We (Switzerland and some parts of Germany) have for example started more or less systematic remapping of anonymous contributions. There is no real hope that a significant amount of this data will be re-licensed by the original mappers, and since these objects pre-date the introduction of history* (versions), they simply have to go.

Obviously remapping doesn't not change the on-the ground geometry so it is likely that replacement nodes will be at the same or at least nearby locations, regardless of data source for the remapping (aerial images, GPS etc.).

Simon

Am 17.11.2011 07:07, schrieb ce-test, qualified testing bv - Gert Gremmen:
You are right Richard.
This O-trick actually is just a shortcut for delete and (re)place.

Just the thread in which it is presented is a bit suspicious.

The reason why anyone would want to remove a node and replace one at the same
(or approximate) location "escapes"  my logic.
It disturbs history, and makes no contribution to the database at all.

Unless the license issue of course....

And thank you for the compliment Richard (about the 0%) , I
always appreciate comments from those who know better.

Gert Gremmen
-----------------------------------------------------

Openstreetmap.nl  (alias: cetest)
 Before printing, think about the environment.


-----Oorspronkelijk bericht-----
Van: Richard Fairhurst [mailto:rich...@systemed.net]
Verzonden: Wednesday, November 16, 2011 9:22 PM
Aan: legal-talk@openstreetmap.org
Onderwerp: Re: [OSM-legal-talk] OSM Database Re-Build

Gert Gremmen wrote:
Using this O-trick violates the copyright of the previous
owner, just as copying from google would violate their
terms of service.
As they have been for at least three years now, Gert, your opinions about
Potlatch are 100% venting and 0% actual knowledge
(http://lists.openstreetmap.org/pipermail/talk/2008-December/032278.html,
http://lists.openstreetmap.org/pipermail/talk/2009-January/032977.html,
etc.)

If you actually _used_ the software - which you've never shown any sign of
doing and which I don't expect you to do any time soon - you would see that
this is simply removing a finger movement from "delete selected node, insert
node at mouse position". The action is exactly the same, yet I don't hear
you clamouring for the "insert node" function to be removed.

It is a simple convenience for the mapper. As you would know if you actually
used it, the node placement is entirely at the discretion of the mapper;
Potlatch does not automatically place a node at the previous position or
indeed anywhere. Just as with any other OSM editing, the mapper will usually
be working from a background layer, such as Bing or a GPS track, and their
placement will usually be based on this. And again, if you actually used the
software, you would also find that Potlatch makes it very easy to add the
source tag to a node or way during your edit, again with one single
keypress.

But why let the facts get in the way of a good rant, hey?

Richard



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