Josm q key if so desired.
Osm roof shapes.
How to identify rooftop in osm.
To accomplish that move the way until the corner of the roof touches the best visible corner edge of the building.
Simple 3d buildings on the osm wiki defines several roof shapes.
Additional roof shapes are suggested in s3db proposals including advanced approaches for manual modelling e g proposedrooflines or parts of osm 4d roof table.
However they all seem to be mostly symmetric.
In the area where i was thinking of tagging roof shapes it is a very common pattern to have the roof be hipped towards the end of the building that faces the street and gabled in the back.
In addition covered may be used to mark objects for example roads as covered by the roof.
In case of ways below the roof.
I have heard that we can do that in osm.
Either all ways below roof or the roof should get a layer tag.
If there are already other features below or above the roof on the map layer should be used to provide information about stacking of features.
Hipped left and gabled right roof shapes.
After the roof shape has been drawn it should be moved to match the location on the ground level.
This section is a wiki template editable here.
0 i am trying to identify rooftops of all buildings for a part of a city.
This should be self explaining.