private void ParseCapabilities(XDocument xDoc)
{
//Get service info
var info = (from Service in xDoc.Descendants("Service")
select new
{
Title = Service.Element("Title") == null ? null : Service.Element("Title").Value,
Abstract = Service.Element("Abstract") == null ? null : Service.Element("Abstract").Value
}).First();
if (info != null)
{
this.Title = info.Title;
//OnPropertyChanged("Title");
this.Abstract = info.Abstract;
//OnPropertyChanged("Abstract");
}
//Get a list of layers
var layerList = from Layers in xDoc.Descendants("Layer")
where Layers.Descendants("Layer").Count() == 0
select new LayerInfo()
{
Name = Layers.Element("Name") == null ? null : Layers.Element("Name").Value,
Title = Layers.Element("Title") == null ? null : Layers.Element("Title").Value,
Abstract = Layers.Element("Abstract") == null ? null : Layers.Element("Abstract").Value
};
foreach (LayerInfo i in layerList)
{
this.LayerList.Add(i);
}
//OnPropertyChanged("LayerList");
try
{
//Get endpoint for GetMap requests
//I wish SL supported XPath...
var capabilities = (from c in xDoc.Descendants("Capability") select c).First();
var request = (from c in capabilities.Descendants("Request") select c).First();
var GetMap = (from c in request.Descendants("GetMap") select c).First();
var DCPType = (from c in request.Descendants("DCPType") select c).First();
var HTTP = (from c in request.Descendants("HTTP") select c).First();
var Get = (from c in request.Descendants("Get") select c).First();
var OnlineResource = (from c in request.Descendants("OnlineResource") select c).First();
var href = OnlineResource.Attribute(XName.Get("href", "http://www.w3.org/1999/xlink"));
httpGetResource = href.Value;
}
catch
{ //Default to WMS url
httpGetResource = this.Url;
}
//Get the full extent of all layers
var box = (from Layers in xDoc.Descendants("LatLonBoundingBox")
select new
{
minx = double.Parse(Layers.Attribute("minx").Value),
miny = double.Parse(Layers.Attribute("miny").Value),
maxx = double.Parse(Layers.Attribute("maxx").Value),
maxy = double.Parse(Layers.Attribute("maxy").Value)
}).ToList();
var minx = (from minmax in box select minmax.minx).Min();
var miny = (from minmax in box select minmax.miny).Min();
var maxx = (from minmax in box select minmax.maxx).Max();
var maxy = (from minmax in box select minmax.maxy).Max();
this.FullExtent = new Envelope(minx, miny, maxx, maxy)
{
SpatialReference = new SpatialReference(4326)
};
}
