#1580: cadastral, lidar, nitrate pollution
, last check: Wed, 29 Apr 2026. Post history
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cadastral
A lightweight web application to visualize the urban growth of any population with Cadastral data made by @Vdot_Spain from the guide and examples created and popularized by Dr. Dominic Royé (@dr_xeo)
[ES]
https://vdotspain.shinyapps.io/RoyeCityMaps/ | archive.org -
lidar
How to automate 3D point cloud sampling with Python from scratch, two efficient methods to import, process, structure as a voxel grid, and visualize LiDAR data
https://towardsdatascience.com/how-to-automate-lidar-point-cloud-processing-with-python-a027454a536c -
nitrate pollution
Almost half of the sampled springs in Osona and Lluçanès have been contaminated with high levels of nitrates for 20 years due to the huge pig hut that continues to flood the aquifers with manure, according to the Ter Defense Group.
[CA]
https://www.gdter.org/2021/resultats-de-contaminacio-per-nitrats-de-les-fonts-dosona-i-el-llucanes-2021/
Raf