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In this case, I'm looking to tag a gas station that has a central building (a convenience store) and the separate covered area for gas pumps. Should I use a multipolygon relation? If so, what would the roles be if there is no "inner" and "outer" (as in the example of a building with a courtyard) but rather just two separate buildings?

asked 06 Jan '14, 14:05

wdpk's gravatar image

accept rate: 0%

In this example you could tag the whole area of the fuel station with amenity=fuel and tag the buildings as building=yes/shop/whatever

A similar method works for schools.

In the more general case I have seen buildings tagged as multiple outers in a multipolygon relation with no inners.

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answered 06 Jan '14, 14:12

EdLoach's gravatar image

EdLoach ♦
accept rate: 22%


You don't need 'multipolygon' relations. Either you can draw a single polygon (a closed way) and that's it. Or the business is spread in multiple locations and you have to use the relation 'site'

(08 Jan '14, 09:42) Pieren

Hi what about building=yes with tags for the available merchandise. The covered area for or with gas pumps is just that building=roof or covered=yes. And separatly tags not a polygone.

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answered 06 Jan '14, 14:12

Hendrikklaas's gravatar image

accept rate: 5%

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question asked: 06 Jan '14, 14:05

question was seen: 5,320 times

last updated: 08 Jan '14, 09:42

NOTICE: is no longer in use from 1st March 2024. Please use the OpenStreetMap Community Forum