&&& — 如果 A 的 n 维边界框与 B 的 n 维边界框相交,则返回 TRUE。
boolean &&&( geometry A , geometry B );
&&&运算符返回TRUE,如果 A 的 n 维边界框与 B 的 n 维边界框相交。
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该操作符将利用几何上可能可用的任何索引。 |
可用性: 2.0.0
此方法支持圆形字符串和曲线。
该函数支持多面体曲面。
此函数支持三角形和不规则三角网面 (TIN)。
该函数支持 3d 并且不会丢失 z-index。
SELECT tbl1.column1, tbl2.column1, tbl1.column2 &&& tbl2.column2 AS overlaps_3d,
tbl1.column2 && tbl2.column2 AS overlaps_2d
FROM ( VALUES
(1, 'LINESTRING Z(0 0 1, 3 3 2)'::geometry),
(2, 'LINESTRING Z(1 2 0, 0 5 -1)'::geometry)) AS tbl1,
( VALUES
(3, 'LINESTRING Z(1 2 1, 4 6 1)'::geometry)) AS tbl2;
column1 | column1 | overlaps_3d | overlaps_2d
---------+---------+-------------+-------------
1 | 3 | t | t
2 | 3 | f | t
SELECT tbl1.column1, tbl2.column1, tbl1.column2 &&& tbl2.column2 AS overlaps_3zm,
tbl1.column2 && tbl2.column2 AS overlaps_2d
FROM ( VALUES
(1, 'LINESTRING M(0 0 1, 3 3 2)'::geometry),
(2, 'LINESTRING M(1 2 0, 0 5 -1)'::geometry)) AS tbl1,
( VALUES
(3, 'LINESTRING M(1 2 1, 4 6 1)'::geometry)) AS tbl2;
column1 | column1 | overlaps_3zm | overlaps_2d
---------+---------+-------------+-------------
1 | 3 | t | t
2 | 3 | f | t