GIS coaching for territorial management.
Underwater, different wavelengths of light are progressively absorbed: red disappears first, followed by orange and yellow. Even at shallow depths, photos often have a blue-cyan color cast. As a result, images look bluish or greenish and…
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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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In our previous articles, we looked at how to create graphs in QGIS with Data Plotly. Today, we’re going one step further: automate the generation of a graph by range (or any other entity), exporting the…
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History of Parquet and GeoParquet 1. Apache Parquet – The original format History: Objective: GeoParquet – Geospatial extension of Parquet History : Year Event 2021 (April) First exchanges on GitHub and in open source communities to…
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This article completes the series of articles on creating a geopackage database to manage ENC nautical charts in QGis and the symbology of the various data layers. Working with a small number of maps presents no…
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The first part of the Collaborative Financing for the Integration of Marine Data in QGIS project has been completed, thanks to contributions from ORANGE Marine, Geoconceptos Uruguay, Janez Avzec and Gaetan Mas. Our warmest thanks to…
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