Changeset: 52947504
#hidrology
Closed by velmyshanovnyi
Tags
created_by | JOSM/1.5 (12921 uk) |
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source | Bing |
Discussion
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Comment from Nakaner
Hi velmyshanovnyi,
this changeset looks very much like a mechanical edit or import. Unfortunately, https://wiki.openstreetmap.org/wiki/Mechanical_Edits/velmyshanovnyi is empty. Could you please point me to the mailing list archive where I can find the discussion of this import?
Please pause your edits for at least five days.
Please keep in mind that mechanical edits and imports have to follow certain rules.
https://wiki.openstreetmap.org/wiki/Automated_Edits_code_of_conduct https://wiki.openstreetmap.org/wiki/Import/GuidelinesBest regards
Michael
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Comment from imagico
The tags added indicate these edits might be based on a tool like scanaerial which would mean this might not actually be a mechanical edit.
However this should still be discussed before widespread use because (a) the quality of the geometries is poor indicating a rather crude algorithm behind it and (b) this seems to be based on poor and outdated lowzoom Bing images which differ a lot from the current reality - see for example here: https://mc.bbbike.org/mc/?lon=-152.654172&lat=70.015963&zoom=13&num=2&mt0=bing-satellite&mt1=mapnik
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Comment from velmyshanovnyi
hi
this is mixed edit )) -
Comment from velmyshanovnyi
52809320 by
velmyshanovnyi1 2017-10-11 03:52:44 UTC bdiscoe velmyshanovnyi, PLEASE stop doing this. These features have way, way too many nodes - tens of thousands of colinear, inefficient, bad nodes. Please, please learn how to use Simplify to the correct level of detail. For these edits, I have to load them, delete most the points, and wait a long time f...
2 2017-10-11 12:35:00 UTC velmyshanovnyi fastdraw
https://wiki.openstreetmap.org/wiki/JOSM/Plugins/FastDrawI mapped exactly 10 meters high
now I will be at 40-50m
+ autosimplificationok
???
3 2017-10-11 16:04:44 UTC bdiscoe Hi, thank you. I'm not sure what level of detail that will produce, but, it sounds much better, and appropriate for remote regions. In OSM we usually speak of zoom level (e.g. 15), or meters of error on simplification (e.g. 0.1-1m). Perhaps by "40-50m" you mean the number shown on the sc...4 2017-10-14 22:49:44 UTC velmyshanovnyi ok
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Comment from velmyshanovnyi
pls send your question to "bdiscoe"
http://www.openstreetmap.org/user/bdiscoe"velmyshanovnyi, PLEASE stop doing this. These features have way, way too many nodes" (c) bdiscoe
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Comment from velmyshanovnyi
Im fixed my soft, to post many parameters
(yes, based on ScanAerial)
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Comment from imagico
velmyshanovnyi,
you need to verify your edits more diligently otherwise this can only be seen as a mechanical edit/import. For example at:
https://mc.bbbike.org/mc/?lon=-153.046905&lat=70.038537&zoom=12&num=2&mt0=bing-satellite&mt1=mapnik
the islands in the lake are actually clouds and residual ice. If you familiarize yourself with the region and use other readily available image sources for verification you can see that. You don't do anyone a favor by mechanically tracing thousands of lakes this way without checking for such errors.
And you should definitely not use the 15 year old low resolution images in Bing at z12 and below as a basis. Both Bing and DigitalGlobe have higher resolution and newer images in most of the areas you are working on. Make use of that. And it might be good to ask other experienced scanaerial users like Vort and Jake Strine for help with best practice in using such techniques.
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Comment from velmyshanovnyi
thnx
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