Changeset: 48581858
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Closed by Nesim
Tags
created_by | iD 2.2.0 |
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host | https://www.openstreetmap.org/edit |
imagery_used | DigitalGlobe Premium Imagery |
locale | tr |
Discussion
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Comment from Gazer75
No point editing stuff in this area. it will be replaced with official data. Wait until the import is done and then you can improve it if needed. DG Premium is still not properly georectified so it will be offset in many places.
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Comment from imagico
So you want to ban manual mapping from Norway to make it easier to create and maintain a map based on 'official' data there? That would be an extremely short sighted attitude.
If you want to address problems with the alignment of images (which are indeed severe in some parts of Norway) a good way would be to provide a rendering of the 'official' map data mappers can then use to align images.
But just because 'official' map data has better positional accuracy does not necessarily mean it is more accurate than what is manually mapped otherwise. The Kartverket imports are full of semantic nonsense and geometry errors.
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Comment from Gazer75
Did I say anything about banning? Edits during import will slow it down significantly. Just wanted to notify you of this. It's much better to improve the N50 data after import if needed. I stay away from municipalities with a lot of manual data even it if is badly mapped with offset aerials. Just to much work to merge/replace. The import is far from automatic and each of my uploads are results of about an hour of work. So far I've spent 3 weeks importing water for the municipality. After that I will probably spend another 3 week adding other landcover. N50 is not perfect, but it is much better than the extreme lack of data that is in OSM today. It would take mappers a decade or more to add the data contained in Kartverket N50. N50 data from after 2000 are actually pretty good considering the scale of 1:50000. It can be used later to see if the aerials are good or not. Wonder what kind of semantic nonsense you are talking about, but this is not the place for such discussion.
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Comment from Gazer75
You can follow the progress of import of N50 data here: https://wiki.openstreetmap.org/wiki/Import/Catalogue/Topography_import_for_Norway/assignment
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Comment from imagico
I was referring to the "No point editing stuff in this area." remark which is pretty unfriendly to someone manually mapping stuff in the area.
As far as the "semantic nonsense" is concerned - i pointed out some of the problems in the import discussion - in particular regarding waterways and wetlands - and could point you to a lot of cases where the imported data is factually wrong because of that. But this is not really the point here.
The point is you should value and respect manual contributions at any time - even if they are untimely for your import - and even if you consider the data you import to be better or more valuable in some way.
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Comment from Gazer75
Maybe its a language thing. If it came across as unfriendly then that was not my intent. I wanted to be short and to the point.
What discussion? Where? -
Comment from imagico
I mentioned this primarily in
https://lists.openstreetmap.org/pipermail/imports/2013-October/002300.html
and in subsequent discussion (continuing in June 2014)
Ways (5)
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