#2107: gdal, shadows, cadastre
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"Mastering GDAL Tools" provides complete course materials for an introduction to GDAL and OGR command-line programs to create workflows for processing raster and vector data and organizing spatial ETL pipelines
https://courses.spatialthoughts.com/gdal-tools.html -
Shadowmap visualizes sunlight and shadows on an interactive 3D map, taking buildings and terrain into account, for any time of the day, anywhere on Earth
https://app.shadowmap.org/?lat=41.39850&lng=2.12489&zoom=16.70&azimuth=0.00000&basemap=map&polar=0.52360&time=1689088060050&vq=2 -
An alternative to the cadastre of France where only cadastral lots owned or managed by legal entities (companies, state...) are shown on the map intended for activists, squatters, anarchists and other profiles
https://cadastre.squat.net/#17/42.36649/2.64901
Raf