public static XmlElement citymap(XmlDocument doc, CityMap cmap, String region)
{
XmlElement e = doc.CreateElement("CityMap");
e.SetAttribute("region", region);
e.SetAttribute("numx", cmap.NumX.ToString());
e.SetAttribute("numy", cmap.NumY.ToString());
XmlElement p;
for (int i = 0; i < cmap.NumX; i++)
for (int j = 0; j < cmap.NumY; j++)
if (cmap.isCity(i, j))
{
p = pos(doc, "Pos", new Point(i, j));
p.AppendChild(city(doc, cmap.get(i, j)));
e.AppendChild(p);
}
return e;
}
