Re: [talk-ph] adding place reference to a POI

2009-05-21 Per discussione Mike Collinson
At 10:43 AM 21/05/2009, maning sambale wrote:
Hi,

Some GPS/data contributor (not osm contributor), suggested I add place
reference to POI like in the name tag Jollibee (Morato) or
Jollibee-Morato something.  Adding this should allow referencing of
POI names in GPS units.  However, we have an is_in tag in OSM.

I feel it's the gps map compiler (mkgmap) who should do the work for
this.  Any ideas?

I agree.  Me, I strictly name stores according to what the store itself says in 
its sign.  It should not be difficult to write code to look at the is_in tag or 
addr:street tag and add it to the name.

Mike 



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Re: [talk-ph] 1st OpenStreetMap Philippines Mapping Party Success!

2009-05-21 Per discussione maning sambale
Here's my post-party blog report
http://epsg4253.wordpress.com/2009/05/21/post-party-report-tagaytay-osm-ph-mapping/

And since the party was so last week, where do we go next?

On Mon, May 18, 2009 at 12:49 PM, Eugene Alvin Villar sea...@gmail.com wrote:
 Napansin ninyo ba, ambilis mag-update ng Mapnik layer! Talo pa ang
 OSMARender (t...@h).

 I just entered some roads awhile ago and it's now rendered in OSM!


 On Mon, May 18, 2009 at 9:41 AM, Ed Garcia eppgar...@gmail.com wrote:

 Very nice work Eugene!   Bow ako.  Yes, I believe there are no other maps
 out there yet that has such detail of Picnic Grove.

 Was nice to meet you in person.

 ed


 On Mon, May 18, 2009 at 9:18 AM, Eugene Alvin Villar sea...@gmail.com
 wrote:

 Here's the initial mapping for Tagaytay Picnic Grove:
 http://openstreetmap.org/browse/changeset/1226711

 I don't think there's any other online map out there (and maybe even a
 paper-based map) that shows such details. :-)


 On Sun, May 17, 2009 at 12:13 PM, Eugene Alvin Villar sea...@gmail.com
 wrote:

 I had fun guys! And it was really nice finally meeting the faces behind
 the edits. Hehehe.

 I can't count the number of times I did the mane obra during the
 mapping. :-P


 On Sun, May 17, 2009 at 12:34 AM, Andre Marcelo-Tanner
 an...@enthropia.com wrote:

 Hi all,

 I want to congratulate everyone on a job well done today as we went
 around Tagaytay and mapped the place out. It was a pleasure meeting all
 of you: Maning, Eugene, Ian, Rally, Neil, Ed, and the photographer guy
 from the Inquirer whose name I forgot (sorry!) and the family members
 who were there. It was fun, exciting, and also a great learning
 experience. This is only the beginning and I know we'll be able to do
 more events to bring OSM Philippines to a wider audience and map more
 of
 the Philippines than anyone else could have imagined.

 Best Regards,

 Andre

 P.S. Pa post ng pics sa Facebook or somewhere :)

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Re: [talk-ph] adding place reference to a POI

2009-05-21 Per discussione Eugene Alvin Villar
I was thinking of having a branch=* tag for these things. That way, the
tools/renderers can have freedom to use this info however they want (add
them in parentheses, use smaller fonts, etc.).

Practically every company that has branches have names for their branches.
It's not necessarily the city/district/street they are on.


On Thu, May 21, 2009 at 6:01 PM, Mike Collinson m...@ayeltd.biz wrote:

 At 10:43 AM 21/05/2009, maning sambale wrote:
 Hi,
 
 Some GPS/data contributor (not osm contributor), suggested I add place
 reference to POI like in the name tag Jollibee (Morato) or
 Jollibee-Morato something.  Adding this should allow referencing of
 POI names in GPS units.  However, we have an is_in tag in OSM.
 
 I feel it's the gps map compiler (mkgmap) who should do the work for
 this.  Any ideas?

 I agree.  Me, I strictly name stores according to what the store itself
 says in its sign.  It should not be difficult to write code to look at the
 is_in tag or addr:street tag and add it to the name.

 Mike



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Re: [talk-ph] 1st OpenStreetMap Philippines Mapping Party

2009-05-21 Per discussione maning sambale
Thanks

On Fri, May 22, 2009 at 12:10 PM, Andre Marcelo-Tanner
an...@enthropia.com wrote:
 Awesome post, will spread the word. Would be cool too if the video had
 some quick music :)
Sorry, no time right now.  The render is just a python script.  I can
send the file for anyone who wants to do more pimping or you can
download via flickr (pwede ata)

 Do others have pictures, please post :)
Yes please do.
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Re: [talk-ph] 1st OpenStreetMap Philippines Mapping Party Success!

2009-05-21 Per discussione Marloue Pidor
Yup, we use the GT-31 GPS (other GPS unit will do as long as it sends
raw NMEA data). You can use two laptop and 1 GPS unit the laptop where
the GPS is connected can share the GPS data to the other laptop using
ad-hoc connection (not road tested yet). You will now have a GPS
server for the other laptop (all running on Ubuntu 9.04) using the
tangoGPS. Nice. Here's the video, its a bit shaky
http://www.flickr.com/photos/37115...@n06/3553501790/

Yes we did the Rally style mapping its effective and efficient.

The dry run seems good next the mapping party.

murlwe

-Original Message- 
From: maning sambale [emmanuel.samb...@gmail.com]
Sent: 5/22/2009 11:12:37 AM
To: talk-ph@openstreetmap.org
Subject: Re: [talk-ph] 1st OpenStreetMap Philippines Mapping Party
Success!

Did I get you right? TangoGPS on a laptop hooked to the GT-31
(gpstogo unit)? From the screenshot it shows the mapnik layer.
Nice! Mught be what ronny is looking for.

May I suggest you add what Rally does by encoding which side of the
street the POI is located (left or right based on the driving
direction).


On Fri, May 22, 2009 at 12:42 AM, Marloue Pidor
mur...@mail2engineer.com wrote:
 We just had a dry run for our plans here for a mapping party (selos
talaga
 kami). We use tangoGPS
 (http://www.flickr.com/photos/37115...@n06/3551186301/) for mapping
and POI
 insertion interfacing GPStogo. George (smackcode) will be releasing
an
 application specifically for OSM mapping. And George will have
another talk
 for OSM applications (http://www.ideacampdavao.com/).

 murlwe

 -Original Message-
From: maning sambale [emmanuel.samb...@gmail.com]
Sent: 5/21/2009 11:07:52 PM
To: talk-ph@openstreetmap.org
Subject: Re: [talk-ph] 1st OpenStreetMap Philippines Mapping Party
Success!

Here's my post-party blog report
http://epsg4253.wordpress.com/2009/05/21/post-party-report-tagaytay-o
sm-ph-mapping/

And since the party was so last week, where do we go next?

On Mon, May 18, 2009 at 12:49 PM, Eugene Alvin Villar
sea...@gmail.com
wrote:
 Napansin ninyo ba, ambilis mag-update ng Mapnik layer! Talo pa ang
 OSMARender (t...@h).

 I just entered some roads awhile ago and it's now rendered in OSM!


 On Mon, May 18, 2009 at 9:41 AM, Ed Garcia
eppgar...@gmail.com wrote:

 Very nice work Eugene! Bow ako. Yes, I believe there are no
other maps
 out there yet that has such detail of Picnic Grove.

 Was nice to meet you in person.

 ed


 On Mon, May 18, 2009 at 9:18 AM, Eugene Alvin Villar
sea...@gmail.com
 wrote:

 Here's the initial mapping for Tagaytay Picnic Grove:
 http://openstreetmap.org/browse/changeset/1226711

 I don't think there's any other online map out there (and
maybe even a
 paper-based map) that shows such details. :-)


 On Sun, May 17, 2009 at 12:13 PM, Eugene Alvin Villar
sea...@gmail.com
 wrote:

 I had fun guys! And it was really nice finally meeting the
faces behind
 the edits. Hehehe.

 I can't count the number of times I did the mane obra
during the
 mapping. :-P


 On Sun, May 17, 2009 at 12:34 AM, Andre Marcelo-Tanner
 an...@enthropia.com wrote:

 Hi all,

 I want to congratulate everyone on a job well done
today as
we went
 around Tagaytay and mapped the place out. It was a
pleasure
meeting all
 of you: Maning, Eugene, Ian, Rally, Neil, Ed, and the
photographer guy
 from the Inquirer whose name I forgot (sorry!) and the
family members
 who were there. It was fun, exciting, and also a
great learning
 experience. This is only the beginning and I know
we'll be
able to do
 more events to bring OSM Philippines to a wider
audience
and map more
 of
 the Philippines than anyone else could have imagined.

 Best Regards,

 Andre

 P.S. Pa post ng pics sa Facebook or somewhere :)

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--
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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Lester Caine
( CHANGE THE EMAIL ADDRESS :( These odd sites that don't return list 
posts to the list ARE a pain! )

Guenther Meyer wrote:
 Am Wednesday 20 May 2009 schrieb Greg Troxel:
 we in germany have the three base zones I mentioned, but it's no problem tom 
 extend these for countries with more basic settings...

For routing purposes, the speed for each segment of a route is
important, and for speed I am sure that the ideal situation is that ALL
highway segments have their speeds assigned ( ADDING VARIABLE for those
motorway flyover routes which pass over and under the lower speed local
roads and have traffic flow management )

While a discussion on ADDING the speed zones applied by other means is
possibly useful, having to process that data to provide all of the
options for the routing software seems pointless to me, and so the roads
within those areas SHOULD simply have their maxspeed set - even if that
is applied by some blanket area rule initially.

Things like residential - with a lower limit, or school zone which
applies a lower limit during certain hours and internal 'bypasses' with
different speeds all along them all need to be set manually on the
route, so do we really need another level of complexity when simply
adding the speed to each road, and segmenting the road correctly at a
speed change sign, will get around ALL the problems and also help people
writing route finding software to identify the minimum time each section
will take.

People will claim that the application of area information via SQL
queries on a database is fast, but it still takes a lot more processing
power than doing the exercise once and being able to simply search for
routes from a list of highway segments?

So while discussing HOW the default speed for roads are calculated is
important, can we not simply apply that speed without adding another
layer of complexity? A default of the speed of a previous road section
should be all that is needed where a maxspeed is not defined  rather
than THEN having to go to check some higher level rule.

-- 
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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Ed Loach
 So as long as exception roads have speed tags, what's the
 problem?

None as far as I can see, but by the time you've checked every road
in the zone to see whether it is an exception, and presumably tagged
it as checked so other mappers know it has been checked so they
don't also need to go and check, you may as well tag it with the
maxspeed. 

Ed



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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Guenther Meyer
Am Thursday 21 May 2009 schrieb Lester Caine:
 For routing purposes, the speed for each segment of a route is
 important, and for speed I am sure that the ideal situation is that ALL
 highway segments have their speeds assigned ( ADDING VARIABLE for those
 motorway flyover routes which pass over and under the lower speed local
 roads and have traffic flow management )

I would propose exactly that, but with zone:traffic, not with maxspeed.
why?

when the maxspeed is tagged directly, I would assume that the limit is 
signposted.

when I find a zone:traffic-tag and a different maxspeed-tag on the same way, I 
would assume that the way lies in that zone, but is has an explicitly 
signposted different limit, which then would be used in a routing application.

that would be an easy understandable and defined way of tagging and using 
those tags.

 While a discussion on ADDING the speed zones applied by other means is
 possibly useful, having to process that data to provide all of the
 options for the routing software seems pointless to me, and so the roads
 within those areas SHOULD simply have their maxspeed set - even if that
 is applied by some blanket area rule initially.

right, but the maxspeed should be derived from the zone-tag.
if you use only the maxspeed-tag, than you can't distinguish, if the limit 
comes from a traffic sign or the zone/type of street...



 So while discussing HOW the default speed for roads are calculated is
 important, can we not simply apply that speed without adding another
 layer of complexity?
I wouldn't do that, because it's a derived value depending on a lot of things 
like road type, time of day, weekday, construction sites, ...

ok, you might add this value additionally with a special tag, to give a hint 
to routing applications.

but there are more applications than just routing, to  which that data may be 
useless.
on the other hand the speed limits are defined values (at least in every 
country I have been so far...).






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Re: [OSM-talk] [Fwd: Re: zones for motorway/in town/outof town?]

2009-05-21 Per discussione Guenther Meyer
Am Thursday 21 May 2009 schrieb Radomir Cernoch:
 Guenther Meyer píše v Čt 21. 05. 2009 v 00:49 +0200:
  Am Wednesday 20 May 2009 schrieb Radomir Cernoch:
  ...but you would need some kind of gis database/functions to evaluate the
  polygon data.
  the easy way of reading just keys and values like with most of the other
  features in the osm database would not be possible.

 I have read somewhere (a few weeks ago) that querying whether a point
 lies in a country can be done quickly. I was assuming that the same
 should be possible for any polygon. However I am not aware of technical
 details.

yes - if you can make use of a database with geospatial extension like 
postgis. there you have functions to find out easily if a point or a line 
(which streets are) lies inside a given polygon.
I you don't have those functions, I don't know if this is possible.
It may be, but this would be a very complex thing...



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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Guenther Meyer
Am Thursday 21 May 2009 schrieb Radomir Cernoch:
 Guenther Meyer píše v Čt 21. 05. 2009 v 00:51 +0200:
  Am Wednesday 20 May 2009 schrieb Jacek Konieczny:
   That would not work very well in Poland. Town/city/village
   administrative border usually differ from the built up zone borders.
 
  right. the same in germany.
  that's why we nedd to different zones:
  one like zone:traffic=... for speed limits and other legalities,
  and one, let's call it zone:administrative=... for the administrative
  border.

 Hi, this sounds reasonable. But is there a difference between
 boundary=administrative and zone:administrative=*?

it's exactly the same, just the name is a different one.

I would propose to tag these all with a generic key called zone, to unify 
the tagging.
but of course I know that the boundary key is widely known and used...





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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Florian Lohoff
On Wed, May 20, 2009 at 10:57:52PM +0100, Radomir Cernoch wrote:
  
  The problem with the polygon is that you set a default without checking 
  every
  individual street.
 
 Yes, but there are other people as well. What if they add a new street
 to the area you have carefully checked and then forget to add the zone
 info.
 

Speedlimit is not like a missing name - Speed kills and we need to be pretty
shure its accurate - Better no speed information at all than a sever broken
one. I dont care if the name is missing but i care whether the speed is
correct. I'd want my navi to either show me the correct speed or that
it doesnt know instead of showing me wrong information 30% of the time.

  Id rather check all the individiual streets and tag them
  one by one when i am shure i have the correct fact.
 
 And if JOSM could understand the speed-polygon and told you:
 This road has speed limit 50 km/h because of way 2387567.
 Would it be a suitable solution?

First josm needs to learn to put polygons into a seperate layer before
we start adding even more ...

 When someone more knowledgeable about the town comes after me, he can
 easily set 'maxspeed=*' tag to roads, which have such regulation.
 If I had put 'zone-50' tag there? What would you do if you find that
 someone else had put a tag you consider suspicious? Probably
 double-check that place... spending more time checking someone else's
 mistake.

There is no solution other than local survey - everything else is 
guessing - and IMHO openstreetmap is a collection of facts not guesses.
So better have no fact than wrong guesses - at least thats true
for maxspeed. 

I know its frustrating to see the map grow slowly but better than having
a pile of bullshit nobody cares to look after. My experience is that once
a street is in OSM nobody cares whether the name, maxspeed or something is 
correct. So better you be accurate right from the beginning.

 Lastly I must say that I really do feel for a perfect, detailed map.
 But I try not to forget about other people, especially newbies and also
 about those people, who do not spend hours studying wiki.

No worry - just ignore maxspeed for the moment - its not that important. 

Flo
-- 
Florian Lohoff  f...@rfc822.org +49-171-2280134
Those who would give up a little freedom to get a little 
  security shall soon have neither - Benjamin Franklin


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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Mike Harris
I would suggest: motorway, urban, rural. 


Mike Harris

-Original Message-
From: Guenther Meyer [mailto:d@sordidmusic.com] 
Sent: 20 May 2009 06:44
To: Talk Openstreetmap
Subject: [OSM-talk] zones for motorway/in town/outof town?

hi,

currently there is a discussion on the german list about tagging speed limits 
respectively different zones. as there are implied also other things than 
maxspeed there are proposed three default zones, derived from the signs 
standing at every border crossing point:

a) motorway: that's very clear, therea are no or very high limits.
b) city areas with limited speed and some restrictions
c) everything else, mostly out of town.

so this questions goes primarily to the native english speakers:
what would be the right term for a value for these zones?

a) motorway? this one would be very clear I think.
b) in_town? place? urban? it's the thing we call geschlossene ortschaft in
   germany, which inludes everything from very small villages to really large
   cities (bounded by yellow squared signs in germany).
c) out_of_town? rural?



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Re: [OSM-talk] Satellite for OSM

2009-05-21 Per discussione Peter Childs
2009/5/20 Joe Richards joefis...@yahoo.com:

 Where did this idea go in the end? It seems the talk about it petered-out, or 
 was some action agreed (along with who was going to undertake it)?



Given the US have forgotten to keep the GPS system up to date, maybe
we need a few satelites of our own to replace it... Or maybe we can
use Galileo once its up instead.


Peter.

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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Cartinus
On Thursday 21 May 2009 01:24:36 Radomir Cernoch wrote:
 Cartinus píše v Čt 21. 05. 2009 v 01:01 +0200:
  It is completely possible for a village ringroad on a bridge
  (highway=primary or secondary) to have a maxspeed of 80 km/h due to being
  outside the build-up zone, not because there is a sign on it that says 80
  km/h. It is also possible at the same time for the road under that bridge
  to have a maxspeed of 50 km/h due to being inside the build-up zone. The
  point of the bridge has one lat/lon, but the roads are vertically
  separated. This will never fit in any 2D model.

 I do not think I am missing the point. Your situation would be handled
 like this:

 1) There is 1 polygon with a tag zone-50.
 2) The road under the bridge has only 1 tag highway=residental.
 3) The ringroad over the zone-50 has 2 tags:
highway=primary and maxspeed=80.

 [There is _no_ polygon with zone-80!]

 If you ask for the limit on residental road, the answer is:
 50, because it lies within the zone-50 region.

 If you ask for the limit on the ringroad, the answer is:
 80, because it has the tag maxspeed=80, which has greater importance
 than the zone-50.

 If you ask for the limit of the lat/lon, where the roads have
 intersection on the map, the answer is:
 Ambiguous. You must specify the road, you are asking for!

 Did I explain it clearly this time?

The ringroad does not have the tag maxspeed=80 !!!

It has a maxspeed of 80 km/h because that is the default maxspeed of 
roads out of town in that country. Out of town was one of the three zones 
in the initial idea. It is defined by the country polygon.


The whole idea behind tagging zones is that you wouldn't have to tag maxspeed 
on the road where it is not explicitly signed. By forcing the 3D reality into 
a 2D model you have to tag both the explicit signs and anyplace the model 
breaks down. Ergo: You need a better model.


You say (in an earlier mail) that the point in network model won't work, 
because missing points cause the zone to leak all over the whole world. In 
the next sentence you say polygons don't have that problem. The second is 
wrong. There are plenty of broken polygons in the database. They get fixed as 
soon as somebody notices them. Since traffic zones will not be rendered by 
the main renders, you will need some special purpose renderer/tool to 
highlight any breakage, before any widespread use of whatever model you 
choose will work. Even for the simple model of tagging maxspeed at all roads 
there are currently special renderers to find what is still missing.


-- 
m.v.g.,
Cartinus

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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Lester Caine
Guenther Meyer wrote:
 So while discussing HOW the default speed for roads are calculated is
 important, can we not simply apply that speed without adding another
 layer of complexity?
 I wouldn't do that, because it's a derived value depending on a lot of things 
 like road type, time of day, weekday, construction sites, ...
 
 ok, you might add this value additionally with a special tag, to give a hint 
 to routing applications.
Why? maxspeed IS that tag
The fact that some roads may not be suitable for DOING the maxspeed is 
another matter, and would benefit from an additional tag, but maxspeed 
is legally defined in most countries - and you do not need to have signs 
up to tell you what it is - that is if you have passed a driving test ;)

 but there are more applications than just routing, to  which that data may be 
 useless.
Does that matter?
maxspeed is already defined and exists
Additionally there is a page for speed limits against highway tag and I 
remember a discussion about low speed limits in traffic calming areas 
which proposed an alternative to highway=residential for those areas, so 
the type of road is already included in defining the default maxspeed.

 on the other hand the speed limits are defined values (at least in every 
 country I have been so far...).
What I'm failing to see here is the REASON we need to add another set of 
area definitions simply to do with speed when that information is 
already well covered in existing tags - if they are used properly?

-- 
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-
Contact - http://lsces.co.uk/wiki/?page=contact
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[OSM-talk] Potlatch 1.0

2009-05-21 Per discussione Richard Fairhurst
Hi all,

It's been an important 24 hours for the webmapping world. At last -  
and after many months of expectation - UK cycle charity Sustrans  
released their new online slippy map. Oh yeah, and some irritating US  
outfit did some data API or something.

But never mind any of that, because it's also Potlatch's second  
birthday!

And that means: it's time for Potlatch 1.0.

What's new? Online help. Offline editing. Conflict management. A new  
way of showing junction nodes. Better changeset handling. And some  
other stuff.

Bugs and comments? Trac, of course, but there's also a new potlatch- 
dev mailing list - both for current Potlatch and exciting future  
stuff. Subscribe: http://lists.openstreetmap.org/pipermail/potlatch- 
dev/ .

Enjoy!

cheers
Richard

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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Guenther Meyer
Am Thursday 21 May 2009 schrieb Cartinus:
 The ringroad does not have the tag maxspeed=80 !!!

 It has a maxspeed of 80 km/h because that is the default maxspeed of
 roads out of town in that country. Out of town was one of the three
 zones in the initial idea. It is defined by the country polygon.


 The whole idea behind tagging zones is that you wouldn't have to tag
 maxspeed on the road where it is not explicitly signed.
exactly this.

 By forcing the 3D
 reality into a 2D model you have to tag both the explicit signs and
 anyplace the model breaks down. Ergo: You need a better model.

it's easily doable with the current model, if you tag the ways directly with 
the zone-tags, and not via inside a polygon.
if you also add the country to the tag, which i recommend, there is no need to 
evaluate any polygons, only the ways, to get the information needed.

the tag then would be something like zone:traffic = CZ:out_of_town.





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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Elena of Valhalla
On Thu, May 21, 2009 at 9:42 AM, Cartinus carti...@xs4all.nl wrote:
 If you ask for the limit on the ringroad, the answer is:
 80, because it has the tag maxspeed=80, which has greater importance
 than the zone-50.[...]
 The ringroad does not have the tag maxspeed=80 !!!

 It has a maxspeed of 80 km/h because that is the default maxspeed of
 roads out of town in that country. Out of town was one of the three zones
 in the initial idea. It is defined by the country polygon.

what about adding a few interpreted values to the maxspeed tag,
instead? that way one can be sure that the data comes from either
local survey or some other safe source, and there is no local default
value added to new roads without some human intervention

in italy we would need the following:

italian name   | proposted value | current speed limit
urbano | built_area  | 50 km/h
extraurbano| rural   | 90 km/h
extraurbano principale | half_motorway ? | 110 km/h
autostrada | motorway| 130 km/h

-- 
Elena ``of Valhalla''

homepage: http://www.trueelena.org
email: elena.valha...@gmail.com

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Re: [OSM-talk] Potlatch 1.0

2009-05-21 Per discussione maning sambale
  Offline editing.
Whoa!  Gotta try this one.  Congrats for all your work.


-- 
cheers,
maning
--
Freedom is still the most radical idea of all -N.Branden
wiki: http://esambale.wikispaces.com/
blog: http://epsg4253.wordpress.com/
--

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Re: [OSM-talk] (no subject)

2009-05-21 Per discussione David Earl
Most websites will give the terms under which content can be used, and 
these are no exception - they can't! At least not with negotiation with 
the vendors to permit CCbySA licensing.

For example, under Important Notices the first two sites say:

The material on this site is covered by the provisions of the Copyright 
Act, by Canadian laws, policies, regulations and international 
agreements. Such provisions serve to identify the information source 
and, in specific instances, to prohibit reproduction of materials 
without written permission.

and in the second two, the user guides contain highly restrictive 
licence agreements.

It is very unusual to find a source of map data that is not copyright 
and can just be used. Doesn't mean its not worth exploring with the 
authorities to see it an agreement can be reached, but just grabbing 
someone else's data is almost never going to work.

There's also already an ongoing project to import data for Canada which 
has been agreed after negotiation.

David


On 20/05/2009 23:37, Ben Dauphinee wrote:
 I have found a lot of sources of map data after having a chat with the 
 GIS guy at my workplace. I am curious if anyone can offer some 
 suggestions or help me determine if this data can be imported to OSM. If 
 so, can anyone help out getting this done?
 
 DNRE
 
 http://ess.nrcan.gc.ca/mapcar/index_e.php
 
 http://geogratis.cgdi.gc.ca/geogratis/en/product/search.do?id=8147
 
  
 
 SNB
 
 http://www.snb.ca/gdam-igec/e/2900e_1.asp
 
 http://www.snb.ca/gdam-igec/e/2900e_1c.asp
 
 
 
 Internet Explorer 8 makes surfing easier. Get it now! 
 http://go.microsoft.com/?linkid=9655264
 
 
 
 
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Re: [OSM-talk] Satellite for OSM

2009-05-21 Per discussione Joe Richards


Where did this idea go in the end? It seems the talk about it petered-out, or 
was some action agreed (along with who was going to undertake it)?



Given the US have forgotten to keep the GPS system up to date, maybe
we need a few satelites of our own to replace it... Or maybe we can
use Galileo once its up instead.

This was more about high-resolution aerial photography suitable for deriving 
traces.

As for geopositioning satellites, I doubt the US military-industrial complex 
(or its adherents in places like Europe) will allow such a key technology to 
fall into real disrepair. Plus with future civilian receivers combining signals 
from Galileo and GPS, alongside radio signals, the future is actually looking 
brighter than ever...


  

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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Lester Caine
Guenther Meyer wrote:
 Am Thursday 21 May 2009 schrieb Lester Caine:
 Guenther Meyer wrote:
 So while discussing HOW the default speed for roads are calculated is
 important, can we not simply apply that speed without adding another
 layer of complexity?
 I wouldn't do that, because it's a derived value depending on a lot of
 things like road type, time of day, weekday, construction sites, ...

 ok, you might add this value additionally with a special tag, to give a
 hint to routing applications.
 Why? maxspeed IS that tag
 no!
 maxspeed is the tag, that specifies a given speed limit, and is legally 
 defined. it is NOT some average speed value for a specific road.
ALL roads have a defined maximum speed limit ... is this just a matter 
of 'conversion to english'? The fact that a road does not have a 
specific sign is not something that maxspeed is concerned with? At least 
in my reading of the guide lines on maxspeed.

 but there are more applications than just routing, to  which that data
 may be useless.
 Does that matter?
 maxspeed is already defined and exists
 Additionally there is a page for speed limits against highway tag and I
 remember a discussion about low speed limits in traffic calming areas
 which proposed an alternative to highway=residential for those areas, so
 the type of road is already included in defining the default maxspeed.

 on the other hand the speed limits are defined values (at least in every
 country I have been so far...).
 What I'm failing to see here is the REASON we need to add another set of
 area definitions simply to do with speed when that information is
 already well covered in existing tags - if they are used properly?

 my first suggestion was exactly this: why not use and extend the already 
 existing tags for that, like maxspeed = DE:in_town.
 but after some discussion it was clear that such a tag would imply more than 
 just certain speed limits, as I already mentioned. that's why the idea of 
 using a more generic key was coming up.
A key on a road segment is a lot more practical than defining another 
layer of complexity.
And I can understand that maxspeed=DE:in_town makes a lot of sense since 
a global change to that limit does not require every way to be updated. 
There is a debate on changing the UK 60 limit to 50 which will need a 
lot of changes to these tags, but at present every road I go down seems 
to have had it's default limit lowered to 50 or even 40 anyway. Nearly 
got caught out with a new limit and speed camera last week :(

So the next question has to be - because I'm not SEEING the reason - why 
is 'maxspeed=DE:in_town' a problem? What is it implying other than a 
fact of law?

I would also point out that maxspeed needs a tidy up anyway since it 
does not have any provision for my previous note about VARIABLE speed 
limits. These are being applied more and more to UK motorways to cope 
with the congestion, and are changed based on traffic conditions. Roads 
in residential areas my also have lower limits during school days at 
start end end times.

-- 
Lester Caine - G8HFL
-
Contact - http://lsces.co.uk/wiki/?page=contact
L.S.Caine Electronic Services - http://lsces.co.uk
EnquirySolve - http://enquirysolve.com/
Model Engineers Digital Workshop - http://medw.co.uk//
Firebird - http://www.firebirdsql.org/index.php

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[OSM-talk] Google satellite maps updates

2009-05-21 Per discussione Maarten Deen
I haven't seen this anywhere, but it seems that Google is updating its 
satellite 
maps with even higher resolution data.
Compare what I previously knew as best resolution: 
http://maps.google.nl/maps?f=qsource=s_qhl=nlgeocode=ie=UTF8ll=51.835292,5.859522spn=0.001566,0.003272t=kz=19

with this:
http://maps.google.nl/maps?f=qsource=s_qhl=nlgeocode=ie=UTF8ll=51.973234,4.253047spn=0.000781,0.001636t=kz=20

That's pretty impressive (and will get everyone looking at the beaches to see 
some skin).

Regards,
Maarten

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Re: [OSM-talk] Google satellite maps updates

2009-05-21 Per discussione Simone Cortesi
On Thu, May 21, 2009 at 11:14 AM, Maarten Deen md...@xs4all.nl wrote:

 with this:
 http://maps.google.nl/maps?f=qsource=s_qhl=nlgeocode=ie=UTF8ll=51.973234,4.253047spn=0.000781,0.001636t=kz=20

AFAIK Milano has been like this detailed for at least a year now:
http://tinyurl.com/plusxg

-- 
-S

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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Guenther Meyer
Am Thursday 21 May 2009 schrieb Lester Caine:
 ALL roads have a defined maximum speed limit ... is this just a matter
 of 'conversion to english'? The fact that a road does not have a
 specific sign is not something that maxspeed is concerned with? At least
 in my reading of the guide lines on maxspeed.

right, all roads have a defined limit.
the proposal is:
if there is a sign for a speed limit: use maxspeed = ...
if not: use zone:traffic = ...
  the maxspeed here can be derived from the zone tag.



  my first suggestion was exactly this: why not use and extend the already
  existing tags for that, like maxspeed = DE:in_town.
  but after some discussion it was clear that such a tag would imply more
  than just certain speed limits, as I already mentioned. that's why the
  idea of using a more generic key was coming up.

 A key on a road segment is a lot more practical than defining another
 layer of complexity.
I agree with you. I would set those zone tags on the roads, not on a polygon.

 And I can understand that maxspeed=DE:in_town makes a lot of sense since
 a global change to that limit does not require every way to be updated.
 There is a debate on changing the UK 60 limit to 50 which will need a
 lot of changes to these tags, but at present every road I go down seems
 to have had it's default limit lowered to 50 or even 40 anyway. Nearly
 got caught out with a new limit and speed camera last week :(


 So the next question has to be - because I'm not SEEING the reason - why
 is 'maxspeed=DE:in_town' a problem? What is it implying other than a
 fact of law?

if you are in-town there are the following things implied (I hope I can 
translate them right...):

- maxspeed = 50

- motor vehicles up to 3.5t can freely choose the lane on which they want to 
drive on streets with more tahn one lane for the driving direction. also they 
can drive faster on the right lane as other cars on the left lane.

- parking is allowed up to 5m before a railroad crossing sign (St. Andrew's 
cross?)

- steady parking for trucks with more that 7.5t is not allowed in residential 
and clinic areas

- for parking in the dark parking lights are enough

- if you like to overtake another vehicle you must not signalize this with 
horn or flasher

I know, that not all of these are currently relevant for osm. but if the day 
comes, when such data will be important, it's easier to alter the central 
definiton of DE:in_town than to add new tags for that to every single road.


 I would also point out that maxspeed needs a tidy up anyway since it
 does not have any provision for my previous note about VARIABLE speed
 limits. These are being applied more and more to UK motorways to cope
 with the congestion, and are changed based on traffic conditions. Roads
 in residential areas my also have lower limits during school days at
 start end end times.
variable depending only on? or other things?
I have writtena proposal on the german list some time ago to allow the tagging 
of time-dependant resctrictions in an easy way, that would be also machine- 
and human-readable. but I don't know if it is used by someone...






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Re: [OSM-talk] Potlatch 1.0

2009-05-21 Per discussione Philip Shipley
And that means: it's time for Potlatch 1.0.

Just had a play - both offline and live editing and wow - it's lovely.
 Seems to be lots quicker too...

Great job


Regards

Phil
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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Radomir Cernoch
Guenther Meyer píše v Čt 21. 05. 2009 v 09:20 +0200:
 Am Thursday 21 May 2009 schrieb Radomir Cernoch:
  Hi, this sounds reasonable. But is there a difference between
  boundary=administrative and zone:administrative=*?
 
 it's exactly the same, just the name is a different one.
 
 I would propose to tag these all with a generic key called zone, to unify 
 the tagging.
 but of course I know that the boundary key is widely known and used...

Hi, could you expand a bit more what is generally meant as a zone in
Germany, please? Currently boundary=administrative is used for areas
as small as a suburb to whole countries. Would zone:administrative do
the same?

The reason why I'm asking is that in Czech it would be counter-intuitive
to use the word zóna for anything bigger than a town. Meanwhile
boundary sounds more general.

Regards,
Radek


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Re: [OSM-talk] Potlatch 1.0

2009-05-21 Per discussione Philip Shipley
And that means: it's time for Potlatch 1.0.

Just had a play - both offline and live editing and wow - it's lovely.
 Seems to be lots quicker too...

Great job


Regards

Phil
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[OSM-talk] GPS Future Was Re: Satellite for OSM

2009-05-21 Per discussione Peter Childs
2009/5/21 Joe Richards joefis...@yahoo.com:


 Where did this idea go in the end? It seems the talk about it petered-out, or 
 was some action agreed (along with who was going to undertake it)?



 Given the US have forgotten to keep the GPS system up to date, maybe
 we need a few satelites of our own to replace it... Or maybe we can
 use Galileo once its up instead.

 This was more about high-resolution aerial photography suitable for deriving 
 traces.

 As for geopositioning satellites, I doubt the US military-industrial complex 
 (or its adherents in places like Europe) will allow such a key technology to 
 fall into real disrepair. Plus with future civilian receivers combining 
 signals from Galileo and GPS, alongside radio signals, the future is actually 
 looking brighter than ever...





I agreed but the newspapers here in the UK are saying here, that the
updates to GPS are running two years late and its highly unlike that
there will be no interruptions. around the 2020 date unless the US
Airforce find some more satellites quickly. Of course we never believe
what they put in the Press..

Apparently this could all play into Galileos hands.

 I'm a computer programmer but I always find you need to know how to
work without them just in case they stop working which they are hmm
prone to doing.

Out of a matter of principle we ought to have a section on the website
to mapping without a GPS.

Peter.

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Re: [OSM-talk] [Fwd: Re: zones for motorway/in town/outof town?]

2009-05-21 Per discussione Radomir Cernoch
Guenther Meyer píše v Čt 21. 05. 2009 v 09:02 +0200:
 yes - if you can make use of a database with geospatial extension like 
 postgis. there you have functions to find out easily if a point or a line 
 (which streets are) lies inside a given polygon.
 I you don't have those functions, I don't know if this is possible.
 It may be, but this would be a very complex thing...

Thank you for your explanation. Would it be then possible to ask
questions like: Is the point at (x,y) inside any polygon, which
has tag 'z'? Or even something like a JOIN of the point itself with
the polygon: Give me all points in bbox (a,b,c,d) and the value of
'zone:xxx' of an encompassing polygon, if they lie in some?

Sorry for many questions, but I do not want to promote an idea without
knowing that it's feasible...

Thanks in advance,
Radek Černoch



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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Lester Caine
Guenther Meyer wrote:
 Am Thursday 21 May 2009 schrieb Lester Caine:
 ALL roads have a defined maximum speed limit ... is this just a matter
 of 'conversion to english'? The fact that a road does not have a
 specific sign is not something that maxspeed is concerned with? At least
 in my reading of the guide lines on maxspeed.

 right, all roads have a defined limit.
 the proposal is:
 if there is a sign for a speed limit: use maxspeed = ...
 if not: use zone:traffic = ...
   the maxspeed here can be derived from the zone tag.

For routing purposes ... building the time for a route ...
If maxspeed is set - use maxspeed, otherwise use the default for the
highway= type for your country which would imply that zone:traffic= is 
equivalent to highway=(residential/in_town) based on country again.

 my first suggestion was exactly this: why not use and extend the already
 existing tags for that, like maxspeed = DE:in_town.
 but after some discussion it was clear that such a tag would imply more
 than just certain speed limits, as I already mentioned. that's why the
 idea of using a more generic key was coming up.
 A key on a road segment is a lot more practical than defining another
 layer of complexity.
 I agree with you. I would set those zone tags on the roads, not on a polygon.
 
 And I can understand that maxspeed=DE:in_town makes a lot of sense since
 a global change to that limit does not require every way to be updated.
 There is a debate on changing the UK 60 limit to 50 which will need a
 lot of changes to these tags, but at present every road I go down seems
 to have had it's default limit lowered to 50 or even 40 anyway. Nearly
 got caught out with a new limit and speed camera last week :(

 
 So the next question has to be - because I'm not SEEING the reason - why
 is 'maxspeed=DE:in_town' a problem? What is it implying other than a
 fact of law?

 if you are in-town there are the following things implied (I hope I can 
 translate them right...):
 
 - maxspeed = 50
 
 - motor vehicles up to 3.5t can freely choose the lane on which they want to 
 drive on streets with more tahn one lane for the driving direction. also they 
 can drive faster on the right lane as other cars on the left lane.
 
 - parking is allowed up to 5m before a railroad crossing sign (St. Andrew's 
 cross?)
 
 - steady parking for trucks with more that 7.5t is not allowed in residential 
 and clinic areas
 
 - for parking in the dark parking lights are enough
 
 - if you like to overtake another vehicle you must not signalize this with 
 horn or flasher
 
 I know, that not all of these are currently relevant for osm. but if the day 
 comes, when such data will be important, it's easier to alter the central 
 definiton of DE:in_town than to add new tags for that to every single road.

All of that needs adding to 
http://wiki.openstreetmap.org/wiki/Proposed_features/trafficzone
( now that I've found it ... )
but rule one is 'highway=' should exist for every road so if that 
highway=motorway takes priority and should define any other motorway 
conditions that apply, and maxspeed then adjusts the motorway limit if 
required.
Rendering and routing use the highway= tag to identify roads, and can 
add speed limits based on the existing rules.
Additional traffic restrictions would be linked to 
highway=DE:residential rather than creating yet another minefield?

I've made a case in the past for replacing a lot of this with simple 
numeric tags that display text using your local country code, but having 
something like highway=residential pulling up the local set of default 
rules - such as the above for DE located roads - looks a lot more 
practical than adding yet another set of 'rules' that need tags adding?

 I would also point out that maxspeed needs a tidy up anyway since it
 does not have any provision for my previous note about VARIABLE speed
 limits. These are being applied more and more to UK motorways to cope
 with the congestion, and are changed based on traffic conditions. Roads
 in residential areas my also have lower limits during school days at
 start end end times.
 variable depending only on? or other things?
 I have writtena proposal on the german list some time ago to allow the 
 tagging 
 of time-dependant resctrictions in an easy way, that would be also machine- 
 and human-readable. but I don't know if it is used by someone...

The motorway restrictions are FULLY variable, in that the traffic 
management centre will apply them as need demands, and the hard shoulder 
of motorways can be introduced as an extra lane in some areas to reduce 
conjestion - at any time.
School restrictions tend to apply when a locally activated warning is 
displayed, so while this is basically a timed event, the times can vary 
depending on the local situation.
Now if we had a website that gives the current status of each of these 
  situations then things would be easier, but if you are not going to 
reach an area for some time, then even 

Re: [OSM-talk] Revert changes/bug in changeset?

2009-05-21 Per discussione Eddy Petrișor
On Thu, May 21, 2009 at 4:27 AM, Aun Yngve Johnsen
skipp...@gimnechiske.org wrote:
 Can somebody look into reverting way 33136730 and 33136657. They seem
 to have been buggy (only 3 nodes visible out of many) and whan I did
 an update of relations connected to these roads, they was updated with
 the version I had on my computer (no changes should have been done to
 the ways).

 Original of the two ways are version 1, from changeset 503897 by user
 Nighto, while my changeset 1270407 should never have updated these two
 ways and therefor version 2 should be reverted.

Done.


-- 
Regards,
EddyP
=
Imagination is more important than knowledge A.Einstein

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[OSM-talk] [tagging] Feature Proposal - RFC - place=sea, ocean, archipelago

2009-05-21 Per discussione Mike Collinson
Here are three proposals for identifying high level marine features that I 
already use.

http://wiki.openstreetmap.org/wiki/Proposed_features/Ocean
http://wiki.openstreetmap.org/wiki/Proposed_features/Sea
http://wiki.openstreetmap.org/wiki/Proposed_features/Archipelago

Comments on each discussion page welcome.

Mike



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Re: [OSM-talk] GPS Future Was Re: Satellite for OSM

2009-05-21 Per discussione D Tucny
2009/5/21 Peter Childs pchi...@bcs.org

 2009/5/21 Joe Richards joefis...@yahoo.com:
 
 
  Where did this idea go in the end? It seems the talk about it
 petered-out, or was some action agreed (along with who was going to
 undertake it)?
 
 
 
  Given the US have forgotten to keep the GPS system up to date, maybe
  we need a few satelites of our own to replace it... Or maybe we can
  use Galileo once its up instead.
 
  This was more about high-resolution aerial photography suitable for
 deriving traces.
 
  As for geopositioning satellites, I doubt the US military-industrial
 complex (or its adherents in places like Europe) will allow such a key
 technology to fall into real disrepair. Plus with future civilian receivers
 combining signals from Galileo and GPS, alongside radio signals, the future
 is actually looking brighter than ever...
 
 
 
 

 I agreed but the newspapers here in the UK are saying here, that the
 updates to GPS are running two years late and its highly unlike that
 there will be no interruptions. around the 2020 date unless the US
 Airforce find some more satellites quickly. Of course we never believe
 what they put in the Press..

 Apparently this could all play into Galileos hands.


Isn't it the plan that Galileo will operate on the same frequencies as the
current US GPS using the same protocol, just with offset satellite IDs such
that even current GPSrs should be able to use both? Also if I recall
correctly there were talks about the russian/indian GLONASS system being
modified to also work with the same frequencies etc as the existing US
GPS... If this all comes to fruit and GPSrs are able to cope with all of
these additional signals, there will be an additional 60 satellites
providing signals by 2020, so even in the unlikely event that the US GPS
happens to be running a bit low on satellites, it shouldn't be enough for
anyone to notice much should it?

d
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Re: [OSM-talk] [Fwd: Re: zones for motorway/in town/outof town?]

2009-05-21 Per discussione Guenther Meyer
Am Thursday 21 May 2009 schrieb Radomir Cernoch:
 Guenther Meyer píše v Čt 21. 05. 2009 v 09:02 +0200:
  yes - if you can make use of a database with geospatial extension like
  postgis. there you have functions to find out easily if a point or a line
  (which streets are) lies inside a given polygon.
  I you don't have those functions, I don't know if this is possible.
  It may be, but this would be a very complex thing...

 Thank you for your explanation. Would it be then possible to ask
 questions like: Is the point at (x,y) inside any polygon, which
 has tag 'z'? Or even something like a JOIN of the point itself with
 the polygon: Give me all points in bbox (a,b,c,d) and the value of
 'zone:xxx' of an encompassing polygon, if they lie in some?

with or without gis functions?
with those functions this all is possible.
without, searching for points inside a bbox or circle is relatively easy, 
finding a point inside a polygon is maybe also doable with some more effort.

 Sorry for many questions, but I do not want to promote an idea without
 knowing that it's feasible...

I'm not a gis expert, maybe here are people who know this better...
what is your idea?




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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Guenther Meyer
Am Thursday 21 May 2009 schrieb Lester Caine:
  right, all roads have a defined limit.
  the proposal is:
  if there is a sign for a speed limit: use maxspeed = ...
  if not: use zone:traffic = ...
the maxspeed here can be derived from the zone tag.

 For routing purposes ... building the time for a route ...
 If maxspeed is set - use maxspeed, otherwise use the default for the
 highway= type for your country which would imply that zone:traffic= is
 equivalent to highway=(residential/in_town) based on country again.

the zones don't have to be equivalent to the highway-types!
maybe most time they are, but not everywhere; an example:
I see it very often, that the place sign stand some hundred meters before the 
buildings begin. the residential highway would be where the buildings are, but 
the zone starts these som hundred meters earlier.

you will also have different highway-types like 
primary/secondary/residential/... inside the same zone:traffic.



 All of that needs adding to
 http://wiki.openstreetmap.org/wiki/Proposed_features/trafficzone
 ( now that I've found it ... )
 but rule one is 'highway=' should exist for every road so if that
 highway=motorway takes priority and should define any other motorway
 conditions that apply, and maxspeed then adjusts the motorway limit if
 required.
right. the primary default is the zone. if a highway type implies some other 
attributes, those will be used. if there are signs tagged somehow, they will 
override evereything else.

 Rendering and routing use the highway= tag to identify roads, and can
 add speed limits based on the existing rules.
 Additional traffic restrictions would be linked to
 highway=DE:residential rather than creating yet another minefield?

right.

 I've made a case in the past for replacing a lot of this with simple
 numeric tags that display text using your local country code, but having
 something like highway=residential pulling up the local set of default
 rules - such as the above for DE located roads - looks a lot more
 practical than adding yet another set of 'rules' that need tags adding?

I think, we will need new tags for all kinds of restrictions that may occur 
some day.


 The motorway restrictions are FULLY variable, in that the traffic
 management centre will apply them as need demands, and the hard shoulder
 of motorways can be introduced as an extra lane in some areas to reduce
 conjestion - at any time.
the thing with the extra lane is also done in germany.
but I wouldn't know how to tag this, because there's no certain time or other 
base when this is active.
maybe as an extension of the lanes-key...

 Now if we had a website that gives the current status of each of these
   situations then things would be easier, but if you are not going to
 reach an area for some time, then even that is not a lot of help :(
 But these are basically variable rules applied to maxspeed= and
 overiding the default normally applied.
I think those dynamic maxspeeds based on the traffic can't be mapped in a 
useful way. a router would have to use TMC or other realtime sources to know 
the current state.

what we could do as a hint for routers and drivers, is adding the information 
that the road is equipped with a traffic guidance system.





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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Guenther Meyer
Am Thursday 21 May 2009 schrieb Radomir Cernoch:
 Guenther Meyer píše v Čt 21. 05. 2009 v 09:20 +0200:
  Am Thursday 21 May 2009 schrieb Radomir Cernoch:
   Hi, this sounds reasonable. But is there a difference between
   boundary=administrative and zone:administrative=*?
 
  it's exactly the same, just the name is a different one.
 
  I would propose to tag these all with a generic key called zone, to
  unify the tagging.
  but of course I know that the boundary key is widely known and used...

 Hi, could you expand a bit more what is generally meant as a zone in
 Germany, please? Currently boundary=administrative is used for areas
 as small as a suburb to whole countries. Would zone:administrative do
 the same?

zone:traffic or boundary:traffic?
zone:administrative or boundary:administrative?
or something else?

zone is just a word, I don't care how the key is called in the end as long it 
reflects its meaning...
boundary let's me always think of some kind of borderline with some kind of 
barrier, but if it is the best english term for what we want to do, it's ok 
for me.

 The reason why I'm asking is that in Czech it would be counter-intuitive
 to use the word zóna for anything bigger than a town. Meanwhile
 boundary sounds more general.

I think, that zone sound more general ;-)
but I'm no native english speaker; maybe we have someone here who can clarify 
this?




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Re: [OSM-talk] Potlatch 1.0

2009-05-21 Per discussione Steve Chilton
Richard,

Sustrans online continues to disappoint this user.
Potlatch continues to satisfy requirements of this user.

Thanks for all time you have put in to develop these new features.

Cheers
STEVE


-Original Message-
From: talk-boun...@openstreetmap.org
[mailto:talk-boun...@openstreetmap.org] On Behalf Of Richard Fairhurst
Sent: 21 May 2009 09:09
To: OpenStreetMap generic wibble
Subject: [OSM-talk] Potlatch 1.0

Hi all,

It's been an important 24 hours for the webmapping world. At last -  
and after many months of expectation - UK cycle charity Sustrans  
released their new online slippy map. Oh yeah, and some irritating US  
outfit did some data API or something.

But never mind any of that, because it's also Potlatch's second  
birthday!

And that means: it's time for Potlatch 1.0.

What's new? Online help. Offline editing. Conflict management. A new  
way of showing junction nodes. Better changeset handling. And some  
other stuff.

Bugs and comments? Trac, of course, but there's also a new potlatch- 
dev mailing list - both for current Potlatch and exciting future  
stuff. Subscribe: http://lists.openstreetmap.org/pipermail/potlatch- 
dev/ .

Enjoy!

cheers
Richard

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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Radomir Cernoch
Florian Lohoff píše v Čt 21. 05. 2009 v 09:21 +0200:
 There is no solution other than local survey - everything else is 
 guessing - and IMHO openstreetmap is a collection of facts not guesses.
 So better have no fact than wrong guesses - at least thats true
 for maxspeed.

Than why do we have tags like access=unknown? It's not a guess, it's
just missing information. The legislation says following: Inside
built-up area the speed limit is 50 km/h if not specified otherwise.

Creating an area zone:traffic=XX:in_town is an exact mirror of this
law.

 Speedlimit is not like a missing name - Speed kills and we need to be pretty
 shure its accurate - Better no speed information at all than a sever broken
 one. I dont care if the name is missing but i care whether the speed is
 correct. I'd want my navi to either show me the correct speed or that
 it doesnt know instead of showing me wrong information 30% of the time.

My GPS works different way. If I'm in a town, it does not check the
default 50 km/h limit. It only checks those roads, which have a sign
regulating the speed. In my proposed model, there must be a maxspeed
tag on that particular road or a polygon zone:traffic=XX:residental,
which would allow the GPS to start beeping.

A polygon zone:traffic=XX:in_town does not cause my GPS to check the
speed, because the driver must be aware of such regulation anyway. If
not, he should not be driving a car at all.

But maybe your GPS works different way...

 I know its frustrating to see the map grow slowly but better than having
 a pile of bullshit nobody cares to look after. My experience is that once
 a street is in OSM nobody cares whether the name, maxspeed or something is 
 correct. So better you be accurate right from the beginning.

But this would mean, that GPS units using OSM will be navigating people
through 30 km/h residental areas for about... let's guess 10 more years?
At least in Czech Republic. This does not seem to me like a big
security.

Controlling maxspeed limit and doing navigation through cities are
anyway two distinct things based on different information.

Yours,
Radomir Cernoch


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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Mario Salvini
Radomir Cernoch schrieb:
 ...
 Sorry, I maybe didn't make myself clear. Polygon rules do not apply
 for motorways. Is there any country, where a highway inside a city has
 different speed limit from the highway outside of the city? Even if yes,
 this can be specified in the set of country-specific rules...

 I can imagine a situation, where a normal 50 km/h road goes through the
 middle of a zone-30. Then there are two options:
 1) You split the zone-30 polygon into 2 polygons.
 2) You tag the 50 km/h road with maxspeed=50.

 Yours,
 Radek
   
Hi Radek,

instead of using a complicated polygon-struction (which is btw not as 
correct as just giving the road a tag) you simple can give any oficial 
roads (e.g. no tracks oder private service-ways) of the town a 
trafficzone=in_city and giving the zone-30-roads a maxspeed=30. Finished ;)

Regards
Mario


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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Cartinus
On Thursday 21 May 2009 16:26:04 Guenther Meyer wrote:
 what we could do as a hint for routers and drivers, is adding the
 information that the road is equipped with a traffic guidance system.

Looking at tagwatch, you can find maxspeed=signals in use already.

-- 
m.v.g.,
Cartinus

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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Radomir Cernoch
Hi,

your mail suggests it's time for recapitulation.

Firstly let's describe the without-polygon model:

1) Road has tag maxspeed.
   = I have the answer based purely on maxspeed tag.
   = Stop any further reasoning.
2) Road has tag zone:traffic
   = I have the answer based on the combination of tags zone:traffic
  and highway.
   = Stop any further reasoning.
3) The answer is unknown.

Now the proposal of polygon model, which emerged through discussion
and which I do support. It removes point 3 and adds:

3) Road lies within a polygon tagged zone:traffic
   = I have the answer based on the combination of polygon's tag 
  zone:traffic and road's tag highway.
   = Stop any further reasoning.
4) The answer is unknown.


Please notice the important point: If we adopt polygon model and you
want to use the without-polygon model, no problem. It's just enough to
make sure that your road does not lie within any zone:traffic polygon.
The freedom is yours.


Ok, then why should we have the polygons?

* It models the law more accurately.
* Therefore you can infer more information.
* You can refine the details of the map gradually over time. At the same
  it allows a truthful interpretation of the OSM data all the time.
* If someone forgets to add the maxspeed or zone:traffic tag to a
  road, this model is closer to reality. (Please note that this may
  happen in a very well made map, see my previous Helsinki mail).
* Therefore it's friendlier to newbies.

The most serious flaw so far:

* The question of querying node within a polygon or line withing a
  polygon. So far it seems that such query is doable using PostGis.
  Nevertheless this needs to be confirmed.


If you want any details of the points here, please feel free to ask even
if they have probably been posted before. I do not have any other
arguments and unless anyone else does... take it or leave it.

Yours,
Radek Černoch


Mario Salvini píše v Čt 21. 05. 2009 v 14:53 +0200:
 Hi Radek,
 
 instead of using a complicated polygon-struction (which is btw not as 
 correct as just giving the road a tag) you simple can give any oficial 
 roads (e.g. no tracks oder private service-ways) of the town a 
 trafficzone=in_city and giving the zone-30-roads a maxspeed=30. Finished ;)
 
 Regards
  Mario



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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Guenther Meyer
Am Thursday 21 May 2009 schrieb Cartinus:
 On Thursday 21 May 2009 16:26:04 Guenther Meyer wrote:
  what we could do as a hint for routers and drivers, is adding the
  information that the road is equipped with a traffic guidance system.

 Looking at tagwatch, you can find maxspeed=signals in use already.
is this tag used for such things also, not only traffic lights?
fine!




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[OSM-talk] reverse changeset #1268604, which moved nodes across continents

2009-05-21 Per discussione Christian Kögler
Please reverse the changeset #1268604:
http://www.openstreetmap.org/browse/changeset/1268604

Chris


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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Mario Salvini
Radomir Cernoch schrieb:
 ...

 Ok, then why should we have the polygons?

 ** It models the law more accurately.*
 ...
this assumption is not correct.
Indeed it more incorrect than tagging trafficzone=* on the Ways itself, 
becasue nether private property nor public parcs, nor anykind of other 
tracks are part of the official traffic-zone, but with a polygon you 
implies this, and thats a big incorrectness.

So tagging it on each way is:

- much more accurate
- easier for beginners, becasue the only need to know 3 Tags: highway, 
trafficzone, and maxspeed (for explicit restriction)
- easier for applications because they do not need polygons at all (e.g. 
for routing or speed-controlling)

Regards
 Mario

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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Cartinus
On Thursday 21 May 2009 17:21:18 Guenther Meyer wrote:
  Looking at tagwatch, you can find maxspeed=signals in use already.

 is this tag used for such things also, not only traffic lights?
 fine!

AFAIK a traffic light is a node object with a highway=traffic_signals.

AFAIK a way with maxspeed=signals is used for those portals with the 
electronic speed signs you see over the motorway.

But I don't do that much motorway mapping on my bicycle or by public 
transport ;)

-- 
m.v.g.,
Cartinus

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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Guenther Meyer
Am Thursday 21 May 2009 schrieb Radomir Cernoch:
 Ok, then why should we have the polygons?

we are talking here about the mentioned tags for the traffic, not 
administrative or other boundaries, right?
ok,. let's see:

 * It models the law more accurately.
false. the traffic laws apply to streets only, not to buildings, areas, other 
polygons, footways, ... which are also inside the given polygon.

 * Therefore you can infer more information.
 * You can refine the details of the map gradually over time. At the same
   it allows a truthful interpretation of the OSM data all the time.
 * If someone forgets to add the maxspeed or zone:traffic tag to a
   road, this model is closer to reality. (Please note that this may
   happen in a very well made map, see my previous Helsinki mail).
how about roads crossing the polygon but that aren't part of the zone?
if there are things not tagged, then the result is NOT closer to reality.

 * Therefore it's friendlier to newbies.

I don't think so. not for traffic specific tagging.

 The most serious flaw so far:

 * The question of querying node within a polygon or line withing a
   polygon. So far it seems that such query is doable using PostGis.
   Nevertheless this needs to be confirmed.

postgis or other similar software.
a lot of overhead that could be avoided. not good for developing software 
running on small devices with limited resources.
a very complex for developers who can't rely on gis systems.


  instead of using a complicated polygon-struction (which is btw not as
  correct as just giving the road a tag) you simple can give any oficial
  roads (e.g. no tracks oder private service-ways) of the town a
  trafficzone=in_city and giving the zone-30-roads a maxspeed=30. Finished
  ;)
 
I woud go the same...



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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Mario Salvini
Radomír Černoch schrieb:
 2009/5/21 Mario Salvini salv...@t-online.de:
   
 Radomir Cernoch schrieb:
 
 ...

 Ok, then why should we have the polygons?

 ** It models the law more accurately.*
 ...
   
 this assumption is not correct.
 Indeed it more incorrect than tagging trafficzone=* on the Ways itself,
 becasue nether private property nor public parcs, nor anykind of other
 tracks are part of the official traffic-zone, but with a polygon you implies
 this, and thats a big incorrectness.
 

 Maybe I should have emphasize that you can (and should) use multi-polygons.

 Radek

   
And where is the benefit using a totally mess of several multi-polygons, 
instead of simply setting highway=* trafficzone=* and if explicit needed 
maxspeed=* ?
Using Polygon is much more complicated and much more incorrect. So it 
doesn't help anyone.

Regards
 Mario

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Re: [OSM-talk] Map rendering

2009-05-21 Per discussione Ingo Lantschner

Am 20.05.2009 um 17:11 schrieb Mike Ryan:

 At the end, it says that you can remove features, by removing the
 rules from osm-map-features-z17.xml file. However, when I took out
 pubs, for example, they're still there when I render the map. (I'm
 trying to generate a simple map with just street names)
Probably there is more than just one rule for pubs in osm-map-features- 
z17.xml. I had this situation for example with hotels. IIRC there were  
at least 3 rules for them:
amenity:hotel -- caption
amenity:hotel -- symbol
tourism:hotel -- symbol

And may be more.

HTH, Ingo
-- 
Ingo Lantschner
1060 Vienna-Austria
Mobil +43-664-143 84 18


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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Andy Deakin

 * The question of querying node within a polygon or line withing a
   polygon. So far it seems that such query is doable using PostGis.
   Nevertheless this needs to be confirmed.
 
 postgis or other similar software.
 a lot of overhead that could be avoided. not good for developing software 
 running on small devices with limited resources.
 a very complex for developers who can't rely on gis systems.
   
I think that maxspeed is a property of a way, not an area, but to run on 
limited resource devices, you could always pre-process the data by 
looking at all the eligible ways within that polygon and add the 
maxspeed tag. I guess you might also have to split the way on the area 
boundary too.

Andy

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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Lennard
Cartinus wrote:

 AFAIK a way with maxspeed=signals is used for those portals with the 
 electronic speed signs you see over the motorway.

I actually hope mappers only use maxspeed=signals for those motorway 
sections where the speed routinely changes based on congestion or time 
of day. Not to note the fact whether those portals are just merely present.

And also not for the dutch system where portals signal a decreasing 
lower speed, just to alert arriving traffic that traffic in front of 
them is slowing down.

-- 
Lennard

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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Ben Laenen

So while it seems to be a polygon vs tags on ways discussion:

I wonder what people have against using relations to combine all roads 
in one built-up area, or one maxspeed zone, or some other kind of zone. 
It's really the cleanest option and allows for additional tags like a 
name, and it allows everything to be more clearly defined, and allows 
for a method which is much more flexible and allows for extended 
properties.


I guess these arguments will come up:


* it's not newbie friendly

relations are one of only three basic structures in OSM (node - way - 
relation), can we please assume that someone mapping with OSM can grasp 
three concepts? He already should be able to deal with them now anyway.


* relations will become huge in some cities

some relations are already huge, just look out for some cross 
continental E roads, or some long walking or cycling routes.


* you'll forget to add some roads to the relation

and you'll also forget to add tags to roads if you do it that way -- 
it's entirely the same issue you have to deal with. And that's what 
error checkers are for.


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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Guenther Meyer
Am Thursday 21 May 2009 schrieb Ben Laenen:
 So while it seems to be a polygon vs tags on ways discussion:

 I wonder what people have against using relations to combine all roads
 in one built-up area, or one maxspeed zone, or some other kind of zone.
 It's really the cleanest option and allows for additional tags like a
 name, and it allows everything to be more clearly defined, and allows
 for a method which is much more flexible and allows for extended
 properties.


 I guess these arguments will come up:


 * it's not newbie friendly

right ;-)

 relations are one of only three basic structures in OSM (node - way -
 relation), can we please assume that someone mapping with OSM can grasp
 three concepts? He already should be able to deal with them now anyway.

they are, but at least for me relations really add some kind of complexity.
yes, some things aren't possible with the other structures, but using 
relations as an answer for everything is not a good way...

 * relations will become huge in some cities

 some relations are already huge, just look out for some cross
 continental E roads, or some long walking or cycling routes.

you have to get the whole relation, just to check, if some streets are part of 
it. size does matter here...
with the tag-on-street approach you only need the street, nothing more.





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[OSM-talk] How to contribute new tag and symbol?

2009-05-21 Per discussione Ingo Lantschner
Hi all,
I created a symbol and some rules for the key/value tourism/ 
apartment. How can I contribute this symbol (svg) and the rules to  
the official  osm-map-features-z17.xml?

A description for this node is here: 
http://wiki.openstreetmap.org/wiki/Tags#References

Thanks in advance, Ingo
-- 
Ingo Lantschner
1060 Vienna-Austria
Mobil +43-664-143 84 18


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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Radomir Cernoch
Ben Laenen píše v Čt 21. 05. 2009 v 17:54 +0200:
 So while it seems to be a polygon vs tags on ways discussion:
 
 I wonder what people have against using relations to combine all roads 
 in one built-up area, or one maxspeed zone, or some other kind of zone. 
 It's really the cleanest option and allows for additional tags like a 
 name, and it allows everything to be more clearly defined, and allows 
 for a method which is much more flexible and allows for extended 
 properties.

How would a typical city look like? All 80 km/h roads in one relation
and all 50 km/h roads in another relation? Or one relation per suburb?

And what about while countries: all rural 90 km/h roads in one relation?

Thanks,
Radek



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Re: [OSM-talk] How to contribute new tag and symbol?

2009-05-21 Per discussione Adam Schreiber
On Thu, May 21, 2009 at 12:31 PM, Ingo Lantschner
listen2...@lantschner.name wrote:
 Hi all,
 I created a symbol and some rules for the key/value tourism/
 apartment. How can I contribute this symbol (svg) and the rules to
 the official  osm-map-features-z17.xml?

I think you need to find a different key than apartment.  It seems you
want to tag an extended stay hotel from the description:

Rental (business) suites; aimed toward medium- or long-stay guests.
Also called extended stay hotels, serviced apartment,
Ferienwohnung, self-catering-apartment

, but in the US apartment is used to describe any rental unit in a
building with other rental units whether they are flats, townhomes, or
a mixture of the two.  The wikipedia article you linked in the
description uses apartment as I indicated and not as you described.

 A description for this node is here: 
 http://wiki.openstreetmap.org/wiki/Tags#References

This is the incorrect link.

Cheers,

Adam

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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Shaun McDonald


On 21 May 2009, at 17:33, Radomir Cernoch wrote:


Ben Laenen píše v Čt 21. 05. 2009 v 17:54 +0200:

So while it seems to be a polygon vs tags on ways discussion:

I wonder what people have against using relations to combine all  
roads
in one built-up area, or one maxspeed zone, or some other kind of  
zone.

It's really the cleanest option and allows for additional tags like a
name, and it allows everything to be more clearly defined, and allows
for a method which is much more flexible and allows for extended
properties.


How would a typical city look like? All 80 km/h roads in one relation
and all 50 km/h roads in another relation? Or one relation per suburb?

And what about while countries: all rural 90 km/h roads in one  
relation?




This is using relations as categories, which is wrong. The speed is  
what tags are for, as it is an attribute of the way, there is nothing  
special about them.

http://wiki.openstreetmap.org/wiki/Relations/Relations_are_not_Categories

Shaun




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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Tobias Knerr
Ben Laenen wrote:
 It's really the cleanest option and allows for additional tags like a 
 name, and it allows everything to be more clearly defined,

I don't see why that would be the case. For every way with tag X, Y
applies isn't any less clearly defined than For every way in a
relation with tag X, Y applies.

What you probably mean is that we wouldn't need to define new tags with
a set of implications, but could instead create a relation that directly
contains all tags that would otherwise be implied. I'd still prefer a
standardized tag for use in relations, though. Adding all relevant tags
(the proposal page lists several suggestions here) to the relation for
every single city is very error-prone and doesn't allow easy changes of
those sets.

 and allows 
 for a method which is much more flexible and allows for extended 
 properties.

This is correct, using relations for restrictions does allow for more
flexible tagging, especially with stuff like proper conditional
restrictions. However, these advantages aren't limited to what we are
talking about here (standardized sets of default restrictions).

Instead, they are even _more_ useful for explicit signage (whether zonal
or otherwise). The standardized restriction sets can easily be expressed
with a single tag, simply because there aren't many of them.

So while there are reasons for using relations as a means of expressing
restrictions on ways, I don't see why this relates to this proposal. The
shortcut tags for commonly implied sets of restrictions could be used
in relation-based mapping as well.

Tobias Knerr

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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Mario Salvini
Radomir Cernoch schrieb:
 Ben Laenen píše v Čt 21. 05. 2009 v 17:54 +0200:
   
 So while it seems to be a polygon vs tags on ways discussion:

 I wonder what people have against using relations to combine all roads 
 in one built-up area, or one maxspeed zone, or some other kind of zone. 
 It's really the cleanest option and allows for additional tags like a 
 name, and it allows everything to be more clearly defined, and allows 
 for a method which is much more flexible and allows for extended 
 properties.
 

 How would a typical city look like? All 80 km/h roads in one relation
 and all 50 km/h roads in another relation? Or one relation per suburb?

 And what about while countries: all rural 90 km/h roads in one relation?

 Thanks,
 Radek
Even every relevant road for _ONE_ city in one relation won't work, 
because the membercount of a relation is limited since API 0.6.
This methode won't create any benefit.

Regards
 Mario

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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Pieren
We already have default speed limits within urban zones defined by a
polygone. No relation here. Now, you are talking about an exception to
the default speed limit and I hope, it is a minority of streets in
this case. Then just simply add the tag maxspeed to these ways, thus
overriding any default values. Why are you making you life so
complicated ? Are you going to create a relation or a polygone for all
oneway streets or streets with bicycle lanes in your town ? A speed
limit is nothing else than a property of a street.
Pieren

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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Ben Laenen
On Thursday 21 May 2009, Guenther Meyer wrote:
  relations are one of only three basic structures in OSM (node - way
  - relation), can we please assume that someone mapping with OSM can
  grasp three concepts? He already should be able to deal with them
  now anyway.

 they are, but at least for me relations really add some kind of
 complexity. yes, some things aren't possible with the other
 structures, but using relations as an answer for everything is not a
 good way...

I'm not proposing it for everything, I'm only proposing it for something 
where other structures have obvious setbacks.

But from some reason using relations for something else than routes is 
immediately regarded as some obfuscated mapping method.

 you have to get the whole relation, just to check, if some streets
 are part of it. size does matter here...
 with the tag-on-street approach you only need the street, nothing
 more.

The exact same argument would apply to store routes as tags on ways from 
now on. But that has its limitations, so we handle them with relations 
now. So this is another area where tags on ways are insufficient, so 
use relations instead. 

And it's an API limitation, which tries to handle relations just like 
ways. Relations are so different from ways that it just needs another 
method, yet for some reason that's not seen by the people creating the 
API. It's should be a method where each node, way or relation tells 
which relation it belongs to (without the need to download all member 
id's from that relation), and then there should be upload functions 
that just tell add/delete node, way or relation X as member of 
relation Y.

Ben

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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Ben Laenen
On Thursday 21 May 2009, Mario Salvini wrote:
 Even every relevant road for _ONE_ city in one relation won't work,
 because the membercount of a relation is limited since API 0.6.
 This methode won't create any benefit.

Well, apparently it isn't limited, and luckily it isn't. It would be an 
incredibly stupid idea to limit the member count of relations.

Ben

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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Ben Laenen
On Thursday 21 May 2009, Radomir Cernoch wrote:
 Ben Laenen píše v Čt 21. 05. 2009 v 17:54 +0200:
  So while it seems to be a polygon vs tags on ways discussion:
 
  I wonder what people have against using relations to combine all
  roads in one built-up area, or one maxspeed zone, or some other
  kind of zone. It's really the cleanest option and allows for
  additional tags like a name, and it allows everything to be more
  clearly defined, and allows for a method which is much more
  flexible and allows for extended properties.

 How would a typical city look like? All 80 km/h roads in one relation
 and all 50 km/h roads in another relation? Or one relation per
 suburb?

A typical city here would look like all roads inside the built-up area 
inside one relation, and when there are roads inside it with another 
speed limit, tag those ways with maxspeed.

And for zone 30's inside built-up areas: each zone 30 will have its 
relation as well, and due to a simple precedence rule (a relation with 
zone=built-up area has less precedence than other relations) the speed 
limits are known there as well.


 And what about while countries: all rural 90 km/h roads in one
 relation?

No, because there's no special property on those roads. Those wouldn't 
be tagged with anything or wouldn't be a member of any relation if 
there are no speed limits signed on that road.

Ben

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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Shaun McDonald


On 21 May 2009, at 18:17, Ben Laenen wrote:


On Thursday 21 May 2009, Mario Salvini wrote:

Even every relevant road for _ONE_ city in one relation won't work,
because the membercount of a relation is limited since API 0.6.
This methode won't create any benefit.


Well, apparently it isn't limited, and luckily it isn't. It would be  
an

incredibly stupid idea to limit the member count of relations.


And it would also be an incredibly stupid idea to group things that  
are related by their lat and lon only.


http://wiki.openstreetmap.org/wiki/Relations/Relations_are_not_Categories

Shaun

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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Greg Troxel

Ed Loach e...@loach.me.uk writes:

 So as long as exception roads have speed tags, what's the
 problem?

 None as far as I can see, but by the time you've checked every road
 in the zone to see whether it is an exception, and presumably tagged
 it as checked so other mappers know it has been checked so they
 don't also need to go and check, you may as well tag it with the
 maxspeed. 

I see your point.  I was thinking that by drawing a polygon around a
city with 30, then the roads that you have no clue about within that
will be treated by routing as 30, even though we don't know.  The notion
that by drawing a region one is obligated to check signs on all roads
doesn't make sense to me, because the polygon/default improves the data
quality from the totally untagged state.

That said, I don't really care what happens, because around where I am
the notion that roads without speed tags are 30 mph is a very good
approximation to reality.



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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Ben Laenen
On Thursday 21 May 2009, you wrote:
 On 21 May 2009, at 18:17, Ben Laenen wrote:
  On Thursday 21 May 2009, Mario Salvini wrote:
  Even every relevant road for _ONE_ city in one relation won't
  work, because the membercount of a relation is limited since API
  0.6. This methode won't create any benefit.
 
  Well, apparently it isn't limited, and luckily it isn't. It would
  be an
  incredibly stupid idea to limit the member count of relations.

 And it would also be an incredibly stupid idea to group things that
 are related by their lat and lon only.

 http://wiki.openstreetmap.org/wiki/Relations/Relations_are_not_Catego
ries

Again, this is not relations as categories in any way. People suggesting 
that really didn't think enough about it.

It's combining roads that are connected to *each other*, with a special 
property, and the non-category like feature here is that they form one 
*entity*: a zone if you wish, or a built-up area.

If you think this is using relations as categories, then route relations 
are that as well.

So let's be clear here: I'm *not* proposing to add all roads with 
maxspeed=50 into one relation (that's a category), nor do I want all 
roads inside all built-up areas of one country inside one relation 
(that's a category as well).

I want one built-up area represented as one entity: a relation (as 
that's how traffic legislation handles it: a single entity) (that's not 
a category), or all roads inside one zone 30 into one relation (that's 
not a category), or all roads inside a parking zone into one relation 
(that's not a category)

More clear now?

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Re: [OSM-talk] reverse changeset #1268604, which moved nodes across continents

2009-05-21 Per discussione Frederik Ramm
Hi,

Christian Kögler wrote:
 Please reverse the changeset #1268604:
 http://www.openstreetmap.org/browse/changeset/1268604

Done, and emailed the user to find out what he did and if we can somehow 
improve JOSM so that it doesn't happen more often...

Bye
Frederik

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

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Re: [OSM-talk] zones for motorway/in town/out of town?

2009-05-21 Per discussione Guenther Meyer
Am Thursday 21 May 2009 schrieb Ben Laenen:
 I'm not proposing it for everything, I'm only proposing it for something
 where other structures have obvious setbacks.

fine. there seem to be people that are doing that.

 But from some reason using relations for something else than routes is
 immediately regarded as some obfuscated mapping method.

IMO relations add a lot of complexity that's not necessary for many things.

  you have to get the whole relation, just to check, if some streets
  are part of it. size does matter here...
  with the tag-on-street approach you only need the street, nothing
  more.

 The exact same argument would apply to store routes as tags on ways from
 now on. But that has its limitations, so we handle them with relations
 now. So this is another area where tags on ways are insufficient, so
 use relations instead.

you can't compare this!
routes combine many different otherwise unrelated ways, they don't have to 
have any relations to the streets themselves.
but the tagging that is discussed here describes attributes of the streets, 
and therefore belongs to the streets, even more when it can be done in such a 
simple way.






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Re: [OSM-talk] Revert changes/bug in changeset?

2009-05-21 Per discussione Aun Yngve Johnsen
Thanks for the help

Aun
On 21/05/2009, at 08:12, Eddy Petrișor wrote:

 On Thu, May 21, 2009 at 4:27 AM, Aun Yngve Johnsen
 skipp...@gimnechiske.org wrote:
 Can somebody look into reverting way 33136730 and 33136657. They seem
 to have been buggy (only 3 nodes visible out of many) and whan I did
 an update of relations connected to these roads, they was updated  
 with
 the version I had on my computer (no changes should have been done to
 the ways).

 Original of the two ways are version 1, from changeset 503897 by user
 Nighto, while my changeset 1270407 should never have updated these  
 two
 ways and therefor version 2 should be reverted.

 Done.


 -- 
 Regards,
 EddyP
 =
 Imagination is more important than knowledge A.Einstein



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Re: [OSM-talk] rendering some large maps, e.g. whole world

2009-05-21 Per discussione Dane Springmeyer
Holger,

Great script for modifying mapnik symbology for higher/print  
resolution, and awesome to hear that you are using Cascadenik.

Just a note that I've started to work in Mapnik core for supporting  
scaling based on variable resolution output:

http://trac.mapnik.org/ticket/343

- Dane


On Apr 18, 2009, at 3:18 AM, Holger Schöner wrote:

 Hello,

 2009/4/18 Torsten Mohr tm...@s.netic.de
 I'd like to print a map of Germany as a poster.  My understanding is
 that osm.xml is configured to create maps that look fine on a  
 screen.
 But the Pixels per Inch on a computer monitor are different  
 compared to
 the PPI on a printed poster.
 So e.g. text size, symbol size and others may not look optimal when
 printed.

 That is correct. I wrote a small script (in Ruby, BSD license) to  
 modify an
 existing mapnik style by scaling all text sizes, line widths,
 min/maxscaledenominators etc. It worked quite well for me (using the
 standard openstreetmap mapnik style) when I tried it some months ago.

 Link to script: http://www.ancalime.de/images/scalestyle.rb

 One caveat, though: As the icons are included as pixel graphics, and  
 I do
 not know of any possiblity to scale them using style file syntax,  
 they are
 not modified. Thus they will appear much too small on a printed map.  
 If you
 have better icons, you might be able to adapt the script such that it
 exchanges yours for the standard ones ...

 For an own map (which also uses cascadenic style preprocessor to  
 produce the
 mapnik styles), I created a set of icons in different pixel sizes  
 (converted
 by inkscape from SVG templates mainly from the OSM SVN), where the  
 size is
 included as suffix in the filename. With another script (much more  
 complex,
 so I cannot publish it right away; but if you are interested, I  
 might be
 able to produce an excerpt of the relevant parts in about two or three
 weeks) I can parse these filenames, and look for appropriately sized  
 icons
 in their directory.

 Hope this helps ... Yours,
 -- 
 Holger Schoener   nume...@ancalime.de


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[OSM-talk] Highways tagging vs Polygon

2009-05-21 Per discussione Richard Bullock
Am I missing something, or can we not just assume that e.g.

each highway=residential has a speed limit consistent with urban areas in 
that country - unless explicitly tagged otherwise

e.g. in the UK, highway=residential would be 30mph (48.28032km/h), unless 
tagged as something else.

each highway=trunk, primary, secondary etc. has a default speed limit 
consistent with rural areas in that country - unless tagged otherwise.

each highway=motorway has a default motorway speed consistent for that 
country.

That way, we only need to tag major through routes in cities, and rural 
roads which do not have the usual national speed limit.

The same thing applies for access restrictions. We don't need to tag that 
roads are accessible for cars - that should be assumed unless tagged 
otherwise




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Re: [OSM-talk] Live Data - all new Data in OSM

2009-05-21 Per discussione Jaak Laineste
 To put OSM data live to xmpp ist very simple and I don't think it's
 expensive.

Coming back to this a bit older topic. XMPP is server-based solution, so you
will overload some server. Why not use good old and free Kazaa network, in
its Skype groupchat re-incarnation, so the delivery channel would be nicely
distributed? 

There could be be traffic limitations in Skype, so it needs checked out and
tested. Also creation of skype plugin for generating and loading the feed
would be maybe even easier than with xmpp.

/Jaak



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Re: [OSM-talk] Highways tagging vs Polygon

2009-05-21 Per discussione Nic Roets
My opinion is that all defaults should be global. We should not have any
country or urban / rural specific defaults. It will mean most ways will need
a lot of extra tags. So we may need to improve the editors to make it easier
to add all those tags. For example give the editors modes like Rural UK
where they apply the defaults when new ways are created.

But it will make it a lot simpler for mappers. If you see a No Cycling
sign on a trunk road and want to compare it to the DB, then you don't need
to think about where the country border polygon ends.

None of the arguments against it (e.g. countries frequently changing the
speed limit, larger planet file etc) hold any water.

But my views may no be shared by the community.

On Thu, May 21, 2009 at 8:43 PM, Richard Bullock rb...@cantab.net wrote:

 Am I missing something, or can we not just assume that e.g.

 each highway=residential has a speed limit consistent with urban areas in
 that country - unless explicitly tagged otherwise

 e.g. in the UK, highway=residential would be 30mph (48.28032km/h), unless
 tagged as something else.

 each highway=trunk, primary, secondary etc. has a default speed limit
 consistent with rural areas in that country - unless tagged otherwise.

 each highway=motorway has a default motorway speed consistent for that
 country.

 That way, we only need to tag major through routes in cities, and rural
 roads which do not have the usual national speed limit.

 The same thing applies for access restrictions. We don't need to tag that
 roads are accessible for cars - that should be assumed unless tagged
 otherwise




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Re: [OSM-talk] Highways tagging vs Polygon

2009-05-21 Per discussione Mario Salvini
Richard Bullock schrieb:
 Am I missing something, or can we not just assume that e.g.

 each highway=residential has a speed limit consistent with urban areas in 
 that country - unless explicitly tagged otherwise

 e.g. in the UK, highway=residential would be 30mph (48.28032km/h), unless 
 tagged as something else.

 each highway=trunk, primary, secondary etc. has a default speed limit 
 consistent with rural areas in that country - unless tagged otherwise.

 each highway=motorway has a default motorway speed consistent for that 
 country.

 That way, we only need to tag major through routes in cities, and rural 
 roads which do not have the usual national speed limit.

 The same thing applies for access restrictions. We don't need to tag that 
 roads are accessible for cars - that should be assumed unless tagged 
 otherwise
   
highway=residental _isnot_ the same as build-up-area in the meaning of 
traffic laws.
E.g. commercial- or industry-areas which are in town by traffic 
law/signs don't have residential roads.

And thats just one example.

Regards
Mario



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[OSM-talk] Which software for SonyEricsson phones?

2009-05-21 Per discussione Valent Turkovic
Hi,
I have lots of friends with SonyEricsson phones and I have one
bluetooth GPS dongle that I can give to them for making GPS logs.

I have stumbled upon a rock - that is which software works on
SonyEricsson phones without problems. Mainly I'm looking for software
that mainly for SE K510 and SE K750 but on all other SE phones.

I found some that work, but on some I can't find how to create logs,
some create logs but can't save them (crash on saving), etc...

Please if you have a tested software that works 100% with SonyEricsson
please share it.

Thank you in advance,
Valent.

-- 
http://kernelreloaded.blog385.com/
linux, blog, anime, spirituality, windsurf, wireless
registered as user #367004 with the Linux Counter, http://counter.li.org.
ICQ: 2125241, Skype: valent.turkovic

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Re: [OSM-talk] How to contribute new tag and symbol?

2009-05-21 Per discussione Ingo Lantschner

Am 21.05.2009 um 18:42 schrieb Adam Schreiber:

 I created a symbol and some rules for the key/value tourism/
 apartment.

 I think you need to find a different key than apartment.  It seems you
 want to tag an extended stay hotel from the description:
 ...
 , but in the US apartment is used to describe any rental unit in a
 building with other rental units whether they are flats, townhomes, or
 a mixture of the two.
That could start an endless discussion since there is practically no  
term which is both generic (including holiday-flat, business- 
apartment, serviced-apartment but excluding large-scale aparthotels  
and all forms of BB) without being ambiguous in a transcultural  
context. So I think at least for the tagging we must just choose  
something semi-optimal. May be that apartment was not the best  
compromise. Any idea of what we can use instead if it?


 A description for this node is here: 
 http://wiki.openstreetmap.org/wiki/Tags#References

 This is the incorrect link.
oops - here is the correct one: http://wiki.openstreetmap.org/wiki/Tags#Tourism


Cheers, ingo
-- 
Ingo Lantschner
1060 Vienna-Austria
Mobil +43-664-143 84 18


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Re: [OSM-talk] Highways tagging vs Polygon

2009-05-21 Per discussione Lester Caine
Mario Salvini wrote:
 Richard Bullock schrieb:
 Am I missing something, or can we not just assume that e.g.

 each highway=residential has a speed limit consistent with urban areas in 
 that country - unless explicitly tagged otherwise

 e.g. in the UK, highway=residential would be 30mph (48.28032km/h), unless 
 tagged as something else.

 each highway=trunk, primary, secondary etc. has a default speed limit 
 consistent with rural areas in that country - unless tagged otherwise.

 each highway=motorway has a default motorway speed consistent for that 
 country.

 That way, we only need to tag major through routes in cities, and rural 
 roads which do not have the usual national speed limit.

 The same thing applies for access restrictions. We don't need to tag that 
 roads are accessible for cars - that should be assumed unless tagged 
 otherwise
   
 highway=residental _isnot_ the same as build-up-area in the meaning of 
 traffic laws.
 E.g. commercial- or industry-areas which are in town by traffic 
 law/signs don't have residential roads.
 
 And thats just one example.

BUT highway=xxx does define the type of road, and if residential is 
maxspeed=30 and safe_residential is maxspeed=20 by default that makes 
perfect sense. service roads may well have a lower speed limit, even 
within an 'in_town' area. It's not unusual to have a 15 mph limit on 
these roads because of activity such as unloading taking place on them.

I think the polygon idea HAS been kicked into touch now, but there IS 
possibly a need for additional tag to cover the other traffic regulation 
information so far put forward, and using that to REPLACE highway tags ( 
as currently suggested on the wiki page ) is a no no! SPEED information 
should be handled using the existing maxspeed + defaults relating to the 
road type, which MAY have a country related element to them as again 
listed on the relevent wiki page ( Links were posted earlier )

-- 
Lester Caine - G8HFL
-
Contact - http://lsces.co.uk/wiki/?page=contact
L.S.Caine Electronic Services - http://lsces.co.uk
EnquirySolve - http://enquirysolve.com/
Model Engineers Digital Workshop - http://medw.co.uk//
Firebird - http://www.firebirdsql.org/index.php

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Re: [OSM-talk] How to contribute new tag and symbol?

2009-05-21 Per discussione Adam Schreiber
On Thu, May 21, 2009 at 5:33 PM, Ingo Lantschner
listen2...@lantschner.name wrote:

 Am 21.05.2009 um 18:42 schrieb Adam Schreiber:

 I created a symbol and some rules for the key/value tourism/
 apartment.

 I think you need to find a different key than apartment.  It seems you
 want to tag an extended stay hotel from the description:
 ...
 , but in the US apartment is used to describe any rental unit in a
 building with other rental units whether they are flats, townhomes, or
 a mixture of the two.
 That could start an endless discussion since there is practically no
 term which is both generic (including holiday-flat, business-
 apartment, serviced-apartment but excluding large-scale aparthotels
 and all forms of BB) without being ambiguous in a transcultural
 context. So I think at least for the tagging we must just choose
 something semi-optimal. May be that apartment was not the best
 compromise. Any idea of what we can use instead if it?

I'd just call it a hotel.

 A description for this node is here: 
 http://wiki.openstreetmap.org/wiki/Tags#References

 This is the incorrect link.
 oops - here is the correct one: 
 http://wiki.openstreetmap.org/wiki/Tags#Tourism


 Cheers, ingo
 --
 Ingo Lantschner
 1060 Vienna-Austria
 Mobil +43-664-143 84 18


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Re: [OSM-talk] Which software for SonyEricsson phones?

2009-05-21 Per discussione Shaun McDonald
I use TrackMyJourney, which has OSM Maps, and you can use OSM based  
routing and search online, with live updating. I use TMJ for all my  
mapping at the moment.

If you are happy if small amounts of data, you may want to look at  
GPSMid.

See http://wiki.openstreetmap.org/wiki/Software/Mobilephones for more  
information.

Shaun

On 21 May 2009, at 22:19, Valent Turkovic wrote:

 Hi,
 I have lots of friends with SonyEricsson phones and I have one
 bluetooth GPS dongle that I can give to them for making GPS logs.

 I have stumbled upon a rock - that is which software works on
 SonyEricsson phones without problems. Mainly I'm looking for software
 that mainly for SE K510 and SE K750 but on all other SE phones.

 I found some that work, but on some I can't find how to create logs,
 some create logs but can't save them (crash on saving), etc...

 Please if you have a tested software that works 100% with SonyEricsson
 please share it.

 Thank you in advance,
 Valent.

 -- 
 http://kernelreloaded.blog385.com/
 linux, blog, anime, spirituality, windsurf, wireless
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Re: [OSM-talk] zones for motorway/in town/outof town?

2009-05-21 Per discussione Andy Allan
On Thu, May 21, 2009 at 6:13 PM, Ben Laenen benlae...@gmail.com wrote:

 A typical city here would look like all roads inside the built-up area
 inside one relation, and when there are roads inside it with another
 speed limit, tag those ways with maxspeed.

Jesus.

* Anyone who doesn't know what ST_Intersects means should go find out.
And I mean by writing an application, not by using google
* Anyone who thinks that processing relations is magically wonderful
should go reimplement the translucent colouring on the cyclemap
without any overlap artifacts.
* Anyone who thinks that GIS Stuff is too complex for portable
devices should think long and carefully about the word
pre-processing and c.f. osm2pgsql, mkgmap, XAPI and every other tool
we have for that already. Oh, and write an application that uses them,
not just read the wiki.

This has to be one of the absolute worst discussions for people
asserting things they actually have no experience of doing. It's
cringe-worthily painful to read.

Cheers,
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Re: [OSM-talk] Highways tagging vs Polygon

2009-05-21 Per discussione Andy Allan
On Thu, May 21, 2009 at 7:43 PM, Richard Bullock rb...@cantab.net wrote:
 Am I missing something,

No, you're not.

Cheers,
Andy

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Re: [OSM-talk] Which software for SonyEricsson phones?

2009-05-21 Per discussione Shaun McDonald
I should have also said that I use a Sony Ericsson K850i. The K750i  
will work, though it may run slowly when using the maps as well as the  
logging.

Shaun

On 21 May 2009, at 23:00, Shaun McDonald wrote:

 I use TrackMyJourney, which has OSM Maps, and you can use OSM based
 routing and search online, with live updating. I use TMJ for all my
 mapping at the moment.

 If you are happy if small amounts of data, you may want to look at
 GPSMid.

 See http://wiki.openstreetmap.org/wiki/Software/Mobilephones for more
 information.

 Shaun

 On 21 May 2009, at 22:19, Valent Turkovic wrote:

 Hi,
 I have lots of friends with SonyEricsson phones and I have one
 bluetooth GPS dongle that I can give to them for making GPS logs.

 I have stumbled upon a rock - that is which software works on
 SonyEricsson phones without problems. Mainly I'm looking for software
 that mainly for SE K510 and SE K750 but on all other SE phones.

 I found some that work, but on some I can't find how to create logs,
 some create logs but can't save them (crash on saving), etc...

 Please if you have a tested software that works 100% with  
 SonyEricsson
 please share it.

 Thank you in advance,
 Valent.

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Re: [OSM-talk] Highways tagging vs Polygon

2009-05-21 Per discussione Andy Allan
On Thu, May 21, 2009 at 11:08 PM, Andy Allan gravityst...@gmail.com wrote:
 On Thu, May 21, 2009 at 7:43 PM, Richard Bullock rb...@cantab.net wrote:
 Am I missing something,

 No, you're not.

I should expand that statement. No, you're not missing something, it's
a fairly straightforward problem and your solution is fairly
straightforward and practical.

However, there are some people who don't know how they would process
the osm data, and instead of thinking that their knowledge, skills or
experience in geo-data is insufficient, they automatically think that
because they can't figure it out then there's something wrong with the
way that everyone else is doing things. And so we start inventing new
ideas with sufficient buzzwords (I hereby patent the
semantic-relation) and talk about them to death. I guess that's why
it's the talk@ mailing list and not the do@ ?

Cheers,
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Re: [OSM-talk] How to contribute new tag and symbol?

2009-05-21 Per discussione Claudius
Am 21.05.2009 23:37, Adam Schreiber:
 On Thu, May 21, 2009 at 5:33 PM, Ingo Lantschner
 listen2...@lantschner.name  wrote:
 Am 21.05.2009 um 18:42 schrieb Adam Schreiber:

 I created a symbol and some rules for the key/value tourism/
 apartment.
 I think you need to find a different key than apartment.  It seems you
 want to tag an extended stay hotel from the description:
 ...
 , but in the US apartment is used to describe any rental unit in a
 building with other rental units whether they are flats, townhomes, or
 a mixture of the two.
 That could start an endless discussion since there is practically no
 term which is both generic (including holiday-flat, business-
 apartment, serviced-apartment but excluding large-scale aparthotels
 and all forms of BB) without being ambiguous in a transcultural
 context. So I think at least for the tagging we must just choose
 something semi-optimal. May be that apartment was not the best
 compromise. Any idea of what we can use instead if it?

 I'd just call it a hotel.


IT don't think it qualifies as a hotel at all because you can and have 
to do most of the housework yourself there. What about 
http://en.wikipedia.org/wiki/Vacation_rental

Claudius


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Re: [OSM-talk] Which software for SonyEricsson phones?

2009-05-21 Per discussione MP
I am using GPSMid (http://gpsmid.sourceforge.net/) on SE W200i - I
don't have bluetooth GPS, so I use it only for displaying the map
(which it does quite fine), but it is also capable of using GPS
(should work with bluetooth and integrated cellphine GPSes), logging
tracks and making waypoints (making and exporting wayponts is
something that I am using frequently, so I can confirm this surely
works)

Martin

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Re: [OSM-talk] Highways tagging vs Polygon

2009-05-21 Per discussione Tobias Knerr
Nic Roets wrote:
 My opinion is that all defaults should be global. We should not have any
 country or urban / rural specific defaults. It will mean most ways will need
 a lot of extra tags. So we may need to improve the editors to make it easier
 to add all those tags. For example give the editors modes like Rural UK
 where they apply the defaults when new ways are created.

What's the advantage over adding a Rural UK tag to the way? If we can
teach it to the editor, we can define a tag for it.

 But it will make it a lot simpler for mappers. If you see a No Cycling
 sign on a trunk road and want to compare it to the DB, then you don't need
 to think about where the country border polygon ends.

So when I see that there is _no_ no cycling sign, but a bicycle=no in
the DB, what should I do? Remove it? But it might be part of the
country's traffic laws (and was therefore added by someone's editor in
Motorway Germany mode). How should I know?

What I would consider simple is my editor displaying the following
information when selecting a way:
* the set of defaults applying (Rural UK)
* all additional rules coming from signs etc.

I don't need to know what the defaults are! If there is a sign, I add
the restriction. It might or might not overwrite any defaults, Why
should a mapper care?

Tobias Knerr

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[OSM-talk] Canadian Triangle?

2009-05-21 Per discussione Jeffrey Ollie
Unless aliens have started using Canada to teach their children
geometry, this seems like someone uploaded something that they
shouldn't have:

http://openstreetmap.org/browse/way/34892338

-- 
Jeff Ollie

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Re: [OSM-talk] Which software for SonyEricsson phones?

2009-05-21 Per discussione Eugene Alvin Villar
I have a W760 (has an internal GPS) and TrekBuddy works for me for logging
purposes.

On Fri, May 22, 2009 at 5:19 AM, Valent Turkovic
valent.turko...@gmail.comwrote:

 Hi,
 I have lots of friends with SonyEricsson phones and I have one
 bluetooth GPS dongle that I can give to them for making GPS logs.

 I have stumbled upon a rock - that is which software works on
 SonyEricsson phones without problems. Mainly I'm looking for software
 that mainly for SE K510 and SE K750 but on all other SE phones.

 I found some that work, but on some I can't find how to create logs,
 some create logs but can't save them (crash on saving), etc...

 Please if you have a tested software that works 100% with SonyEricsson
 please share it.

 Thank you in advance,
 Valent.

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Re: [OSM-talk] Highways tagging vs Polygon

2009-05-21 Per discussione Stephen Hope
2009/5/22 Richard Bullock rb...@cantab.net:
 Am I missing something, or can we not just assume that e.g.

 each highway=residential has a speed limit consistent with urban areas in
 that country - unless explicitly tagged otherwise


Actually, that wouldn't work where I live in Australia.  Each state
can have it's own 'default' speed limit, not the country as a whole.
And in fact, different areas in the same state can have different
default speed limits.

For example, Queensland traffic law says that on any unsigned, built
up road, the speed limit is 60 kph.  Except for the SE corner, where
they decided a few years ago to make it 50 kph instead. (this is about
a 150 by 100 km rectangle).  All the main roads leading into this area
have signs pointing this out, but otherwise 50kph signs are few,
you're just supposed to know.  They may decide to make it cover the
whole state at some point, but not yet.

Stephen

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Re: [OSM-talk] Highways tagging vs Polygon

2009-05-21 Per discussione Matt Amos
On Thu, May 21, 2009 at 8:34 PM, Nic Roets nro...@gmail.com wrote:
 My opinion is that all defaults should be global. We should not have any
 country or urban / rural specific defaults. It will mean most ways will need
 a lot of extra tags. So we may need to improve the editors to make it easier
 to add all those tags. For example give the editors modes like Rural UK
 where they apply the defaults when new ways are created.

and the editor should make it easier for the mapper by choosing the
mode based on the area being edited. there should be something in the
DB to help the editor choose whether an area is rural or urban and
which country and state the user is looking at. something like...
polygons and admin boundaries?

 But it will make it a lot simpler for mappers. If you see a No Cycling
 sign on a trunk road and want to compare it to the DB, then you don't need
 to think about where the country border polygon ends.

what would be even simpler is not to have to worry about it at all,
safe in the knowledge that wherever i put a road a sensible default
will be chosen by whatever routing software wants to know.

 None of the arguments against it (e.g. countries frequently changing the
 speed limit, larger planet file etc) hold any water.

so... frequently running bots over entire countries to change the
speed limit, or adding (by my count) about 20 million new tags to the
DB, or dealing with inconsistencies between different editors, etc...
that doesn't hold any water?

 But my views may no be shared by the community.

i hope they are not ;-)

cheers,

matt

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Re: [OSM-talk] How to contribute new tag and symbol?

2009-05-21 Per discussione Adam Schreiber
On Thu, May 21, 2009 at 6:59 PM, Claudius claudiu...@gmx.de wrote:
 Am 21.05.2009 23:37, Adam Schreiber:
 On Thu, May 21, 2009 at 5:33 PM, Ingo Lantschner
 listen2...@lantschner.name  wrote:
 Am 21.05.2009 um 18:42 schrieb Adam Schreiber:

 I created a symbol and some rules for the key/value tourism/
 apartment.
 I think you need to find a different key than apartment.  It seems you
 want to tag an extended stay hotel from the description:
 ...
 , but in the US apartment is used to describe any rental unit in a
 building with other rental units whether they are flats, townhomes, or
 a mixture of the two.
 That could start an endless discussion since there is practically no
 term which is both generic (including holiday-flat, business-
 apartment, serviced-apartment but excluding large-scale aparthotels
 and all forms of BB) without being ambiguous in a transcultural
 context. So I think at least for the tagging we must just choose
 something semi-optimal. May be that apartment was not the best
 compromise. Any idea of what we can use instead if it?

 I'd just call it a hotel.


 IT don't think it qualifies as a hotel at all because you can and have
 to do most of the housework yourself there. What about
 http://en.wikipedia.org/wiki/Vacation_rental

I'm not sure that fits either.  I think he's desscribing someplace like:

http://www.extendedstayamerica.com/

Cheers,

Adam

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[OSM-talk-nl] Garmin op ibood

2009-05-21 Per discussione Sander Hoentjen
http://ibood.com/nl/nl
Ik neem aan dat je hier ook de Openstreetmap kaarten op kunt gebruiken?

Sander


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Re: [OSM-talk-nl] http://maximumsnelheid.openstreetmap.nl/

2009-05-21 Per discussione Ben Laenen
On Wednesday 20 May 2009, Maarten Deen wrote:
 Ben Laenen wrote:
  Het feit dat er nog geen goeie manier is om te zeggen hoe de
  bebouwde kom of snelheidszones juist liggen is een tijdelijk
  probleem, want het zal eens moeten opgelost geraken.

 Goh, en het wordt steeds gezegd dat de snelheid op de way taggen geen
 oplossing is. Maar wel dat een andere methode die er niet is de
 oplossing is. Ik snap het niet.

Bah, ik heb al lang de oplossing voor het taggen van zone 30's en 
gelijkaardige zones, aangezien het een vanzelfsprekende uitbreiding was 
op wat ik hier probeerde op te lossen: 
http://wiki.openstreetmap.org/wiki/Proposed_features/Access_restrictions

Als we relaties zullen nodig hebben voor ingewikkeldere restricties, dan 
kan je dat bij uitbreiding ook voor eenvoudigere maxspeed=30 
restricties, samen met dan een zone=yes tag. En hokus pokus, het 
beheren van zones in een stad als Antwerpen wordt opeens een stuk 
overzichtelijker, en ik heb het al een paar keer uitgetest: 
http://wiki.openstreetmap.org/wiki/Antwerpen/Zones (waarbij je merkt 
dat zones een naam en soms een nummer hebben -- informatie die 
waardevol is om het te onderhouden later maar die verdwijnt bij tags op 
ways). (*)

En ten slotte is het mij daarom te doen: het makkelijk beheerbaar houden 
van de data. We zijn in de eerste plaats mappers, en we moeten zorgen 
dat die data makkelijk te bewerken blijft naar de toekomst toe wanneer 
situaties onvermijdelijk veranderen: nieuwe verkeersborden die her en 
der geplaatst worden, of nieuwe verkeersregels die een heel land kunnen 
beïnvloeden (in Vlaanderen wordt bv. gesproken over het verlagen van de 
snelheid op wegen buiten de bebouwde kom van 90 naar 70 en dat kan over 
een paar jaar een feit zijn, dus zo exotisch is het echt niet). En dan 
kan je in dat geval alle wegen die getagd waren met maxspeed=90 opnieuw 
afgaan om te zien of ze impliciet waren, of dat er werkelijk een bord 
90 stond (en moet je dat dan ook weer ergens bijhouden om ervoor te 
zorgen dat meerdere mappers niet dezelfde wegen gaan controleren). En 
ik denk dat er in België nog wel genoeg ander werk is, dat het beter is 
geen tijd daaraan te verspillen als het niet nodig is.

Ben



(*) En ik heb nog nooit een goed argument gehoord tegen het gebruik van 
relaties voor dingen als zone 30's en bij uitbreiding bebouwde kommen. 
De enige die worden gebruikt zijn: dat gaan grote relaties worden (so 
what? enig idee hoeveel members bepaalde routes tegenwoordig al niet 
hebben?) en relaties zijn te moeilijk voor beginners (maar relaties 
zijn gewoon één van de drie basisstructuren in OSM, kunnen we er 
eindelijk van uitgaan dat de tijd dat relaties nieuw waren voorbij is 
en dat een mapper tenminste de moeite doet om het principe van relatie 
te begrijpen?), en de laatste is je gaat een way vergeten, maar dat 
valt dan weer op te lossen met nodige tools of probleemcheckers, ook 
net zoals dat geburt voor routes op dit moment.



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Re: [OSM-talk-nl] XAPI maar dan beter

2009-05-21 Per discussione Stefan de Konink

En we zijn live :)

http://xapi.openstreet.nl:8000/

De 'echte' XAPI code is nog niet geladen, maar ik weet dat mensen al 
zitten te springen om het volgende te proberen. Dit is Cherokee/DBSlayer 
voor een MonetDB5 database.


Voorlopig nog geen limieten... de eerste die een kruisproduct gaat maken 
zonder constraints weet ik te vinden. Dat is geen loos dreigement :)



Voor diegenen die in Python werken heb ik een voorbeeld bijgevoegd. 
Javascript gebruikers:


http://xapi.openstreet.nl:8000/json/QUERY


Wil je direct met MAPI of ODBC werken kun je even contact opnemen voor 
een persoonlijke gebruikersnaam/wachtwoord.



Er draait momenteel geen update script, dat komt er wel in de loop van 
de dag aan.



Stefan
#!/usr/bin/env python
import urllib

sql=SELECT lat, long FROM nodes_legacy, node_tags WHERE id = node AND k = 
'amenity' and v = 'atm';
query = urllib.quote(sql)

print 'Original:', sql
print 'Encoded:',  query

url  = 'http://xapi.openstreet.nl:8000/python/%s'%(query)
response = urllib.urlopen(url)

print 'RESPONSE:', response
print 'URL :', response.geturl()

headers = response.info()
print 'DATE:', headers['date']
print 'HEADERS :'
print '-'
print headers

data = response.read()
print 'LENGTH  :', len(data)
print 'DATA:'
print '-'

obj  = eval(data)
print obj
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Re: [OSM-talk-nl] XAPI maar dan beter

2009-05-21 Per discussione Stefan de Konink
Stefan de Konink wrote:
 Voorlopig nog geen limieten... de eerste die een kruisproduct gaat maken 
 zonder constraints weet ik te vinden. Dat is geen loos dreigement :)

Omdat ik me realiseerde dat niet ik maar Milo van Dogodigi de kosten 
draagt voor dit fantastische project. En Cherokee supereenvoudig 
requests kan herschrijven... word je gratis tegen jezelf beschermd, en 
krijg je standaard 10 resultaten terug. Aan echte SQL mensen is ook 
gedacht, als je de syntax kunt raden kun je hem vergroten ;)

...als dat geen service is :)


Stefan

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Re: [talk-au] Rivers

2009-05-21 Per discussione Andy Owen
I have a nokia n810 which I have used on foot to edit a map in the
middle of the day. 

I used osm2go:

http://maemo.org/downloads/product/OS2008/osm2go/

Which is actively developed, and lets you pick an area, download the osm
data for it, make offline changes (with the gps on) and then upload it
later.

While you walk around, it draws your current position, and a trace.

If you are the sort of person who likes buying toys, then you might want
to consider it (though I suspect it will be superseded soon, as the sdk
for the next version is being distributed now - so if you wait a bit,
then either you can get it cheaper, or get a newer shinier thing). 

The gps in it isn't great, but it does the job (it can take a while to
get a lock). The screen is awesome (800x480, but fits in your pocket,
and is transflective, so instead of washing out the screen, some of the
sunlight is reflected back to work like a backlight. If you are a
programmer, then you probably want one of these, otherwise, take my
enthusiasm for it and halve it :)

Andy


On Wed, 2009-05-20 at 15:07 -0700, delta_foxt...@yahoo.com wrote:
 --- On Wed, 20/5/09, ed...@billiau.net ed...@billiau.net wrote:
  I've tried something like this in the car but daylight is
  too bright to
  see anything on the computer screen, and my sunglasses
  don't have a
  reading correction built in.
 
 You could get something like the Panasonic Toughbook which is designed to be 
 used outdoors and in coal mines, but I'm trying to do everything on a smart 
 phone.
 
 
 
   
 
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Re: [Talk-de] Über Webformular Hausnummern von POI ändern

2009-05-21 Per discussione Bernd Wurst
Hallo Adrian.

Am Mittwoch 20 Mai 2009 23:16:20 schrieb Adrian Stabiszewski:
 das Projekt ist schon in Arbeit und heißt Amenity Editor. Wir testen
 gerade noch die letzten Feinheiten und geben es wahrscheinlich im Laufe der
 nächsten Woche frei.

Ich finde den Namen etwas abschreckend.
Vielleicht geht es anderen anders, aber hier bei OSM habe ich den Begriff 
amenity überhaupt zum allerersten Mal gehört. Für einen deutschsprachigen 
Neueinsteiger ist der Begriff IMHO sehr wenig selbsterklärend.
Zudem man ja (hoffentlich) nicht nur amenities damit bearbeiten kann sondern 
auch z.B. shop.

Einen definitiv besseren Vorschlag hab ich zwar auch nicht, aber wenn man es 
wenigstens irgendwie POI-Editor oder sowas nennen könnte...


Und natürlich das schon angesprochene verstecken der elementaren Tags 
(amenity, shop) zu Gunsten einer Drop-Down-Box, in der ein typisches 
Mitglied der Zielgruppe dann das richtige Element auswählen kann. Halt so 
ähnlich wie die JOSM-Vorlagen.


Aber die Intention und der Rest des Screenshots gefällt mir gut!

Gruß, Bernd

-- 
I believe in making the world safe for our children,
but not our children's children, because I don't think
children should be having sex.  -  Jack Handey



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Re: [Talk-de] Artikel in Der Freitag

2009-05-21 Per discussione Peter Dörrie

  Ist Google Maps ein Anbieter von Geodaten? Abgesehen von MapMaker haben
  die doch ihre Daten nicht selbst erfasst?


Auch wenn sie sie nicht selbst erfasst haben, bieten sie den Zugang zu
diesen Daten (bzw. den daraus entstehenden Kacheln) für den privaten und
kommerziellen Gebrauch an.
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[Talk-de] Potlatch 1.0

2009-05-21 Per discussione Frederik Ramm
Hallo,

   Potlatch hat jetzt eine Save-Funktion und damit einhergehend eine 
Moeglichkeit zur Konfliktloesung, falls jemand anders die gleichen Daten 
schon geaendert hat. Auch die Nutzung von Changesets soll besser geloest 
sein, und Kreuzungsnodes werden anders gezeichnet, damit man schnell 
sieht, ob man irgendwo unverbundene Strassenenden hat.

Es gibt eine neue Mailingliste (englisch) fuer die Potlatch-Entwicklung:
http://lists.openstreetmap.org/pipermail/potlatch-dev/ .

Bye
Frederik

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

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Re: [Talk-de] Wanderwetter

2009-05-21 Per discussione Johannes Huesing
Also, ich habe Schwierigkeiten, die folgenden Dinge so umzusetzen, dass sich
der Relation Analyzer nicht beschwert.

Ich bearbeite den lokalen Rundweg durch die Altstadt. Da die Altstadt klein 
ist, 
muss man den Weg verwinkelt anlegen, damit das nicht so auffällt. In diesem 
Rundweg sind auch zwei Stichstrecken, die vor- und zurückzulaufen sind. Denen
habe ich bislang keine Role zuerkannt. Soll ich für diese role=forward;backward
angeben?

Dann führt der Rundweg über einen Platz. Hier hat das Analyseprogramm sich 
beschwert, dass der Weg in sich geschlossen ist. Ich hatte bisher vergessen,
den Platz mit area=yes zu versehen, dass habe ich jetzt nachgeholt. Hilft
das?

Außerdem bin ich im Gegensatz zu Deinem Tool der Meinung, dass sich die 
Wege
http://www.openstreetmap.org/browse/way/25990252
und 
http://www.openstreetmap.org/browse/way/28715855
treffen, und zwar im Knoten 
http://www.openstreetmap.org/browse/node/281101411
-- 
Johannes Hüsing   There is something fascinating about science. 
  One gets such wholesale returns of conjecture 
mailto:johan...@huesing.name  from such a trifling investment of fact.  
  
http://derwisch.wikidot.com (Mark Twain, Life on the Mississippi)

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