st_setsrid
SELECT CAST(ST_SetSRID( ST_Point( -71.104, 42.315), 4326) AS geography);. PostgreSQL also provides the :: short-hand for casting. SELECT ST_SetSRID( ... ,ST_SetSRID. Signatures. GEOMETRY ST_SetSRID(GEOMETRY geom, INT srid);. Description. Returns a copy of geom with spatial reference id set to srid .
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 st_setsrid 相關參考資料
PostGIS — ST_Transform and ST_SetSRID: To project or not ...
People often get confused between the ST_Transform and ST_SetSRID functions. ST_SetSRID doesn't change the coordinates but adds meta ... https://postgis.net ST_Point - PostGIS
SELECT CAST(ST_SetSRID( ST_Point( -71.104, 42.315), 4326) AS geography);. PostgreSQL also provides the :: short-hand for casting. SELECT ST_SetSRID( ... https://postgis.net ST_SetSRID - H2GIS
ST_SetSRID. Signatures. GEOMETRY ST_SetSRID(GEOMETRY geom, INT srid);. Description. Returns a copy of geom with spatial reference id set to srid . http://www.h2gis.org ST_SetSRID - PostGIS
This function does not transform the geometry coordinates in any way - it simply sets the meta data defining the spatial reference system the geometry is ... https://postgis.net ST_SetSRID(geometry, srid) - PostGIS
沒有這個頁面的資訊。瞭解原因 http://postgis.org ST_SRID - PostGIS
See Also. Section 4.3.1, “The SPATIAL_REF_SYS Table and Spatial Reference Systems”, ST_GeomFromText, ST_SetSRID, ST_Transform ... https://postgis.net UpdateGeometrySRID - PostGIS
ALTER TABLE roads ALTER COLUMN geom TYPE geometry(MULTILINESTRING, 4326) USING ST_SetSRID(geom,4326);. If you got the projection wrong (or ... https://postgis.net |