Tag: qgis

Multispectral vs Hyperspectral Imagery, Explained

Multispectral imagery records a few wide bands of light. Hyperspectral records hundreds of narrow ones. What each can tell you about a field, a roof or a mine.
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Cartes.gouv.fr : on ne remplace pas un portail, on sort d'un modèle

Cartes.gouv.fr : retour d’expérience sur la transformation du Géoportail en plateforme ouverte de données, services et cartes du territoire.
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Read QGIS LAB Articles Without Leaving QGIS - QGIS LAB by MIERUNE

Introduction If you are reading this, you may often follow QGIS LAB articles while working in QGIS. Have you ever thought, “I wish I could do everything in QGIS”? For readers like you, there is now a ...
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QGIS Session Report: FOSS4G Hiroshima 2026 - QGIS LAB by MIERUNE

Introduction FOSS4G Hiroshima 2026 is an international conference that brings together people from around the world who work with open source geospatial software (FOSS4G). It was held in Hiroshima Pre...
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Site Plan vs Plot Plan: What Each One Shows

A plot plan draws one lot: its lines, its building, its setbacks. A site plan draws the whole project. Which one a permit asks for, and who draws it.
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What Is an Orthomosaic? Orthomosaic vs Orthophoto Explained

An orthomosaic is one map-corrected image stitched from many aerial photos. An orthophoto is one corrected photo. Which you have, and where seams go wrong.
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Sowing Kumoy Seeds at FOSS4G Hiroshima - QGIS LAB by MIERUNE

Introduction Hello, everyone. I am Lay, a QGIS engineer at MIERUNE, originally from France. Sorry if my Japanese sounds unnatural in places. I took part in FOSS4G Hiroshima 2026 as a presenter and wor...
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Semantic vs Instance Segmentation on Aerial Imagery

Semantic segmentation labels every pixel with a class: building or not. Instance segmentation draws every building as its own object.
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AI Agent for QGIS: The Complete Guide

How to use AI Agent in QGIS: install it, write your first request, stay in control, then 10 real runs, from georeferencing an old map to an HTML report.
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Greenfield vs Brownfield Sites: Meaning and Differences

A greenfield site has never been built on. A brownfield site has, and may still hold slabs, sheds or contamination. What each costs and how to tell them apart.
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