GIS coaching for territorial management.
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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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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In the first part of this series, we saw how fuzzy logic allows us to go beyond rigid thresholds by assigning each spatial entity a degree of membership between 0 and 1.We explored several membership functions,…
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Modeling uncertainty and gradual transitions in QGIS using the FuzzyAttributes plugin. Not everything in geography is black and white. However, GIS tools often impose binary choices. What about transition zones? What about criteria that are partially…
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Exporting to SVG (Scalable Vector Graphics) from QGIS allows you to produce high-quality vector maps for printing or graphic editing in software such as Inkscape, Illustrator, or Affinity Designer. It is an interesting alternative to PDF,…
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When you have a layer of points (field surveys, geocoded addresses, incidents, observations, etc.) and a polygon layer (municipalities, sectors, zones), it is often useful to know which zone each point is located in. This is…
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