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GIS coaching for territorial management.

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Author: Atilio Francois

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Requests and views of a SpatiaLite database with QGis 2.8

One of the main differences between data management with shapefiles and a database is the ability to create different “views” for the same data. In this article, the last in the series devoted to SpatiaLite with…

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How to import tables into a SpatiaLite database with QGis 2.8

In a previous article we have discussed ( How to create  a SpatiaLite database with QGis 2.8 ) how to import a shapefile into a SpatiaLite database. The method is the same for other types of…

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Introduction to QGis 2.8 Toolbox

When we need to use a tool of the QGis toolbox, it is usually in the heat of the moment and we omit some preliminary configuration points . As usual, at one time or another we…

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The ArcGis spatial-temporal cube: 1- discovery

One of the GIS areas where much remains to be done is the domain of time analysis. Indeed, if almost all the available tools focus on the spatial evolution of a phenomenon, one finds oneself quite…

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Model Builder: migration to ArcGis Pro

The ArcGIS Pro ModelBuilder is very similar to ModelBuilder in relation to the ArcGIS Desktop applications. The model diagram view is similar, and you build the models by adding data and geoprocessing tools   connecting them…

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Excel tables with Model Builder

Although this article is, primarily, aimed at novice users of Model Builder, it can be helpful for more advanced users since, even though, the procedure may seem simple at first, has a trap. In our example,…

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Recent articles

  • Converting a raster into fuzzy values with FuzzyAttributes V2
  • Consultation and negotiation: the contribution of fuzzy logic
  • PostGIS 3.6 released – 3D, raster, and topology take a leap forward
  • Creating awareness maps with QGIS: the equivalent of the Above and Below style
  • From Boolean analysis to fuzzy logic in a GIS: a concrete example

Recent comments

  1. Atilio Francois on How to develop an application with pgrouting in Windows (1)25 August 2025

    You're right — since 2019 Geofabrik no longer provides plain `.osm` files, only the compressed `.osm.pbf` format. The tool **osm2pgrouting**…

  2. Simon on How to develop an application with pgrouting in Windows (1)25 August 2025

    The osm downloads don't appear to be available, just osm.pfb And osm2pgrouting on Windows doesn't like pbf "not well formed…

  3. Arno on Portable version of QGis 3.32.021 August 2025

    I just want to thank you. It works.

  4. Atilio Francois on Portable version of QGis 3.32.015 May 2025

    What is the link between the qgis update and the portable version? A portable version cannot be updated; it must…

  5. Hugo on Portable version of QGis 3.32.014 May 2025

    For me, the error message complaining that qgis_app.dll is missing started appearing following the most recent QGIS update.

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