Re: [talk-au] Canberra - last white spot on the map

2010-02-13 Thread Richard Colless




I've checked and corrected 6 servos in my area (Campbelltown, NSW).
Only 1811 to go.
That includes putting two service roads into ones that are on a corner.
I found that corrected the navigation problem we had in an earlier
thread.

Richard C.

John Smith wrote:

  On 8 February 2010 21:48, Richard Colless fire...@ar.com.au wrote:
  
  
This link has a download for Caltex and Caltex Woolworths servos, in CSV
format:
http://apps.nowwhere.com.au/caltex/austlocator/search.aspx

  
  
All 1817 points were added to the database, although there were 9
pairs of points that shared the same location even though the address
details given were different, bad geocoding...

http://www.openstreetmap.org/browse/changeset/3840216


  




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Re: [talk-au] Canberra - last white spot on the map

2010-02-13 Thread John Smith
On 13 February 2010 18:30, Richard Colless fire...@ar.com.au wrote:
 I've checked and corrected 6 servos in my area (Campbelltown, NSW). Only
 1811 to go.

There is probably quite a few BP locations and coles express locations
still needing to be fixed as well that there is no hi-res imagery
covering the area.

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Re: [talk-au] Canberra - last white spot on the map

2010-02-13 Thread Richard Colless






David Murn wrote:

  
All 1817 points were added to the database, although there were 9
pairs of points that shared the same location even though the address
details given were different, bad geocoding...

  
  
I must have missed it, but was permission granted by the content owners,
or is someone hoping to use OSM in a legal testcase?

David


  

Actually, the data on OSM is not the same as what is on the original
database - different GPS coordinates, some spelling differences etc,
which can be readily demonstrated. A test case probably wouldn't get
very far.

Richard



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Re: [talk-au] Fixing ABS boundaries?

2010-02-13 Thread John Smith
On 14 February 2010 10:58, Sam Wilson s...@archives.org.au wrote:
 Ought one fix ABS administrative boundaries to bring them into line with
 roads (or nearmap, or surveys, or whatever else seems to actually be
 accurate)?

The more I've had to deal with this the more I think it's a bad idea
to move them to match roads. Chances are the ABS and other govt
agencies won't accept any data we produce for QA reasons so would
there be any real reason to improve the data if it's close enough?

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Re: [talk-au] Fixing ABS boundaries?

2010-02-13 Thread John Smith
On 14 February 2010 11:26, Sam Wilson s...@archives.org.au wrote:
 You're quite right, there's no reason to change the ABS data if it is,
 by definition, correct.  I guess I'd just been thinking that it was
 probably supposed to match the roads.

Which makes it difficult to fix roads if the boundaries are always
getting in the way, potlatch and JOSM don't do anything sensible to
protect boundaries at this point in time.

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Re: [talk-au] Fixing ABS boundaries?

2010-02-13 Thread Richard Colless






Sam Wilson wrote:

  So the ABS defines boundaries with coordinates, then?  Rather than roads 
etc. (as, say, electoral boundaries are defined)?

You're quite right, there's no reason to change the ABS data if it is, 
by definition, correct.  I guess I'd just been thinking that it was 
probably supposed to match the roads.


  

The ABS boundaries were defined many years ago, usually by some form of
surveying data based on existing roads, watercourses etc.. But in a lot
of cases, the roads which were originally used have been moved, in some
cases by tens of metres. The ABS boundaries have never been updated.

Richard



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Re: [talk-au] Fixing ABS boundaries?

2010-02-13 Thread John Smith
On 14 February 2010 15:37, Richard Colless fire...@ar.com.au wrote:
 The ABS boundaries were defined many years ago, usually by some form of
 surveying data based on existing roads, watercourses etc.. But in a lot of
 cases, the roads which were originally used have been moved, in some cases
 by tens of metres. The ABS boundaries have never been updated.

You also have differences in datums that cause small errors and so on...

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