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Colored site plan: the same block four ways

Flat, watercolor, pencil and glossy, all rendered from one aerial image of Letchworth Garden City. Every prompt in full, and the two places the model invented water.
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Detect Solar Panels in QGIS: 5 Methods

Check OpenStreetMap first. Then four ways to map rooftop PV from aerial imagery in QGIS, with the menu paths and where each one fails.
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Detect Swimming Pools in QGIS: 5 Methods

Start with QuickOSM on leisure=swimming_pool. Where the map is thin, threshold the blue, run a water index, or use a segmentation model. Five methods compared.
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Extract Roads in QGIS: 6 Methods and One Trap

Start with QuickOSM. Where OSM is thin, five more ways to get roads out of imagery, and the line-or-surface choice that decides all of them.
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Map Tree Canopy in QGIS: 6 Methods, Free and Paid

For multispectral imagery, threshold NDVI in the raster calculator, then polygonize. Six methods, what each one needs, and what a canopy layer costs.
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Turn a Satellite Image into a Site Plan in QGIS

From a Google Satellite view of Letchworth Garden City to a four-class site plan in under a minute. The manual route, the AI route, and where each one breaks.
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How to share your QGIS models easily

Discover 5 ways to share your QGIS models: from the paper plane method to plugin integration !
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How to Redesign a Street in QGIS: 5 Methods

Five ways to show a street rebuilt, from hand-drawn vector layers to a generated aerial view. Only one gives back a picture that stays on the map.
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How to Simulate a Flood in QGIS: 5 Methods

From the official hazard map to a generated aerial view of the water. Which method gives a number, which gives a picture, why an elevation model changes both.
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[Blog] Take your QGIS projects to the web: Now with map themes and JS customizations

Mergin Maps simplifies QGIS project sharing with automated webmaps. Recent updates include support for layer trees, map themes, custom JavaScript integrations, a redesigned full-screen interface, and the ability to embed interactive maps directly into websites.
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