OpenStreetMap

Francois555 has commented on the following diary entries

Post When Comment
Web version - mobile version - how long does it take? 3 months ago

Thank you for your comments, I will ask OSM via email.

San Francisco building footprint data completed 3 months ago

Good job, guys!!! Did you use any (semi)automatic tools for extracting the buildings? Or how did you do it? It seems like a lot of work!