Key:addr:floor
 addr:floor
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| Description |
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The floor where an address feature is located, using locally used method of indicating specific floor. 
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| Group: addresses |
| Used on these elements |
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| Useful combination |
| See also |
Status: approved
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| Tools for this tag |
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Specifies the floor where an address feature is located, using locally used method of indicating specific floor. It matters especially where levels are not referred to by numbers but by codes (addr:floor=A) or by names.
addr:floor=* should be certainly used if floor index is part of the address.
level:ref=* (if also used) will usually have the same value as addr:floor. If one want to specify that objects are at specific level but it is not part of their address then level:ref=* should be used.
There is also level=* which assumes that ground floor is level=0, the first floor above ground is level=1 and the first underground floor is level=-1. The level tag is generally used for all kind of objects and its application is not limited to address tagging. In the past, it has been claimed by some mappers that usage in some areas in practice may be different, and that this tag may be less reliable than others. If you see instances where the application of the tag diverges from its definition, please fix them.
Usage analysis
This tag is in use since June 2015, it had an organic growth until February 2021, when an import significantly increased its usages.
Nowadays the usage of this tag shows three spikes:
- February-March 2021: ~35600 uses due to an addresses import from user nysgissam_dead10ck: New York (state)/NYS GIS SAM Address Points Import.
- April 2023: ~120320 uses due to an addresses import in Taiwan from user Supaplex.
- 29-31 July 2024: ~1486000 uses due to an addresses import in Taiwan from user Supaplex.
Support
Every Door - uses level=* and addr:floor=* in the presets of the Amenity Mode.