GeoLocation RSS

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  sanalpulikka...

  Member

  87 Points

  44 Posts

  GeoLocation

  Apr 05, 2012 04:58 AM|LINK

  Hi ,

  How can i get GeoLocation street address when pass parameters value Latitude and Longtitude with C# code?

  regards

  Sanal PS

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  sanalpulikka...

  Member

  87 Points

  44 Posts

  Re: GeoLocation

  Apr 05, 2012 07:24 AM|LINK

  
  using System;
  using System.Threading;
  using System.Collections.Generic;
  using System.Linq;
  using System.Text;
  using System.Web;
  using System.Xml;
  using System.Xml.XPath;
  
  namespace ReverseGeoLookup
  {
   // http://code.google.com/apis/maps/documentation/geocoding/#ReverseGeocoding
      public static string ReverseGeoLoc(string longitude, string latitude,
          out string Address_ShortName,
          out string Address_country,
          out string Address_administrative_area_level_1,
          out string Address_administrative_area_level_2,
          out string Address_administrative_area_level_3,
          out string Address_colloquial_area,
          out string Address_locality,
          out string Address_sublocality,
          out string Address_neighborhood)
      {
  
          Address_ShortName = "";
          Address_country = "";
          Address_administrative_area_level_1 = "";
          Address_administrative_area_level_2 = "";
          Address_administrative_area_level_3 = "";
          Address_colloquial_area = "";
          Address_locality = "";
          Address_sublocality = "";
          Address_neighborhood = "";
  
          XmlDocument doc = new XmlDocument();
  
          try
          {
              doc.Load("http://maps.googleapis.com/maps/api/geocode/xml?latlng=" + latitude + "," + longitude + "&sensor=false");
              XmlNode element = doc.SelectSingleNode("//GeocodeResponse/status");
              if (element.InnerText == "ZERO_RESULTS")
              {
                  return ("No data available for the specified location");
              }
              else
              {
  
                  element = doc.SelectSingleNode("//GeocodeResponse/result/formatted_address");
  
                  string longname="";
                  string shortname="";
                  string typename ="";
                  bool fHit=false;
  
  
                  XmlNodeList xnList = doc.SelectNodes("//GeocodeResponse/result/address_component");
                  foreach (XmlNode xn in xnList)
                  {
                      try
                      {
                          longname = xn["long_name"].InnerText;
                          shortname = xn["short_name"].InnerText;
                          typename = xn["type"].InnerText;
  
  
                          fHit = true;
                          switch (typename)
                          {
                              //Add whatever you are looking for below
                              case "country":
                                  {
                                      Address_country = longname;
                                      Address_ShortName = shortname;
                                      break;
                                  }
  
                              case "locality":
                                  {
                                      Address_locality = longname;
                                      //Address_locality = shortname; //Om Longname visar sig innehålla konstigheter kan man använda shortname istället
                                      break;
                                  }
  
                              case "sublocality":
                                  {
                                      Address_sublocality = longname;
                                      break;
                                  }
  
                              case "neighborhood":
                                  {
                                      Address_neighborhood = longname;
                                      break;
                                  }
  
                              case "colloquial_area":
                                  {
                                      Address_colloquial_area = longname;
                                      break;
                                  }
  
                              case "administrative_area_level_1":
                                  {
                                      Address_administrative_area_level_1 = longname;
                                      break;
                                  }
  
                              case "administrative_area_level_2":
                                  {
                                      Address_administrative_area_level_2 = longname;
                                      break;
                                  }
  
                              case "administrative_area_level_3":
                                  {
                                      Address_administrative_area_level_3 = longname;
                                      break;
                                  }
  
                              default:
                                  fHit = false;
                                  break;
                          }
  
  
                          if (fHit)
                          {
                              Console.Write(typename);
                              Console.ForegroundColor = ConsoleColor.Green;
                              Console.Write("\tL: " + longname + "\tS:" + shortname + "\r\n");
                              Console.ForegroundColor = ConsoleColor.Gray;
                          }
                      }
  
                      catch (Exception e)
                      {
                          //Node missing either, longname, shortname or typename
                          fHit = false;
                          Console.Write(" Invalid data: ");
                          Console.ForegroundColor = ConsoleColor.Red;
                          Console.Write("\tX: " + xn.InnerXml + "\r\n");
                          Console.ForegroundColor = ConsoleColor.Gray;
                      }
  
  
                  }
  
                  //Console.ReadKey();
                  return (element.InnerText);
              }
  
          }
          catch (Exception ex)
          {
              return ("(Address lookup failed: ) " + ex.Message);
          }
          }
  }
  
  
  
  

  • Marked as answer by sanalpulikkal on Apr 05, 2012 07:24 AM