OpenStreetMap
University of Virginia Library has GIS data for buildings in Loudoun county (and lots of others), and the terms of use say the data “is publicly available and can be reused and published without restriction, so I figured I’d start importing it into OSM using JOSM.
This first upload was a residential neighborhood to test the workflow.
Discussion
TomHಅವರಿಂದ 18:55 ರಲ್ಲಿ 21 ಮೇ 2017ರಂದು ಅಭಿಪ್ರಾಯ
Might I suggest you read osm.wiki/Import/Guidelines before performing an import…
Glassmanಅವರಿಂದ 20:58 ರಲ್ಲಿ 21 ಮೇ 2017ರಂದು ಅಭಿಪ್ರಾಯ
+1 for @TomH’s suggested reading. Join us on the Slack Import channel to discuss your import plans and get help.
umbrekಅವರಿಂದ 07:23 ರಲ್ಲಿ 24 ಮೇ 2017ರಂದು ಅಭಿಪ್ರಾಯ
W takim razie czekam na wyniki testu :-)