public void GetDistance()
{
var key = "geo_distance";
// 删除已有
_redis.Remove(key);
var geo = new RedisGeo(_redis, key);
// 普通添加
geo.Add("北京", 116.404125, 39.900545);
geo.Add("上海", 121.48789949, 31.24916171);
// 计算两点距离
var d = geo.GetDistance("北京", "上海");
Assert.Equal(1066019.9908, d);
}
public void GetRadiusByMember()
{
var key = "geo_radius_member";
// 删除已有
_redis.Remove(key);
var geo = new RedisGeo(_redis, key);
// 批量添加
var list = new List <GeoInfo>();
for (var i = 0; i < 10; i++)
{
list.Add(new GeoInfo {
Name = "Test" + i, Longitude = i + 0.33, Latitude = i + 0.44
});
}
geo.Add(list.ToArray());
// 按半径查找，指定点半径20000m以内的点
var gis = geo.GetRadius("Test3", 200000);
Assert.Equal(3, gis.Length);
Assert.Equal("Test3", gis[0].Name);
Assert.Equal("Test4", gis[1].Name);
Assert.Equal("Test2", gis[2].Name);
Assert.Equal(0, gis[0].Distance);
Assert.Equal(157111.0190, gis[1].Distance);
Assert.Equal(157193.0930, gis[2].Distance);
// 按半径查找，指定坐标200km以内的2个点
gis = geo.GetRadius("Test3", 200, "km", 2);
Assert.Equal(2, gis.Length);
Assert.Equal("Test3", gis[0].Name);
Assert.Equal("Test4", gis[1].Name);
Assert.Equal(0, gis[0].Distance);
Assert.Equal(157.1110, gis[1].Distance);
}
public void GetRadiusByXY()
{
var key = "geo_radius_xy";
// 删除已有
_redis.Remove(key);
var geo = new RedisGeo(_redis, key);
// 批量添加
var list = new List <GeoInfo>();
for (var i = 0; i < 10; i++)
{
list.Add(new GeoInfo {
Name = "Test" + i, Longitude = i + 0.33, Latitude = i + 0.44
});
}
geo.Add(list.ToArray());
// 按半径查找，指定坐标20000m以内的点
var gis = geo.GetRadius(3.31, 3.45, 200000);
Assert.Equal(3, gis.Length);
Assert.Equal("Test3", gis[0].Name);
Assert.Equal("Test2", gis[1].Name);
Assert.Equal("Test4", gis[2].Name);
Assert.Equal(2483.2078, gis[0].Distance);
Assert.Equal(156427.8334, gis[1].Distance);
Assert.Equal(157907.9298, gis[2].Distance);
// 按半径查找，指定坐标200km以内的2个点
gis = geo.GetRadius(3.31, 3.45, 200, "km", 2);
Assert.Equal(2, gis.Length);
Assert.Equal("Test3", gis[0].Name);
Assert.Equal("Test2", gis[1].Name);
Assert.Equal(2.4832, gis[0].Distance);
Assert.Equal(156.4278, gis[1].Distance);
}
public void Test()
{
var key = "geo";
// 删除已有
_redis.Remove(key);
var geo = new RedisGeo(_redis, key);
// 普通添加
geo.Add("Stone", 12.12, 34.34);
// 批量添加
var list = new List <GeoInfo>();
for (var i = 0; i < 10; i++)
{
list.Add(new GeoInfo {
Name = "Test" + i, Longitude = i + 0.33, Latitude = i + 0.44
});
}
geo.Add(list.ToArray());
// 计算两点距离
var d = geo.GetDistance("Test3", "Test5");
Assert.Equal(314115.9636, d);
// 获取多点坐标
var gis = geo.GetPosition("Test2", "Test4", "Test7");
Assert.Equal(3, gis.Length);
Assert.Equal(233, (Int32)Math.Round(gis[0].Longitude * 100));
Assert.Equal(244, (Int32)Math.Round(gis[0].Latitude * 100));
Assert.Equal(433, (Int32)Math.Round(gis[1].Longitude * 100));
Assert.Equal(444, (Int32)Math.Round(gis[1].Latitude * 100));
Assert.Equal(733, (Int32)Math.Round(gis[2].Longitude * 100));
Assert.Equal(744, (Int32)Math.Round(gis[2].Latitude * 100));
}
public void GetHash()
{
var key = "geo_hash";
// 删除已有
_redis.Remove(key);
var geo = new RedisGeo(_redis, key);
// 普通添加
geo.Add("北京", 116.404125, 39.900545);
geo.Add("上海", 121.48789949, 31.24916171);
// 计算两点距离
var hs = geo.GetHash("北京", "上海");
Assert.Equal(2, hs.Length);
Assert.Equal("wx4fbzdvs80", hs[0]);
Assert.Equal("wtw3u88z910", hs[1]);
}
