public Marker(PointLatLng pos, MarkerType type, MarkerColor color)
{
this.Position = pos;
this.Type = type;
this.Color = color;
this.Text = string.Empty;
this.TooltipMode = MarkerTooltipMode.OnMouseOver;
this.Visible = true;
this.CustomMarkerAlign = CustomMarkerAlign.MiddleMiddle;
this.CustomMarkerCenter = Point.Empty;
this.IsMouseOver = false;
this.ToolTipOffset = new Point(14, -44);
}
static PointLatLng()
{
Empty = new PointLatLng();
}
public static PointLatLng Subtract(PointLatLng pt, SizeLatLng sz)
{
return new PointLatLng(pt.Lat + sz.HeightLat, pt.Lng - sz.WidthLng);
}
public static PointLatLng Add(PointLatLng pt, SizeLatLng sz)
{
return new PointLatLng(pt.Lat - sz.HeightLat, pt.Lng + sz.WidthLng);
}
public SizeLatLng(PointLatLng pt)
{
this.heightLat = pt.Lat;
this.widthLng = pt.Lng;
}
public bool Contains(PointLatLng pt)
{
return this.Contains(pt.Lat, pt.Lng);
}
// .
// |
// unsure ends here
public void Offset(PointLatLng pos)
{
this.Offset(pos.Lat, pos.Lng);
}
public RectLatLng(PointLatLng location, SizeLatLng size)
{
this.lng = location.Lng;
this.lat = location.Lat;
this.widthLng = size.WidthLng;
this.heightLat = size.HeightLat;
}
/// <summary>
/// gets lat & lng from geocoder url
/// </summary>
/// <param name="url"></param>
/// <returns></returns>
internal PointLatLng? GetLatLngFromGeocoderUrl(string url, bool useCache)
{
//GET /maps/geo?q=lietuva%20vilnius&output=csv HTTP/1.1
//User-Agent: Opera/9.62 (Windows NT 5.1; U; en) Presto/2.1.1
//Host: maps.google.com
//Accept: text/html, application/xml;q=0.9, application/xhtml+xml, image/png, image/jpeg, image/gif, image/x-xbitmap, */*;q=0.1
//Accept-Language: en,lt-LT;q=0.9,lt;q=0.8
//Accept-Charset: iso-8859-1, utf-8, utf-16, *;q=0.1
//Accept-Encoding: deflate, gzip, x-gzip, identity, *;q=0
//Cookie: PREF=ID=dc739bf01aeeeaf6:LD=en:CR=2:TM=1226264028:LM=1227458503:S=nShNvvvFhVPickBv; NID=17=l4NuFqggqPCBRcQu4BLw5EkBfiTej5k3i8gPOWl16_wqWNaYA5tepmtdKpxBqxkqDWZV5NIn9DaQQcpbyL4T8mDDmkoMuIMh71nasewOVxAZFWFkzrRGU3kDu_QBTmDt
//Cookie2: $Version=1
//Connection: Keep-Alive, TE
//TE: deflate, gzip, chunked, identity, trailers
//HTTP/1.1 200 OK
//Content-Type: text/plain; charset=UTF-8
//Content-Encoding: gzip
//Date: Sat, 13 Dec 2008 12:30:38 GMT
//Server: mfe
//Cache-Control: private, x-gzip-ok=""
//Content-Length: 47
//..........320.1.15.3..4134.12.32..453...l5W....
PointLatLng? ret = null;
try
{
string urlEnd = url.Substring(url.IndexOf("geo?q="));
char[] ilg = Path.GetInvalidFileNameChars();
foreach(char c in ilg)
{
urlEnd = urlEnd.Replace(c, '_');
}
string geo = useCache ? Cache.GetGeocoderFromCache(urlEnd) : string.Empty;
if(string.IsNullOrEmpty(geo))
{
HttpWebRequest request = (HttpWebRequest) WebRequest.Create(url);
request.ServicePoint.ConnectionLimit = 50;
request.Proxy = Proxy != null ? Proxy : WebRequest.DefaultWebProxy;
request.UserAgent = "Opera/9.62 (Windows NT 5.1; U; en) Presto/2.1.1";
request.Timeout = Timeout;
request.ReadWriteTimeout = Timeout*6;
//request.Accept = "text/html, application/xml;q=0.9, application/xhtml+xml, image/png, image/jpeg, image/gif, image/x-xbitmap, */*;q=0.1";
//request.Headers["Accept-Charset"] = "utf-8, utf-16, iso-8859-1, *;q=0.1";
//request.Referer = "http://maps.google.com/";
request.KeepAlive = true;
using(HttpWebResponse response = request.GetResponse() as HttpWebResponse)
{
using(Stream responseStream = response.GetResponseStream())
{
using(StreamReader read = new StreamReader(responseStream))
{
geo = read.ReadToEnd();
}
}
}
// cache geocoding
if(useCache)
{
Cache.CacheGeocoder(urlEnd, geo);
}
}
// parse values
// true : 200,4,56.1451640,22.0681787
// false: 602,0,0,0
{
string[] values = geo.Split(',');
if(values.Length == 4)
{
if(values[0] == "200")
{
double lat = double.Parse(values[2], CultureInfo.InvariantCulture);
double lng = double.Parse(values[3], CultureInfo.InvariantCulture);
ret = new PointLatLng(lat, lng);
}
}
}
}
catch(Exception ex)
{
ret = null;
Trace.WriteLine("GetLatLngFromUrl: " + ex.ToString());
}
return ret;
}
/// <summary>
/// makes url for routing
/// </summary>
/// <param name="start"></param>
/// <param name="end"></param>
/// <param name="language"></param>
/// <param name="useHighway"></param>
/// <returns></returns>
internal string MakeRouteUrl(PointLatLng start, PointLatLng end, string language, bool avoidHighways)
{
string highway = avoidHighways ? "&mra=ls&dirflg=h" : string.Empty;
return string.Format("http://maps.google.com/maps?f=q&output=dragdir&doflg=p&hl={0}{1}&q=&saddr=@{2},{3}&daddr=@{4},{5}", language, highway, start.Lat.ToString(CultureInfo.InvariantCulture), start.Lng.ToString(CultureInfo.InvariantCulture), end.Lat.ToString(CultureInfo.InvariantCulture), end.Lng.ToString(CultureInfo.InvariantCulture));
}
/// <summary>
/// makes url for reverse geocoder
/// </summary>
/// <param name="pt"></param>
/// <returns></returns>
internal string MakeReverseGeocoderUrl(PointLatLng pt, string language)
{
return string.Format("http://maps.google.com/maps/geo?hl={0}&ll={1},{2}&output=csv", language, pt.Lat.ToString(CultureInfo.InvariantCulture), pt.Lng.ToString(CultureInfo.InvariantCulture));
}
/// <summary>
/// get pixel coordinates from lat/lng
/// </summary>
/// <param name="p"></param>
/// <param name="zoom"></param>
/// <returns></returns>
public Point FromLatLngToPixel(PointLatLng p, int zoom)
{
return FromLatLngToPixel(p.Lat, p.Lng, zoom);
}
