private Polygon ParsePolygon(string name, XElement pg, string ns, bool onlyOuter)
{
PolygonReader polyReader = new PolygonReader();
var outerBoundary = pg.Descendants(XName.Get("outerBoundaryIs", ns)).FirstOrDefault();
var innerPolygons = pg.Descendants(XName.Get("innerBoundaryIs", ns)).ToList();
if (outerBoundary == null)
{
//check if the linear ring has been added without outer/inner boundaries
var linearRing = pg.Descendants(XName.Get("LinearRing", ns)).FirstOrDefault();
if (linearRing != null)
{
return polyReader.FromPointList(name, linearRing.Descendants(XName.Get("coordinates", ns)).First().Value);
}
return null;
}
Polygon p = polyReader.FromPointList(name, outerBoundary.Descendants(XName.Get("coordinates", ns)).First().Value);
if (!onlyOuter) {
foreach (var innerPolygon in innerPolygons)
{
var linearRings = innerPolygon.Descendants(XName.Get("LinearRing", ns)).ToList();
foreach (var ring in linearRings)
{
p.InnerPolygons.Add(polyReader.FromPointList(name, ring.Descendants(XName.Get("coordinates", ns)).First().Value));
}
}
}
return p;
}
private Polygon ParsePolygon(string name, XElement pg, string ns, bool onlyOuter)
{
PolygonReader polyReader = new PolygonReader();
var outerBoundary = pg.Descendants(XName.Get("outerBoundaryIs", ns)).FirstOrDefault();
var innerPolygons = pg.Descendants(XName.Get("innerBoundaryIs", ns)).ToList();
if (outerBoundary == null)
{
//check if the linear ring has been added without outer/inner boundaries
var linearRing = pg.Descendants(XName.Get("LinearRing", ns)).FirstOrDefault();
if (linearRing != null)
{
return(polyReader.FromPointList(name, linearRing.Descendants(XName.Get("coordinates", ns)).First().Value));
}
return(null);
}
Polygon p = polyReader.FromPointList(name, outerBoundary.Descendants(XName.Get("coordinates", ns)).First().Value);
if (!onlyOuter)
{
foreach (var innerPolygon in innerPolygons)
{
var linearRings = innerPolygon.Descendants(XName.Get("LinearRing", ns)).ToList();
foreach (var ring in linearRings)
{
p.InnerPolygons.Add(polyReader.FromPointList(name, ring.Descendants(XName.Get("coordinates", ns)).First().Value));
}
}
}
return(p);
}
