Changeset: 55541384
import canvec 092J14.3.0
Closed by Scott_Nelson_imports
Tags
created_by | JOSM/1.5 (13053 en) |
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Discussion
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Comment from pitscheplatsch
Hi Scott_Nelson_imports, welcome to OSM. Is this data import discussed with the community? Thanks.
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Comment from Viajero Perdido
Stop right there please.
I looked at random at one of the ways you deleted,
https://www.openstreetmap.org/way/483734369/history
...and see you deleted a previously HAND-EDITED stream (attributed Bing) to replace with this CanVec import.
This is a bad move! CanVec data is decades out of date, and the natural-feature "data" is hopelessly unworthy of being in OSM. Not when we have high-precision satellite technology available.
Cease-and-desist please, before you destroy anybody else's hard work. -
Comment from ScottNelson
In this instance I did check the Bing airphotos and found the canvec streams to be better than the hand edited steams. There was one conflict area where I corrected a short portion of the canvec import stream to match the imagery and the previous hand-edited stream, but this may not have been reflected in the revision history. I kept all the hand-edited glaciers, as these were much more accurate than the canvec glacier polygons. I think the canvec streams in this area are from a more recent dataset than the glaciers, because some places are mapped as both glaciers and streams in the canvec data and from looking at air photos it is obvious that the canvec streams are correct and the canvec glaciers are downright wrong.
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Comment from Viajero Perdido
Hi Scott.
Thanks for clarifying that you did indeed check the quality of the CanVec data you added, and my apologies for a blunt message based on a quick sample of a single changeset I looked at. (I've been burnt before; seen accurate hand-traced waterways removed in favor of sloppy CanVec ones, so was afraid it was the same all over again.)If you're satisfied that the features you're updating are more accurate than the ones they replace, then I'm okay with this.
Thanks, and happy mapping,
Tom / VP
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