PostGIS

~

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7.10.1. Bounding Box Operators

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Name

~ — Returns TRUE if A’s bounding box contains B’s.

Synopsis

boolean +`*`~`*`(` geometry `+A , geometry B );

Description

The ~ operator returns TRUE if the bounding box of geometry A completely contains the bounding box of geometry B.

Note

This operand will make use of any indexes that may be available on the geometries.

Examples

SELECT tbl1.column1, tbl2.column1, tbl1.column2 ~ tbl2.column2 AS contains
FROM
  ( VALUES
    (1, 'LINESTRING (0 0, 3 3)'::geometry)) AS tbl1,
  ( VALUES
    (2, 'LINESTRING (0 0, 4 4)'::geometry),
    (3, 'LINESTRING (1 1, 2 2)'::geometry),
    (4, 'LINESTRING (0 0, 3 3)'::geometry)) AS tbl2;

 column1 | column1 | contains
---------+---------+----------
       1 |       2 | f
       1 |       3 | t
       1 |       4 | t
(3 rows)

See Also

@, &&

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