geometry
Articoli correlati al tag geometry
Cut a line with a point
Find out how to tackle the problem of cutting a line at a point, overcoming the difficulties related to floating points, using different solutions in Python with Shapely.
Online from
18 April 2022
Reading time
1 minute
Fix invalid geometries
Learn how to fix geometry with Self-intersection errors in PostGIS using functions like ST_MakeValid, ST_IsValid, and more. A practical guide to ensuring correct topologies in your GIS data.
Online from
13 June 2020
Reading time
3 minutes
Square circumscribed to the polygon
Find out how to create a square bounding box for polygons using PostGIS, with practical examples on the Municipalities of the Metropolitan City of Naples.
Online from
30 April 2019
Reading time
2 minutes
Query: select part of a string excluding some characters
Learn how to select part of a string in QGIS using the substr operator, excluding certain characters, to filter data accurately and quickly.
Online from
23 June 2017
Reading time
2 minutes
Vectors: A type of real-world representation in the GIS field
Introduction to the concept of vector in GIS, exploring the relationship between vector graphics, mathematical vectors and geometric primitives (points, lines, polygons) in GIS.
Online from
20 December 2016
Reading time
4 minutes
Page 1 of 1