public virtual void TestDecodeImpreciseLongitudeLatitude()
{
string hash = GeohashUtils.EncodeLatLon(84.6, 10.5);
IPoint point = GeohashUtils.Decode(hash, ctx);
CustomAssert.EqualWithDelta(84.6, point.Y, 0.00001D);
CustomAssert.EqualWithDelta(10.5, point.X, 0.00001D);
}
public virtual void TestDecodePreciseLongitudeLatitude()
{
string hash = GeohashUtils.EncodeLatLon(52.3738007, 4.8909347);
IPoint point = GeohashUtils.Decode(hash, ctx);
CustomAssert.EqualWithDelta(52.3738007, point.Y, 0.00001D);
CustomAssert.EqualWithDelta(4.8909347, point.X, 0.00001D);
}
public virtual void TestEncode()
{
string hash = GeohashUtils.EncodeLatLon(42.6, -5.6);
Assert.Equal("ezs42e44yx96", hash);
hash = GeohashUtils.EncodeLatLon(57.64911, 10.40744);
Assert.Equal("u4pruydqqvj8", hash);
}
public virtual void TestHashLenToWidth()
{
//test odd & even len
double[] boxOdd = GeohashUtils.LookupDegreesSizeForHashLen(3);
CustomAssert.EqualWithDelta(1.40625, boxOdd[0], 0.0001);
CustomAssert.EqualWithDelta(1.40625, boxOdd[1], 0.0001);
double[] boxEven = GeohashUtils.LookupDegreesSizeForHashLen(4);
CustomAssert.EqualWithDelta(0.1757, boxEven[0], 0.0001);
CustomAssert.EqualWithDelta(0.3515, boxEven[1], 0.0001);
}
public virtual void TestLookupHashLenForWidthHeight()
{
Assert.Equal(1, GeohashUtils.LookupHashLenForWidthHeight(999, 999));
Assert.Equal(1, GeohashUtils.LookupHashLenForWidthHeight(999, 46));
Assert.Equal(1, GeohashUtils.LookupHashLenForWidthHeight(46, 999));
Assert.Equal(2, GeohashUtils.LookupHashLenForWidthHeight(44, 999));
Assert.Equal(2, GeohashUtils.LookupHashLenForWidthHeight(999, 44));
Assert.Equal(2, GeohashUtils.LookupHashLenForWidthHeight(999, 5.7));
Assert.Equal(2, GeohashUtils.LookupHashLenForWidthHeight(11.3, 999));
Assert.Equal(3, GeohashUtils.LookupHashLenForWidthHeight(999, 5.5));
Assert.Equal(3, GeohashUtils.LookupHashLenForWidthHeight(11.1, 999));
Assert.Equal(GeohashUtils.MAX_PRECISION, GeohashUtils.LookupHashLenForWidthHeight(10e-20, 10e-20));
}
public virtual void TestDecodeEncode()
{
string geoHash = "u173zq37x014";
Assert.Equal(geoHash, GeohashUtils.EncodeLatLon(52.3738007, 4.8909347));
IPoint point = GeohashUtils.Decode(geoHash, ctx);
CustomAssert.EqualWithDelta(52.37380061d, point.Y, 0.000001d);
CustomAssert.EqualWithDelta(4.8909343d, point.X, 0.000001d);
Assert.Equal(geoHash, GeohashUtils.EncodeLatLon(point.Y, point.X));
geoHash = "u173";
point = GeohashUtils.Decode("u173", ctx);
geoHash = GeohashUtils.EncodeLatLon(point.Y, point.X);
IPoint point2 = GeohashUtils.Decode(geoHash, ctx);
CustomAssert.EqualWithDelta(point.Y, point2.Y, 0.000001d);
CustomAssert.EqualWithDelta(point.X, point2.X, 0.000001d);
}