vector
Articoli correlati al tag vector
From CAD to GIS. Convert polylines to polygons
When I convert CAD data into GIS format the first thing I do is a topological check. It is important because in this way I can identify the open polylines that I will certainly generate
GeoPackage: a Valid Alternative to the Shapefile Format!
Learn why GeoPackage is an ideal format for geographic data: open, OGC-compliant, topological, flexible, and capable of replacing the old shapefile.
Remove duplicates from a vector
How to eliminate duplicates in a linear vector using SQL and the Topology Checker plugin in QGIS. A practical case with OSM and PostGIS hydrographic data.
Create a raster and a vector of the elevation bands
Learn to create a raster and elevation vector in QGIS using GRASS GIS. Step by step guide with a DEM, altimetric reclassification and conversion to polygons.
Online from
26 May 2017
Reading time
1 minute
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
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