Yohan Boniface wrote: >On 05/18/2013 03:55 PM, malenki wrote: >> Dave F. wrote: >>> IMO Source should be on the object, not on the changeset. >> >> +1 (except if there is one changeset for one object (; ) > >This is not my opinion. Let's take a simple example: a school. > >Some first user maps it from imagery, and so just draws the building. >So we have something like: >building=yes >source=Bing
there is source:outline=* http://taginfo.osm.org/keys/source%3Aoutline (used 10150 times so far) >Now someone who went on the place add the fact that this building is a >school. So we have something like: >building=yes >amenity=school >name=Ecole de la Vie >source=Bing;survey source=survey - since it has been surveyed >Now, the public administration release an open data file with many >informations on every schools. Someone takes this info and add it to >our school. So we have now, for example: >building=yes >amenity=school >name=Ecole de la vie >capacity=1800 >wheelchair=yes >addr:street=Rue de la Vie >addr:housenumber=42 >source=? there is source:addr= http://taginfo.osm.org/keys/source%3Aaddr (used 2015605 times so far) >Now, we have the opportunity to fly a drone on the area, and so we >have a very accurate imagery, which is great. So someone goes on our >building way and move it a little bit, change a little bit the shape >to better follow the reality, etc. change source:outline >So the question is: now, what should be the source tag value? And >which of every attributes or geo informations is covered by this value? > >My personal answer is that the source should be on the changeset, >which is where the data comes from. Mine you see above. _______________________________________________ talk mailing list [email protected] http://lists.openstreetmap.org/listinfo/talk

