Re: [Talk-GB] Newbie damage alert in West Midlands and London

[Steve Brook via Talk-GB]

This user has just deleted Broadcasting House. 
https://www.openstreetmap.org/changeset/95699320 
Can someone block him and revert all his work.
https://www.openstreetmap.org/user/TL5100/history
Most if not all of it is vandalism. 

-Original Message-
From: Russ Garrett [mailto:r...@garrett.co.uk] 
Sent: 09 December 2020 19:53
To: Colin Smale
Cc: Talk-GB
Subject: Re: [Talk-GB] Newbie damage alert in West Midlands

Ah I ran into his work this afternoon by pure chance and reverted one
of these changesets (95506246) and left a comment - no reply as yet.
It looked like vandalism to me.


Russ

On Wed, 9 Dec 2020 at 19:51, Colin Smale  wrote:
>
> A new user, TL5100, is causing a bit of damage in the Midlands, deleting 
> loads of things for no obvious reason. A couple of their changesets have 
> comments to this effect already. Could someone have a word?
>
> https://www.openstreetmap.org/user/TL5100/history#map=11/52.0822/-2.4818
>
>
> ___
> Talk-GB mailing list
> Talk-GB@openstreetmap.org
> https://lists.openstreetmap.org/listinfo/talk-gb



-- 
Russ Garrett
r...@garrett.co.uk

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[Talk-gb-westmidlands] Hereford area deletions by TL5100

[Steve Brook via Talk-gb-westmidlands]

New user TL5100 | OpenStreetMap 
has deleted a lot of stuff in Hereford, Ledbury and Worcester area. Can
someone check their work and revert if necessary

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[Talk-GB] Mapping Attenuation Ponds / Sustainable Drainage schemes

[Steve Brook]

Many new UK housing estates are required to be built with Attenuation Ponds
/ Sustainable Drainage schemes as part of their development. These are to
control rain water runoff during storms and consist of a pond surrounded by
an embankment with a controlled release structure to slow down drainage of
the water to the river system.  

 

The relevant features might be

. Low or normal water level of pond

. High water level or top of embankment

. Land use/vegetation between low/high water marks is water
tolerant/marsh plants

. Structures for water input and output - often brickwork and filter
screens round a pipe.

 

Has anyone any experience of mapping and tagging such a structure? 

Are there any examples of where this has been done?

 

Steve

 

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Re: [Talk-GB] Bing imagery

[Steve Brook]

I am getting a strange effect in JOSM where, as I move around I get a flash
of the old higher quality image which then degrades to the newer poor
quality image.  Is the old stuff available but being superseded or
overwritten by the new inferior images - any explanations.

The newer imagery is going to make my job of finishing tracing the rest of
the houses in my village almost impossible.

I would much prefer old imagery of better quality than more recent imagery
of poor quality.
Does anyone have a cache of the old stuff?

Steve

-Original Message-
From: Will Phillips [mailto:wp4...@gmail.com] 
Sent: 02 March 2014 14:49
To: talk-gb@openstreetmap.org
Subject: Re: [Talk-GB] Bing imagery

My impression is that the imagery at zoom level 20 has gone for most, if not
all, the country. This might not be noticeable everywhere: many areas will
have only ever had images up to level 19. Also, some of the level 19 imagery
is well lit, sharp and not particularly different from what Nottingham
previously had at zoom level 20.

A couple of specific areas:
Chester - I've just had a look here. I believe it is zoom level 19, but it's
well lit, sharp, and generally good for tracing.

Nottingham - The imagery for most of Nottingham is now a bit blurry and
badly lit. It's borderline whether it's usable for tracing buildings (some
areas are better lit than others). An exception is the very north part of
the city, which has imagery from a different source. This is much better
quality (but still only zoom level 19).

Regards,
Will


On 02/03/2014 11:35, tony wroblewski wrote:
 I noticed this also in a few areas, it seems the high resolution has 
 been removed. It's still present around Chester though, so it isn't 
 everywhere

 Regards

 Tony



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[Talk-GB] Wychavon Way Revised Route

[Steve Brook]

Worcestershire County and Wychavon District Council have revised the route of 
the Wychavon Way long distance footpath so it now resides entirely within the 
Wychavon District. The main changes appear to be 

1.   The walk now starts in Droitwich instead of Holt Heath

2.   The walk now end in Broadway instead of Winchcombe

3.   The Fladbury-Elmley Castle section now runs via pershore and the top 
of Bredon Hill

To update the relation to reflect the new route; I have moved sections of the 
original route that were demoted into child relations contained within  the 
original relation. I think this is a better solution for retaining the old 
route information (which is still walkable and marked on other providers maps, 
guides and old waymarkers) than duplication of the common parts in two separate 
relations for the New and for the Original route.

The original relation is 72579 
http://www.openstreetmap.org/browse/relation/72579  and the two new children 
are 2227883 http://www.openstreetmap.org/browse/relation/2227883  and 2227884 
http://www.openstreetmap.org/browse/relation/2227884 . I expect to add 
another child for the unmapped Ashton-Under-Hill to Winchcombe section which is 
no longer part of the route.

 

Steve

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Re: [Talk-GB] Admin Boundaries and OS OpenData BoundaryLine

[Steve Brook]

Hi

Having done the import for the all of the Worcestershire parishes I will add
my views:

It should only be attempted by an experienced mapper who is familiar with
revert and other advanced techniques and can follow the guidelines on the
wiki. The potential to break something is very great, so I would question
making converted data available. Any conversion needs to build the relations
so use something like 'ogr2osm' to create .osm files - a conversion to GPX
will not do this.
Adding data to the map should not be done as a bulk import as there is a lot
of existing data - some imported and some traced from old map sources. Any
data you import needs to be integrated with existing data. Every boundary
will be shared between at least 2 relations and often many more.

The 'ogr2osm' conversion produced way segments that had a common shared
boundary with another parishes and also produced all the parish level
relations. I then just had to give them the right tags - it's much better to
get them right in the editor before upload than to have to correct them
later. Where parish boundaries were also district, county or region
boundaries I elevated the admin level before the import as it made the
filtering during the subsequent tidy up process easier. I also created
temporary relations for the county level boundaries before import to assist
with the later tidy up stage. Some lines on the perimeter of my data needed
to be cut where at the 3 county intersections. To do this I need to go back
to the original data to find the correct node to use. This was the main
reason why I chose to do the whole county in one go to minimise subsequent
work at the edges of the area I worked on.

I was lucky in Worcestershire as very few parish boundaries were present and
they were fairly easy to sort out by deleting those that only had boundary
tags and removing boundary tags from shared ways. 
I made a note of the numbers of all the existing boundary relations in the
area before I started work so I could update them with my new data. Where my
import matched some one else's import of the district boundary data I
usually kept the earlier work but split it into parish segments. The work
took many evening and late nights to complete.

If anyone wants more specific advice I am willing to provide it - just send
me an email.

Steve



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Re: [Talk-GB] How to get a Relation History?

[Steve Brook]

You could try using the OSM History Browser to list the change sets and
allow you to compare selected changes.

http://osm.virtuelle-loipe.de/history/

I got this from the Route Relations 'h' link on the
http://wiki.openstreetmap.org/wiki/WikiProject_United_Kingdom_Long_Distance_
Paths page. It will provide the relation number and take you straight there:
http://osm.virtuelle-loipe.de/history/?type=relation
http://osm.virtuelle-loipe.de/history/?type=relationref=86561 ref=86561

 

Steve

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Re: [Talk-GB] GB License Change Readiness

[Steve Brook]

You could try using the OSM History Browser to list the change sets and
allow you to compare selected changes.
 
http://osm.virtuelle-loipe.de/history/
 
I got this from the Route Relations 'h' link on the
http://wiki.openstreetmap.org/wiki/WikiProject_United_Kingdom_Long_Distance_
Paths page will provide the relation number and take you straight there:
http://osm.virtuelle-loipe.de/history/?type=relationref=63872

Also The Deep Diff tool may be of use (linked from the OSM Inspector licence
change view)
http://osm.mapki.com/history/

Steve

-Original Message-
From: Andy [mailto:andy...@gmail.com] 
Sent: 09 January 2012 17:47
To: Michael Collinson
Cc: OSM talk-gb
Subject: Re: [Talk-GB] GB License Change Readiness

 Does anyone know of a way to see just the tagging history of the 
 relation itself?

JOSM can reliably show the full history of a relation, even one with many
versions (such as 34269).

  At the moment I have no clue as what proportion are routes (ugh!) and 
 what are building multi-polygons and relatively easy to remap.

Hopefully many of them are turn restrictions and boundaries, which should
also be relatively easy to sort out.

Andy

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[Talk-gb-westmidlands] Kidderminster

[Steve Brook]

I have now completed my updates to sector 21 (Spennells)
I managed to do the housing estate area and the nature reserve.
I was not able to do the commercial areas between the railway line and the A449 
so these will have to be done by someone else.

I very much enjoyed my day in Kidderminster and look forward to working with 
you all again in the future.

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