public void TestSetSphericalTrue()
{
var options = GeoNearOptions.SetSpherical(true);
var expected = "{ 'spherical' : true }".Replace("'", "\"");
Assert.AreEqual(expected, options.ToJson());
}
public void TestSetSphericalFalse()
{
var options = GeoNearOptions.SetSpherical(false);
var expected = "{ }";
Assert.AreEqual(expected, options.ToJson());
}
public void TestGeoNearSphericalTrue()
{
if (collection.Exists())
{
collection.Drop();
}
collection.Insert(new Place {
Location = new[] { -74.0, 40.74 }, Name = "10gen", Type = "Office"
});
collection.Insert(new Place {
Location = new[] { -75.0, 40.74 }, Name = "Two", Type = "Coffee"
});
collection.Insert(new Place {
Location = new[] { -74.0, 41.73 }, Name = "Three", Type = "Coffee"
});
collection.CreateIndex(IndexKeys.GeoSpatial("Location"));
var options = GeoNearOptions.SetSpherical(true);
var result = collection.GeoNearAs <Place>(Query.Null, -74.0, 40.74, 100, options);
Assert.IsTrue(result.Ok);
Assert.AreEqual("onlinetests.testcollection", result.Namespace);
Assert.IsTrue(result.Stats.AverageDistance >= 0.0);
Assert.IsTrue(result.Stats.BTreeLocations >= 0);
Assert.IsTrue(result.Stats.Duration >= TimeSpan.Zero);
Assert.IsTrue(result.Stats.MaxDistance >= 0.0);
Assert.IsTrue(result.Stats.NumberScanned >= 0);
Assert.IsTrue(result.Stats.ObjectsLoaded >= 0);
Assert.AreEqual(3, result.Hits.Count);
var hit0 = result.Hits[0];
Assert.IsTrue(hit0.Distance == 0.0);
Assert.AreEqual(-74.0, hit0.RawDocument["Location"].AsBsonArray[0].AsDouble);
Assert.AreEqual(40.74, hit0.RawDocument["Location"].AsBsonArray[1].AsDouble);
Assert.AreEqual("10gen", hit0.RawDocument["Name"].AsString);
Assert.AreEqual("Office", hit0.RawDocument["Type"].AsString);
// with spherical true "Two" is considerably closer than "Three"
var hit1 = result.Hits[1];
Assert.IsTrue(hit1.Distance > 0.0);
Assert.AreEqual(-75.0, hit1.RawDocument["Location"].AsBsonArray[0].AsDouble);
Assert.AreEqual(40.74, hit1.RawDocument["Location"].AsBsonArray[1].AsDouble);
Assert.AreEqual("Two", hit1.RawDocument["Name"].AsString);
Assert.AreEqual("Coffee", hit1.RawDocument["Type"].AsString);
var hit2 = result.Hits[2];
Assert.IsTrue(hit2.Distance > 0.0);
Assert.IsTrue(hit2.Distance > hit1.Distance);
Assert.AreEqual(-74.0, hit2.RawDocument["Location"].AsBsonArray[0].AsDouble);
Assert.AreEqual(41.73, hit2.RawDocument["Location"].AsBsonArray[1].AsDouble);
Assert.AreEqual("Three", hit2.RawDocument["Name"].AsString);
Assert.AreEqual("Coffee", hit2.RawDocument["Type"].AsString);
}
public GeoNearResult <Station> GetNearbyStations(double latitude, double longitude, double range, string measurement, int maxItems)
{
var radians = measurement == Measurement.Kilometers ? EarthRadians.Kilometers: EarthRadians.Miles;
var server = MongoServer.Create(Settings.TidesMongoConnection);
server.Connect();
var stationsCollection = server[DatabaseNames.Tides][TidesCollectionNames.Stations];
var result = stationsCollection.GeoNearAs <Station>(Query.EQ("IsComplete", true), longitude, latitude, maxItems, GeoNearOptions.SetSpherical(true).SetMaxDistance(range).SetDistanceMultiplier(range / radians));
server.Disconnect();
return(result);
}