#1079: pictures, depopulation, barcelona, tracking
, last check: Fri, 24 Apr 2026. Post history
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pictures
Interactive map to explore UCSB 400 thousand old aerial pictures collection, available for download without restrictions
https://mil.library.ucsb.edu/ap_indexes/FrameFinder/ -
depopulation
Despite the general growth, 176 municipalities in Catalonia have lost more than 10% of their population over the last decade
via @sfggeogis
https://naciodigital.cat/noticia/175971/mapa/176/municipis/perdut/mes/10/poblacio/decada | archive.org -
barcelona
Updated on-line Barcelona Historical Chart with more contents, better maps (vector tiles) and available for download
https://www.barcelona.cat/museuhistoria/cartahistorica/ -
tracking
Small working OpenLayers code to track users interaction on a web map application, useful for UX experiments
https://gitlab.com/Hannes42/OpenLayersViewTracker/
Raf