public PointLatLng?GetPoint(Placemark placemark, out GeocoderStatusCode status)
{
List <PointLatLng> pointList;
status = GetPoints(placemark, out pointList);
return(pointList != null && pointList.Count > 0 ? pointList[0] : (PointLatLng?)null);
}
public PointLatLng?GetPoint(string keywords, out GeocoderStatusCode status)
{
List <PointLatLng> pointList;
status = GetPoints(keywords, out pointList);
return(pointList != null && pointList.Count > 0 ? pointList[0] : (PointLatLng?)null);
}
public PointLatLng?GetPoint(Placemark placemark, out GeocoderStatusCode status)
{
List <PointLatLng> pointList;
status = GetLatLngFromGeocoderUrl(MakeGeocoderDetailedUrl(placemark), out pointList);
return(pointList != null && pointList.Count > 0 ? pointList[0] : (PointLatLng?)null);
}
private void txtPlace_KeyPress(object sender, KeyPressEventArgs e)
{
if ((Keys)e.KeyChar == Keys.Enter)
{
GeocoderStatusCode status = fMapBrowser.MapControl.SetPositionByKeywords(txtPlace.Text);
if (status != GeocoderStatusCode.Success)
{
MessageBox.Show("Geocoder can't find: '" + txtPlace.Text + "', reason: " + status, @"GKMap", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}
}
public Placemark?GetPlacemark(PointLatLng location, out GeocoderStatusCode status)
{
//http://nominatim.openstreetmap.org/reverse?format=xml&lat=52.5487429714954&lon=-1.81602098644987&zoom=18&addressdetails=1
#region -- response --
/*
* <reversegeocode timestamp="Wed, 01 Feb 12 09:51:11 -0500" attribution="Data Copyright OpenStreetMap Contributors, Some Rights Reserved. CC-BY-SA 2.0." querystring="format=xml&lat=52.5487429714954&lon=-1.81602098644987&zoom=18&addressdetails=1">
* <result place_id="2061235282" osm_type="way" osm_id="90394420" lat="52.5487800131654" lon="-1.81626922291265">
* 137, Pilkington Avenue, Castle Vale, City of Birmingham, West Midlands, England, B72 1LH, United Kingdom
* </result>
* <addressparts>
* <house_number>
* 137
* </house_number>
* <road>
* Pilkington Avenue
* </road>
* <suburb>
* Castle Vale
* </suburb>
* <city>
* City of Birmingham
* </city>
* <county>
* West Midlands
* </county>
* <state_district>
* West Midlands
* </state_district>
* <state>
* England
* </state>
* <postcode>
* B72 1LH
* </postcode>
* <country>
* United Kingdom
* </country>
* <country_code>
* gb
* </country_code>
* </addressparts>
* </reversegeocode>
*/
#endregion
return(GetPlacemarkFromReverseGeocoderUrl(MakeReverseGeocoderUrl(location), out status));
}
private Placemark?GetPlacemarkFromReverseGeocoderUrl(string url, out GeocoderStatusCode status)
{
status = GeocoderStatusCode.Unknown;
Placemark?ret = null;
try {
string geo = GMaps.Instance.GetContent(url, CacheType.PlacemarkCache);
bool cache = false;
if (string.IsNullOrEmpty(geo))
{
geo = GetContentUsingHttp(url);
if (!string.IsNullOrEmpty(geo))
{
cache = true;
}
}
if (!string.IsNullOrEmpty(geo))
{
if (geo.StartsWith("<?xml") && geo.Contains("<result"))
{
if (cache)
{
GMaps.Instance.SaveContent(url, CacheType.PlacemarkCache, geo);
}
XmlDocument doc = new XmlDocument();
doc.LoadXml(geo);
XmlNode r = doc.SelectSingleNode("/reversegeocode/result");
if (r != null)
{
var p = new Placemark(r.InnerText);
XmlNode ad = doc.SelectSingleNode("/reversegeocode/addressparts");
if (ad != null)
{
var vl = ad.SelectSingleNode("country");
if (vl != null)
{
p.CountryName = vl.InnerText;
}
vl = ad.SelectSingleNode("country_code");
if (vl != null)
{
p.CountryNameCode = vl.InnerText;
}
vl = ad.SelectSingleNode("postcode");
if (vl != null)
{
p.PostalCodeNumber = vl.InnerText;
}
vl = ad.SelectSingleNode("state");
if (vl != null)
{
p.AdministrativeAreaName = vl.InnerText;
}
vl = ad.SelectSingleNode("region");
if (vl != null)
{
p.SubAdministrativeAreaName = vl.InnerText;
}
vl = ad.SelectSingleNode("suburb");
if (vl != null)
{
p.LocalityName = vl.InnerText;
}
vl = ad.SelectSingleNode("road");
if (vl != null)
{
p.ThoroughfareName = vl.InnerText;
}
}
ret = p;
status = GeocoderStatusCode.Success;
}
}
}
} catch (Exception ex) {
ret = null;
status = GeocoderStatusCode.ExceptionInCode;
Debug.WriteLine("GetPlacemarkFromReverseGeocoderUrl: " + ex);
}
return(ret);
}
public Placemark?GetPlacemark(PointLatLng location, out GeocoderStatusCode status)
{
// http://msdn.microsoft.com/en-us/library/ff701713.aspx
throw new NotImplementedException();
}
