Re: [Talk-GB] Vandalism in London

2014-10-04 Thread David Woolley
On 04/10/14 01:47, Antje (OpenStreetMap) wrote: Even the Inner ring road is damaged (3124618 http://www.openstreetmap.org/relation/3124618). This is the only specific one you identified. I assume you are referring to http://www.openstreetmap.org/changeset/25784400 which has the blank

Re: [Talk-GB] Vandalism in London

2014-10-04 Thread David Woolley
On 04/10/14 09:57, David Woolley wrote: This was done with iD which has a bad reputation for collateral damage, and without a sensible commit comment, it is difficult to work out what was intended, but I suspect that this relatively new editor is not actually malicious. That might have to be

Re: [Talk-GB] Vandalism in London

2014-10-04 Thread SomeoneElse
On 04/10/2014 10:14, David Woolley wrote: ... it is probably a mistaken attempt at personal mapping. That's what it looked like to me, certainly. The big problem with relations is that they tend to be subject to frequent edits, so reverts may fail, because they would take out a

Re: [Talk-GB] Updates from National Library of Scotlad

2014-10-04 Thread Dan S
Thanks! One small but immediate benefit I found, regarding names. In East London there's an area called Globe Town, and recently I've been wondering how to place it, since it doesn't have much of an official existence. Luckily, it is at least labelled on the historic OS map, so I used it to help

Re: [Talk-GB] Updates from National Library of Scotlad

2014-10-04 Thread Frederik Ramm
Hi, On 10/04/2014 12:54 AM, Rob Nickerson wrote: p.s. If you find these maps useful, please tell me how you're using them so I can feed this back to Chris at the NLS. I loaded the map as a JOSM background map tag key='name' value='NLS London 1250'/ tag key='type' value='tms'/

Re: [Talk-GB] Vandalism in London

2014-10-04 Thread Roger Calvert
Perhaps the principle OSM editors could emit a warning whenever an edit is undertaken which could invalidate a relation, also noting how many other ways would be affected. This at least would give mappers a chance to consider carefully whether they really know what they are doing. Roger On

Re: [Talk-GB] Vandalism in London

2014-10-04 Thread David Woolley
On 04/10/14 21:58, Roger Calvert wrote: Perhaps the principle OSM editors could emit a warning whenever an edit is undertaken which could invalidate a relation, also noting how many other ways would be affected. This at least would give mappers a chance to consider carefully whether they really

Re: [Talk-GB] Vandalism in London

2014-10-04 Thread Frederik Ramm
Hi, On 10/05/2014 01:35 AM, David Woolley wrote: Note that both of them fix up the relations, by removing the member, so the relation is never structurally invalid The API would not allow deleting a way that is still member of a relation, so relations will (barring API bugs) always be