GIS coaching for territorial management.
This article is an update of the article Making a topographic map with QGis which dates from version 2.18 . The SRTM project now provides worldwide coverage of terrain elevation data. It’s now very easy to…
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Here’s a 5-chapter tutorial on the new QGis feature in version 3.26: elevation profiles. Chapter 1: Profiles from vector layers Chapter 2: Profiles from raster layers Chapter 3: Profiles from point clouds (Lidar) Chapter 4: Profiles…
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Among the different options to load data in Postgresql, we will see here the one that, in my opinion, is the easiest and fastest. We will simply use QGis and its Database Manager.
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Although Geoserver has tools for uploading data layers, this operation can be simplified by exploiting the possibilities of QGis and the Geocat Bridge plugin. This plugin allows to load directly in Geoserver the data and symbologies…
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The QGIS Green View Index plugin is a powerful tool to measure the vegetation cover of a given area. It is interesting to see what it brings compared to the classical processing based on vertical aerial…
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The Green View Index for QGIS is a plugin that performs the three main procedures necessary to calculate the GVI for a given area: We are publishing a series of three articles: 1-Green View index concepts…
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The QGIS Green View Index plugin is a powerful tool for measuring the vegetation cover of a given area. It is easy to use and provides valuable information to urban planners, landscape architects and environmentalists. By…
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The Perry-Castañeda Library Map Collection, located at the University of Texas, is one of the largest digital map collections in the world. This collection contains maps of all continents and many countries, as well as topographic,…
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What is WMTS? A good example of a WMTS service is OpenStreetMap. It consists of an address to which client programs can request geotagged images. When you load OSM into QGis, the program connects to the…
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When working with spatial data in GIS software, you regularly encounter the problem of files that lack a clearly defined coordinate system. When a file lacks its coordinate system (CSR), it can lead to misaligned layers,…
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