擷取兩個H3格網之間的路徑。
文法
setof h3grid ST_GridPath(h3grid start, h3grid end);參數
參數名稱 | 描述 |
start | 起始h3grid網格對象。 |
end | 終止h3grid網格對象。 |
樣本
SELECT ST_GridPath(st_h3fromlatlng(25.1,123.1,8),st_h3fromlatlng(25.2,123.2,8));
st_gridpath
------------------------
010100FFFF1F63C5BA8408
010100FFFFBF63C5BA8408
010100FFFF7F61C5BA8408
010100FFFF3F61C5BA8408
010100FFFFDF6CC5BA8408
010100FFFF1F6CC5BA8408
010100FFFFBF6CC5BA8408
010100FFFF7F93C1BA8408
010100FFFF3F93C1BA8408
010100FFFFDF9EC1BA8408
010100FFFF9F9EC1BA8408
010100FFFF5F9CC1BA8408
010100FFFF1F9CC1BA8408
010100FFFF3F9CC1BA8408
010100FFFFDF9DC1BA8408
010100FFFF9F9DC1BA8408
010100FFFF5F8EC1BA8408
010100FFFF1F8EC1BA8408
(18 rows)