public RadialSearchRequest(string url, float radius, Location location) : base(url, "radial_search")
{
this.Parameters.Add("component", GetRequestAbstract.RequestComponents);
this.Parameters.Add("lat", location.Latitude.ToString(FormatFloat));
this.Parameters.Add("lon", location.Longitude.ToString(FormatFloat));
this.Parameters.Add("radius", radius.ToString());
}
public BBoxSearchRequest(string url, Location northWest, Location southEast) : base(url, "bbox_search.php")
{
Parameters.Add("component", GetRequestAbstract.RequestComponents);
Parameters.Add("north", northWest.Latitude.ToString(FormatFloat));
Parameters.Add("west", northWest.Longitude.ToString(FormatFloat));
Parameters.Add("south", southEast.Latitude.ToString(FormatFloat));
Parameters.Add("east", southEast.Longitude.ToString(FormatFloat));
}
public BBoxSearchRequest(string url, Location northWest, Location southEast, int maxResults) : this(url, northWest, southEast)
{
Parameters.Add("max_results", maxResults.ToString());
}
/// <summary>
/// Gets the distance in Kilometers between two Locations
/// </summary>
/// <param name="p1">Location 1</param>
/// <param name="p2">Location 2</param>
public static double Distance (Location p1, Location p2)
{
double R = 6371.0; // earth mean radius
double t1 = Degree2Radian (p1.Latitude);
double t2 = Degree2Radian (p2.Latitude);
double dt = Degree2Radian (p2.Latitude - p1.Latitude);
double ds = Degree2Radian (p2.Longitude - p1.Longitude);
double a = Math.Sin (dt / 2.0) * Math.Sin (dt / 2.0) +
Math.Cos (t1) * Math.Cos (t2) *
Math.Sin (ds / 2.0) * Math.Sin (ds / 2.0);
double c = 2.0 * Math.Atan2 (Math.Sqrt (a), Math.Sqrt (1.0 - a));
return R * c;
}
public void TestLocation ()
{
var location = new Location (52.365299224853516, 9.6899404525756836, 0);
string jsonLocation = @"{""wgs84"":{""latitude"":52.365299224853516,""longitude"":9.6899404525756836}}";
var locationObject = MiniJSON.Json.Deserialize (jsonLocation);
var locationDeserialized = new Location (locationObject);
Assert.AreEqual (locationDeserialized, location);
var locationSerialized = location.ToDictionary ();
var locationJsonSerialized = MiniJSON.Json.Serialize (locationSerialized);
Assert.AreEqual (jsonLocation, locationJsonSerialized);
}
public RadialSearchRequest(string url, float radius, Location location, string category) : this(url, radius, location)
{
this.Parameters.Add("category", category);
}
public RadialSearchRequest(string url, float radius, Location location, int maxResults) : this(url, radius, location)
{
this.Parameters.Add("max_results", maxResults.ToString());
}
/// <summary>
/// Radial search of PoIs around a location coordinates
/// </summary>
/// <returns>The search results as a list of PoI</returns>
/// <param name="l">Location (lat, lon)</param>
/// <param name="radius">Radius of the search</param>
/// <param name="category">category filter</param>
public PoIInfoList RadialSearch (Location l, float radius, string category)
{
string request = new RadialSearchRequest(_poiUrl, radius, l, category);
return GetPoIList(request);
}
/// <summary>
/// Radial search of PoIs around a location coordinates
/// </summary>
/// <returns>The search results as a list of PoI</returns>
/// <param name="l">Location (lat, lon)</param>
/// <param name="radius">Radius of the search</param>
/// <param name="maxResults">Max results</param>
public PoIInfoList RadialSearch (Location l, float radius, int maxResults)
{
string request = new RadialSearchRequest(_poiUrl, radius, l, maxResults);
return GetPoIList(request);
}
/// <summary>
/// Bounding box search
/// </summary>
/// <returns>The list of pois found</returns>
/// <param name="northWest">North west corner</param>
/// <param name="southEast">South east corner</param>
/// <param name="maxResults">Max results</param>
public PoIInfoList BBoxSearch(Location northWest, Location southEast, int maxResults)
{
string request = new BBoxSearchRequest(_poiUrl, northWest, southEast, maxResults);
return GetPoIList(request);
}
