public ulong EncodeLngLat(double lat, double lng)
{
var morton = new Morton2D();
var L = EncodeLngLat(lng);
var B = EncodeLngLat(lat);
return(morton.Magicbits(L, B));
}
public void DecodeLngLat(ulong code, ref double lat, ref double lng)
{
var morton = new Morton2D();
uint L = 0; // 横轴
uint B = 0; // 竖轴
morton.Magicbits(code, ref L, ref B);
lng = new LngLatSegments(L, true).Degree;
lat = new LngLatSegments(B, false).Degree;
}
public void DecodeLngLat(UInt64 code, ref double lat, ref double lng)
{
var morton = new Morton2D();
UInt32 L = 0; // 横轴
UInt32 B = 0; // 竖轴
morton.Magicbits(code, ref L, ref B);
lng = new LngLatSegments(L, true).Degree;
lat = new LngLatSegments(B, false).Degree;
}
/// <summary>
/// 构造函数
/// </summary>
/// <param name="code">SOT一维编码</param>
public Tile(string code)
{
ulong id = 0L;
var level = 0;
foreach (var c in code)
{
if (char.IsDigit(c))
{
var v = DecodeChar(c);
var shift = ((31 - level) * 2);
id = id | ((ulong)v << shift);
level++;
}
}
var morton = new Morton2D();
uint l = 0;
uint b = 0;
morton.Magicbits(id, ref l, ref b);
this.Level = level;
this.Corner = new LngLat(b, l);
}