[Tagging] Residential=rural, =urban?
ilya at zverev.info
Fri Apr 12 09:02:23 UTC 2019
I agree the naming is a bit off, since in Russia it is common to have buildings in medium-sized cities “sorted” by height from outskits towards the center :)
The only criteria is a number of families living in a building, actual height does not matter. One or two — this is “=rural”, more — “=urban”. Density does not matter as well: one building is as good as 100. So yes, in the US and asian countries you can have residential=rural in city centers.
I doubt retagging all these 200k keys would be a good practice, since some data analysts in Russia and Belarus rely on these values for calculating population density.
> On 12 Apr 2019, at 01:41, Warin <61sundowner at gmail.com> wrote:
> On 11/04/19 19:06, Ilya Zverev wrote:
>> You are mostly correct, =rural is for quarter areas (that are bonded by streets and have no streets inside) that contain mostly one- or two-level houses, and =urban is for bigger (~4-5 levels), usually detached apartment buildings. The value of the tag is mostly used to assume height of buildings and in population density calculations. In high-rise areas and inner city blocks, buildings usually have more detailed tagging, that includes their height, type and possibly even number of entrances. These areas should also have residential=urban on their landuse.
>> The value is easy to determine from aerial imagery, so it allows for better area markup without surveying each building’s parameters.
> I am afraid the average English speaker will simply tag areas that are in the country side with =rural and those in cities as =urban.
> Much better to use words that say what you are mapping? residential:density=high/medium/low ???
> In this way it can be adapted for local conditions ...
> Asia has high density but single story dwellings with each of very small area and adjacent to the next dwelling.
> Estimated number of people living per unit area? Base it on the number of dwellings and number of people per dwelling.
> Then in the country country guides have estimations from people living per unit area, residential:density=values, to the heights of buildings that are typical there.
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