Hi Bocheng,
Vào lúc 23:46 2020-12-10, Bocheng Lai đã viết:
I,m going to Importing building outlines from Microsoft building footprints
reference:
https://wiki.openstreetmap.org/wiki/Microsoft_Building_Footprint_Data
<https://wiki.openstreetmap.org/wiki/Microsoft_Building_Footprint_Data>
https://wiki.openstreetmap.org/wiki/Import/Catalogue/US/BingBuildings
<https://wiki.openstreetmap.org/wiki/Import/Catalogue/US/BingBuildings>
Can you elaborate on your plans? The two pages you linked to are
detailed but intended as only a starting point for various import
efforts. In and of themselves, they don't satisfy the import guideline's
requirement for fully documenting your proposed import on the wiki. For
example, see the full proposals listed in the table at [1].
Data to Import=building outlines
Area=Cities and towns California, United States, if the area not mapped
and existing in reality and able to seen in Bing satellite imagery
source=Microsoft building footprints
Can you be more specific? There are a number of completed, ongoing, and
planned building imports in California. [2] It's important that your
import doesn't interfere with these other efforts. In fact, perhaps you
should consider contributing to those efforts, if you haven't already.
(For context, I've helped with the San Jose building import, which is
still ongoing and would welcome help with task completion or validation.
[3])
Have you considered any other datasets before deciding to import the
Microsoft building dataset? In California, we're lucky that works by
state and local government agencies are automatically in the public
domain by law. So for many cities and counties, there are likely better
alternatives to the Microsoft building dataset. These alternatives
typically contain attributes that Microsoft's computer vision-based
approach could not obtain, such as addresses and building heights, and
the geometries may be more accurate. If this is the case, I think there
would be a strong argument for preferring the local dataset and only
falling back to the Microsoft dataset in areas that aren't so fortunate.
Thank you for your consideration and enthusiasm for improving our
coverage of California.
[1]
https://wiki.openstreetmap.org/wiki/Microsoft_Building_Footprint_Data#Related_import_proposals
[2] https://wiki.openstreetmap.org/wiki/Category:Import_from_California
[3]
https://wiki.openstreetmap.org/wiki/Santa_Clara_County,_California/San_Jose_building_import
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