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namespace GMap.NET.MapProviders
{
   using System;

   /// <summary>
   /// NearSatelliteMap provider - http://www.nearmap.com/
   /// </summary>
   public class NearSatelliteMapProvider : NearMapProviderBase
   {
      public static readonly NearSatelliteMapProvider Instance;

      NearSatelliteMapProvider()
      {
      }

      static NearSatelliteMapProvider()
      {
         Instance = new NearSatelliteMapProvider();
      }

      #region GMapProvider Members

      readonly Guid id = new Guid("56D00148-05B7-408D-8F7A-8D7250FF8121");
      public override Guid Id
      {
         get
         {
            return id;
         }
      }

      readonly string name = "NearSatelliteMap";
      public override string Name
      {
         get
         {
            return name;
         }
      }

      public override PureImage GetTileImage(GPoint pos, int zoom)
      {
         string url = MakeTileImageUrl(pos, zoom, LanguageStr);

         return GetTileImageUsingHttp(url);
      }

      #endregion

      string MakeTileImageUrl(GPoint pos, int zoom, string language)
      {
         // http://web2.nearmap.com/maps/hl=en&x=14&y=8&z=5&nml=Vert&s=kdj00
         // http://web2.nearmap.com/maps/hl=en&x=6&y=4&z=4&nml=Vert
         // http://web2.nearmap.com/maps/hl=en&x=3&y=1&z=3&nml=Vert&s=2edd
         // http://web0.nearmap.com/maps/hl=en&x=69&y=39&z=7&nml=Vert&s=z80wiTM

         return string.Format(UrlFormat, GetServerNum(pos, 4), pos.X, pos.Y, zoom, GetSafeString(pos));
      }

      static readonly string UrlFormat = "http://web{0}.nearmap.com/maps/hl=en&x={1}&y={2}&z={3}&nml=Vert{4}";
   }
}