How do I add PostGIS to PostgreSQL pgAdmin? - Stack Overflow
2014年7月27日 · $ sudo apt-get install postgis postgresql-10-postgis-2.5 After successful installation open psql $ sudo -u postgres psql List all databases. postgres=# \l Connect to …
postgresql - PostGis Distance Calculation - Stack Overflow
2014年7月8日 · What do you mean by not much different? I would say 7.45 meters and 62.74 are quite different. It is st_distance_sphere that is the issue, though, as this takes input in lat/lon, …
postgresql - Loading Shapefiles into PostGIS using shapefile …
I am a complete beginner with PostGIS. I've started learning it using the tutorials provided by Boundless. In section 4 of this tutorial where I want to import shapefile in PostGIS, I do not …
sql - Creating spatial tables with PostGIS - Geographic Information ...
In the PostGIS documentation it says that there are two steps to creating a spatial table with SQL: Create a normal non-spatial table. Add a spatial column to the table using the OpenGIS …
Insert/update PostGIS geometry column with PostgREST
2020年6月5日 · I use the combination of PostgreSQL 12.1, PostGIS 3.0.0 and PostgREST 7.0.1 and I am extremely happy with this setup. There is an open enhancement for a wider PostGIS …
How to get Longitude/Latitude from Geography Data in PostGIS
2012年11月3日 · 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 …
PostGIS: Is it possible to identify overlapping polygons in the same ...
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POSTGIS: ERROR: Operation on mixed SRID geometries. Trying to …
2013年11月27日 · POSTGIS_VERSION=2.1; I have two tables with two different SRID. My objective is to show which geoms from TABLE_B intersect with a region from TABLE_A. …
PostGIS extract coordinates from POLYGON - Stack Overflow
2015年10月23日 · I'm trying to extract latitude / longitude values from a polygon column in PostgreSQL that I created using the PostGIS extension, I tried get the coordinates using a …
POSTGIS: find all the points within a polygon - Stack Overflow
2015年1月8日 · The answer was sort-of in your question: "within". Use the ST_DWithin operator.. SELECT polygonID, pointID FROM Points JOIN Polygons ON ST_DWithin(Points.thePoint, …