1.空间关系如下:
image.png2.取不相交部分
geometry ST_SymDifference(geometry geomA, geometry geomB);
3. 从A取与B不相交部分
geometry ST_Difference(geometry geomA, geometry geomB);
geometry ST_SymDifference(geometry geomA, geometry geomB);
geometry ST_Difference(geometry geomA, geometry geomB);
本文标题:postgis空间关系
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