public GeocodingResult ReverseGecode_OSM(double latitude, double longitude, ReferenceDataManager refDataManager)
{
GeocodingResult result = new GeocodingResult();
result.Service = "Nominatim OSM";
string url = $"https://nominatim.openstreetmap.org/reverse?format=json&lat={latitude}&lon={longitude}&zoom=18&addressdetails=1";
if (IncludeQueryURL)
{
result.QueryURL = url;
}
string data = "";
try
{
WebClient client = new WebClient();
client.Headers.Add("User-Agent", "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/21.0.1180.89 Safari/537.1");
client.Encoding = Encoding.GetEncoding("UTF-8");
data = client.DownloadString(url);
/* e.g.:
* {
* "place_id": 101131804,
* "licence": "Data © OpenStreetMap contributors, ODbL 1.0. https://osm.org/copyright",
* "osm_type": "way",
* "osm_id": 61267076,
* "lat": "-32.1685328505288",
* "lon": "115.9882328723638",
* "display_name": "Eleventh Road, Haynes, Armadale, Western Australia, 6112, Australia",
* "address": {
* "road": "Eleventh Road",
* "suburb": "Haynes",
* "town": "Armadale",
* "state": "Western Australia",
* "postcode": "6112",
* "country": "Australia",
* "country_code": "au"
* },
* "boundingbox": [
* "-32.1689883",
* "-32.1619497",
* "115.9805577",
* "115.9887699"
* ]
* }
* */
if (IncludeExtendedData)
{
result.ExtendedData = data;
}
else
{
System.Diagnostics.Debug.WriteLine(data);
}
if (data == "{}")
{
System.Diagnostics.Debug.WriteLine("No geocoding results:" + url);
result.ResultsAvailable = false;
}
else
{
JObject o = JObject.Parse(data);
var item = o["address"];
result.AddressInfo = new AddressInfo();
result.AddressInfo.Title = item["road"]?.ToString();
result.AddressInfo.Postcode = item["postcode"]?.ToString();
result.AddressInfo.AddressLine1 = item["road"]?.ToString();
result.AddressInfo.AddressLine2 = item["suburb"]?.ToString();
result.AddressInfo.Town = item["town"]?.ToString();
result.AddressInfo.StateOrProvince = item["state"]?.ToString();
var countryCode = item["country_code"]?.ToString();
var country = refDataManager.GetCountryByISO(countryCode);
if (country != null)
{
result.AddressInfo.CountryID = country.ID;
}
result.Latitude = latitude;
result.Longitude = longitude;
result.Attribution = "Data © OpenStreetMap contributors, ODbL 1.0. https://osm.org/copyright";
result.AddressInfo.Latitude = latitude;
result.AddressInfo.Longitude = longitude;
result.ResultsAvailable = true;
}
}
catch (Exception)
{
//
}
return(result);
}
public GeocodingResult ReverseGecode_MapquestOSM(double latitude, double longitude, ReferenceDataManager refDataManager)
{
GeocodingResult result = new GeocodingResult();
result.Service = "MapQuest Open";
string url = "http://open.mapquestapi.com/geocoding/v1/reverse?location=" + latitude + "," + longitude + "&key=" + _settings.ApiKeys.MapQuestOpenAPIKey;
if (IncludeQueryURL)
{
result.QueryURL = url;
}
string data = "";
try
{
WebClient client = new WebClient();
client.Headers.Add("User-Agent", "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/21.0.1180.89 Safari/537.1");
client.Encoding = Encoding.GetEncoding("UTF-8");
data = client.DownloadString(url);
if (IncludeExtendedData)
{
result.ExtendedData = data;
}
else
{
System.Diagnostics.Debug.WriteLine(data);
}
if (data == "[]")
{
System.Diagnostics.Debug.WriteLine("No geocoding results:" + url);
result.ResultsAvailable = false;
}
else
{
JObject o = JObject.Parse(data);
var locations = o["results"][0]["locations"];
if (locations.Any())
{
var item = o["results"][0]["locations"][0];
result.AddressInfo = new AddressInfo();
result.AddressInfo.Title = item["street"]?.ToString();
result.AddressInfo.Postcode = item["postalCode"]?.ToString();
result.AddressInfo.AddressLine1 = item["street"]?.ToString();
if (item["adminArea5Type"]?.ToString() == "City")
{
result.AddressInfo.Town = item["adminArea5"]?.ToString();
}
if (item["adminArea3Type"]?.ToString() == "State")
{
result.AddressInfo.StateOrProvince = item["adminArea3"]?.ToString();
}
if (item["adminArea3Type"]?.ToString() == "State")
{
result.AddressInfo.StateOrProvince = item["adminArea3"]?.ToString();
}
if (item["adminArea1Type"]?.ToString() == "Country")
{
var countryCode = item["adminArea1"]?.ToString();
var country = refDataManager.GetCountryByISO(countryCode);
if (country != null)
{
result.AddressInfo.CountryID = country.ID;
}
}
result.Latitude = latitude;
result.Longitude = longitude;
result.Attribution = "Portions © OpenStreetMap contributors"; // using mapquest open so results are from OSM
result.AddressInfo.Latitude = latitude;
result.AddressInfo.Longitude = longitude;
result.ResultsAvailable = true;
}
else
{
result.ResultsAvailable = false;
}
}
}
catch (Exception)
{
//
}
return(result);
}
