Screenshot of OSMCha visualizing some modified buildings against Mapbox Satellite aerial imagery that shows fewer, much larger buildings from a much more recent date.
Screenshot of OSMCha visualizing the addition of some Pacific Electric railways against an unfiltered OpenHistoricalMap basemap that shows all the features in the vicinity of this changeset from all time.
Our #OSMCha instance makes it easy to inspect large changesets for subtle changes. Sometimes, those changes look very wrong, but only because modern aerial imagery doesn’t line up with the historical features being mapped.
Now you can visualize changesets […]
[Original post on mapstodon.space]