GIS coaching for territorial management.
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 subject comprises two articles. The first deals with importing ENC S57 files into a Postgresql/postgis database. The second deals with setting up an automatic symbology equivalent to nautical charts. You can download all the scripts…
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List partitioning in PostgreSQL/PostGIS is a declarative partitioning method that divides a large table into several sub-tables, according to the discrete values of a column (e.g. by region, type, year, etc.). This is particularly useful in…
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At the end of the Leaflet introductory course, the final mini-project looked like the following map: With a map displaying geojson data, a mini-map and a title. This screenshot was taken on a PC and looks…
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Introduction: What is the MBTiles format? The MBTiles format is a file format for storing map tiles (raster or vector) in a SQLite database, a lightweight, stand-alone database engine. Initially designed by Mapbox, this format has…
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Session objectives: Creation of a mini-mapping project The aim of this session is to mobilize all the skills acquired in the introductory course to Leaflet to create a complete interactive map. Learners choose a theme from…
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