dem
Articoli correlati al tag dem
In which direction is Italy looking?
Tutorial to calculate the exposure of the Italian territory using DEM and QGIS. Analysis of slopes and cardinal directions to find out in which direction Italy "looks".
Online from
03 September 2023
Reading time
4 minutes
Intervisibility analysis
Find out how to perform a visibility analysis (viewshed) with Python, using the ISPRA DEM and libraries such as GeoPandas and xarray to calculate the areas visible from various observation points.
Online from
07 April 2022
Reading time
1 minute
Switch from Point to PointZ
How to add elevation to a point dataset in Python using geopandas, rasterio and rioxarray, exploring different methods to obtain Z values.
Online from
31 March 2022
Reading time
1 minute
Visibility analysis
Learn how to perform a visibility analysis with QGIS and GRASS GIS to evaluate the visual impact or visual accessibility of an area. Insights into the role of DEM and key parameters.
Online from
12 September 2019
Reading time
5 minutes
Having a zero error rate is impossible!
Zero error is impossible: reflections on measurements, approximations and a working experience with a "know-it-all" client.
Online from
30 March 2018
Reading time
1 minute
Hydraulics&GIS: tank elevation and approach pipeline route
Learn how to use QGIS to design the optimal elevation of a reservoir and plot the route of an approach pipeline, combining raster data and GIS tools for efficient analysis.
Online from
09 March 2018
Reading time
3 minutes
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
3D Open Source
Find out how to create a 3D reproduction of an area using only open source software like QGIS, without spending anything. Step by step guide using DEM, CTR and Qgis2threejs plugin.
Online from
18 March 2017
Reading time
2 minutes
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