[Tagging] Feature Proposal - Voting - Multiple landuse

Vincent van Duijnhoven vvanduijnhoven at outlook.com
Wed Sep 29 20:20:57 UTC 2021

It might be personal but in terms of drawing techniques I find it nicer if features of the same object (landuse in this case) don't overlap. Overlapping features clutters the view of the mapper. What if the same area has multiple landuse? Do you then draw two areas exactly on top of each other other?

True, for some areas there might be a small discussion between mappers what the most dominant use is but that is still better then the current sitiation where the mapper is required to chose 1 landuse. The proposal does not change anything in the descision making proces for the landuse value compared to the current situation, it actually makes it easier. The value that you currently use (for example determined by discussion with mappers) is the primary key.

This proposal also makes it easier for renders to render the most dominant one instead via the smallest one is renderd on top. Also, the proposed system extends the current landuse tagging in a way it does not break rendering.

Van: Mateusz Konieczny via Tagging <tagging at openstreetmap.org>
Verzonden: woensdag 29 september 2021 16:14
CC: Mateusz Konieczny <matkoniecz at tutanota.com>; Tag discussion, strategy and related tools <tagging at openstreetmap.org>
Onderwerp: Re: [Tagging] Feature Proposal - Voting - Multiple landuse

Sep 29, 2021, 13:33 by dieterdreist at gmail.com:
Am Di., 28. Sept. 2021 um 21:23 Uhr schrieb Mateusz Konieczny via Tagging <tagging at openstreetmap.org<mailto:tagging at openstreetmap.org>>:
2) I am not convinced at all that
landuse:secondary=*, landuse:tertiary=*, landuse:quaternary=*
is better than overlapping landuses

there is a difference in semantics though, secondary, tertiary, etc. indicate a hierarchy, while overlapping landuse objects don't. Not implying that one is worse than the other, but they aren't equivalent.
And it is partially my reason!

With one landuse dominating - map just one.

With multiple landuse applying clearly at once - map overlapping areas.

In case where you are unable to select primary one, landuse:secondary
would be even more problematic than overlapping landuses or selecting
just one.

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