CG_Intersection
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Name

CG_Intersection — Computes the intersection of two geometries

Synopsis

geometry CG_Intersection( geometry geomA , geometry geomB );

描述

Computes the intersection of two geometries.

Performed by the SFCGAL module

[Note]

NOTE: this function returns a geometry representing the intersection.

可用性：3.5.0

该方法需要SFCGAL后端。

几何示例

SELECT ST_AsText(CG_Intersection('LINESTRING(0 0, 5 5)', 'LINESTRING(5 0, 0 5)'));
                cg_intersection
                -----------------
                POINT(2.5 2.5)
                (1 row)