Re: [talk-au] Vote on highway=nonexistent

2009-10-27 Thread Graeme Wilson

OK, I have more or less figured out what you are trying to do. I hadn't paid 
close attention to the various emails that flew by.

 

I wont vote on whether to have this or not, I just hope you guys have your 
finger on the pulse. It all automatically went into my too hard basket.

 

I would definitely agree with highway=disused, I find plenty of them, but if it 
is to be displayed, then can it be a significant colour and/or thickness and/or 
dashed line or whatever to indicate disused.

 

What I do find a lot of, particularly in very old, small towns is that the 
basic layout is straight streets and right angle intersections, and many of 
these towns physically dont have the outer most streets, ie never existed, or 
are barely visible wheel tracks. (or fenced off by locals and running goats and 
chooks etc) but they exist on the Garmin Nuvi - whereis.com thingie and this is 
what I want OSM to avoid. The level of map I need is just a mud map with only 
what really exists.

 

Going back a bit, could gazetted roads that dont exist or are yet to be made be 
coloured/thickness altered/dashed or signified differently if they are going to 
be displayed. 

 

Or have an optional button to click on to highlight non existant stuff..

 

Hope you can figure out what I am going on about.

 

Keep up the good work.

 

Graeme Wilson VK1RE

 
  
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Re: [talk-au] Vote on highway=nonexistent

2009-10-27 Thread John Smith
2009/10/27 Graeme Wilson wandere...@live.com.au:
 I would definitely agree with highway=disused, I find plenty of them, but if
 it is to be displayed, then can it be a significant colour and/or thickness
 and/or dashed line or whatever to indicate disused.

You'd have to work how how these should be displayed, if at all, and
then file a bug to get the main OSM maps to render it that way, I can
help with testing if they people feel they should be rendered.

 What I do find a lot of, particularly in very old, small towns is that the
 basic layout is straight streets and right angle intersections, and many of
 these towns physically dont have the outer most streets, ie never existed,
 or are barely visible wheel tracks. (or fenced off by locals and running
 goats and chooks etc) but they exist on the Garmin Nuvi - whereis.com
 thingie and this is what I want OSM to avoid. The level of map I need is
 just a mud map with only what really exists.

They should only be displayed in editors, or in custom rendered maps
that want these to show, they shouldn't render normally as most maps
should only display things that really exist.

 Going back a bit, could gazetted roads that dont exist or are yet to be made
 be coloured/thickness altered/dashed or signified differently if they are
 going to be displayed.

I don't think anyone wants these to render on a regular map, but
several of us want them to be in the OSM database so then it comes
back to filing bugs against editors to have them shown in a particular
way, but that's a different issue.

I have made custom map rendering in the past, I made a map style sheet
that displays coloured post code boundaries but doesn't show any other
regular map features.

http://maps.bigtincan.com/?z=4ll=-28.228,134.963layer=00B00TT

This was to help with doing post codes boundaries and was a special case.

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Re: [talk-au] Vote on highway=nonexistent

2009-10-26 Thread Jim Croft
isn't problem with all this the word in the tag 'nonexistent' is
ambiguous in that it could refers to (at least) three things:

. A road that has never never existed but is/was 'planned' - e.g.
Monash Dr in Canberra
. A road that used to exist but is now 'overgrown', 'rerouted', washed
away, etc.
. A road that never existed other than on a map, either by mistake or
by intent (e.g. easter eggs)

It would seem that lumping all under a single tag perpetuates
ambiguity and confusion.

In any case, they are mapping artifacts that should be recorded even
if thy are not rendered by default.  If they are not recorded and
explained they will keep coming up and and people will keep revisiting
and spending time on the issue.

jim

On Tue, Oct 27, 2009 at 8:03 AM, swanilli swani...@gmail.com wrote:
 I forgot to vote myself:

 1. No
 2. No

 2009/10/26 swanilli swani...@gmail.com

 The current suggestion in
 http://wiki.openstreetmap.org/wiki/Australian_Tagging_Guidelines is that
 roads that do not yet exist be tagged highway=nonexistent.

 There are two key questions to be answered:
 1.  Should such roads be entered into OSM?
 2.  If they are to be entered, should they be tagged highway=nonexistent?

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Re: [talk-au] Vote on highway=nonexistent

2009-10-26 Thread John Smith
2009/10/27 Jim Croft jim.cr...@gmail.com:
 . A road that has never never existed but is/was 'planned' - e.g.
 Monash Dr in Canberra

Since getting access to some data sources we can now map these without
infringing copyright, in future we may actually be given access to
data that actually has roads and it would be useful to mark
non-existent roads so they don't get re-imported the next time etc.
This is the only case that this discussion is about.

 . A road that used to exist but is now 'overgrown', 'rerouted', washed
 away, etc.

If it were railway it would be tagged railway=disused, I don't see why
these can't be tagged highway=disused.

 . A road that never existed other than on a map, either by mistake or
 by intent (e.g. easter eggs)

These shouldn't be mapped, there is suggestions on what you could do
on the aussie tagging guidelines page.

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[talk-au] Vote on highway=nonexistent

2009-10-25 Thread swanilli
The current suggestion in
http://wiki.openstreetmap.org/wiki/Australian_Tagging_Guidelines is that
roads that do not yet exist be tagged highway=nonexistent.

There are two key questions to be answered:

1.  Should such roads be entered into OSM?

2.  If they are to be entered, should they be tagged highway=nonexistent?
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