However they all seem to be mostly symmetric.
Osm roof shapes.
Either all ways below roof or the roof should get a layer tag.
This section is a wiki template editable here.
How to tag roof orientation for roof shape side hipped and similar roof shapes.
This should be self explaining.
Hipped left and gabled right roof shapes.
Josm q key if so desired.
I have heard that we can do that in osm.
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.
0 i am trying to identify rooftops of all buildings for a part of a city.
Draw along the outline of the roof apply rectangularization e g.
This tag should be added for roof shapes.
After the roof shape has been drawn it should be moved to match the location on the ground level.
In addition covered may be used to mark objects for example roads as covered by the roof.
How to identify rooftop in osm.
Additional roof shapes are suggested in s3db proposals including advanced approaches for manual modelling e g proposedrooflines or parts of osm 4d roof table.
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.