Name
ST_WrapX — X값 근처에서 도형을 래핑합니다.
Synopsis
geometry ST_WrapX(geometry geom, float8 wrap, float8 move);
설명
This function splits the input geometries and then moves every resulting component falling on the right (for negative 'move') or on the left (for positive 'move') of given 'wrap' line in the direction specified by the 'move' parameter, finally re-unioning the pieces together.
![[Note]](../images/note.png)
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이 함수는 경위도 입력물이 한 편에서 다른 편으로 걸쳐 있지 않은 관심 피처를 갖도록 하는 데 유용합니다. |
Availability: 2.3.0 requires GEOS
This function supports 3d and will not drop the z-index.
예시
-- Move all components of the given geometries whose bounding box
-- falls completely on the left of x=0 to +360
select ST_WrapX(geom, 0, 360);
-- Move all components of the given geometries whose bounding box
-- falls completely on the left of x=-30 to +360
select ST_WrapX(geom, -30, 360);