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Author: Atilio Francois

13 October 202514 October 2025 Atilio Francois No Comments
  • Plugin
  • QGis

Converting a raster into fuzzy values with FuzzyAttributes V2

Version 2 of FuzzyAttributes extends the plugin’s capabilities by directly integrating fuzzy transformation of rasters, in addition to vector attributes and text → fuzzy mapping. This allows you to work on continuous data (e.g., indices, altitudes,…

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6 October 202514 October 2025 Atilio Francois No Comments
  • Plugin
  • QGis

Consultation and negotiation: the contribution of fuzzy logic

Consultation and negotiation: understanding, dialogue, building together In regional, environmental, or development projects, decisions can no longer be imposed unilaterally. Stakeholders—whether citizens, institutions, businesses, or associations—expect to be listened to, consulted, and involved. Two approaches are…

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1 October 202514 October 2025 Atilio Francois No Comments
  • Postgis

PostGIS 3.6 released – 3D, raster, and topology take a leap forward

New version: PostGIS 3.6.0 (Released September 2, 2025) PostGIS 3.6.0 has been available since September 2, 2025. It is designed to work with PostgreSQL 12 through 18 beta 3, requires GEOS 3.8+ (with optimizations for GEOS…

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24 September 202510 September 2025 Atilio Francois No Comments
  • Plugin

Creating awareness maps with QGIS: the equivalent of the Above and Below style

Awareness maps in QGIS When an issue is relatively new, it is often useful to go through an awareness-raising phase. Maps play a key role in this process: they reveal worrying facts and draw the attention…

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17 September 20258 September 2025 Atilio Francois No Comments
  • Plugin

From Boolean analysis to fuzzy logic in a GIS: a concrete example

Introduction In spatial analysis, criteria are often applied strictly: yes/no, inside/outside, above/below a threshold. But reality is rarely so clear-cut: is a municipality with 4,900 inhabitants really so different from another with 5,100? Fuzzy logic allows…

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10 September 20258 September 2025 Atilio Francois No Comments
  • QGis

Union in GIS: choosing between overlay, merge, unary union, and dissolve

Understanding the different types of unions in GIS Spatial union is one of the fundamental operations in geomatics. It allows you to combine multiple layers or entities to produce new geometries or enrich attributes. However, behind…

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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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