[Tagging] Hotel dataset import? / Re: Baby-sitting

Volker Schmidt voschix at gmail.com
Wed Mar 13 18:04:31 UTC 2019


On Wed, 13 Mar 2019 at 15:45, Sergio Manzi <smz at smz.it> wrote:

> Have mappers walked along the whole world coastlines? Have they descended
> all world's rivers by canoe?
>
No, these are examples where imports make sense as these are feature that
change slowly (normally)

Have all Mumbay, New York, Rome, Shanghai, etc., streets and alleys been
> walked by volunteers mapping their location and names?
>
No, but many have been photographed and the photographs are available with
open license (Mapillary and OpenStreetCam) and many raods have been
recorded with GPX tracks. This allows armchair mapping with high quality
results, where the mapper does not need to be the photographer.
New York on OpenStreetCam
<https://openstreetcam.org/map/@40.73919689890453,-73.96898232070473,13z>,
Amsterdam
on Mapillary
<https://www.mapillary.com/app/?focus=map&lat=52.37459220767326&lng=4.898735500000043&z=11.451877849993338>

All the peaks escalated?
>
Again classical data that change slowly, where imports are justified.

But when you start importing trees or buildings or hotels or petrol
stations or shops or crops than you are importing  perishable data which
are maintained outside OSM, and hence need frequent updates, with the
obvious cost that they need to be updated in the external source database
and in the OSM database in synchronism.

Volker

>
>
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