Tag: qgis

Orthophoto vs Orthomosaic: The Difference, and 7 Free for QGIS

An orthophoto is one corrected photo; an orthomosaic stitches many. How each is made, why one drew Berlin's TV tower 127 m off, and 7 free national services.
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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 vs Panoptic Segmentation: The Difference

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

Install AI Agent for QGIS and run a full project in five plain requests: load open data, analyse it, style the map and export a PDF.
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Greenfield vs Brownfield: Project, Software and Land Meaning

Greenfield starts from nothing, brownfield builds on what exists. What it means for a project, for IT and for land, with 314 real sites counted.
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How to Add a Basemap in QGIS: XYZ, WMS, QuickMapServices

Browser panel > XYZ Tiles > double-click OpenStreetMap. Then satellite tiles by URL, QuickMapServices, a national WMS, and the ground size of each zoom.
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DSM vs DTM vs DEM: The Difference, Measured, and Free Downloads

A DSM is the top of everything, a DTM bare ground, a DEM either. On one town tile the DSM made 41% of the ground steeper than 30°, the DTM 7%. 8 free sources.
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[Blog] A new direct way to connect Trimble receivers

Connect Trimble receivers directly to Mergin Maps with our new integration. Enjoy a seamless, single-tap setup and full access to high-accuracy GPS data.
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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 where the model invented water.
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