[Tagging] What is a saltbox?

[Julien Lepiller]

Le 12 février 2020 14:26:26 GMT-05:00, Michael Brandtner via Tagging <tagging at openstreetmap.org> a écrit :
>Hi,
>we have a big inconsistency between different wiki pages and editors
>how we define the roof shape "saltbox". 
>1) A saltbox is a roof with a tilted part at left and right side and a
>flat part on top. This definition can be found at:
>https://wiki.openstreetmap.org/wiki/Simple_3D_buildings
>It is used for example in the presets of the Vespucci editor. 
>
>2) A saltbox is a roof with only one tilted part (usually directed at
>the road) and one flat part on top. On the other side it goes straight
>down. The roof shape described at 1) is a double_saltbox.
>This definition can be found
>at:https://wiki.openstreetmap.org/wiki/DE:OSM-4D/Roof_table
>
>This definition is for example used by the StreetComplete editor.
>
>This is a serious issue, because it means that for none of the over
>3,000 buildings with the tag roof:shape=saltbox we can know which shape
>it actually has.
>
>Cheers,Michael

Also for some reason, this tag is different from what wikipedia describes a saltbox to be: https://en.wikipedia.org/wiki/Saltbox_house