//GPoint rotateCoord( double x, double y, double bearing, double pivot_x, double pivot_y )
//{
// const double halfC = Math.PI / 180.0;
// double r = bearing * halfC;
// double sin = Math.Sin(r);
// double cos = Math.Cos(r);
// //double sin = Math.Sin(bearing);
// //double cos = Math.Cos(bearing);
// // translate point back to origin:
// c._x -= pivot_x;
// c._y -= pivot_y;
// // rotate point
// //double nx = bearing > 0 ? (c._x * cos + c._y * sin) : (c._x * cos - c._y * sin);
// //double ny = bearing > 0 ? (-1* c._x * sin + c._y * cos) : (c._x * sin + c._y * cos);
// //double nx = bearing > 0 ? (c._x * cos - c._y * sin) :(c._x * cos + c._y * sin);
// //double ny = bearing > 0 ? (c._x * sin + c._y * cos) : (-1 * c._x * sin + c._y * cos);
// double nx = (c._x * cos - c._y * sin);
// double ny = (c._x * sin + c._y * cos);
// // translate point back:
// c.x = nx*2 + pivot_x;
// c.y = ny + pivot_y;
//}
void checkBoundary( coord c )
{
if( _leftTop == null )
{
_leftTop = new coord();
_rightBottom = new coord();
_leftTop._x = c._x;
_leftTop._y = c._y;
_rightBottom._x = c._x;
_rightBottom._y = c._y;
}
else
{
_leftTop._x = c._x < _leftTop._x ? c._x : _leftTop._x;
_leftTop._y = c._y < _leftTop._y ? c._y : _leftTop._y;
_rightBottom._x = c._x > _rightBottom._x ? c._x : _rightBottom._x;
_rightBottom._y = c._y > _rightBottom._y ? c._y : _rightBottom._y;
}
}
private void readXML( )
{
string FileName = KMLIO.ShowFileDialog();
if (FileName == string.Empty)
return;
XDocument xDoc = System.Xml.Linq.XDocument.Load(FileName);
string xNs = "{" + xDoc.Root.Name.Namespace.ToString() + "}";
// style parsing
var styleList = from s in xDoc.Descendants(xNs + "Style")
select s;
foreach (var i in styleList)//v
{
style newStyle = new style();
newStyle.id = "#" + i.Attribute("id").Value;
newStyle.label_color = i.Element(xNs + "LabelStyle").Element(xNs + "color").Value;
newStyle.line_color = i.Element(xNs + "LineStyle").Element(xNs + "color").Value;
newStyle.poly_color = i.Element(xNs + "PolyStyle").Element(xNs + "color").Value;
styles.Add(newStyle);
}
// site parsing
var coordsStr = from f in xDoc.Descendants(xNs + "Placemark")
// where elementToFind.Contains(f.Parent.Element(xNs + "name").Value + f.Element(xNs + "name").Value)
//select f.Element(xNs + "LineString").Element(xNs + "coordinates");
select f;
//int seq = 0;
//Console.WriteLine(coordsStr);
foreach (var i in coordsStr)
{
var y = i.Element(xNs + "MultiGeometry").Descendants(xNs + "Polygon").Descendants(xNs + "outerBoundaryIs").Descendants(xNs + "LinearRing").Descendants(xNs + "coordinates");
char[] delemeters = { ',', ' ' };
site newSite = new site();
newSite.id = i.Attribute("id").Value;
newSite.styleId = i.Element(xNs + "styleUrl").Value;
newSite.name = i.Element(xNs + "name").Value;
newSite.points = y.ElementAt(0).Value.ToString().TrimStart().Split(delemeters).ToList();
while (newSite.points.Remove("0"))
;
newSite.styleRef = (from style in styles where style.id == newSite.styleId
select style).ElementAt(0);
// assert even
Debug.Assert( (newSite.points.Count % 2) == 0 );
for (int j = 0; j < newSite.points.Count; j += 2 )
{
coord c = new coord();
c._x = double.Parse(newSite.points[j]);
c._y = double.Parse(newSite.points[j+1]);
checkBoundary(c);
newSite.coords.Add(c);
}
//Console.WriteLine("({0}/{1}) : {2} : {3} : {4}", ++seq, points.Count, i.Attribute("id").Value, i.Element(xNs + "name").Value, i.Element(xNs + "styleUrl").Value);
sites.Add(newSite);
}
Console.WriteLine(coordsStr.Count());
Console.WriteLine("{0}:{1}", (_leftTop._y + _rightBottom._y) / 2, (_leftTop._x + _rightBottom._x) / 2);
foreach( var s in sites )
{
foreach( var i in s.coords )
{
GPoint org = gmap.FromLatLngToLocal(gmap.Position);
GPoint p = gmap.FromLatLngToLocal(new GMap.NET.PointLatLng(i._y, i._x) );
GPoint rp = rotatePosition( p, 0, org );
PointLatLng f = gmap.FromLocalToLatLng((int)rp.X, (int)rp.Y);
i.x = f.Lng;
i.y = f.Lat;
}
}
}
