Re: [talk-au] more broken boundaries

2010-03-05 Thread Neil Penman
It would be useful to have access to a layer showing boundaries sourced 
externally as they were when originally loaded. That way the current boundary 
state can always be compared with the original.

However the below email is a bit cryptic for me.  How are boundaries getting 
broken?  One of the attached changesets indicates that the purpose was to 
separate administrative boundaries from roads, whereas recently I have been 
tagging administrative boundaries with keys for highways or waterways that 
follow the same course. Is there a consensus on the right way to go on this?

--- On Fri, 5/3/10, John Smith deltafoxtrot...@gmail.com wrote:

From: John Smith deltafoxtrot...@gmail.com
Subject: [talk-au] more broken boundaries
To: OSM Australian Talk List talk-au@openstreetmap.org
Received: Friday, 5 March, 2010, 9:47 AM

Anyone have any suggestions on how to approach people accidently
breaking boundaries, or better yet thoughts on how to prevent them
from being broken in the first place?

http://www.openstreetmap.org/browse/changeset/3358719
http://www.openstreetmap.org/browse/changeset/4007178

etc...

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Re: [talk-au] more broken boundaries

2010-03-05 Thread John Smith
On 6 March 2010 08:09, Neil Penman ianaf4...@yahoo.com wrote:
 It would be useful to have access to a layer showing boundaries sourced 
 externally as they were when originally loaded. That way the current boundary 
 state can always be compared with the original.

 However the below email is a bit cryptic for me.  How are boundaries getting 
 broken?  One of the attached changesets indicates that the purpose was to 
 separate administrative boundaries from roads, whereas recently I have been 
 tagging administrative boundaries with keys for highways or waterways that 
 follow the same course. Is there a consensus on the right way to go on this?

It doesn't matter what specifically happens to the boundaries
themselves, but it's rather easy to break the admin boundary relations
either by merging admin segments, but I'm not sure what happened in
the cases I've mentioned, although it appears segments were deleted
from the boundary, not just splitting the ways as I had to re-add
them.

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Re: [talk-au] more broken boundaries

2010-03-05 Thread Liz
On Sat, 6 Mar 2010, Neil Penman wrote:
  One of the attached changesets indicates that the purpose was to separate
  administrative boundaries from roads, whereas recently I have been tagging
  administrative boundaries with keys for highways or waterways that follow
  the same course. Is there a consensus on the right way to go on this?
 
I can't claim a consensus
but I do not reuse the nodes of an admin boundary for a road.
Roads do change at the whim of the local council as they realign corners etc.
It also makes editing the roads difficult - and here it makes it hard for a 
new user to edit the road without breaking the admin boundary.
I do reuse the nodes for waterways because they are far more accurate than 
anything I can achieve for a river off Landsat imagery, and I have no other 
means of mapping the waterways in western NSW.

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Re: [talk-au] Australia BP service station datase

2010-03-05 Thread John Smith
On 6 March 2010 16:07, Nic Roets nro...@gmail.com wrote:
 I'm also guessing that amenity:express should rather be tagged as
 shop:convenience which is closer to the OSM tagging convention.

I have no strong opinion either way, that's just how it appears in the
BP CSV file.

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[talk-au] Trunk roads in central Australia

2010-03-05 Thread John Smith
I may be wrong here, but it just seems wrong to me that these roads
are marked as trunk:

http://www.openstreetmap.org/?lat=-24.5503234863281lon=132.173767089844zoom=9

Except for the Stuart Highway, I'm guessing, but shouldn't they be
primary or secondary?

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