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ST_intersects

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判断两个pcpatch对象的外包框是否相交。

语法

boolean ST_intersects(pcpatch pp1, pcpatch pp2);
boolean ST_intersects(geometry g,  pcpatch pp1);

参数

参数名称

描述

pp1

pcpatch对象1。

pp2

pcpatch对象2。

g

ganos geometry的geometry对象。

示例

-- Patch should intersect itself
SELECT ST_Intersects(
         '01010000000000000001000000C8CEFFFFF8110000102700000A00'::pcpatch,
         '01010000000000000001000000C8CEFFFFF8110000102700000A00'::pcpatch);
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t

SELECT ST_Intersects('SRID=4326;POINT(-126.451 45.552)'::geometry, pa) FROM patches WHERE id = 7;
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t
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