[Imports] Import of forests, farmland and other types of land cover for Sweden generated from Naturvårdsverkets Nationella Marktäckedata 2018

Grigory Rechistov ggg_mail at inbox.ru
Sun Apr 14 18:30:45 UTC 2019


Dear OSM community,
This is an announcement and request for comments, suggestions, and approval of land cover information data import for the territory of Sweden.

* Import plan: [1]
* Raster data source:  Sweden's Environmental Protection Agency (Naturvårdsverket) [5]
* Data license: CC0
* Data URL: [3]

The whole importing effort is expected to split into at least 290 pieces, one per county (kommun).
Initial chunks of import data will be submitted using a dedicated account called Atakua-imports (my primary account is called Atakua).
Later, to distribute the work, other accounts controlled by additional volunteers from the talk-se community may be used.
Work distribution and coordination, including information about accounts used for importing data for subareas, is tracked in this table: [6]

A local mailing list thread dedicated to discussion of this import, technical problems of data conversion, filtering, validation etc.: [4]
A lot of technical details about the source data conversion, cleanup and conflict resolution are covered in the import plan and custom processing scripts [11]. I am willing to address any concerns not covered by existing documentation.

To get a first impression about this import, please take a look at the following OSM-datasets prepared for three separate counties.

1. Staffantorp county [10], in fact, requires no import at all because present land cover data is already good enough.
2. Stockholm county [8]. New land cover data remaining after conflation [9] consists of less than a 100 objects for that subarea. Most likley, it is not worth pursuing importing anything for this county either — forests there are already well mapped.
3. Vingåker [7] county is the first example of a subarea with poor pre-existing forest information, thus benefiting from this import.

Looking forward to hearing input from you!

References

1.  https://wiki.openstreetmap.org/wiki/Import/Catalogue/NMD_2018_Import_Plan
2.  https://wiki.openstreetmap.org/wiki/Import/NMD2018_Import_status_per_subarea
3.  http://www.naturvardsverket.se/Sa-mar-miljon/Kartor/Nationella-Marktackedata-NMD/
4.  https://lists.openstreetmap.org/pipermail/talk-se/2019-April/003547.html
5.  https://wiki.openstreetmap.org/wiki/Contributors#Naturv.C3.A5rdsverket
6.  https://wiki.openstreetmap.org/wiki/Import/Catalogue/NMD_2018_Import_Plan/Status_per_subarea
7.  https://drive.google.com/open?id=19Rh6q_ZhpqoTRchkrhE8ZIn2A00WRJTa
8.  https://drive.google.com/open?id=18MGkxD2l_LkrU3L0Ua9ArYfc9ohGkljo&#x20
9.  https://drive.google.com/open?id=1C1oulauOiYGTkBhuYEkdXAku0JiPnKWF
10. https://atakua.org/p/nmd/0022-Staffanstorps.tar.gz
11. https://github.com/grigory-rechistov/nmd-osm-tools

С наилучшими пожеланиями,
Григорий Речистов.
Med vänliga hälsningar,
Grigory Rechistov
With best regards,
Grigory Rechistov

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