Hi
On 29 May 2010 20:31, TimSC wrote:
> Roy has been importing data in his area, it will probably take weeks to
> polish that data! Good luck with that! In my experience, about 10% of
> polygons are incorrect but flagged by the mapseg program for correction.
> The remaining 90% are pretty good bu
On 30 May 2010 08:50, James Hogan wrote:
> Since it takes so long to process (took me 1h50m on laptop with an
> intel at 1.8GHz), is there a single place somewhere we can upload the
> resulting osm files of interesting areas (this one's 6.5MB)?
(~700KB bzip2 compressed)
--
James Hogan
> On a side note, has anybody noticed a consistent tendency
> for existing
> independently surveyed roads to be offset northwards (by
> around 5-10
> metres) from the OS data (vectormap and streetview)? I've
> seen various
> cases of existing roads being edited to be consistent with
> OS data,
> bu
On 30/05/10 08:50, James Hogan wrote:
> It seems to have most trouble where there are bordering lines, such as
> public buildings (york district hospital it really struggled with), or
> long terraces next to roads which it seems to want to rotate quite a
> bit.
Special buildings with dark borders
I'm in Devon and I see the same thing although whether it is just the SW I
don't know.
The Streetview tiles (as I see them in JOSM) are all offset to the SE by
5-10 metres. I've converted some woods in my area from the VectorDistrict
data using this process,
http://wiki.openstreetmap.org/wiki
Hi
I want to have a go at uploading a (small!) area of data from OS Vector
district.
Can Potlatch do this, or do I need to start using JOSM?
Cheers
Dave F.
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I'm in London and using the method, linked to by Kevin, the VectorDistrict
looks very good. I also converted to kml to see how some some of the old
docks near sea level matched up in google earth and I was more than happy.
Overlaying Vector District and 'StreetView tiles' in Josm indicates the
Stre
Dave F. wrote:
> I want to have a go at uploading a (small!) area of data from OS
> Vector district.
>
> Can Potlatch do this, or do I need to start using JOSM?
Potlatch can't, no. (Potlatch 2 will probably offer something in that way,
though.) It's about the one thing I use JOSM for. :)
cheers
I believe the StreetView tiles are offset south(ish) by a few metres in
East Yorkshire too. Reprojected shape files line up well with surveyed
data. I have traced a few buildings from StreetView but I've stopped
until I had worked out what was wrong. Now given other people's comments
I do think
By the way, which method are people using to re-project the VectorDistrict
data? I'm using the inbuilt datum in gdal - is anyone using the correct *.prj
file, and is there a difference?
Tim
--- On Sun, 30/5/10, Chris Hill wrote:
From: Chris Hill
Subject: Re: [Talk-GB] Offsets between OS and
Hi Tim,
Yes there is, at least with the version of GDAL I use. Chillly has written
about this on his blog, and the changes needed (adding Helmert transformations
- -sound fancy doesn't it) to the standard projection are noted in previous
messages here in talk-gb.
I think the divergence is much
So... I take that to mean that I should really be using the correct *.prj
file, rather than gdal's inbuilt datum?
Tim
--- On Sun, 30/5/10, Jerry Clough - OSM wrote:
From: Jerry Clough - OSM
Subject: Re: [Talk-GB] Offsets between OS and OSM data (was Building with
mapseg)
To: talk-gb@open
From: "TimSC"
Sent: Friday, May 28, 2010 10:11 AM
> The python code is here (with a readme file):
> http://timsc.dev.openstreetmap.org/dev/mapseg0.1.tar.gz
Looking forward to testing this, but having some problems with the
prerequisites. I've installed this 'Python' thing (version 2.6) and the
s
I've been walking the Warwickshire Centenary Way in stages, mapping as I go.
This week I came across a section of the Macmillan Way on the Edgehill
escarpment which the Centenary Way shares for a few Km. Wanting to add
this section to the relation for the Macmillan way I went to the LDP wiki
page
From: "Chris Hill"
Sent: Sunday, May 30, 2010 11:53 AM
> I believe the StreetView tiles are offset south(ish) by a few metres in
> East Yorkshire too. Reprojected shape files line up well with surveyed
> data. I have traced a few buildings from StreetView but I've stopped
> until I had worked out
Funny this subject should come up.
Working with the OS Locator data, I'm finding the bounding boxes to be
constantly about 50m to the east. In the south, they're also about 30m south.
In scotland they're about 10m north.
I'm using the srid transform 27700 -> 4326.
What am I doing wrong?
robe
On Sunday 30 May 2010 12:16:33 Tim François wrote:
> By the way, which method are people using to re-project the VectorDistrict
> data? I'm using the inbuilt datum in gdal - is anyone using the correct
> *.prj file, and is there a difference?
I'm using vectormap in Merkaartor from Git with the ori
I hate to sound pesemeistic, and may have missed somthing, but...
Do we have any gaurentee that this inacuracy isn't some messed up copy
protection/obfucation/deliberate error/easter egg thing introduced by OS? I
know they shouldn't have, but they are a relitivly clumsy organisation, and
I'm sure
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