The way should be tagged with covered.
Osm buildings roof.
The same holds for underground buildings like building cellar or those building types which are tagged with location underground.
Building roof and building bridge even describe buildings which have except its piers no outline on the ground.
Either all ways below roof or the roof should get a layer tag.
The way may have shared nodes with the building where it crosses the outline of the building.
6 function make rectangular.
7 1 drawing of many identical buildings.
Straighten way 7 2 2 b 3.
Some roofs e g square buildings cannot be accurately modeled with the simple techniques described on this page.
Additional roof shapes are suggested in s3db proposals including advanced approaches for manual modelling e g proposedrooflines or parts of osm 4d roof table.
Note that it may be not the same as the building s current use tagged using building use.
3 drawing at the roof.
The most basic use is building yes but the value may be used to classify the type of building.
In more complex situations layer for roof ways under roof and for other objects may be required.
Don t tag for the renderer for more details on this topic see tagging for the renderer.
5 about the logic of building making.
Straighten not neighboring.
In openstreetmap a building is a man made structure with a roof standing more or less permanently in one place.
Drawing of complicated building outlines.
Osm buildings twitter github privacy terms contact twitter github privacy terms contact.