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Results tagged with postgis
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user 154418
PostGIS is an extension for the PostgreSQL object-relational database that adds support for geographic objects.
1
vote
1
answer
142
views
Handling PostgreSQL IntegrityError from PyQGIS
The problem is sometimes the feature to be deleted is referenced by another table using foreign key, so I'm getting the following PostGIS error:
ERROR: update or delete on table "tray" violates foreign …
- 349
7
votes
1
answer
327
views
Find discontinuities in graph network
I have a layer of lines that construct a graph network like the one shown in the 1st figure.
I need to automatically find the places in my network where there are discontinuities, like the ones marked …
- 349