Re: [OSM-talk] Potlatch and sketching from aerial imagery

2009-06-02 Thread Claudius
Am 02.06.2009 07:37, Ed Loach:
 FWIW I personally think highway=road is not generally of much
 use in 90% of
 cases. Whether you're tracing from Yahoo or NPE or whatever,
 you can very
 often work out what highway value the road should have.

 Yes, but if highway=road were in the list, people might read up on
 what it meant so that when adding all those country lanes they don't
 tag every single one as tertiary so as not to say that they've not
 been classified (i.e. they avoid the use of unclassified, rather
 than avoid the use of road).

 If I get bored at some point I might look at adding it to the
 presets if no-one has already.

 Ed

I've added it to the presets as unknown road on the bottom of the list.

Claudius


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[OSM-talk] Potlatch and sketching from aerial imagery

2009-06-01 Thread Joe Richards

I've been enjoying sketching/tracing from Yahoo aerial imagery in Potlatch (hey 
some people knit or do crosswords, I find _this_ relaxing!).  I recently 
discovered that the default 'highway' tag for roads taken from imagery is 
highway=road (_not_ highway=unclassified as would seem logical!)
http://wiki.openstreetmap.org/wiki/Yahoo!_Aerial_Imagery#How_to_sketch.3F

If that is the case, why does Potlatch not offer highway=road as one of its 
presents, under the little car icon?



  

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Re: [OSM-talk] Potlatch and sketching from aerial imagery

2009-06-01 Thread Maarten Deen
Joe Richards wrote:
 I've been enjoying sketching/tracing from Yahoo aerial imagery in Potlatch
 (hey some people knit or do crosswords, I find _this_ relaxing!).  I recently
 discovered that the default 'highway' tag for roads taken from imagery is
 highway=road (_not_ highway=unclassified as would seem logical!) 
 http://wiki.openstreetmap.org/wiki/Yahoo!_Aerial_Imagery#How_to_sketch.3F
 
 If that is the case, why does Potlatch not offer highway=road as one of its
 presents, under the little car icon?

You're thinking of the wrong unclassified. Unclassified here does not mean 
the 
road in OSM is not classified, or does not have a better designation, it means 
that it is designated as unclassified (that is: not motorway, primary, 
secondary, tertiaty) in the real world.

The OSM equivalent of a road for which the correct designation is not know is 
road.
So Potlatch does it as it should.

See also http://wiki.openstreetmap.org/wiki/Tag:highway%3Dunclassified

Regards,
Maarten

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Re: [OSM-talk] Potlatch and sketching from aerial imagery

2009-06-01 Thread Frederik Ramm
Hi,

Maarten Deen wrote:
 You're thinking of the wrong unclassified. Unclassified here does not mean 
 the 
 road in OSM is not classified, or does not have a better designation, it 
 means 
 that it is designated as unclassified 

I wonder what would happen if there was a military road the existence of 
which would have to remain secret. Would that then be a classified 
unclassified road, and under what circumstances could it become 
declassified?

Bye
Frederik

-- 
Frederik Ramm  ##  eMail frede...@remote.org  ##  N49°00'09 E008°23'33

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Re: [OSM-talk] Potlatch and sketching from aerial imagery

2009-06-01 Thread Richard Fairhurst

Joe Richards wrote:
 If that is the case, why does Potlatch not offer highway=road 
 as one of its presents, under the little car icon?

Because I don't really keep up with the ever-changing tagging discussions -
life's too short. Anyone with svn access can augment the Potlatch
preset/autocomplete files, they're all in easy-to-understand text:

http://trac.openstreetmap.org/browser/sites/rails_port/config/potlatch/

I do however reserve the right, should you add smoothness=very_horrible, to
remove it again, and additionally to come round to your house and kill you.

FWIW I personally think highway=road is not generally of much use in 90% of
cases. Whether you're tracing from Yahoo or NPE or whatever, you can very
often work out what highway value the road should have. Certainly, if it
were to be added to the preset menu, it'd need to be with a very clear
description of what it's intended for - road, unsure of type or something
like that.

cheers
Richard
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Re: [OSM-talk] Potlatch and sketching from aerial imagery

2009-06-01 Thread Ed Loach
 FWIW I personally think highway=road is not generally of much
 use in 90% of
 cases. Whether you're tracing from Yahoo or NPE or whatever,
 you can very
 often work out what highway value the road should have.

Yes, but if highway=road were in the list, people might read up on
what it meant so that when adding all those country lanes they don't
tag every single one as tertiary so as not to say that they've not
been classified (i.e. they avoid the use of unclassified, rather
than avoid the use of road).

If I get bored at some point I might look at adding it to the
presets if no-one has already.

Ed



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