#195: dtm, immigration, netherlands, population, ice, rorschach
, last check: Mon, 20 Apr 2026. Post history
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dtm
How to create a DTM and DSM point cloud from UAV imagery
https://rapidlasso.de/creating-dtms-from-dense-matched-points-of-uav-imagery-from-senseflys-ebee/ -
immigration
Immigration origin evolution at the USA since 1850
https://www.pewresearch.org/short-reads/2024/07/22/how-the-origins-of-americas-immigrants-have-changed-since-1850/ -
netherlands
The Netherlands digitized antique maps, with time line and zoomable
https://www.topotijdreis.nl/ -
population
Population concentration map shows how many people lives on your half of the planet
http://www.radicalcartography.net/index.html?your-hemisphere -
ice
The melting of the Artic sea and the opening of the North passage
https://www.mapbox.com/blog/mapping-arctic-ice-polar-projection | archive.org -
rorschach
An interactive that creates Rorschach prints with maps, satellite imagery and street view
https://maputingcooking.com/recipe/crema-de-fruta-christmas-dessert
Raf