SFCGAL | wrapper around CGAL that intents to implement
kandi X-RAY | SFCGAL Summary
kandi X-RAY | SFCGAL Summary
SFCGAL is a C++ wrapper library around [CGAL] with the aim of supporting ISO 191007:2013 and OGC Simple Features for 3D operations. Please refer to the project page for an updated installation procedure.
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QUESTION
When I install PostGIS, and its address_standardizer
and postgis_tiger_geocoder
extensions there are many tables created which I can see with \dt
. What do these tables do and where does shp2pgsql
load the shapefile?
To show this, an empty db, first what have the db? nothing, checking with \dt
.
ANSWER
Answered 2022-Feb-03 at 18:56shp2pgsql
will by default create one table for each imported shapefile. However, you can have it load multiple shapefiles into the same table using the -a
option.
The table spatial_ref_sys
, as the name suggests, only keeps the data for the spatial reference systems, which are vital for operations like coordinates transformation.
The tables us_gaz
, us_lex
, and us_rules
are related to the extension address_standardizer
.
The other tables in the schema tiger
are related to the extension postgis_tiger_geocoder
- also system tables that shouldn't really worry about.
QUESTION
Related question: Why is installing PostGIS 3 on RHEL 8 / CentOS 8 impossible?
System versions: CentOS, 8 Postgres, 12.3
This is a production db so I cannot uninstall/reinstall postgres. I did dnf install postgis31_13
on a different server with no issues and can't figure out why it's not working on this system.
I try to do dnf install postgis31_12
and it returns the following error:
ANSWER
Answered 2021-Oct-20 at 00:39The problem ended up being that
QUESTION
I'm working on OSX and have postgres installed via Homebrew. I've just upgraded Postgres from v11 to v13. Now I've tried updating the database files with:
...ANSWER
Answered 2020-Nov-13 at 03:28Upgrading PostGIS is not so straightforward (see the documentation), and by using the automatic upgrade of this distribution you probably messed up your installation.
Take a full backup of your PostgreSQL data directory, then uninstall PostgreSQL v13, install v11 and PostGIS 2.5 again and see that you can get the database to work again.
Then follow the upgrade procedure from the PostGIS manual.
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