Re: [OSM-talk] Announcing the Open Brewpub Map

2010-07-21 Per discussione Gustav Foseid
On Mon, Jul 19, 2010 at 5:44 PM, Sven Geggus li...@fuchsschwanzdomain.dewrote:

 It is avaliable on:

 http://brewpubs.openstreetmap.de/


Nice. I just added three brewpubs.

How often is the map updated?

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Re: [OSM-talk] On the ground rule on the wiki

2010-05-31 Per discussione Gustav Foseid
On Mon, May 31, 2010 at 7:57 PM, Frederik Ramm frede...@remote.org wrote:

 Something that is available from an official online source but not
 verifiable on the ground should not - in my personal opinion - be
 included in OSM.


No borders? No national parks? No nature reserves? No voltage on power
lines? No named farms (unless the owner puts up a sign)? No names for peaks?

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Re: [OSM-talk] On the ground rule on the wiki

2010-05-31 Per discussione Gustav Foseid
On Mon, May 31, 2010 at 9:01 PM, Ian Dees ian.d...@gmail.com wrote:


 No borders? No national parks? No nature reserves? No voltage on power
 lines? No named farms (unless the owner puts up a sign)? No names for peaks?



 Except for borders, all of those things are verifiable on the ground. I
 think that is Frederik's point.


How do you, on the ground, verify the name of a farm? How do, on the ground,
you verify the name of a peak? How do you, on the ground, verify a national
park or nature reserve?

All of these things might be properly marked with signs where you are, but
they certainly are not everywhere.

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Re: [OSM-talk] On the ground rule on the wiki

2010-05-31 Per discussione Gustav Foseid
 How do, on the ground, you verify the name of a peak?


 You look at the sign. Talk to the hikers you passed on the way up with your
 GPS.


Just out of curiosity, where do you live and who is putting signs on the
peaks there?

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Re: [OSM-talk] On the ground rule on the wiki

2010-05-31 Per discussione Gustav Foseid
On Mon, May 31, 2010 at 9:53 PM, Ian Dees ian.d...@gmail.com wrote:

 In the US, most of the peaks are marked at the trailhead you use to get to
 them.


I think you will find that most of the peaks in the world are not accessible
from trails. Try places like the Himalayas, Greenland, Antarctica, Northern
Norway, Siberia or Sahara (and probably large parts of Alaska as well).

As you pointed out, the on the ground rule, should not exclude features
that are not signposted.

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Re: [OSM-talk] [tagging] Feature Proposal - RFC -(man_made=mineshaft)

2009-10-21 Per discussione Gustav Foseid
On Wed, Oct 21, 2009 at 10:44 AM, Ulf Lamping ulf.lamp...@googlemail.comwrote:

 A former cafe can be helpful as a landmark as well. Especially when it's
 a free standing building (e.g. in a forest) near a larger city, which is
 not that uncommon in germany.


Is it a cafe? No. Should it be tagged as a cafe? No.

The disused tag can have certain uses when the object tagged does not really
change if it is used or not. A power line is basically a pwoer line even if
it disconnected and a cemetary is basically a cemetery even if it is no
longer used. But a cafe or pub? Absolutely not.

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Re: [OSM-legal-talk] ODbL virality questions

2009-10-08 Per discussione Gustav Foseid
On Fri, Oct 2, 2009 at 7:06 PM, Matt Amos zerebub...@gmail.com wrote:

 what are your thoughts?


I have a hard time seeing how any of these usecases can be anything other
than insubstantial extractions. The database directive (article 15) says
that Any contractual provision contrary to Articles 6 (1) and 8 shall be
null and void where 8 says that extraction of insubstantial parts are
allowed.

Why would we want to make guidelines that are null and void in the EU? I
cannot see any gain for OSM in trying to overstate our rights.

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Re: [OSM-talk] [tagging] Feature Proposal - landuse=orchard

2009-09-30 Per discussione Gustav Foseid
On Tue, Sep 29, 2009 at 1:54 PM, Emilie Laffray emilie.laff...@gmail.comwrote:

 That would mean that Mapnik needs to be checking a secondary field to
 determine what to display. If the renderer doesn't do that, you will end up
 with a map that is poorer in the end. In your case, that would mean
 increasing the size of the table produced by osm2pgsql by one extra column.
 Overall, you are increasing complexity with little or no benefits.
 I am not sure it makes sense in the end since were are getting exactly the
 same of information if you are using the tag directly in landuse.


If using farm as a base tag (or forest), you will make sure that thos not
interested in the details, still can use the data. To me that is a very
clear advantage.

You have two choices: Let those interested in detail check for details (two
tags) or require everyone to check for the details.

I fail to see any disadvantages of using landuse=farm + farm=orchard (or
something similar). Waisting a few bits in a database is simply not a
problem.

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Re: [OSM-talk] National boundary vs. territorial waters (was: Re: How *NOT* to map)

2009-09-29 Per discussione Gustav Foseid
On Tue, Sep 29, 2009 at 9:13 AM, David Paleino d.pale...@gmail.com wrote:

 Isn't that defined as territorial waters, different from national border?
 It would be better to have both drawn -- but the territorial waters marked
 as boundary=maritime, or the such?


Some info on tagging here:
http://wiki.openstreetmap.org/wiki/Proposed_features/Maritime_borders

More information about maritime borders in general here:
http://en.wikipedia.org/wiki/United_Nations_Convention_on_the_Law_of_the_Sea

Todo: Clean up to proposal and support in the most common renderers.

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Re: [OSM-talk] National boundary vs. territorial waters (was: Re: How *NOT* to map)

2009-09-29 Per discussione Gustav Foseid
On Tue, Sep 29, 2009 at 9:48 AM, John Smith deltafoxtrot...@gmail.comwrote:

 2009/9/29 Gustav Foseid gust...@gmail.com:

  Todo: Clean up to proposal and support in the most common renderers.

 Why do you want these to render exactly?


They are rendered today, but visually the same as land borders. I would
prefer the territorial waters to be rendered as a blue line, as this seems
to be the normal way to render maritime boundaries in most of the maps I
have checked.

The baseline might be of interest at high zoom levels for debugging, but the
others I see no reason to render in general purpose maps.

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Re: [OSM-talk] National boundary vs. territorial waters (was: Re: How *NOT* to map)

2009-09-29 Per discussione Gustav Foseid
On Tue, Sep 29, 2009 at 10:00 AM, John Smith deltafoxtrot...@gmail.comwrote:

 2009/9/29 Gustav Foseid gust...@gmail.com:
  They are rendered today, but visually the same as land borders. I would

 Ummm they are?

 http://www.openstreetmap.org/?lat=-24.622lon=153.677zoom=10

 Centre of the map is where the maritime border of Australia runs and I
 don't see anything rendered at any zoom level.


They have normally been tagged as land borders, resulting in something like
this:
http://osm.org/go/evC2d--
http://osm.org/go/3Tjpd-

I was unable to find the way describing the territorial waters of Australia.
How is it tagged?



  prefer the territorial waters to be rendered as a blue line, as this
 seems
  to be the normal way to render maritime boundaries in most of the maps I
  have checked.

 Most maps I've seen don't show territorial waters.


Agreed, but using the suggested tagging for maritime boundaries, you would
then need support in the stylesheets to _not_ render them. A proposal that
would need support to explicitly render the maritime boundaries was voted
against.

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Re: [OSM-talk] [Talk-it] How *NOT* to map

2009-09-29 Per discussione Gustav Foseid
On Tue, Sep 29, 2009 at 1:35 PM, Martin Koppenhoefer dieterdre...@gmail.com
 wrote:

 do you know which kind of grid the coordinates are in?


My guess would be ED50.

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Re: [OSM-legal-talk] New license status

2009-09-28 Per discussione Gustav Foseid
On Mon, Sep 28, 2009 at 12:46 PM, Jukka Rahkonen
jukka.rahko...@mmmtike.fiwrote:

 Will all contents of OSM year 2009 database be in public domain first of
 January, 2025?


The database directive gives 15 years of protection for a dump of a
database. As long as the database is updated, the protection period will be
continously renewed.

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Re: [OSM-legal-talk] New license status

2009-09-28 Per discussione Gustav Foseid
2009/9/28 Iván Sánchez Ortega i...@sanchezortega.es

 Better? :-)


:-)

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Re: [OSM-talk] Seoul

2009-09-09 Per discussione Gustav Foseid
On Wed, Sep 9, 2009 at 1:17 AM, Andrew Errington 
a.erring...@lancaster.ac.uk wrote:

 Actually, the convention is that objects should be tagged with four names.
  The 'name=*' tag is Hangul followed by English in brackets.  This is the
 most important, as it is the 'fallback' tag for rendering a name.  The
 others are 'name:en=*' for the English name, 'name:ko=*' for the Korean
 name (in Hangul), and 'name:ko_rm=*' for the Romanised Korean name.


How do we deal with all other languages than English that does not use
Hangul characters? Do we need to tag all these place names with all language
codes?

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Re: [OSM-legal-talk] wikitude content

2009-08-25 Per discussione Gustav Foseid
On Tue, Aug 25, 2009 at 11:27 AM, Richard Fairhurst rich...@systemed.netwrote:

 It isn't legal, because the locations are derived from Google Maps.


This is basically a mashup based on Google Maps. I was unaware that Google
have claimed any rights over POIs added in such mashups (Google My Maps or
other sites). Could you provide some more details?

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Re: [OSM-legal-talk] wikitude content

2009-08-25 Per discussione Gustav Foseid
On Tue, Aug 25, 2009 at 12:18 PM, Joel joelheeth...@gmail.com wrote:

 They do hold the rights to the location of the POIs when based on Google
 maps.


I have tried to find something in their terms that verifies this, but have
not found anything. Could you please be a bit more specific?

Even if the use case is slightly different, see this post by Ed Parsons (and
the comments):
http://www.edparsons.com/2008/10/who-map-is-it-anyway/


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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Per discussione Gustav Foseid
On Wed, Aug 12, 2009 at 7:51 AM, Nop ekkeh...@gmx.de wrote:

 In the strict (German) use case, you need to distinguish between
 bicycle=allowed/suitable and bicycle=road sign.  This is not about
 marking a default, this is about describing the real situation precise
 enough to make deductions about access rights for _other_ traffic.


highway=cycleway (allowed and suitable)
bicycle=dedicated (road sign)
bicycle=yes = (not road sign)
foot=yes/no (to make the situation clearer)

highway=footway (not suitable)
bicycle=yes (but allowed)
bicycle=dedicated (signed)

Or am I missing something?

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Per discussione Gustav Foseid
On Wed, Aug 12, 2009 at 9:47 AM, Nop ekkeh...@gmx.de wrote:

 highway=footway (not suitable)
 bicycle=yes (but allowed)
 bicycle=dedicated (signed)


 A footway for cycling is not a valid combination to me.


In Norway you are allowed to cycle on all footways, unless explicitly
forbidden.

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-11 Per discussione Gustav Foseid
On Tue, Aug 11, 2009 at 1:22 PM, Tobias Knerr o...@tobias-knerr.de wrote:

 Those eight people can only do this if not even 0.1% of the other 1
 care enough to oppose the proposal. If that's the case, then apparently
 the proposal isn't so bad, is it? Why didn't all those people who
 apparently hate path vote against it?


If  you look at the voting results, you will see that it was rather disputed
from the start:
http://wiki.openstreetmap.org/wiki/Approved_features/Path#Voting

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-11 Per discussione Gustav Foseid
2009/8/11 Nop ekkeh...@gmx.de

 This is a rather lenient definition that is unsuitable to depict the
 German use case. That is exactly the reason for the confusion we are
 having. If something is tagged as a cycleway and I am planning to walk
 on foot, I need to know whether it is an unsigned way assumed to be
 suitable for cycling (then I may use it as a pedestrian) or whether it
 is legally dedicated to cycling (then I must not use it as a pedestrian).


highway=cycleway, foot=yes vs highway=cycleway, foot=no?

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Re: [OSM-talk] Do we care if its forest or wood? Natural worldmapping ...

2009-08-10 Per discussione Gustav Foseid
On Sun, Aug 9, 2009 at 12:17 AM, Jason Cunningham
jamicu...@googlemail.comwrote:

 Looking at the discussion Mike Harris has already suggested the tags I
 would suggest, but I may as well repeat them
 natural=woodland  land covered with trees (Minimum Crown Cover = 20%)


Sounds like a good idea to me.


 landuse=forestry


I am not so sure about this. Combining landuse and natural is not normally
done (?) and I think forestry can be assumed outside of conservation areas.

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Re: [OSM-talk] radioactivity

2009-08-10 Per discussione Gustav Foseid
On Sun, Aug 9, 2009 at 7:21 PM, OJ W ojwli...@googlemail.com wrote:

 isn't the issue here that radioactivity is like height, i.e. a
 smoothly-varying value that exists everywhere and is typically
 represented as gridded data (which gets converted to contours for
 display).


Average yearly rainfall, air pollution, demographics,... The list goes on.


 with height, people said that the grid data was unsuitable for going
 into OSM because OSM is point/line/area, and that it would be
 confusing if you had huge grids of nodes for each sample of
 height/noise/radioactivity/ground colour.


I agree. There is (currently) no usable way to store such information in the
OSM database.

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Re: [OSM-talk] [RFC] highway=unclassified currently is too ambiguous, so here's my proposal to fix it.

2009-08-05 Per discussione Gustav Foseid
On Wed, Aug 5, 2009 at 7:40 AM, John Smith delta_foxt...@yahoo.com wrote:

 I'm proposing not to replace highway=unclassified but to clarify it's
 meaning to be one thing, that is it has higher volumes of traffic than
 residential, but not enough to be considered tertiary.


Then I propose to clarify it's meaning to be one thing, that is a road equal
to a residential road, but outside residential areas.

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Re: [OSM-talk] [tagging] Feature Proposal - Voting - Maritime borders

2009-08-01 Per discussione Gustav Foseid
On Fri, Jul 31, 2009 at 3:07 AM, Aun Johnsen (via Webmail) 
skipp...@gimnechiske.org wrote:

 Ok, I am revisiting this. Both me and Gustav F (original writes of the
 proposal) was not satisfied with the outcome of the last vote (about 50/50),
 so I have rewritten the proposal based on many of the comments from the
 rejecting votes.


In rewriting this proposal we have made some changes from the original
proposal:


   - The territorial waters should be tagged as other national borders, with
   an addition tag to indicate that it is not a normal land border.
   - It is made clear that the territorial waters is what should be in the
   boundary relation for countries

At the same time, the proposal provides a consistent way for tagging other
UNCLOS boundaries.

These changes have been made based on the criticism of the original
proposal. We hope that the revised proposal will be approved.

Please cast your vote at
http://wiki.openstreetmap.org/wiki/Proposed_features/Maritime_borders


Regards,

Gustav
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Re: [OSM-talk] Do we care if its forest or wood? Natural world mapping ...

2009-07-21 Per discussione Gustav Foseid
On Tue, Jul 21, 2009 at 9:55 PM, Tom Chance t...@acrewoods.net wrote:

 On Tuesday 21 Jul 2009 19:37:15 Gustav Foseid wrote:
  I would prefer a combination of natural=trees for smaller areas covered
  with trees, typically within urban areas, and natural=forest for larger
  forests or areas with forest like eco systems.

 Why?


Because is see forests as something fundamentally different from a few trees
in the corner of a park.

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Re: [OSM-talk] keep right! and landuse=wood

2009-07-20 Per discussione Gustav Foseid
On Mon, Jul 20, 2009 at 3:10 PM, Tom Chance t...@acrewoods.net wrote:

 Of course, determining whether your average bit of woodland in the UK is
 landuse or natural is fun, given that pretty much all of it has been
 carefully managed at soem stage over the past few hundred years! Why do we
 care if it's mananged, and if it's a forest or wood? Knowing that would
 help guide which tags to use, otherwise I'm tempted to just mark everything
 as natural=wood and be done with it!


In my mind, something like this:
http://www.flickr.com/photos/cricketbatwillow/825730972/
is managed forest and landuse=forest

But something like this:
http://www.flickr.com/photos/sequella/425687849/in/photostream/
is mostly unmanaged and natural=wood.

At least, that has been my interpretation of the wiki.

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Re: [OSM-talk] keep right! and landuse=wood

2009-07-20 Per discussione Gustav Foseid
On Mon, Jul 20, 2009 at 4:41 PM, John Smith delta_foxt...@yahoo.com wrote:

  http://www.flickr.com/photos/cricketbatwillow/825730972/
  http://www.flickr.com/photos/sequella/425687849/in/photostream/

 Ummm is it just me or do they both look like plantations used for logging?

 The only difference seems to be the age of the trees and/or type of tree.


The first picture is part of a willow plantation in Australia, especially
managed to make good materials for cricket bats. It is unlikely that willow
would grow in this spot, and at least in such neat rows, if it had not been
for this plantation.

The second picture is from a pine forest in Finland, with some spruce and
birch. From the picture it is hard to tell if they are planted or not, but
pine would certainly be growing there even if they are not planted. Some
forestry activites, like thinning, are probably done every 10-20 years and
the trees will some day be harvested.

I would not say that the second picture is of a plantation.

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Re: [OSM-talk] Do we care if its forest or wood? Natural world mapping ...

2009-07-20 Per discussione Gustav Foseid
On Mon, Jul 20, 2009 at 4:42 PM, Tom Chance t...@acrewoods.net wrote:

 Surely the basic, universal need is there are some trees here, they're
 called Sherwood Forest? Evoke natural=wood (lakes and beaches also fall in
 between managed and unmanaged land but are marked as natural)


Some trees here called something, does not really fit the reality in all
places.

Scandinavia:
http://maps.google.com/?ie=UTF8ll=60.632796,13.771362spn=1.470943,5.844727t=hz=8

Siberia:
http://maps.google.com/?ie=UTF8ll=62.277187,62.466202spn=0.174406,0.730591t=hz=11

Amazonas:
http://maps.google.com/?ie=UTF8ll=-6.20609,-62.402344spn=5.960723,11.689453t=hz=7

Kongo:
http://maps.google.com/?ie=UTF8ll=0.911827,16.798096spn=2.998546,5.844727t=hz=8

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Re: [OSM-talk] Do we care if its forest or wood? Natural world mapping ...

2009-07-20 Per discussione Gustav Foseid
On Mon, Jul 20, 2009 at 8:10 PM, David Lynch djly...@gmail.com wrote:

 I'm also thinking that deprecating both landuse=forest and
 natural=wood might be a good idea if this goes forward. Replace it
 with natural=trees, which is just as self-explanitory, and which (to
 this particular mapper) sounds like a better fit for small clumps of
 10 trees than wood.


What would you then use for a 200 square kilometer continous forest?

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Re: [OSM-talk] keepright! goes global

2009-07-19 Per discussione Gustav Foseid
On Sun, Jul 19, 2009 at 9:04 PM, Ed Avis e...@waniasset.com wrote:

 Great stuff!  I've been using keepright in London for a while now.
 The most common form of error is an almost-junction.  It seems that many of
 these could be fixed automatically, subject to manual confirmation.  Is
 there
 any tool that can do this?


Or an easy shortcut in Potlatch?

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Re: [OSM-talk] Wikipedia POI import?

2009-05-06 Per discussione Gustav Foseid
On Wed, May 6, 2009 at 8:03 AM, Richard Fairhurst rich...@systemed.netwrote:

 For over a
 hundred years, English courts have held that a significant expenditure of
 labour is sufficient - that's, er, Wikipedia saying that.


Has there been any sweat of the brow cases after the database directive
has been implemented?

In the Scandinavian countries a, somewhat, similar right exists (anyone who
gathers a large number of of facts). I have seen legal arguments that this
is invalid after the database directive, but has not been able to find any
court cases that are relevant.

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Re: [OSM-talk] immutable=yes Fwd: DEC Lands

2009-03-09 Per discussione Gustav Foseid
On Mon, Mar 9, 2009 at 7:54 PM, Russ Nelson r...@cloudmade.com wrote:

 *I* see OSM as an API for all possible geodata: everything that
 doesn't move, and a few things that do.  There are arguably many
 things currently in OSM which should not be edited.  For example,
 political boundaries at every level.


Well... Many of the boundaries could very well do with some editing.

I have worked with the Norwegian-Russian and Norwegian-Finnish borders.
First of all, the CIA data are very inaccurate  (150 meters or more in some
cases). Then you have borders that are not static (the Norwegian-Russian
border follows the actual thalweg in some places, and most international
borders are officially surveyed every 25 years or so). Even when you have a
surveyed border and access to the official documents there are inaccuracies
(Norway-Finland is accurate to a few millimeters, but the conversion to
WGS84 for Norway-Russia is maybe as uch as a few meters inaccurate).

And finally you have OSM tagging changing.

Some objects needs a lot more care when editing than others, but that is not
to say that someone with the right knowledge and sources available  should
be unable to edit them.

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Re: [OSM-talk] immutable=yes Fwd: DEC Lands

2009-03-09 Per discussione Gustav Foseid
On Mon, Mar 9, 2009 at 9:24 PM, 80n 80n...@gmail.com wrote:

 What's needed here is not an immutable=yes tag but rather a couple of tags
 source=DEC and accuracy=definitive which will give GPS toting mappers the
 information they need to know that the data in OSM is likely to be more
 accurate that their GPS.  They can then take an informed view about whether
 or not to mess with it.


This is how it is done for the NOFI border:
http://www.openstreetmap.org/browse/way/29505551/history
http://www.openstreetmap.org/browse/node/325229872/history


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Re: [OSM-talk] Post tastsic questions of my own

2009-03-05 Per discussione Gustav Foseid
On Thu, Mar 5, 2009 at 3:07 AM, SteveC st...@asklater.com wrote:

 Over IM and email I've had some really positive replies. There are a
 lot of you out there who personally responded that you liked my posts.
 You don't like the crappy negative tone of a lot of people.





 You think
 the license is a good step. You want to see my satanic portal. I have
 to ask you why do you do this personally? I know the answer. You have
 a secret and you want to keep it safe and warm and snuggly in your
 duvet, away from these posts. It's called sanity. I know. It's hard.
 But if you post here, and show the End Of The World crew that there
 are opinions beyond we will all be better. Really. All of you who
 have IM'd me or emailed with your kind words, jump in here and keep at
 it. We'll build a better world with unicorns and water that runs uphill.


I have seen enough of you postst to feel that you have contributed to the
negative tone. But can we leave the barking about who is the most negative
person on the list aside for a few days?


 My second question goes to those who live in the various countries
 that aren't bankrupt... oh I mean those that aren't in the UK.


Would Norway count?



 How is
 the community there? Is it bad? Is it good?


Somewhere in between, I would say.


 How can we help. What are
 *you* doing to help?


I have informed of the process, and think most people interested are on the
international mailing list. The response seems positive.


 Are you stirring dissent? Are you trying to build
 a consensus?


I have provided my view, that the idea behind the license is better than the
current CC-BY-SA, but that some legal aspects needs to be sorted out. We
have one person from a major Norwegian provider of online maps on the list.
He seems to have the same view as the other Steve, that a change is eagerly
anticipated by traditional cartographers.


 Do you think you're cool enough to fork or do you want to
 build something better? Because we love you.


Please... Could you, in addition to asking others to be more positive in
their communication, live up to that yourself.

 - Gustav
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Re: [OSM-talk] License plan - minimum-legalese option

2009-03-04 Per discussione Gustav Foseid
On Wed, Mar 4, 2009 at 5:43 PM, Ed Avis e...@waniasset.com wrote:

 http://www.google.co.uk/search?q=%22crown+copyright+and+database+right%22

 Heh.  My maps are too old to have this.


That would be an uphill battle, but there is a chance you might win. If you
have old digital map data, you might have an even better chance.

Do you have the resources to start a fight with OS? Thought so...

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Re: [OSM-talk] licence plan - Question about supplying own data

2009-03-04 Per discussione Gustav Foseid
On Wed, Mar 4, 2009 at 6:38 PM, David Earl da...@frankieandshadow.comwrote:

 They used the map to pin the locations - the points did not come from
 some other map. Therefore it is derived (this is precisely the problem
 with pinning pictures on a Google or OSM map). So if they put the data
 in a database (= spreadsheet for example) before printing it, that would
 be derived, surely.


The coordinates came from a Produced Work (some map image og paper map). As
I read the license, works (or databases) based on a Produced Work is not
subject to the conditions of the ODbL.


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Re: [OSM-talk] licence plan - Question about supplying own data

2009-03-04 Per discussione Gustav Foseid
On Wed, Mar 4, 2009 at 7:26 PM, Dave Stubbs osm.l...@randomjunk.co.ukwrote:

 If you were able to extract coordinates then this could be regarded as
 reverse engineering the Produced Work, in which case it's covered by
 4.7


It is not done by You or on Your behalf. So you cannot make a map and
then start reverse engineering, since you are bound by the license/contract,
but a random user of the map can do this.

I think such a clause makes a lot of sense. You cannot make a special
purpose rendering, showing just the information you want to reverse
engineer, and at just the right scale, to circumvent the license. On the
other side, things like normal geocoding of images would be no problem. I
don't think anyone see any need for users releasing their picture database.

This can also, to a limited degree, be a larger loophole if large amounts of
maps are distributed as SVG or other formats that are easier to reverse
engineer from. I still think it is reasonable to be perfectly clear that
things like geocoding images are allowed, without any need to share the
result.

  - Gustav
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Re: [OSM-talk] License plan

2009-03-03 Per discussione Gustav Foseid
On Tue, Mar 3, 2009 at 2:13 PM, OJ W ojwli...@googlemail.com wrote:

 except that the ODbL does represent a fundamental change in licensing
 of map images - previously they were sharealike, but with ODbL it will
 only require attribution?


That is hos the license is understood by most people, yes. Some questions on
the final wording are still outstanding, as you have probably seen.


 This could potentially alienate anyone who wonders why they are doing
 surveying for free so that cartographers can sell all-rights-reserved
 map images based on their data.


It could, potentially, even if I agree with Richard. I think it is important
to explain why this change is to the better in the majority of the cases.

It is no longer possible to make massive amendments to the OSM data set,
make a mp of this and not share the data. Previously, you had to share the
map image, including design elements like pictograms, but to get the updated
map data into the database again, someone would have to to georectification
of the map and trace the changes.

With the ODbL, the image of the map does not have to be free, but the data
have to be shared. This means that the design elements are proprietary, but
the data are easily available.

This also opens up uses where you can combine data sources with different
licenses. One example could be digital elevation models combined with data
from OSM, to make a good hiking map.

Two examples:

I want to make a map of Copenhagen, with some good beer pubs. I am a lousy
artist, and would like to grab some pictograms from istockphoto.com to make
a good looking map. This is not possible today, and the map will lack good
pictograms. I will also be adding some extra pubs and other information
which is not in the database today. If anyone want to add this extra
information to the database, so they will be available for other users, they
will have to do this manually and the project gains very little.

Cloudmade and Geofabrik have some nice looking stylesheets that I would like
to base the above map on. Even if the map tiles are available to me, they
are little of no use to me. I will need to customize some things, like
rendering of pubs and restaurants, and cannot use the tiles directly. The
share alike properties of these images is not worth very much to me.


I think the bottom line here, is that the _data_ are very much more valuable
than any image made with them.

 - Gustav
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Re: [OSM-talk] License plan

2009-03-03 Per discussione Gustav Foseid
On Tue, Mar 3, 2009 at 5:22 PM, wer-ist-roger juwelier-onl...@web.dewrote:

 The only thing I'm missing right now is a little more explenation on the
 wiki
 page. For example why needs the database a license at all? The database is
 nothing without the data init. So first of all why dose the database need a
 license and why do we need two different licenses for database and the data
 within?


What is an appropriate wiki page?

 - Gustav
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Re: [OSM-legal-talk] compatibility with CC licenses

2009-03-02 Per discussione Gustav Foseid
On Mon, Mar 2, 2009 at 8:36 PM, Grant Slater openstreet...@firefishy.comwrote:

 There has been some discussion of adding a tag into the planet.osm
 header detailing that the data is licensed.
 Also adding some contract text on http://planet.openstreetmap.org/ to
 cover our non-eu-database-right friends.


Take a closer look at the use case.

The two first users (the one making the derived database and the one
unzipping it on a FTP server) both distributed the license. The problem here
is the direct link to the modified database and the CTO never seeing the
license text. The first user could of course have put some kind of notice in
the header, but then again he might not.


 - Gustav
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Re: [OSM-legal-talk] compatibility with CC licenses

2009-03-02 Per discussione Gustav Foseid
On Mon, Mar 2, 2009 at 8:47 PM, Frederik Ramm frede...@remote.org wrote:

 Quoting 4.2 (b)

 [You must] Include a copy of this Licence [...] or
 its Uniform Resource Identifier (URI) [...] both in the Database [...]
 and in any relevant documentation


Sorry, overlooked that.

If this is in the planet.osm (or in my example planet-modified.osm), which
is a machine readable file not intended for manual reading, will this be
anything even close to a valid contract?

 - Gustav
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Re: [OSM-legal-talk] Factual Information License and Produced Works?

2009-03-02 Per discussione Gustav Foseid
On Mon, Mar 2, 2009 at 11:56 AM, Peter Miller peter.mil...@itoworld.comwrote:

 The ODbL says that one can release Produced Works under any license.
 The Factual Information License says that You must include a copy of
 this Licence with the Work in a location reasonably calculated to make
 others aware of it.


The Factual information license, seems to be a bit schizophrenic. It says
both that facts are free, and that these free facts cannot be used without
including a license...

 - Gustav
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Re: [OSM-legal-talk] compatibility with CC licenses

2009-03-02 Per discussione Gustav Foseid
On Sun, Mar 1, 2009 at 2:10 PM, John Wilbanks
wilba...@creativecommons.orgwrote:

 If Big Company decides to run a mechanical turk contest on Amazon to
 extract facts from your DB one at a time, do they violate the license
 without having ever signed it - can they possibly be bound by it if they
 haven't signed it, clicked ok on a digital box etc? And at what point
 does the individual person working in the turk contest infringe - 5
 facts, 10 facts, 100 facts? And who would you sue in the event you
 wanted to take it to court?


A related use case:

A user in the EU downloads the database (planet.osm in OSM), modifies it
(simplifies ways and merges dual carriageways, for instance) and puts this
derived database (planet-modified.osm) on a FTP server, along with a
readme.txt containing the license, in a zip file. Another user in the EU,
downloads this copy, unzips the archive and puts all the files in the zip
archive in a folder on a FTP server. A person in the USA, not related to the
creation or publishing of the database, makes a web page with a direct link
to just the database (planet-modified.osm). Then Small Company CTO downloads
the database from this link, having never seen the license text and working
in a jurisdiction without copyright protection (or related rights) for
databases. Can the CTO use the database in his brand new product without any
restrictions? Who, if any, can the creator of the original database take to
court?

A variation is if all the users are in the US, but Small Company is in the
EU. The Database Directive does not give protection for database creators
outside the EU/EEC (as far as I remember). Same questions.

 - Gustav
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Re: [OSM-legal-talk] ODbL: incompatibility issues

2009-03-01 Per discussione Gustav Foseid
On Mon, Mar 2, 2009 at 3:03 AM, Frederik Ramm frede...@remote.org wrote:

 Not so, it turns out; the Produced Work freedom allows us to combine
 OSM data *only* with other data whose license does not prohibit the
 addition of constraints, because ODbL mandates that we add the reverse
 engineering leads to ODbL licensing rule.



I do not read the ODbL this way. I read that only persons bound by the
license/contract are prohibited from reverse engineering. Clarification here
is needed.

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Re: [OSM-legal-talk] A Creative Commons iCommons license

2009-03-01 Per discussione Gustav Foseid
On Sat, Feb 28, 2009 at 8:34 PM, Frederik Ramm frede...@remote.org wrote:

 Not on the map per se, but if you use the map to re-create the original
 database then - at least that's what I was thinking! - you are not using
 your own database but you are (again) using the database compiled by the
 original owner, so you need his permission to use it. This is - I
 thought - absolutely independent of the channel through which you
 received the original database.


Think of CC0 (waive all database rights) or WTFPL (Can I... trace from the
map and sell the result?). With such licenses you can not keep any databse
rights.

But then again, the ODbL says [a]ny product of this type of reverse
engineering activity (whether done by You or on Your
behalf by a third party) is governed by this License. I fail to see how a
person having access to only the Produced Work (that would be, for instance,
a user of an online mapping service using OSM data), could be bound by the
ODbL. As long as he or she does not reverse engineer on Your behalf, it
seems such reverse engineering would be allowed.

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[OSM-legal-talk] Me, You, the Licensor and the Contract

2009-03-01 Per discussione Gustav Foseid
The Licensor (as defined below) and You (as defined below) agree as
follows: reads the beginning of ODbL. The Licensor is the natural or legal
person the that offers the Database under the terms of this Licence. Who
will be the licensor (owner) of the database for OSM?

For the factual information license, the wording is rather similar, but here
the OSM user is the Licensor. Who will be You?

When applying the license to a database, you do this by adding a copyright
notice. In what jurisdictions will this form a legal contract? What will
happen if a database is distributed without the copyright notice?

 - Gustav
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Re: [OSM-talk] rights of way and designation=*

2009-02-28 Per discussione Gustav Foseid
On Thu, Feb 26, 2009 at 12:44 PM, Robert Vollmert
rvollmert-li...@gmx.netwrote:

 I've had a look at tagwatch (unfortunately not terribly up-to-date)
 and documented this suggestion and current use at
 http://wiki.openstreetmap.org/wiki/Key:designation
 . Please flesh the page out! It'd be nice to have a list of sensible
 values there; also, should there be a :uk or uk: in the tag or
 value?


I think I was one of the first to mention uk (as in uk_row for the tag).
This was just to make the point that the tag could (and maybe even should)
be rather UK-specific, not necessarily that uk should be part of the name.

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Re: [OSM-talk] License plan

2009-02-27 Per discussione Gustav Foseid
On Fri, Feb 27, 2009 at 7:00 PM, Richard Fairhurst rich...@systemed.netwrote:

 I think it's pretty unarguable that, in the UK, your tracing of the
 Peruvian
 lakes would merit copyright or similar protection (as sweat-of-the-brow).


Both the UK sweat-of-the-brow and the Norwegian (and Dutch?) protection
of  a large number of facts _might_ be invalid after the database directive.
I have seen legal scholars argue that the Norwegian protection of databases,
are stronger than the database directive permits. This has, as far as I
know, never been tested in a court case, and as such does little more than
add tp the confusion surrounding database rights.

  - Gustav
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Re: [OSM-talk] amenity=doctor or amenity=doctors ? [tagging]

2009-02-24 Per discussione Gustav Foseid
On Tue, Feb 24, 2009 at 6:19 PM, Mike Harris mik...@googlemail.com wrote:

 Nick

 Again I find myself in almost complete agreement with you. I found
 highway=cycleway a particularly difficult concept given that bicycle rights
 are somewhat ill-defined in rights-of-way lore (notwithstanding the 1968
 Countryside Act).


They do, however, make pretty much sense in many other parts of the world. I
see no good reason why the (very UK specific) right of way tags should not
be something like uk_row:foot=, uk_row:briddleway= and so on.

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Re: [OSM-talk] Adding architect names to buildings

2009-02-19 Per discussione Gustav Foseid
On Wed, Feb 18, 2009 at 8:48 PM, Matthias Julius li...@julius-net.netwrote:

 Is the architect an attribute of the building or is the building an
 attribute of the architect?


From a mapping perspective, I would say that the architect clearly is an
attribute of the building. From an art history perspective, I would say that
the building is an attribute to the architect.

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Re: [OSM-talk] News blog link - to blogs.openstreetmap.org?

2009-02-17 Per discussione Gustav Foseid
On Tue, Feb 17, 2009 at 9:18 AM, SteveC st...@asklater.com wrote:

 Because 80n knows the answers Frederik, this is called politics.


But I, and many others, don't know the answer. I was asking a question.


 - Gustav
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[OSM-talk] [tagging] Maritime borders - Voting - (boundary=maritime)

2009-02-17 Per discussione Gustav Foseid
After discussions on both the mailing list and the wiki we (that is myself
and Skippern) have opened the proposed boundary=maritime for voting at
http://wiki.openstreetmap.org/wiki/Maritime_borders

We think this is the best way suggested to tag the whole hiearchy of
maritime borders, in a way that is useful for both renderers, other data
consumers and taggers. The proposal takes into account various claims of
sovereignty, ranging from the baseline to the EEZ.

Please be aware that this is a tag that is closely related to core map
features (national borders), and the result of this vote is likely to
influence most maps made using OSM data.


Regards

Gustav and Skippern (aka Aun)
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Re: [OSM-talk] Tagging of maritime borders

2009-02-17 Per discussione Gustav Foseid
On Tue, Dec 30, 2008 at 10:32 PM, Gustav Foseid gust...@gmail.com wrote:

 I would suggest that maritime borders are not tagged the same way as land
 borders. Should we have a new tag for maritime borders? Stop tagging them?
 Ignore the problem?


The proposal authored by Aun (Skippern) is now open for voting at
http://wiki.openstreetmap.org/wiki/Maritime_borders

 - Gustav
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Re: [OSM-talk] Greenland street and aerial geodata to OSM

2009-02-16 Per discussione Gustav Foseid
On Thu, Feb 12, 2009 at 12:43 PM, GIS g...@asiaq.gl wrote:

  Asiaq Greenland Survey holds a repository of digital geodata:
 orthorectified imagery of towns and villages and overview maps with streets,
 buildings, footpaths, shoreline, lakes etc. They can be seen on
 http://en.nunagis.gl by choosing a town on the drop down box.


Very good news :)


 By a donation we are able distribute data to osm, google and yahoo.


Is there a license text available somwehere?

How do we get further on uploading on osm?


The ortophotos could probably be uploaded to OpenAerialMap.

For the rest of the data, it would probably be best if someone made them
available for easy download?

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Re: [OSM-talk] News blog link - to blogs.openstreetmap.org?

2009-02-16 Per discussione Gustav Foseid
On Mon, Feb 16, 2009 at 11:17 PM, SteveC st...@asklater.com wrote:

 As you both know several years of work went in to that blog, and not
 just by me. Maybe you should both think twice before dismissing it all.


For those of us who don't know...

Who contributes to the news blog? What is the connection between
OpenGeoData.org and OSM?


 - Gustav
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Re: [OSM-talk] Maritme borders

2009-02-12 Per discussione Gustav Foseid
On Mon, Feb 9, 2009 at 11:57 AM, Gustav Foseid gust...@gmail.com wrote:

 Can you show me how to make rendering rules (I am mostly interested in
 Mapnik, but any renderer will do as a proof of concept), which does not draw
 a border line along the coastline of Germany and at the territorial waters
 border of Germany?


Sample rendering rules for proposal 3 in Kosmos are at
http://wiki.openstreetmap.org/wiki/Maritime_borders/Kosmos_3

The border between Norway and Russia is tagged according to this proposal.

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Re: [OSM-talk] Maritme borders

2009-02-09 Per discussione Gustav Foseid
On Mon, Feb 9, 2009 at 10:49 AM, Jochen Topf joc...@remote.org wrote:


Actually the best we have is the actual tagging in the database. Works
 wonderfully.


I disagree.

Can you show me how to make rendering rules (I am mostly interested in
Mapnik, but any renderer will do as a proof of concept), which does not draw
a border line along the coastline of Germany and at the territorial waters
border of Germany?

f you look at almost any non-OSM map, that be an Atlas of the World from you
bookshelf, a tourist map of Europe or most (if not all) online maps, you
will not see halos around islands and coastlines. This is not because the
data to make them have been unavailable for the mapmakers, but because the
mapmakers have made a choice not to show these borders or show them
differently (perhaps as a thin blue line). If we tag maritime borders the
same way as land borders, it will be very difficult for someone using OSM
data to avoid drawing halos, with todays renderers I would even call it
impossible. I think we should make it easy to follow long established
cartographic conventions for general purpose maps using OSM data, and at the
same time making it fairly easy to make a special purpose map.


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Re: [OSM-talk] Maritme borders

2009-02-09 Per discussione Gustav Foseid
On Mon, Feb 9, 2009 at 12:07 PM, 80n 80n...@gmail.com wrote:

 Tagging the appropriate parts with maritime=yes or something would add
 valuable semantic information about these borders.  It would also then make
 it very easy for renderers to suppress them or render them differently.


One of the suggestions on the wiki page (and the one I like best), suggest
using boundary=maritime and using border_type=* for the various types of
maritime borders defined in UNCLOS.

 - Gustav
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Re: [OSM-talk] Maritme borders

2009-02-09 Per discussione Gustav Foseid
On Mon, Feb 9, 2009 at 12:20 PM, Frederik Ramm frede...@remote.org wrote:

 You have probably not read the posting to which Jochen refers. It is here:


Read, but not understood (even if I did try...)


 It distinguishes between boundary=administrative (which would denote the
 political boundaries, be they on water or on land), and
 land_area=administrative (for the land area). Other than this distinction,
 both are tagged the same. A landlocked country will have just one border
 relation that is tagged boundary=administrative AND
 land_area=administrative, whereas a country with maritime borders will have
 two relations that partly use the same ways, partly not.

 Crucially, the coastline ways are never tagged with any boundary tag; they
 are just included as-is in the land_area=administrative relation.


So, a renderer will need to understand realtions to be able to render any
borders?

Would it not be a good idea to combine this relation with a specific set of
tags for maritime borders? I still have not seen a ruleset (for any
renderer) that does not render the halos around coastlines.


 - Gustav
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Re: [OSM-talk] Maritme borders

2009-02-09 Per discussione Gustav Foseid
On Mon, Feb 9, 2009 at 7:01 PM, Jochen Topf joc...@remote.org wrote:

 Simple rendering without need for the relation has been taken care of
 in the comprehensive proposal by tagging the ways with admin_level. What
 else do you need?


You have taken care of the wrong part of rendering. It is easy to render the
territorial waters border, but difficult not to.

I have checked some widely used online maps (didn't bother to go digging
through my paper maps):
Google Maps: Does not render international maritime borders
Mapquest: Renders baseline/internal waters at high zoom levels, land borders
only at low zoom levels.
Live Maps: Renders only land borders
Yahoo Maps: Renders only land borders and (at low zoom levels) internal
waters border between two countries
Map24.com: Internal waters and land borders?

Basically, it seems that most map makers prefer to treat maritime borders
and land borders differently. I think taggin in OSM should make this well
established practice easy, instead of making it easy to render the
territorial waters and land borders the same.

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Re: [OSM-talk] Maritme borders

2009-02-09 Per discussione Gustav Foseid
On Tue, Feb 10, 2009 at 12:33 AM, Jochen Topf joc...@remote.org wrote:

 But! There always is a but, isn't there. :-) When I look at popular
 maps, a very common thing is to only paint part of the map boundaries in
 the water. Normally only out from the coast for a few kilometers and
 maybe between islands or so. Does that mean we have to tag those parts
 differently?


Look at proposal 2 on the wiki page. This was my original proposal, but I
have changed my mind, as the most common ways to do this, seems to be
rendering either territorial waters or baseline/internal waters with
countries on both sides.

OK, so proposal 3 is not perfect for all renderers, but it is a pretty good
start for the most common rendering needs, and it reflects the legal
situation for these borders pretty well. It also is a good starting point
for fiddling in the database to get other rendering rules. I have asked if
you can come up with a rendering rules for your proposal (which is still not
documented in the wiki) for the most common ways to render maps. I will
provide some for proposal 3 as sson as I have the time.


 Maybe boundary=somewhat_important? Its nice to tag things
 to make it easier for the renderers, but first we should tag them for
 what they are. And the boundary out on the water is an administrative
 boundary like all the others. So it should be boundary=administrative.
 If you want to, you can add extra tags as hints to renderers.


No, they are not administrative borders like all the others. They are part
of a hiearchy, where territorial waters is the most important. Please take
another look at
http://en.wikipedia.org/wiki/United_Nations_Convention_on_the_Law_of_the_Sea

How should internal waters, contigious zone and EEZ be tagged? They are also
boundaries.

 - Gustav
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Re: [OSM-talk] Maritme borders

2009-02-08 Per discussione Gustav Foseid
On Sun, Jan 4, 2009 at 3:57 PM, Gustav Foseid gust...@gmail.com wrote:

 This is not intended to solve all problems with tagging of maritime
 borders, just as a temporary way to tag these borders without causing
 bubbles around all coastlines in all general purpose renderers.


Some more progess has been made on the wiki page, and I suggest everyone
interested in the topic of maritime borders head over to
http://wiki.openstreetmap.org/wiki/Maritime_borders

It would be nice if tagging of these borders could be solved soon. A
formal proposal with wiki voting is probably the best way forward for
these tags, with a page cleanup, RFC and a following vote within a couple of
weeks. I am no big fan of the wiki vote procedure, but it is the best we
have.

 - Gustav
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Re: [OSM-talk] Key:smoothness

2009-02-01 Per discussione Gustav Foseid
On Sun, Feb 1, 2009 at 12:15 AM, Sam Vekemans
acrosscanadatra...@gmail.comwrote:

 I think the page needs to be put back to the regular map features standard.


I disagree.

There are a number of features listed as approved without being on map
features. This should alse be tha case for smoothness, as long as:

 - It is not supported by any renderer.
 - Hardly used at all.
 - It is rather hard to understand how to use.

Those who need to use map something like this, should be able to find it on
the approved page, but it does not need to be on the map features page.

 - Gustav
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Re: [OSM-talk] Key:smoothness

2009-02-01 Per discussione Gustav Foseid
On Sun, Feb 1, 2009 at 3:43 PM, sylvain letuffe li...@letuffe.org wrote:

 A tag should be IMHO on the feature page as long as it's potential use
 covers
 a lot of object in the database where a lot of mapper might be in touch
 with.


Should we have a page detailed mapping of roads or something similar?
Could be useful, imho, for traffic_calming, service, tracktype and some less
used tags like bus_guideway.

  - Gustav
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Re: [OSM-talk] Wiki: chriscf vandalism

2009-01-31 Per discussione Gustav Foseid
On Sat, Jan 31, 2009 at 4:07 PM, Richard Fairhurst rich...@systemed.netwrote:

 Disagree strongly - it depends entirely where you're mapping. I doubt I've
 ever come across anywhere where smoothness= might be relevant while mapping
 Burton-on-Trent (well, maybe one road which the flipping Gas Board keeps
 digging up), a large urban area.


I did some mapping in the Gambia in early January (not much of it in OSM
yet, and deleting my GPS log was not a good idea). Here smoothness= could
make quiet a lot of sense, as the smoothness of the road pretty much
decided what kind of vehicle you had to hire and what route to follow. Of
course, if you did bring a mechanic, that did influense the decision.

This is not to say that I support the tag, as my vote indicates, but
something similar can be useful.


 But around here in rural Charlbury, that kind of information is absolutely
 crucial when mapping bridleways. As someone on the wiki pointed out,
 though,
 the smoothness tag as currently conceived is near as dammit useless for
 these because it offers no chance for differentiating between winter and
 summer.


Or dry/wet season for that matter.


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Re: [OSM-talk] West African mangrove forests and PGS coastlines

2009-01-29 Per discussione Gustav Foseid
On Thu, Jan 29, 2009 at 12:41 PM, Erik Johansson e...@kth.se wrote:

 Landsat also produces images outside of the visibile light spectrum,
 perhaps looking at these others could help? (How to access these, and
 if it really works I don't know).


I downloaded Landsat images of Banjul from
ftp://ftp.glcf.umiacs.umd.edu/glcf/Landsat/WRS2/p205/r051/p205r051_7x20001106.ETM-EarthSat-Orthorectified/and
started playing around a bit. The result ended up looking like this:
http://www.foseid.no/gustav/gallery/main.php?g2_itemId=1073g2_imageViewsIndex=1

Compare with how this looks in OpenStreetMap today and in OpenAerialMap
(iCube Landsat):
http://www.openstreetmap.org/?lat=13.394lon=-16.358zoom=11layers=B000FTF
http://www.openaerialmap.org/?lat=13.42284lon=-16.56708zoom=11layers=BF

I have not tested the same settings at other places, but it does at least
indicate that automated tracing from selected Landsat data could be
possible.


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Re: [OSM-talk] Maritme borders

2009-01-04 Per discussione Gustav Foseid
On Sun, Jan 4, 2009 at 3:16 PM, Richard Fairhurst rich...@systemed.netwrote:

 Ugh. Can we (ping steve8) get some way of tagging this differently so it
 _doesn't_ show? It looks really, really ugly.


As a temporary solution, I suggest that until a proper tagging scheme for
maritime borders are found, the following tagging is used for territorial
waters:

 boundary=administrative
 border_type=territorial_waters

Only where this is a border between two nations (that is, the territorial
waters meet and there is both a left:country and right:country) is
admin_level=2 added.

This is not intended to solve all problems with tagging of maritime borders,
just as a temporary way to tag these borders without causing bubbles around
all coastlines in all general purpose renderers.


Regards,

Gustav
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Re: [OSM-talk] Maritme borders

2009-01-01 Per discussione Gustav Foseid
On Thu, Jan 1, 2009 at 3:50 AM, Thomas Wood grand.edgemas...@gmail.comwrote:

 In other news, I've converted the 12nm line around the UK and Ireland
 to be fully tagged, so it's now showing in its own bubble on the
 mapnik render.


In my mind, these halos around al islands, are in itself a good reason to
provide som kind of hints for renderers in tha tagging of maritime borders.
An renderer that does not want such bubbles can probably do some kind fo
magic in their copy of the database to find boundaries more or less 12 nm
from a coast and not render them, but it is hardly an easy operation.

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Re: [OSM-talk] Maritme borders

2009-01-01 Per discussione Gustav Foseid
On Thu, Jan 1, 2009 at 6:45 PM, Martijn van Oosterhout klep...@gmail.comwrote:

 boundary=maritime?


or something like:

boundary=administrative
admin_maritime=territorial

?

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Re: [OSM-talk] Maritme borders

2008-12-31 Per discussione Gustav Foseid
On Wed, Dec 31, 2008 at 1:37 AM, Rory McCann r...@technomancy.org wrote:

 Some land borders, e.g. between Ireland and the UK are like that. No
 border control.


It is not exactly the same. Anyone (say a person from Morocco or Colombia)
is not allowed to walk across Ireland on his way to the UK without going
through imigration, but he is allowed to sail through the Irish territorial
waters on his way to the UK. The UK miltary is free to use the Irish
economic zone (200 mile boundary) for military exercise and can sail through
Irish territorial waters in their way there, but they are not free to march
through Dublin on their way to a war game in Cork.

I think maritime borders should be in OSM. I can't really think why they
 should be tagged differently. They are a boundary=adminitrative, and
 they do have an admin_level of 2 


What border would you tag? The end of internal waters, the end of
territorial waters or the end of the economic zone?

I agree that they belong in OSM. But admin_level 2? To me, that implies that
this is a boundary between two entities of level 2 (countries). The maritime
borders, however, mark decreasing level of control with the same entity
(country) on both sides of the border.

The places where the territorial waters of two countries meet (that is,
where there is less than 24 miles from shore to shore) tagging the same way
as a land border makes more sense, in my opinion.


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Re: [OSM-talk] Maritme borders

2008-12-31 Per discussione Gustav Foseid
On Wed, Dec 31, 2008 at 1:26 PM, D Tucny d...@tucny.com wrote:

 I'm not exactly up on laws, rules, treaties and agreements etc regarding
 borders and controls, but, is this not about politics? If Someone from,
 using your example, Morocco, flies to the UK via Ireland, they also won't
 need to go through imigration in Ireland, as long as they are only
 transferring...


That is up to the country you are transferring through. In the US, for
instance, you need to go through imigration even when you are transferring
between two international flights.


 The borders are real, they do exist do they not, but, isn't it up to the
 ruling goverment to decide how they enforce those borders, be it at land, at
 sea, in the air and with whom they allow free passage across those borders?


I suggest the following Wikipedia article as a good starting point:
http://en.wikipedia.org/wiki/United_Nations_Convention_on_the_Law_of_the_Sea


 Should administative boundaries at level 2 show an area of border control
 only? Should the admin_level between EU member states or between schengen
 member states be a higher level? say 3 or 4? With an EU boundary at level 2?
 Or a Schengen boundary at level 2? Or overlapping schengen and EU boundaries
 at level 2 or 3...


No, but I think admin_level should indicate that a line is a boundary
between two entities of the same level. When you say that a boundary is
admin_level 2, does that not indicate that you have one country on one side
of the line and another country on the other side of the line? If used on
maritime borders of 12 nm, it indicates that you have one country's
territorial waters on one side and the contiguous zone of the same country
on the other side. If used at 24 nm it indicates one contry's contiguos zone
on one side and the same country's economic zone on the other side.

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Re: [OSM-talk] Tagging of maritime borders

2008-12-30 Per discussione Gustav Foseid
On Wed, Dec 31, 2008 at 12:22 AM, Ævar Arnfjörð Bjarmason
ava...@gmail.comwrote:

 Have they been tagged as national borders or just as
 boundary=administrative? If it's the latter why is this an
 inappropriate use of the boundary=administrative tag? Exclusive
 economic zone and territorial waters are just another type of
 administrative borders at the trans-national level.


They have been tagged just as normal land borders, with
boundary=administrative and admin_level=2. The only difference is that they
(for obvious reasons) normally have only one contry name, sometimes none.

Replacing admin_level with something that indicates that the boundary is not
between two different administrative entities of similar level.

 - Gustav
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Re: [OSM-talk] google wms

2008-12-24 Per discussione Gustav Foseid
On Wed, Dec 24, 2008 at 2:45 PM, Simon Ward si...@bleah.co.uk wrote:

 Hard validation wasn't the point.  The point was to make the user think
 twice, just as with Richard's comment on using GPSBabel to convert KML
 to GPX, then having to munge it to add timestamps.  You can bypass such
 a check in the editor just as easily, but either method allows the
 editor to tell the user why there's a problem.


Let us not make this a KML-problem. It is a nice format to work with, well
supported and with more features than GPX. All the work I have done with the
international borders of Norway, have been based around KML, for a number of
reasons (the two most important, being the ability to assign colors to
markers and a good client to visualize the data in).

In addition, I have had a hard time finding anything in Google Earth terms
that limits tracing, as opposed to Google Maps where this is stated very
clearly.

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Re: [OSM-talk] Rendering of Place Names in Mapnik

2008-12-18 Per discussione Gustav Foseid
On Thu, Dec 18, 2008 at 1:37 AM, Karl Newman siliconfi...@gmail.com wrote:

 That's the sort of thing automated renderers have difficulty sorting out.
 Maybe we need a tag for cultural value :-P

 (I would hazard a guess that San Jose has a larger economic impact,
 though.)


I have suggested that the number of values for the hamlet/village/town/city
hiearchy is incerased. Adding major_* and minor_* for village, town and city
could be one way to solve some of the problems.

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Re: [OSM-talk] Rendering of Place Names in Mapnik

2008-12-18 Per discussione Gustav Foseid
On Thu, Dec 18, 2008 at 5:24 PM, Karl Newman siliconfi...@gmail.com wrote:

 You're still missing the point about San Jose--it's larger in both area and
 population (and probably in economic activity as well), and is located
 within an hour's drive of San Francisco, but San Francisco is better known
 around the world and should arguably take priority in rendering.


My idea was that major_ could be used for a city of greater importance of
some kind. Someone also suggested a value metropolis for the large
metropolitan areas.

I do not agree that using population or area is a good way to solve this
problem. Finding population data for all named places is not easy (this
problem extends beyond the largest cities) and population is not necessarily
a good way to find the most important place name in an area.

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Re: [OSM-talk] Rendering of Place Names in Mapnik

2008-12-18 Per discussione Gustav Foseid
On Thu, Dec 18, 2008 at 5:58 PM, Karl Newman siliconfi...@gmail.com wrote:

 Sure it is. If a lot of people want to live in a place, in general that
 should make it more notable. Besides, I was only suggesting using population
 as a tiebreaker for equal place key values. It's not the final answer, but
 it's objective and it goes a long way toward fixing the problem. I don't
 like your _major and _minor suffixes because they imply different
 population, which is not how you described it.


How do you suggest we find population for places?

I can tell that a town is a regional center, without having to know it's
population. Maybe major/minor is not the best names, however.

How many values should we have for populated places? We have 4 now
(hamlet/village/town/city). Should we add more? Reduce to fewer? Maybe just
one?

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Re: [OSM-talk] Rendering of Place Names in Mapnik

2008-12-18 Per discussione Gustav Foseid
On Thu, Dec 18, 2008 at 6:34 PM, Ed Loach e...@loach.me.uk wrote:

 Perhaps something could be done similar to boundary with so many
 admin_levels and some sort of default mapping from the existing 4
 places to their new numeric equivalent (a bit like footway and some
 combination of tags including highway=path are equivalent as far as
 I can tell). This would allow areas around the world to use
 intermediate levels should they wish to, if their societal structure
 makes such use appropriate.


That could be an option, but it is not backwards compatible. It would,
however, make it easior to adapt to various cultures.

The place name structure must work in a number of different situations, just
to mention a few:

- A metropolis like Tokyo or Los Angeles, often constisting of what is
considered a number of smaller cities.

- An island like Crete, where the mountains are literally scattered with
little towns and hamlets quite close together (example from Douglas Furlong
in another thread).

- Norwegian rural areas, where villages are just areas where the houses are
somewhat closer than outside of villages.



 I'd probably add suburb somewhere between town and village, and
 allow perhaps 2 spare levels between each of those 5 categories, and
 perhaps a couple either side as well, though can't imagine what gets
 smaller than hamlet - isolated house perhaps?


Regions within a town or city is of course another problem, with only
suburb available today.

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Re: [OSM-talk] N2000 database from Statens kartverk

2008-12-12 Per discussione Gustav Foseid
On Fri, Dec 12, 2008 at 10:14 AM, Lars Aronsson l...@aronsson.se wrote:

 Can someone who speaks Norwegian and is familiar with the map data
 copyright situation in Norway please take a look at this user talk
 page, http://commons.wikimedia.org/wiki/User_talk:Jensens#Kart



He claims that they are N2000 maps from Norge Digitalt and that he has
access to these maps as a partner of Norge Digitalt.

My employer is a Norge Digitalt partner, and I have access to these maps at
work. They are *only* for internal use and is not to be used for
redistribution. I am not sure of exactly when usage stops being internal (we
often print Norge Digitalt maps to give as documentation to our suppliers,
for instance), but I am pretty sure this is usage is not within the license.


Regards,

Gustav
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Re: [OSM-legal-talk] ODbL: Who is the licensor / whose database is it?

2008-12-11 Per discussione Gustav Foseid
On Thu, Dec 11, 2008 at 4:01 PM, Iván Sánchez Ortega
[EMAIL PROTECTED]wrote:

 Temporary files (or information arranged in memory) in your computer are
 considered databases, so I'd go with option 1.


To be protectec under the database directive, you need to make a
significant investment for the database to be protected. You also need to
be a citizen of a EU or EEA country.

IANAL (could a lawyer please explain whu we keep saying this?)

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Re: [OSM-legal-talk] Removal of CC-SA-BY licensed data from OSM after ODbL takes effect

2008-12-10 Per discussione Gustav Foseid
On Wed, Dec 10, 2008 at 5:52 PM, Rob Myers [EMAIL PROTECTED] wrote:

 Would it be possible for CC to offer a licence transition clause for
 large scale open geodata projects in the same way the FSF has
 offered an FDL - BY-SA get out for Wikipedia in the current minor FDL
 revision?


Well... If I am not mistaken, people closely involved with CC have argued
that OSM is in the public domain and only the graphical maps are creative
and covered by copyright. You might call that a transition strategy, if not
a transition clause.

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Re: [OSM-legal-talk] Removal of CC-SA-BY licensed data from OSM after ODbL takes effect

2008-12-10 Per discussione Gustav Foseid
On Wed, Dec 10, 2008 at 6:56 PM, Ævar Arnfjörð Bjarmason
[EMAIL PROTECTED]wrote:

 That would entail arguing that map data is uncopyrightable while at
 the same time transitioning the OSM map data to a new copyright
 license. It's not feasible.


Database protection can exists even if copyright does not.

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Re: [OSM-talk] Updated view of 'A year of edits on OSM' and also Santa's Routes!

2008-12-10 Per discussione Gustav Foseid
On Tue, Dec 9, 2008 at 9:32 PM, Ed Loach [EMAIL PROTECTED] wrote:

  I don't know Norwegian, but the best translation of Gråsonen that I can
 come up with is grey zone.


Gråsonen or grey zone is a  disputed area between the (undisputed)
exclusive economic zones of Norway and Russia. In my opinion, it makes
little sense to have this area marked as a administrative boundary of level
2, as long as we do not these zones in the first place.

A sketch is here: http://www.sikkerhetspolitikk.no/kart/hav/2.htm

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Re: [OSM-talk] Hierarchy of places

2008-12-03 Per discussione Gustav Foseid
On Tue, Dec 2, 2008 at 11:51 PM, Pieren [EMAIL PROTECTED] wrote:

 No. What I suggest is to keep the current place key as a first
 argument to prioritize places and use either population or
 admin_level as a second argument in case the first is equal. So if
 Paris is declared twice as a place=town in the db, the second argument
 can distinguish which one is the most important.


I am more concerned about giving good hints for renderers than the
namefinder, but I think the arguments are pretty much the same for both
cases.

Using other keys to give priority does not always work. Would you use the
population for London metropolitan area or City of London as the London
population, for instance? (I would argue that you use the metropolitan area,
but you probably get the point.) I think we should have some way of saying
that Boston is larger than Cambridge, Los Angeles is larger than Long Beach
and Karlstad is larger than Kil. Certainly, this could be done by adding
another set of tags, requiring another, potentially protected, datasource
and/or more computation by data consumers.

Some keys have added an enourmous number of values for things that are
almost the same. I would not suggest going to any extreme, but add two or
three values (one for large cities, one to differentiate between large and
small towns and perhaps one for the very large metropolitan areas).

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Re: [OSM-talk] Hierarchy of places

2008-12-02 Per discussione Gustav Foseid
On Tue, Dec 2, 2008 at 7:14 PM, Ben Laenen [EMAIL PROTECTED] wrote:

 It's a very bad idea IMHO. This is just trying to fix what's wrong with
 the town/city/village tags with more of the same tags.


In my opinion, the main problem is that it lacks granularity. I have no way
to say this town is rather large and an important commercial center for the
surrounding area vs this town is a rather small town which mostly consists
of suburbia. Could you please expand on what you think is wrong with
town/village/hamlet?

I can think of only a few European contries giving legal status as city,
since they would all have to be English speaking countries.

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Re: [OSM-talk] Hierarchy of places

2008-12-02 Per discussione Gustav Foseid
On Tue, Dec 2, 2008 at 7:55 PM, Pieren [EMAIL PROTECTED] wrote:

 The  question is coming because the name finder gives the same
 importance to Paris, USA and Paris, France (or something like that).
 Instead of making more artificial granularity on the place hierarchy
 which is just moving the problem a bit farther not fixing it, I would
 suggest to use other tags like the population or the admin_level. Then
 it is the responsibility of the software developer to decide which one
 is the best for his application.


Do you propose to replace place=hamlet/village/town/city with a
place=populated_place (or something similar) and just use otehr metrics for
rendering London more visible than Idmiston?

I have a hard time seeing that village/town/city is an artificial
granularity, and cannot see how adding a couple of more values makes them
artifical either.

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Re: [OSM-talk] How to tag this unknown barrier

2008-12-02 Per discussione Gustav Foseid
2008/12/2 Miriam Tolke [EMAIL PROTECTED]

 mapping some areas here I came across some barriers in several places which
 in my opinion don't fit in those described in [[Map Features]]. I've
 uploaded a photo to
 http://wiki.openstreetmap.org/wiki/Image:Unknown_barrier.jpg.

 How do you tag this?


I would probably tag it as a bollard, since it allows pedestrians and
bicycles to pass, but not four wheel vehicles. No, it doesn't look like a
bollard, but it serves the same purpose and is after all not _that_
different from a bollard.

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Re: [OSM-talk] How to tag this unknown barrier

2008-12-02 Per discussione Gustav Foseid
On Tue, Dec 2, 2008 at 10:43 PM, Miriam Tolke [EMAIL PROTECTED] wrote:

 I tagged it as bollard before and yes, it comes near. But I think at least
 from the meaning of traffic_calming=chicane mentioned in the other answers
 it might even better.


I would say that a chicane is designed to slow down traffic (much like a
speed bump) and make a road less suitable for through traffic, without
blocking access for any vehicles that are able to use the road on either
side. This barrier is constructed to in such a way that cars which are able
to use the road, are unable to pass the barrier.

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Re: [OSM-talk] Edit war on the wiki map features

2008-11-25 Per discussione Gustav Foseid
On Tue, Nov 25, 2008 at 5:55 PM, Sebastian Hohmann [EMAIL PROTECTED]wrote:

 Even if the tag is horrible, it has been voted on and should thus stay
 on Map Features. Or should just everyone edit the wiki without regard
 for others.


The tag is, in my opinion, very_horrible, but that is besides the point
here. In my opinion the name for unclassified and parts of the places
structure just as bad.

We need to have a place to document the most used tags and tags that should
be known, and easy to find, for newcomers as well as trained mappers. That
is the Map Features page, and it should be reserved for a core set of tags,
recognised by the most important renders and/or routing application.
Smoothness is _not_ such a tag.

The place for an approved tag which is not widely used is Approved
features, not Map Features.

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Re: [OSM-talk] Edit war on the wiki map features

2008-11-25 Per discussione Gustav Foseid
On Tue, Nov 25, 2008 at 8:55 PM, Ralf Zimmermann [EMAIL PROTECTED]
 wrote:

 As for the tags that are being rendered by Mapnik or [EMAIL PROTECTED], if
 somebody makes a list of those I would put them on the wiki somewhere close
 to the renderer. This is because of two reasons:
 a) If a tag is not rendered on a map that is made for the general public
 this does not mean that this tag is not important on a specialized map - for
 example a map made for inline skaters.
 b) Remember: We are not tagging for the renderers. It is good to have the
 end-user in mind when you map and tag. But the renderer is not an end-user!
 And if they were - those would only be two flavours of a huge list of
 possible uses of the OSM data.


We are not tagging for renderers, well it had to be mentioned, didn't it?
No, that's right, we do not tag for renders, which means we do not tag
something landuse=park, because we want it to be shown as green on the map,
but because it is a park.



  The place for an approved tag which is not widely used is Approved
 features, not Map Features.


 I disagree in this point. How do we decide what is a widely used tag? And
 how can a new tag widely used when it is not on the Map Features wiki page?


The other day I needed to tag a ski jump. That is not a widely used tag,
even if each and every ski jump on the planet should be tagged with it. I
would not expect a new mapper in The Gambia to be familiar with this tag,
just as I would not need to know how to tag different varieties of mangrove.

To me there are some core tags (highway=primary) which every mapper should
be familiar with. On the other end of the scale there are things like bus
guideways or ski jumps. I would consider an area fully mapped, even if a
pelota field or a couple of grit bins are missing, but not if a primary
highway is gone. Somewhere, there should be a more or less clear and concise
list of tags that most mappers should be somewhat familiar with. I think
this should be Map Features.

Today, Map Features is full of almost unused tags (bus_guideway),
contradictions (soccer vs football), hard to understand descriptions (no
tag for this type yet, mostly out of order) and endless lists of shops
and amenities.

For tags of regional importance (mangrove, ski jump), we have national map
features pages already. Here you can add tags which are not important
everywhere, as well as national interpretations of the universal tags. One
example is what link and primary should be in varying countries.

If you come across something special, venture into unknown territory (I am
actually going to the Gamboa soon, and need to read up on those mangrove
tags), you should know where to look. This could be approved features or
somewhere else.

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Re: [OSM-talk] Anyone familiar with Pulkova 1932 coordinates?

2008-11-22 Per discussione Gustav Foseid
On Sat, Nov 22, 2008 at 9:13 PM, Tim Waters (chippy)
[EMAIL PROTECTED]wrote:

 This website may help?

 http://spatialreference.org/ref/epsg/?search=Pulkovo


Thank you for the link.

It seems Pulkovo 1942 variants are much more used, than 1932. The main
difference seems to be that they changed from Bessel spheroid to to
Krassowsky.

Anyway, the file contains a number of coordinates given in Pulkovo 1932
(zone 5 and 6) as well as UTM89. Bernt found that these coordinates are
enough to get a good approximation using linear regression. The border is
going to be resurveyed next year, and hopefully a more modern daum will be
used.

I will post a link to the border as soon as I am done processing the
numbers.


Regards,

Gustav
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Re: [OSM-talk] Ordnance Survey tries to reinforce its stranglehold over derived geographic data in the UK

2008-11-20 Per discussione Gustav Foseid
On Thu, Nov 20, 2008 at 1:14 PM, David Earl [EMAIL PROTECTED]wrote:

 and the letter from OS which provoked it:


 http://www.freeourdata.org.uk/docs/use-of-google-maps-for-display-and-promotion.pdf


To me it seems that OS is broadening it's business into the seriously
overstating rights trade...

(Follow up should probably go to legal-talk, cc:ed)

 - Gustav
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[OSM-talk] Anyone familiar with Pulkova 1932 coordinates?

2008-11-20 Per discussione Gustav Foseid
I got the official coordinates for all the border stones and markers along
the Norwegian-Russian border. The points are taken from the official
protocol, and are in Pulkovo 1932 coordinate system.

Does anyone have experience in working with this coordinate system or know
how to transform the values to WGS84?

The file is available from
http://www.foseid.priv.no/gustav/2008/osm/Russkoor.xls, but all comments are
in Norwegian only.


 - Gustav
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Re: [OSM-talk] Mapnik rendering of paths + place=locality in general

2008-11-05 Per discussione Gustav Foseid
On Tue, Nov 4, 2008 at 3:46 PM, Andy Allan [EMAIL PROTECTED] wrote:

  in that case we better find
  another solution which can tell what tags programs will try to support.

 Actually, a page like map features which documented such things would
 be good. But the current craze on the wiki is to ignore reality, run
 some voting stuff to make it look official, and then try to bend
 reality to fit whatever's decided by the wiki-fiddlers.


I wish we could have a wiki page that describes tags which are supported by
at least one of the major renderers (main mapnik, osmarender, cyclemap),
routing software or widely used. Now a number of tags on map features are
very rarely used or even usable (bus_guideway) or generally not rendered
(path).

As it is now, I think map features is confusing and often of little help
when trying to find the best way to tag a feature.


 - Gustav
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Re: [OSM-legal-talk] A really quick poll

2008-11-03 Per discussione Gustav Foseid
On Mon, Nov 3, 2008 at 8:21 AM, SteveC [EMAIL PROTECTED] wrote:

 a) Would you like OSM to always be inferior to TeleAtlas and Navteq
 and probably die (PD license)
 b) Would you like OSM to be the best map on the planet (viral license))
 c) This requires more than 90 seconds thought, please let me review
 the history of BSD vs. GPL


I am really worried, when I see the chairman of the OSM Foundation making
these kind of oversimplified statements regardig a complex issue like the
OSM license. Building a community is much more important than any license,
and this is not a good way to do it.


 - Gustav
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[OSM-talk] Lake rendering

2008-11-03 Per discussione Gustav Foseid
Could someone take a look at lake Østensjøvannet near Oslo, and tell me how
to fix the mulitpolygons, so both Osmarender, Mapnik and the Cycle Map
understand them?

http://www.openstreetmap.org/?lat=59.8815lon=10.8767zoom=14layers=0B00FTF
http://www.openstreetmap.org/?lat=59.8816lon=10.8768zoom=14layers=B000FTF
http://www.openstreetmap.org/?lat=59.8816lon=10.8768zoom=14layers=B000FTF

I have made a couple of attempts, but without much luck.


 - Gustav
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Re: [OSM-talk] Lake rendering

2008-11-03 Per discussione Gustav Foseid
On Mon, Nov 3, 2008 at 2:37 PM, Bernt M. Johnsen [EMAIL PROTECTED] wrote:

 Østensjøvannet seems ok, but Nøklevannet is missing on the Mapnik
 rendering. Is that the problem?


Sorry, my mistake. Yes, the problem is Nøklevannet.

  - Gustav
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Re: [OSM-talk] Lake rendering

2008-11-03 Per discussione Gustav Foseid
On Mon, Nov 3, 2008 at 10:28 PM, Martijn van Oosterhout
[EMAIL PROTECTED]wrote:

 With two seperate relations I presume, one for the wood, one for the
 lake. Offhand I think osm2pgsql should get this right in slim mode
 (non-slim has its own problems). Do you have an example?


It is reported as ticket #1308 now.

 - Gustav
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Re: [OSM-talk] Recent changes to slippymap Mapnik rendering

2008-10-29 Per discussione Gustav Foseid
Is there anywhere I can find the stylesheet used for the main Mapnik layer?

 - Gustav
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Re: [OSM-legal-talk] PD vs SA: The eternal battle

2008-10-22 Per discussione Gustav Foseid
On Wed, Oct 22, 2008 at 2:00 PM, bvh [EMAIL PROTECTED] wrote:

 Apple


I think we have heard enough of what Apple have done, might have done,
probably would have done and have not done for a while.

Could we again start focusing on a license for the OSM database?

 - Gustav
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