
How do I add PostGIS to PostgreSQL pgAdmin? - Stack Overflow
Jul 27, 2014 · I've got PostgreSQL and pgAdmin installed, but I want to add a PostGIS server so I could work on a Geographic Informations System project. I'm following this tutorial, which assumes …
installation - Installing PostGIS on Windows - Geographic Information ...
I want to create an application platform based on PostGIS data. I read the documentation where I saw the prerequisite to install GEOS, GDAL and Proj4. The main problem is I am using windows platfor...
PostGIS installation in PostgreSQL 17 - Geographic Information …
Oct 3, 2024 · I want to install PostGIS with the Stack Builder 4.2.1 for PostgreSQL 17. However, I dont have the option of choosing PostGIS. The category "spatial extension" is simply missing. …
Install Postgis in docker container - Stack Overflow
The postgis extension does not come with vanilla postgres, which does ship with a whole bunch of more general purpose extensions, though nothing notable for geospatial.
Remove slivers and gaps in polgons (PostGIS, R QGIS)
Jan 17, 2024 · It's in PostGIS but I'm happy to work in R or QGIS too. I was thinking about snapping each vertex to a 5 m grid but really I want to snap the vertices to the line of the adjacent polygon... or …
How to manage variable geometry objects (point, line, areas) in the ...
Mar 28, 2025 · In PostgreSQL/PostGIS, it seems possible to manage different geometry objects in one table if I don't define a geometry type for the geometry column. However, in QGIS, the table is either …
What is the purpose of PostGIS on PostgreSQL?
Jan 6, 2017 · While PostGIS does have it's own rtree-on-gist implementation it's very similar to the one used by PgSQL for its core support of graphical objects for the simple reason that originally we …
postgis - Get the SRID of a geometry field - Stack Overflow
Jun 11, 2012 · I have a table with some geometry types in and need to be able to return the SRID of a given field. How can I do this. I have had a search but all I can find is the function to alter a SRID. In …
How to get Longitude/Latitude from Geography Data in PostGIS
Nov 3, 2012 · I need the longitude and latitude of the centre of geography data in PostGIS. The format is called EPSG 2206 and the columns in record are "length","shape_area" and "the_geom"
What is the meaning of && in PostGIS? - Stack Overflow
Aug 2, 2019 · 14 In PostGIS, what is the result of the && operation between two geometries? In my mind, && returns a boolean, but does return geometry this time. In the following example, the …