Qgis · QGIS Planet Website

Lutra at the QGIS User Conference 2026 in Laax

October 12, 2026 3:04 PM UTC by Lutra Consulting under qgis

Discover Lutra Consulting's highlights from the QGIS User Conference 2026 in Laax, Switzerland. Explore our talks on QGIS 3D, point clouds, Mergin Maps, and more!

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Free DEM Download: SRTM, Copernicus and LiDAR in QGIS

October 11, 2026 12:00 AM UTC by TerraLab under open data qgis tutorial

Over one Pyrenean valley, four free 30 m DEMs sat 12 to 18 m above the LiDAR ground under forest. Where to get each DEM free, and how to load it in QGIS.

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How Tall Is a Story? Floor Heights Measured on Real Buildings

October 11, 2026 12:00 AM UTC by TerraLab under open data qgis guide

We measured 307,225 French buildings: a story is 3.07 m (10.1 ft) at the median, and a 5-story building stands 16.2 m (53 ft) to the gutter.

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How to Make a Heat Map in QGIS (and With One Prompt)

October 11, 2026 12:00 AM UTC by TerraLab under qgis tutorial

6,041 bike crashes in Paris mapped three ways in QGIS: Heatmap renderer, kernel density raster and hexagons, then one sentence to an AI agent: 2 min 34 s.

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Microsoft Building Footprints vs Google vs Overture, Tested

October 11, 2026 12:00 AM UTC by TerraLab under open data qgis guide

Microsoft matched 25% of a French town's cadastre buildings, OpenStreetMap 83%. Then Nairobi: five free sources, timed downloads, checked on drone imagery.

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What Is a KML File? Open, Edit and Convert KML and KMZ

October 11, 2026 12:00 AM UTC by TerraLab under qgis guide

KML is map data written as XML in WGS 84; a KMZ is the zipped form. How to open, edit and convert both, and why a KMZ saved in QGIS fell to 134 bytes.

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Revue de presse du 9 octobre 2026

October 9, 2026 2:00 PM UTC by Geotribu (FR) under 30daymapchallenge circé copernicus fig ign mercator openstreetmap qgis cartographie géodésie histoire navigation projection revue de presse satellite

Une GeoRDP d'automne, avec des géotrucs parfois concrets et à picorer, façons géotapas divers et variés.

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From CAD to GIS: When you need to make the transition

October 6, 2026 7:03 PM UTC by Lutra Consulting under qgis

Discover why and how to transition your engineering drawings from CAD to GIS for improved asset management, spatial querying, and real-world accuracy.

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NDVI vs EVI, SAVI, NDRE and NDWI: Formulas for QGIS

October 5, 2026 12:00 AM UTC by TerraLab under qgis guide

NDVI flattens out over dense canopy. EVI, SAVI, NDRE, NDWI and NDMI each fix a blind spot. Raster Calculator formulas and a measured test in Brazil.

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Satellite Imagery Resolution Compared: 30 m to 30 cm

October 5, 2026 12:00 AM UTC by TerraLab under ai segmentation qgis guide

One French suburb at six pixel sizes. At 10 m, 0.2% of its buildings cover 16 pixels; at 50 cm, 96% do. Counts of 20,911 buildings and 2,966 pools.

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Tag: qgis