判斷兩個pcpatch對象的外包框是否相交。
語法
boolean ST_intersects(pcpatch pp1, pcpatch pp2);
boolean ST_intersects(geometry g, pcpatch pp1);
參數
參數名稱 | 描述 |
---|---|
pp1 | pcpatch對象1。 |
pp2 | pcpatch對象2。 |
g | ganos geometry的geometry對象。 |
示例
-- Patch should intersect itself
SELECT ST_Intersects(
'01010000000000000001000000C8CEFFFFF8110000102700000A00'::pcpatch,
'01010000000000000001000000C8CEFFFFF8110000102700000A00'::pcpatch);
------------------------
t
SELECT ST_Intersects('SRID=4326;POINT(-126.451 45.552)'::geometry, pa) FROM patches WHERE id = 7;
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t