example-Geohash.cs 1.33 KB
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using System;
using NETGeographicLib;

namespace example_Geohash
{
    class Program
    {
        static void Main(string[] args)
        {
            try {
                {
                    // Sample forward calculation
                    double lat = 57.64911, lon = 10.40744; // Jutland (the wikipedia example)
                    string geohash;
                    int maxlen = Geohash.GeohashLength(1.0e-5);
                    for (int len = 0; len <= maxlen; ++len) {
                        Geohash.Forward(lat, lon, len, out geohash);
                        Console.WriteLine( geohash );
                    }
                }
                {
                    // Sample reverse calculation
                    string geohash = "u4pruydqqvj";
                    double lat, lon;
                    for (int i = 0; i <= geohash.Length; ++i) {
                        int len;
                        Geohash.Reverse(geohash.Substring(0, i), out lat, out lon, out len, true);
                        Console.WriteLine(String.Format("Length: {0} Latitude: {1} Longitude: {2}", len, lat, lon ) );
                    }
                }
            }
            catch (GeographicErr e) {
                Console.WriteLine(String.Format("Caught exception: {0}", e.Message));
            }
        }
    }
}