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PostGIS is an extension for the PostgreSQL object-relational database that adds support for geographic objects.
0
votes
UpdateGeometrySRID and ST_Transform are the same thing?
The "ST_UpdateGeometrySRID" function transfers the the spatial reference system of you data into another coordinate system and then UPDATE the geometry column of the existing table, which means it wou …
6
votes
Convert geometry to latitude-longitude using PostGIS ST_Transform
Try this below. ST_AsText returns the well-known text. ST_X and ST_Y return the actual longitude and latitude (assuming geom is in the appropriate SRS).
SELECT ST_AsText(geom), ST_X(geom), ST_Y(ge …
7
votes
1
answer
7k
views
Get the width and height of a rectangular polygon in PostGIS
33.7130048820001,
-117.536012078 34.3860049530001,
-116.825011941 34.3860049530001,
-116.825011941 33.7130048820001,
-117.536012078 33.7130048820001))
Is there any way in PostGIS …