GIS coaching for territorial management.
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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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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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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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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In a previous article, we saw how to geocode complete addresses with the MMQGIS plugin. Today, we will go further with two very practical use cases, still without coding: 1. Geocoding places based on their names…
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