns = new XmlNamespaceManager(Kml.NameTable);
ns.AddNamespace("ns", "http://www.opengis.net/kml/2.2");
ns.AddNamespace("kml", "http://www.opengis.net/kml/2.2");
ns.AddNamespace("gx", "http://www.google.com/kml/ext/2.2");
ns.AddNamespace("atom", "http://www.w3.org/2005/Atom");
XmlNodeList pmList = Kml.GetElementsByTagName("Placemark");
PmList = new List <IKmlItem>();
PathList = new List <IKmlItem>();
PolyList = new List <IKmlItem>();
TrackList = new List <IKmlItem>();
foreach (XmlNode nodo in pmList)
{
if (nodo.SelectSingleNode("ns:Point", ns) != null)
{
Placemark pm = new Placemark();
pm.SetData(nodo, ns);
PmList.Add(pm);
}
if (nodo.SelectSingleNode("ns:LineString", ns) != null)
{
Path pa = new Path();
pa.SetData(nodo, ns);
PathList.Add(pa);
}
if (nodo.SelectSingleNode("ns:Polygon", ns) != null)
{
Polygon po = new Polygon();
po.SetData(nodo, ns);
PolyList.Add(po);
}
if (nodo.SelectSingleNode("gx:Track", ns) != null)
{
Track tr = new Track();
tr.SetData(nodo, ns);
TrackList.Add(tr);
}
}
}
