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Tag: overlay

10 September 20258 September 2025 Atilio Francois No Comments
  • QGis

Union in GIS: choosing between overlay, merge, unary union, and dissolve

Understanding the different types of unions in GIS Spatial union is one of the fundamental operations in geomatics. It allows you to combine multiple layers or entities to produce new geometries or enrich attributes. However, behind…

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  1. SERGIO SEBASTIAN VERDU on [EN]Download QGIS 4.0 Portable for Windows (Full & Lite Versions)29 July 2026

    Hola Atilio, podrias volver a compartirme el archivo por google drive? me interesa decargar esta nueva versión pero se autocancela…

  2. Atilio Francois on [EN]Download QGIS 4.0 Portable for Windows (Full & Lite Versions)5 June 2026

    Thank you for your feedback and for reporting these issues. The errors and the missing Processing functionality that you observed…

  3. Andrea on [EN]Download QGIS 4.0 Portable for Windows (Full & Lite Versions)5 June 2026

    I've downloaded today the 7z file from https://www.sigterritoires.fr/QGis4.0Lite, then unarchived it and then launched launch_qgis_portable.bat: various errors occurs https://dcmnt.eu/pad/#/2/pad/view/-6FZXEyJYV4SyZmDWWE4XW6M7l-1JGp0V67X4tBTdjg/embed/ and…

  4. Andrea on [EN]Download QGIS 4.0 Portable for Windows (Full & Lite Versions)5 June 2026

    It's not clear what are exactly the components that are missing in the "QGIS portable – lightweight version". Could you…

  5. Ed on [EN]Download QGIS 3.44 LTR Portable for Windows (Full Version)2 June 2026

    Thank you for your service to the community! Please know that you are greatly appreciated! We prefer using the Long…

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