Re: [OSM-talk] [Candidacy] AGM Foundation 2010 - Girona

2010-07-06 Thread John Smith
On 6 July 2010 18:48, Oliver (skobbler) osm.oliver.ku...@gmx.de wrote:
 the project to the outside world. If you would ask ten people today what
 openstreetmap is about you would get ten different answers, that is what you
 can also see from this thread.

If you asked those same 10 people what they want from a map, you'd
probably still get 10 different answers.

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Re: [OSM-talk] sotm2010 video stream?

2010-07-06 Thread John Smith
On 6 July 2010 23:07, Floris Looijesteijn o...@floris.nu wrote:
 We are actually planning to do this again, but no guarantees, that's why
 it's not mentioned yet :)

If they can't be streamed live, are they still going to be recorded?

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Re: [OSM-talk] Area-type objects and ways along its boundaries

2010-07-06 Thread John Smith
On 7 July 2010 05:51, Nakor nakor@gmail.com wrote:
 If the river/road/... is the actual boundary, shouldn't the same way be used
 for both instead of having duplicate ways? I've seen this done in some
 places (Ohio IIRC)

The boundary might be similar to other features, but unless you like
reading a lot of legal documents there is no way to definitively know
if a boundary is the other feature.

It also makes things more difficult to edit in future if things
diverge, but the boundary doesn't move.

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Re: [talk-au] no Maxspeed=* style sheet...

2010-07-06 Thread John Smith
Due to popular demand this has been updated to include most common
highway types instead of just residential/unclassified and similar
types...

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Re: [talk-au] no Maxspeed=* style sheet...

2010-07-06 Thread John Smith
David Dean wanted to see areas already tagged with maxspeed=* so I
created one based on the colours from the JOSM maxspeed style sheet:

http://www.dstoecker.eu/josm/maxspeed.xml

http://maps.bigtincan.com/?z=12ll=-27.662,153.131layer=BFFFTFFF

You may need to force a refresh, the JS script that defines the map
layers tends to be heavily cached by browsers...

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[talk-au] BMW augmenting gps with inertial navigation

2010-07-06 Thread John Smith
BMW has been working on augmenting GPS navigation for some time now,
and it took another big step forward in recent weeks with the
announcement of its Pathfinder microNavigation system. As the name
suggests, that would supplement your basic navigation system with maps
and directions for areas not covered by GPS -- a parking lot, for
instance -- and it could be continually updated on an as-needed basis,
with users able to download so-called microMaps for a specific area
before they go on a trip.

http://www.engadget.com/2010/07/06/bmws-pathfinder-micronavigation-system-promises-to-augment-gp/

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Re: [OSM-talk] [Candidacy] AGM Foundation 2010 - Girona

2010-07-05 Thread John Smith
On 5 July 2010 12:37, Ben Last ben.l...@nearmap.com wrote:
 Geocoding isn't freely available (unless your needs are small-scale).
  Housenumbers are the key to geocoding addresses, and without geocoding many
 useful applications of a map are lost, or at least made more difficult.  So
 I'm reasonably excited about housenumbers.

And you may well be in one of the better positions to do something
about it more than most, especially if you go ahead with what you were
proposing recently.

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Re: [OSM-talk] Why quality is more important than routing speed

2010-07-05 Thread John Smith
On 5 July 2010 10:45, john whelan jwhelan0...@gmail.com wrote:
 Generally speaking you could bot an area with the default speed limit then
 just tag the higher speed roads.

You don't need to bot anything, you can easily do this sort of thing in JOSM...

 The bigger problem is how do you stop some teenager from changing the sped
 limit on the map.

How do you limit/prevent other sorts of abuse? Why would this tag be
any more or less prone to abuse?

Mind you wouldn't attacking the device limiting speed be quicker/more
efficient, since I'm assuming the speed limit information in the
device won't be updated in real time etc...

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Re: [OSM-talk] [Candidacy] AGM Foundation 2010 - Girona

2010-07-05 Thread John Smith
On 5 July 2010 19:29, M∡rtin Koppenhoefer dieterdre...@gmail.com wrote:
 actually I don't understand why so many people complain about mapping
 trees. Trees have generally a longer life cycle than buildings. I like
 trees and I like to have them in the map. Why should I map postboxes?
 I hardly send any letters.

This whole thread is about the same reason why people complain about
others mapping trees, people have what they are interested in and
they'd like others to help map them so the map is more useful for
them.

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Re: [talk-au] How to tag a church without its own building

2010-07-05 Thread John Smith
On 5 July 2010 08:50, Roy Wallace waldo000...@gmail.com wrote:
 3) use two separate relations (one amenity=school and one
 amenity=place_of_worship) that both have the building as the sole
 member. John might have further thoughts on this [IMHO very hacky] use
 of relations.

Normally I might suggest this, but are we tagging what the thing is/is
mostly used for, or do we also tag every minor use as well?

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Re: [talk-au] How to tag a church without its own building

2010-07-05 Thread John Smith
On 5 July 2010 17:39, Steve Bennett stevag...@gmail.com wrote:
 The only reason you gave against creating multiple nodes was you
 didn't like it. Seems fine to me. Especially since the church and
 school in this case are not really co-located: the centre of the

There is no church, they're using a school hall for church based activities...

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Re: [talk-au] How to tag a church without its own building

2010-07-05 Thread John Smith
On 5 July 2010 18:52, Mark Pulley mrpul...@lizzy.com.au wrote:
 Depends on the definition of church. If you mean 'building with pointy roof'
 then no (although some church buildings don't have pointy roofs). If you
 mean the congregation then yes. Depends on what the map is being used for -
 if  (for example) someone is looking for a place to attend a church meeting
 on a GPS, then it makes sense to appear, the question becomes how best to
 tag it.

If we're tagging what's on the ground, then it's a school hall, if you
want to do minor uses this would nearly need to be done as a relation
simply because the primary use should take precedent. What if scouts
also meet there, how about PC meetings, parent teacher nights, school
dances, how many nodes do you plan to add on the same location for a
single building?

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Re: [talk-au] How to tag a church without its own building

2010-07-05 Thread John Smith
On 5 July 2010 19:09, John Henderson snow...@gmx.com wrote:
 On 05/07/10 17:49, John Smith wrote:

 There is no church, they're using a school hall for church based
 activities...

 church is a significant amenity provided by that building, surely.  It is,
 by all accounts, a place of worship.

At most the church (as an organisation) makes use of a location,
what's on the ground is a school facility that may have many such
uses...

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Re: [talk-au] How to tag a church without its own building

2010-07-05 Thread John Smith
On 5 July 2010 20:06, Steve Bennett stevag...@gmail.com wrote:
 Which we're not. There is no on the ground rule, guideline, axiom,
 suggestion or anything. Can we stop using this non-existent guiding
 principle?

Ok, if we're not tagging physical objects what are we tagging? The
gold brick road to Oz?

 Yep, this strategy would definitely break down. Although I do think
 place of worship is a little bit special.

Shouldn't the amount of use be more defining?

What if it's used for basketball 5 days a week, but church for one
hour on Sundays?

 The 4 options Roy presented all seem somewhat reasonable, but we need
 to make this kind of decision once, on a big scale: OSM now supports
 semicolon-separated value lists: developers please take note. Not
 just piecemeal for each individual situation where the current
 key=value structure is limiting.

OSM has for a long time supported semi-colon separated, but most
software doesn't bother to parse it.

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Re: [talk-au] How to tag a church without its own building

2010-07-05 Thread John Smith
On 5 July 2010 20:21,  ed...@billiau.net wrote:
 Interesting as the church as a building is a corruption of the original
 meaning

I did try to make this point clear by stating organisation v building,
however it's a little difficult to geographically map organisations,
so all we're left with is mapping buildings.

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[talk-au] no Maxspeed=* style sheet...

2010-07-05 Thread John Smith
As per David Murn's request/suggestion/wish for a no maxspeed layer
similar to the noname layer, I made a overlay style sheet that shows
ways similar to the noname style sheet, red lines, for ways that don't
have a maxspeed=* value:

http://maps.bigtincan.com/?z=7ll=-27.070,153.255layer=BFFTFFF

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Re: [talk-au] How to tag a church without its own building

2010-07-05 Thread John Smith
On 6 July 2010 02:08, David Murn da...@incanberra.com.au wrote:
 What about.. draw the school as an area/building, then simply put a
 single node for place_of_worship in the hall, maybe with opening_hours
 or something similar.

So if there is 10 uses/users of the hall, we need to place 10 nodes?

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Re: [OSM-talk] [Candidacy] AGM Foundation 2010 - Girona

2010-07-04 Thread John Smith
On 4 July 2010 18:28, Oliver (skobbler) osm.oliver.ku...@gmx.de wrote:
 It is because of other reasons that major companies are not using OSM.

If companies already pay for data with more restrictive licenses than
OSM offers, then I can only assume the license issue is just a
sticking point because the data might not be perceived as good.

Therefore I can only conclude that at some point the license will
become a non-issue once the perception shifts that the data is good
enough to replace commercial alternatives...

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Re: [OSM-talk] [Candidacy] AGM Foundation 2010 - Girona

2010-07-04 Thread John Smith
On 4 July 2010 23:00, John F. Eldredge j...@jfeldredge.com wrote:
 I agree about the importance of being able to find a location via its postal 
 address.  One of the most frequent reasons for looking up a location on an 
 online map is so you can find out where on a long street a particular address 
 is located.  This is one of the chief advantages that an online map has over 
 a paper map.

That's just a rendering issue, paper maps could just as easily print
the street numbers, digital map data does have it's unique advantages
though, like integration with positioning information.

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Re: [OSM-talk] [Candidacy] AGM Foundation 2010 - Girona

2010-07-04 Thread John Smith
On 5 July 2010 00:16, John F. Eldredge j...@jfeldredge.com wrote:
 True, but paper maps are usually not printed at a scale where including 
 street numbers are practical.

Other than street directories?

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Re: [OSM-talk] [Candidacy] AGM Foundation 2010 - Girona

2010-07-04 Thread John Smith
On 5 July 2010 04:57, Oliver (skobbler) osm.oliver.ku...@gmx.de wrote:
 My personal opinion is that the strengths of OpenStreetMap lies in the large
 decentral knowledge. And I think it would make more sense to steer some of
 this local power in a certain direction. I consider it a waste of resource
 if people map trees unless attributes with a wider use have been captured in
 this region. I am pretty sure that some of these people who map trees would
 be happy giving a hint what is important for the OpenStreetMap community and
 map other elements instead. And until nobody tells them what is important
 for the OpenStreetMap community they map what they think is right.

The problem here is people are better off doing what they find
interesting, if they are forced, or feel forced to go in a certain
direction they may tire or become bored and loose interest entirely in
OSM.

If you want people to do something they're not interested in doing you
will have to come up with greater incentives for them, but just
telling them they should do it for the greater good isn't it.

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Re: [OSM-talk] [Candidacy] AGM Foundation 2010 - Girona

2010-07-04 Thread John Smith
On 5 July 2010 06:02, Oliver (skobbler) osm.oliver.ku...@gmx.de wrote:
 How do you want to find the right licensing, funding and communication
 approach (to avoid the word strategy) without having a strategic goal?

There is fundamental differences between facilitating volunteers and
running a company, volunteers aren't paid and don't tend to do well
being told what to do...

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Re: [talk-au] How to tag a church without its own building

2010-07-04 Thread John Smith
On 4 July 2010 23:33, Mark Pulley mrpul...@lizzy.com.au wrote:
 I'm planning to add a local church, but rather than having its own building,
 it meets in a local primary school hall. What would be the best way to tag
 this?

It's not really a church if it's a school hall, the church
(organisation) just uses it occasionally...

I don't think there has been much discussion about occasional
occupation of other locations... You might want to post to the tagging
mailing list to see what people in other countries have done...

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Re: [OSM-talk] Changed highway=*_link meaning?!

2010-07-03 Thread John Smith
On 3 July 2010 19:50, Konrad Skeri kon...@skeri.com wrote:
 One possibility is to just use highway=link and then let the renderes
 sort out the rest. A link is after all just a link no matter what it

It may not be possible for preprocessing or renderers to figure it out.

 connects, so there's really no reason for a *_link except when tagging
 for the renderer, which we shouldn't do.

As a few people pointed out, we always tag some things for the
renderer, like highway=primary/secondary/etc...

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Re: [OSM-talk] Changed highway=*_link meaning?!

2010-07-03 Thread John Smith
On 3 July 2010 20:35, Dermot McNally derm...@gmail.com wrote:
 On 3 July 2010 11:18, John Smith deltafoxtrot...@gmail.com wrote:

 As a few people pointed out, we always tag some things for the
 renderer, like highway=primary/secondary/etc...

 I disagree that this is tagging for the renderer. Rather, it is
 rendering for the tags. The highway tag assigns a role (importance,
 build quality, or whatever is considered good in the particular
 region) and the renderer presents them differently.

Personally I don't see a point for anything but motorway_link, but
what is the difference between what you said and what others are
suggesting for other *_link roads?

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Re: [OSM-talk] [Candidacy] AGM Foundation 2010 - Girona

2010-07-03 Thread John Smith
On 3 July 2010 20:39, Oliver (skobbler) osm.oliver.ku...@gmx.de wrote:
 license. In essence I would like to understand who is intended to benefit
 from a PD-license, mappers, consumers, developers, companies, data donors? I

Some data is being released in Australia from governments under cc-by
licenses, and they would possibly benefit from OSM having a cc-by
compatible license, I'm sure some other donors would be in the same
boat. I think Sam has mentioned some Canadian government data is being
released without any restrictions and they wouldn't be able to accept
any data back unless there was no restrictions, so in this case a PD
license would benefit donors.

I think most declarations by end users are more moral than anything,
in that most end users wouldn't stand to gain anything tangible
directly regardless of what the license is.

I doubt most consumers or developers would gain anything directly,
usually they benefit from services but is it OSM's place to demand how
the data should be used?

NGOs might benefit from a more liberal license, simply because they
may be able to build up their own from different sources, although
those sources then might claim copyright due to being a derivative
product.

In my mind, the main beneficiary would be companies selling products
or services and gaining a competitive advantage over their competition
by not being required to share any changes they make. This in turn
might be detrimental for consumers and developers because they may
want to use the most consistent map source but not necessarily the
best license or price for their users and so on.

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Re: [OSM-talk] Changed highway=*_link meaning?!

2010-07-03 Thread John Smith
On 3 July 2010 21:14, Dermot McNally derm...@gmail.com wrote:
 Firstly, I haven't suggested anything for *_link roads, I've simply
 disagreed with your assertion that our use of the highway tagging
 represents tagging for the renderer. On balance I tend to prefer links
 that know what type of road they belong to. As noted, this is
 indispensable for motorways, because:

I fail to see how you have disagreed, you are twisting logic to suit
yourself, on one hand it's ok to arbitrarily tag various highway=*
tags, but on the other hand it's not ok to arbitrarily tag
highway=*_link...

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Re: [OSM-talk] Changed highway=*_link meaning?!

2010-07-03 Thread John Smith
On 3 July 2010 21:30, David Murn da...@incanberra.com.au wrote:
 I think any road can have a link road (trunk, primary, etc), especially
 any grade-separated crossings, which dont necessarily have to be
 motorway.  For large intersections with separate slip-lanes, I often
 mark the slip lanes as *_link, which also allows you to tag pedestrian
 crossings across the link.

You can do all that without needing to tag it as a *_link though, and
at this stage I doubt *_link's get treated any differently, although
they could be implied to mean lanes=1, oneway=yes kind of thing, but
at present don't...

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Re: [OSM-talk] [Candidacy] AGM Foundation 2010 - Girona

2010-07-03 Thread John Smith
On 3 July 2010 22:40, Oliver (skobbler) osm.oliver.ku...@gmx.de wrote:
 If it is for the sake of compliance with licenses of data donors then there
 will always be cases that fit with one license type and don't fit with with
 other license types. It might also be that the majority of data donors
 prefer a more restricted license. If this is the main point it would be
 interesting to see any hard facts that a cc-by license would lead to more
 data donations.

I'm not aware of any entities that would share more data if OSM used a
cc-by compatible license, in fact I've been told some governments
agencies are unhappy that they have to share at all, but they
definitely would not be happen with anything less than an attribution
style license.

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Re: [OSM-talk] Changed highway=*_link meaning?!

2010-07-03 Thread John Smith
On 3 July 2010 23:09, Dermot McNally derm...@gmail.com wrote:
 It's not OK to arbitrarily tag highways. But different parts of the
 world have established different norms according to which they do so.

By norms you mean making arbitrarily decisions on highways, rather
than any kind of objective criteria... So this is ok under certain
circumstances...

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Re: [OSM-talk] [Candidacy] AGM Foundation 2010 - Girona

2010-07-03 Thread John Smith
On 3 July 2010 23:16, Frederik Ramm frede...@remote.org wrote:
 4. It is my personal opinion that advocates of share-alike licenses are
 driven less by the desire to create something great, but more by the desire
 to ringfence, protect, defend what they think is their property against
 imaginary powers of evil. I am opposed to the idea of property in this
 context. Anyone who goes outside, sees a lamp post, writes down that he has
 seen a lamp post, and then goes on to derive intellectual property rights
 from this action should go away and join the RIAA. But that is my personal
 opinion and we have many ardent share-alike supporters in OSM whose work and
 dedication have done a lot to further OSM's success and I, grudgingly,
 respect their predilection.

What you quoted had nothing to do with share-a-like, but was
specifically about attribution...

As I pointed out in a previous email, the issue of license for most
contributors is a moral one and doesn't directly effect contributors
one way or another, as long as it fits their sense of morals.

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Re: [OSM-talk] [Candidacy] AGM Foundation 2010 - Girona

2010-07-03 Thread John Smith
On 3 July 2010 23:16, Frederik Ramm frede...@remote.org wrote:
 2. Imports and government cooperation are not crucial to OSM's success.

What would make OSM successful in your eyes?

I thought one of the goals was to have OSM used more widely? If so
government users should be given the same consideration as any other
group of potential users regardless if they give data to OSM or not,
for them to be able to utilise OSM the license has to be acceptable
for them to use it just like any other entity.

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Re: [OSM-talk] [Candidacy] AGM Foundation 2010 - Girona

2010-07-03 Thread John Smith
On 3 July 2010 23:27, Frederik Ramm frede...@remote.org wrote:
 But the underlying idea of property is required for attribution as well; you
 cannot force people to provide attribution without first claiming that the
 data is yours and yours alone and only by following your license will people
 be allowed to use it.

That's a very dim view of things imho, what about giving credit simply
to acknowledge the work of others, rather than ripping off the efforts
of others and claiming it as your own. While the license might spell
it out in legal terms, this is common courtesy, plain and simple in my
view, and if people were generally nicer to each other we wouldn't
have the need for licenses and lawyers and so on in the first place!

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Re: [OSM-talk] Changed highway=*_link meaning?!

2010-07-03 Thread John Smith
On 4 July 2010 01:34, Dermot McNally derm...@gmail.com wrote:
 On 3 July 2010 14:14, John Smith deltafoxtrot...@gmail.com wrote:
 On 3 July 2010 23:09, Dermot McNally derm...@gmail.com wrote:
 It's not OK to arbitrarily tag highways. But different parts of the
 world have established different norms according to which they do so.

 By norms you mean making arbitrarily decisions on highways, rather
 than any kind of objective criteria... So this is ok under certain
 circumstances...

 By norms I mean norms. But feel free to keep telling me what I mean.

Well please describe the objective criteria you use to tag highways then...

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Re: [OSM-talk] Osm.org Routing Demo

2010-07-03 Thread John Smith
On 4 July 2010 01:46, john whelan jwhelan0...@gmail.com wrote:
 Since a fair number of home computers pcs these days have quad cores, 6 or
 more gigs of memory and 64 bit operating systems, perhaps it might make
 sense to come up with a Windows stand alone solution and decentralise the
 server computing requirements.

This isn't just a CPU issue, you also have large chunks of data to
deal with, people also expect instantaneous results so farming it out
isn't likely to help on both accounts.

Does anyone know how well this sort of thing could be dealt with by
something like hadoop/mapreduce?

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Re: [OSM-talk] Changed highway=*_link meaning?!

2010-07-03 Thread John Smith
On 4 July 2010 01:56, Dermot McNally derm...@gmail.com wrote:
 On 3 July 2010 16:54, John Smith deltafoxtrot...@gmail.com wrote:

 All that has happened is the arbitrary decisions have been deferred to
 someone else, in this case some government entity... That doesn't mean
 highways are classified by objective criteria :)

 I think you need to buy a dictionary.

You said it yourself:

 We do have a dilemma for how to fit 3 grades of local road into
 tertiary and unclassified

Meaning you are trying to make an arbitrary decision, because someone
else hasn't made it for you.

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Re: [OSM-talk] Osm.org Routing Demo

2010-07-03 Thread John Smith
On 4 July 2010 02:07, john whelan jwhelan0...@gmail.com wrote:
 I was only thinking of using the local computer resources for the local
 user, not going cloud.

For that specific problem you still have a large chunk of data to
transfer before the local computer resource can do something useful
with it, the bigger the distance between way points the more data that
needs to be transferred.

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Re: [OSM-talk] Osm.org Routing Demo

2010-07-03 Thread John Smith
On 4 July 2010 14:15, John Smith deltafoxtrot...@gmail.com wrote:
 On 4 July 2010 04:21, john whelan jwhelan0...@gmail.com wrote:
 Many users are only interested in the local city and not too worried about
 having the latest version of the map.  People have used three year old
 printed maps quite happily for years and for foot, public transport and
 cycling a cached map on the device works fine most of the time.  Render with
 something like Maperitive and you don't need an Internet connection.  Run it
 on a tablet and you have the ideal tourist map that can show you how to get
 from here to there without having a 3G data plan.

 I'm not saying its perfect for everyone but it may work for some and thus
 lower the demand on the servers.

 There is already plenty of tools for doing offline rendering, the
 point of this was to put rendering on the OSM website...


rendering/routing...

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Re: [OSM-talk] Osm.org Routing Demo

2010-07-03 Thread John Smith
On 4 July 2010 04:21, john whelan jwhelan0...@gmail.com wrote:
 Many users are only interested in the local city and not too worried about
 having the latest version of the map.  People have used three year old
 printed maps quite happily for years and for foot, public transport and
 cycling a cached map on the device works fine most of the time.  Render with
 something like Maperitive and you don't need an Internet connection.  Run it
 on a tablet and you have the ideal tourist map that can show you how to get
 from here to there without having a 3G data plan.

 I'm not saying its perfect for everyone but it may work for some and thus
 lower the demand on the servers.

There is already plenty of tools for doing offline rendering, the
point of this was to put rendering on the OSM website...

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Re: [OSM-talk] [Candidacy] AGM Foundation 2010 - Girona

2010-07-03 Thread John Smith
On 4 July 2010 07:22, Oliver (skobbler) osm.oliver.ku...@gmx.de wrote:

What would make OSM successful in your eyes?

I thought one of the goals was to have OSM used more widely?

 This is the right type of question but you need to create an even more basic
 understanding: I haven't seen a common understanding of the definition of
 OSM's success. Where did you find the goal of a wider use? Wider use by

I didn't find it anywhere, but what's the point in having the best
maps in the world if no one uses them?

Some people in support of ODBL have stated companies are worried
cc-by-sa is too ambiguous and so they won't use OSM data, I'm trying
to find the page it was listed on, but there is quite a few pages
for/against ODBL...

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Re: [OSM-talk] [Candidacy] AGM Foundation 2010 - Girona

2010-07-03 Thread John Smith
On 4 July 2010 14:34, Stefan de Konink ste...@konink.de wrote:
 The point is that *no* major company actually said, 'if you switch to
 ODbL then we will use it', while it is a claim companies don't use OSM
 because of cc-by-sa. I don't see the problem solved, do you?

I doubt I'd make it very public if a license switch was in the
interest of my company ahead of it actually going through, not that it
will be more beneficial to any company I work for either way, simply
because if it doesn't go through I would then be at a disadvantage...

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Re: [OSM-talk] [Candidacy] AGM Foundation 2010 - Girona

2010-07-02 Thread John Smith
On 2 July 2010 18:55, Emilie Laffray emilie.laff...@gmail.com wrote:
 In addition, it is clear that people are almost equally split between SA
 licenses and PD domain, and it would be difficult to achieve any kind of

Actually there is a 3rd option, some people prefer cc-by...

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Re: [OSM-talk] Rendering street names across several ways

2010-07-02 Thread John Smith
On 2 July 2010 21:18, Andy Allan gravityst...@gmail.com wrote:
 Oh, totally. And there are even people using osm2pgsql for processing
 non-OpenStreetMap data, so one of my projects is to try to remove all
 the hardcoded tags (from z-order calculations through to the type
 tag on relation handling or the area tag on ways) and put them into
 configuration files.

How hard would it be to calculate the admin_level of a way from the
relation information during import?

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[talk-au] Local entity... again...

2010-07-02 Thread John Smith
These aren't official definitions and this isn't meant to be any kind
of tax advice so always consult an accountant etc etc etc..

To clarify a few terms first, 'Tax Deductibility Status' (TDS) means
any monetary donations enable the person or business donating to claim
this on their personal of business tax returns. 'Tax Concessions' (TC)
means if you incur a tangible cost, such as petrol, for the purposes
of enabling a non-profit entity to further it's goals.

Someone brought up an interesting point the other day I'd completely
forgotten about, even without TDS there is a chance we would still be
eligible for TC when donating time to OSM related activities. While I
highly doubt you'd be able to claim your time spent on this activity
you might be able to claim direct costs like petrol and depending on
the primary purpose things like GPS devices, although it would
definitely be a stretch trying to claim things like computers.

Also it seems like a good to register an organisation now that the new
tax year has just clocked over, can people please read over the
proposed association rules, as they'll be submitted some time next
week for incorporation, I have access to an accountant in NSW to use
for this, so if no one has any objections I'll get it processed in
NSW.

https://docs.google.com/Doc?docid=0AZf0jIYShBc0ZGNicXR6OXZfMGdoOGsycGZihl=en

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Re: [talk-au] Local entity... again...

2010-07-02 Thread John Smith
Forgot to include this PDF I was sent:

http://map-data.bigtincan.com/data/Water_Taxation_Win.pdf

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[talk-au] LCA 2011 Call for papers is closing soon...

2010-07-02 Thread John Smith
If anyone wanted to do a paper at LCA2011 you'd better get in quick...

http://kangawallafox.com/2010/07/02/lca2011-call-for-papers-approaches/

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Re: [OSM-talk] Rendering street names across several ways

2010-07-01 Thread John Smith
On 1 July 2010 16:17, Roy Wallace waldo000...@gmail.com wrote:
 Rather, you want multiple ways to share a name. This does sound like a
 job for the renderer to me.

Or you can help things out by putting the name into a relation and
adding the segments of way as members...

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Re: [OSM-talk] Rendering street names across several ways

2010-07-01 Thread John Smith
On 1 July 2010 17:59, Igor Brejc igor.br...@gmail.com wrote:
 This results in even more complicated situation and even more work to
 maintain such data. And even if do you follow this practice, there will
 still be huge amounts of legacy data which do not.
 I think if two streets share the same name and are adjacent to each other,
 it is reasonable for renderers to assume it's the same street.

Depending on the number of segments it would still make more sense to
put this information into a relation, since you are reducing the
amount of redundant data.

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Re: [OSM-talk] Rendering street names across several ways

2010-07-01 Thread John Smith
On 1 July 2010 19:16, Richard Mann
richard.mann.westoxf...@googlemail.com wrote:
 I've got situations where a side road name continues across a main
 road, and it looks distinctly odd (must happen all the time in grid

You also get the situation where roads are broken by dual carriage way
or other natural features like waterways where the name continues but
the road doesn't cross the barrier.

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Re: [OSM-talk] Web service with OSM contributor names + copyright

2010-07-01 Thread John Smith
On 1 July 2010 20:05, Jaak Laineste (Nutiteq) j...@nutiteq.com wrote:
 contribution comes out, but in other regions you don't and we could
 increase number of mappers with some soft compensations which cost
 nothing and show appreciation to their effort.

It could also lead people to do mass changes, with no real differences
just to get their name on all maps everywhere...

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Re: [OSM-talk] Web service with OSM contributor names + copyright

2010-07-01 Thread John Smith
On 1 July 2010 21:11, Jaak Laineste j...@nutiteq.com wrote:
  Of course, this is the obvious risk here. There are probably foursquare
 users who are just adding fake venues just to get 1000 points per week etc.
 But we have simple solution for that: blocking. First user, then IP. Just
 like any other vandalism. If the incetive is not really too strong, then I
 doubt it will ever need more handling.

This sort of vandalism will be much harder to detect. It's obvious to
see intensional damage, but take for examples some of the mass updates
people do, eg remove tiger tags, this was valid.

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Re: [OSM-talk] correcting/helping inexperienced mappers

2010-07-01 Thread John Smith
On 2 July 2010 14:07, Robin Paulson robin.paul...@gmail.com wrote:
 up till now, i've corrected mistakes as i've seen them, but he does so
 much it's become a hell of a job, and feels like pointless duplication
 of effort

That's not helping him, generally if I spot mistakes I send a short
email pointing out the mistake and ask if they need help fixing them,
rather than just fixing them, they may figure out their own mistakes
in time but there will be a lot of mistakes before that happens in the
mean time.

 i guess this is more of a training/diplomacy issue than mapping per
 se, but i was never great at either of those

I'd suggest it's more of a mentoring thing than anything more formal,
rather than anything more official, just ask if they're aware of the
mistakes, just be polite and a little tactful about it.

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Re: [OSM-talk] talk Digest, Vol 70, Issue 76

2010-06-29 Thread John Smith
On 29 June 2010 16:55, Mike Harris mik...@googlemail.com wrote:
 However, I would not use 'unclassified' for the above reason nor
 'residential' if there were no houses and it was rural rather than  urban. I
 would normally go for track - but add sufficient further tags (tracktype=
 and/or surface=) to make the physical condition clearer. This also helps
 with the rendering - although we don't map fr the renderer do we ;-) ;-)

I did make a proposal last year to try and clarify the key/value, but
most people seem to think unclassified is good enough:

http://wiki.openstreetmap.org/wiki/Proposed_features/highway:rural

In any case, this would be one of those regional differences you
pointed out, I wouldn't consider them to be tracks, as tracks are
something that exist in national parks, where as this example was a
through fare between rural roads, even if there are no houses, the
through fare bit is the important bit.

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Re: [OSM-talk] Parks, Recreation Grounds, Sports Centers, and Pitches

2010-06-29 Thread John Smith
On 30 June 2010 08:30, Dylan Semler dylan.sem...@gmail.com wrote:
 I'm really not sure where recreation ground fits in and how it differs from
 a park.  As mentioned in the discussion on the recreation ground wiki
 page[1], the fact that it is under landuse= whereas park and pitch are under
 leisure= furthers my confusion.  Perhaps recreation grounds should be
 contained within a park, outlining the parts where sports and other physical
 activities can be performed?

The definition has recently changed to mean something different than
intend especially since it was voted on.

I can't speak for other countries, but they are common in rural areas
in Australia, although in the page history it mentions being common in
British countries. In Australia they are often used for horse sports,
now the definition sounds like just another park.

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Re: [talk-au] Queensland parks, forests and conservation areas

2010-06-29 Thread John Smith
On 29 June 2010 23:18, Markus marku...@bigpond.com wrote:
 I am not sure if it is an approved tag. Although I quite like the idea of
 it.

If it serves a useful purpose and it doesn't duplicate the
functionality of another tag already well used, then just use it,
tags don't need to be official, although a little common sense can
be a good thing :)

Several trivial tags put to a vote of late drew out an anti-voting
movement, where the response was to just use it.

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Re: [talk-au] Queensland parks, forests and conservation areas

2010-06-29 Thread John Smith
On 30 June 2010 11:55, Stephen Hope slh...@gmail.com wrote:
 Are you actually going to put the fact that it is a State forest
 anywhere?  Sure, landuse=forest is not a problem, but some sort of tag
 stating that it is a state forest (as opposed to private land) sounds
 appropriate.

Most state forests, are called such and such state forest...

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Re: [OSM-talk] rural highway tagging: residential or track

2010-06-28 Thread John Smith
You should have sent this to the tagging list...

On 28 June 2010 21:08, Stan Berka stan.be...@gmail.com wrote:
 I have frequently a tagging dilemma. See this example: Coburn Rd on this
 location: http://osm.org/go/z...@yoeg-- (N of US 2). It was tagged as
 residential, but I've been there two days ago and it's a decent compacted
 gravel road, almost 2-car wide primarily for agricultural use, although it
 does connect farms, and probably can be even be used as through-road (to get
 from one highway to another). Category residential seemed to me to be
 primarily for urban setting. So, the best I thought for this one would be
 track. But this is rendered almost like a path (the dashed line). What are
 your thoughts?

In australia we tag these as highway=unclassified

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

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Re: [OSM-talk] rural highway tagging: residential or track

2010-06-28 Thread John Smith
On 28 June 2010 21:27, Maarten Deen md...@xs4all.nl wrote:
 Unclassified with paved=no or surface=gravel?

 I was recently exploring Siberia (behind my computer!) and saw some
 primary roads where it was obvious from a website (by that mapper) that
 these were sand and dirt roads.
 So I wouldn't let the surface decide what classification road it is.

 I would reserve track for single-lane roads/tracks.

Just like surface, lanes don't describe the type of road. Per the wiki
unclassified roads can be such that both cars need to pull onto the
shoulder of the road so they can pass each other...

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Re: [OSM-talk] rural highway tagging: residential or track

2010-06-28 Thread John Smith
On 28 June 2010 22:12, Greg Troxel g...@ir.bbn.com wrote:
 track is more towards you better have 4WD and you ought to have a
 reason to be using this although these aren't hard rules.

You can use normal cars on what I'd consider tracks, but they are
usually a lot less maintained and are in national parks and such,
rather than for connecting farms etc...

 * meaning: does the government consider this a road, or a place you can
  drive off road.  The presence of any of speed limit signs,
  maintenance by county highway dept, government snow plowing would mean
  the government thinks it is a road.

In places that don't get snow they may use a grader to level the road
every so often to take out the corrugates...

http://en.wikipedia.org/wiki/Grader
http://www.expedition360.com/australia_lessons_science/2001/07/corrugated_roads.html

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[OSM-talk] Centre for Spatial Law and Policy Launched

2010-06-28 Thread John Smith
The Centre for Spatial Law and Policy has launched. From the entry:
The Centre for Spatial Law and Policy, a non-profit organization
focusing on the legal and policy issues associated with the
collection, use and distribution of spatial and location data, opened
its doors in Richmond, VA today. [...] The Centre plays a critical
role in the development and implementation of policies and laws that
result in a consistent and transparent legal and policy framework on
these important issues. [...] Founding members include: Google,
DigitalGlobe, DMTI Spatial Inc., GeoEye, ESRI, Lockheed Martin, Rolta
International. and PCI Geomatics.

http://apb.directionsmag.com/archives/8209-Centre-for-Spatial-Law-and-Policy-Launched.html

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Re: [OSM-talk] wiki down ?

2010-06-28 Thread John Smith
On 29 June 2010 14:33, colliar colliar4e...@aol.com wrote:
 I can not get onto any wiki page.
 Any problems ?

From what I've been able to gather it's been down for an hour or so.

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Re: [OSM-talk] Tsunami warning siren?

2010-06-27 Thread John Smith
On 28 June 2010 01:38, Johnny Rose Carlsen o...@wenix.dk wrote:
 Hi Alan,

 It's a siren, they are pretty common in Denmark.

 In Denmark they are used as part of a general warning system, I don't
 know the use of the sirens in your area.

Similar things exist in various places for tornado warnings in the US...

http://www.ci.sand-springs.ok.us/news-entry.php?cat=1063id=1086

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Re: [OSM-talk] Tsunami warning siren?

2010-06-27 Thread John Smith
I just found a site that lists the location of their tornado warning sirens...

http://www.springfield.il.us/Safety/Fire_Dept/Sirens.htm

Their larger map doesn't look very nice, maybe someone could do up a
better OSM based image to offer to them :)

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Re: [OSM-talk] Tsunami warning siren?

2010-06-27 Thread John Smith
On 28 June 2010 14:32, Toby Murray toby.mur...@gmail.com wrote:
 There was some discussion about them on the talk-us mailing list back in May:
 http://lists.openstreetmap.org/pipermail/talk-us/2010-May/003230.html

I noticed during that discussion there was talk about homeland
security and some FUD about people collecting this information so they
could 'hack' the sirens.

I'm guessing most sirens are fairly visible, otherwise they wouldn't
be very effective at alerting people when there was a need to use
them, which basically means anyone with nefarious purposes won't need
a map to find them.

Not to mention the link I posted before where that city/county
publishes their own map on the web, how sensitive can these locations
really be.

Unless we're talking security through obscurity, which isn't security at all.

This was a very good article on why anything that is public knowledge
shouldn't be excluded from being on maps:

http://www.ogleearth.com/2010/06/on_the_virtues.html

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Re: [talk-au] Sydney Wiki page actively discourages mapping pubs

2010-06-27 Thread John Smith
On 27 June 2010 17:51, Tom Brennan webs...@ozultimate.com wrote:
 Fair enough.  However, I think it's out of date enough that you could just
 make the changes anyway. It will probably spur some Sydneysiders to then
 tidy it up.

This thread prompted at least one person to update their info a little :)

I've also removed the section that prompted this thread to see if
anyone will be upset at all.

 It's the Cloudmade layer. Even with a cache refresh it's still months out of

You have to force the tiles to be redrawn by viewing the tile and
putting /dirty on the end, otherwise you see the cached tiles.

 date in the area I'm interested in. I had to Google BTC to find out what it
 was, but its NoName layer is much more up to date.

Sorry, I thought the URL was common knowledge :)

http://maps.bigtincan.com/?z=11ll=-33.866,151.028layer=BFTFFF

There is a couple of big red blobs around Blacktown and Penrith...

Also no one replied to my post about stopping things from showing up
on the noname layer, so I just pushed the current thoughts to the
Aussie tagging guidelines page:

http://wiki.openstreetmap.org/wiki/Australian_Tagging_Guidelines#How_can_I_tag_streets_with_missing_signs.2Fno_names.3F

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Re: [talk-au] Sydney Wiki page actively discourages mapping pubs

2010-06-27 Thread John Smith
On 28 June 2010 08:16, Tom Brennan webs...@ozultimate.com wrote:
 Like this ?
 http://www.openstreetmap.org/?lat=-33.7127lon=150.4666zoom=15layers=000BFTF/dirty
 I filled in all the streets in this area back in April.

As David wrote, you need to view the individual tiles and add dirty to the end:

eg if the image is

http://c.tile.cloudmade.com/fd093e52f0965d46bb1c6c6281022199/3/256/15/30078/19646.png

You do this:

http://c.tile.cloudmade.com/fd093e52f0965d46bb1c6c6281022199/3/256/15/30078/19646.png/dirty

but that's a complete pain in the butt to do, especially if you have
to force a lot of tiles to be re-drawn

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Re: [talk-au] Queensland parks, forests and conservation areas

2010-06-27 Thread John Smith
On 28 June 2010 10:24, James Livingston li...@sunsetutopia.com wrote:
 Current practice seems to be tagging them all as boundary=national_park,
 regardless of whether they're National Parks or other things like State
 Forests. Would adding national_park=state_forest and similar to the tags be
 a good idea?

State forests aren't the same thing as national parks, state forests
are government operated logging areas...

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Re: [talk-au] Sydney Wiki page actively discourages mapping pubs

2010-06-26 Thread John Smith
On 27 June 2010 00:08, Tom Brennan webs...@ozultimate.com wrote:
 With the high res Nearmap imagery, the places to go are between Penrith and
 Blacktown. At least half of those suburbs still need their residential
 streets named. Perhaps we should use it to suggest places for people to go
 if they're interested in contributing?

Since I'm not in Sydney I was hessitent to make changes, at least
without announcing ahead of time.

 Speaking of which, the NoName layer appears way out of date. There are
 streets I named a couple of months ago that still haven't made it off that
 layer. Is it still being regenerated?

Is this the BTC noname layer or the Cloudmade noname layer?

Cloudmade seem to cache very heavily and while they seem to have more
up to date data, you have to force a refresh to see it.

BTC tiles should be up to date, the should be expiring based on the
minutely changesets now, but browsers may be caching the tiles.

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Re: [OSM-talk] Changed highway=*_link meaning?!

2010-06-25 Thread John Smith
On 25 June 2010 16:10, Ed Avis e...@waniasset.com wrote:
 I think you misunderstand my proposal.  I agree that is_in is redundant and
 should not be added to the map.  As you say, it can be derived from admin
 boundaries.  However, not every programmer might want to have to download all
 the admin boundaries and work out what is in what.  Conceivably, it might help
 some applications if there were an option for the server to automatically add
 is_in tags, generated from admin boundaries, when some map XML is downloaded.
 That way the code to work it out only has to be written once.

You are talking about pre-processing, that is taking the data and
manipulating it and then doing something in another app with it, and
this isn't something that has to be done with OSM directly, or even at
all.

 A road could appear as a dead end because of bad mapping - but then anything 
 else
 on the map could also be bad mapping rather than reality.  Anyway it's just an
 example.

I doubt you can make an assumption of a dead end, it might be a
mapping mistake, or a way that hasn't been surveyed completely.

 True, but if a way is tagged highway=steps or slope=yes, it's a pretty safe 
 bet
 that going from layer 0 to 1 is uphill, and 1 to 0 is downhill.  Even though 
 in
 theory there is nothing to guarantee that.  (And if elevation is tagged, 
 uphill
 and downhill markers can be deduced for certain.)

Most layer tags apply to bridges, not to steps because they don't go
over the top of anything else.

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Re: [OSM-talk] OSM Postgres table sizes

2010-06-25 Thread John Smith
On 25 June 2010 20:23, Chris Jones roller...@sucs.org wrote:
 Any overhead is typically a percentage of the stored data for indexes
 and such, you cant just magically get rid of it!

I was under the impression that it was incremental data from minutely updates...

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[OSM-talk] Russia becoming more open with mapping?

2010-06-25 Thread John Smith
Mapping and cadastral information for Russia have not previously been
openly and freely available. These products were edited, cen­sored
often and in many cases the work was simply not completed, thus the
framework for building a modern digital cadastre system did not exist.
Times change and the situation changes, and it is rapidly changing for
the better.

http://www.vector1media.com/vectorone/?p=5802

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Re: [OSM-talk] Licence of Soviet military topographic maps

2010-06-24 Thread John Smith
On 24 June 2010 23:00, jamesmikedup...@googlemail.com
jamesmikedup...@googlemail.com wrote:
 Can I see some documentation on this theft?
 Why dont you start with some dcma takedown notices for the people selling
 them, and see what happens?

You do realise DCMA is only for sites hosted in the US right?

You seem to have bias here maybe because you, or someone you knew, has
spent money obtaining them, in any case copyright is usually the
default, not public domain and unless you know otherwise you should
always assume the worst.

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Re: [OSM-talk] Changed highway=*_link meaning?!

2010-06-24 Thread John Smith
On 25 June 2010 00:22, David Paleino da...@debian.org wrote:
 And I still haven't read why you think this is better, apart from rendering
 issues.

 As Andy said, the burden of demonstrating the goodness of a change is up to 
 who
 wants to make that change.

I've been following this thread and I've seen the back and forth, but
the argument for/against routing seems pointless because *_link roads
aren't usually very long so I can't see how it would effect anything.

Same goes for rendering, regardless who wins this debate the other
side will just end up tagging how they think things should be
rendered.

I can see a point for motorway_links, these are a specific sort of
road, but the same thing does hold true for other roads, unless they
were simply meant to imply oneway=yes, lanes=1 kind of thing, but I
doubt they're currently rendered in that way.

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Re: [OSM-talk] OSM Postgres table sizes (was: Failed to download 9.5 GB planet)

2010-06-24 Thread John Smith
On 25 June 2010 00:28, Richard Weait rich...@weait.com wrote:
 overall disk use ~ 130 GB and growing about 2.5 GB/week at the moment.

Is there a way to reduce this overhead without re-importing?

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Re: [OSM-talk] Changed highway=*_link meaning?!

2010-06-24 Thread John Smith
On 25 June 2010 02:59, Ed Avis e...@waniasset.com wrote:
 download a section of map.  As well as taking care of the different kinds of
 link road, these could also provide 'is_in', 'leading_to' and 'dead_end' for

dead_end can't be guessed at, it could be bad mapping, is_in is
redundant, you can use admin boundaries to derive this.

 streets, and uphill/downhill for slopes (based on the layer of the endpoints).

Layer has nothing to do with elevation, it only indicates which road
goes over the other road there may not be any slope involved.

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Re: [OSM-talk] OSM Postgres table sizes (was: Failed to download 9.5 GB planet)

2010-06-24 Thread John Smith
On 25 June 2010 04:37, Richard Weait rich...@weait.com wrote:
 I'm not sure I understand your question.

Over time, the overhead increases, not just the amount of data.

 You can import a bounding box or extract and have smaller tables.

 You can import without --slim, if you have the hardware for it, and

I didn't mean without the slim option.

 lose some large tables.  But then you lose the ability to update
 unless you do a re-import.

That's my question, how to eliminate overhead in the database without
re-importing.

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Re: [OSM-talk] Changed highway=*_link meaning?!

2010-06-23 Thread John Smith
On 23 June 2010 21:29, Tom Hughes t...@compton.nu wrote:
 I'm not going to start an edit-war, I'd prefer someone with the proper rights
 to revert that edit. Then we can start discussing the matter, and file bugs
 where needed.

 What are these proper rights to which you refer? The page isn't locked
 so any wiki user has the right to change it.

Perhaps he meant the person that changed it in the first place...

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Re: [OSM-talk] Tagging for street danger levels

2010-06-23 Thread John Smith
On 24 June 2010 00:13, Andy Allan gravityst...@gmail.com wrote:
 Without attempting to express much of an interest in tagging
 discussions, it would be great if you were to use the word sidewalk
 to describe the paths-along-the-edge-of-roads. The word footway might

footpath=* :)

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Re: [talk-au] Hikers on this list?

2010-06-23 Thread John Smith
On 23 June 2010 19:39, Tom Brennan webs...@ozultimate.com wrote:
 The best work on the SRTM data is probably by Sean Williams (Dooghan) on
 gpsaustralia.net. He has created Garmin IMG files with 5m contours,
 though with 90m data, 5m is pretty optimistic. Looks nice though.
 http://www.lizarddrinking.net/index.htm

There is a small shell script on the OSM wiki, combined with a few GIS
tools can be used to import data at various contour intervals into
pgsql. There is other tools which I'm still to play with that can
provide hill shading relief.

So far I imported 10m intervals + a single 2m contour that seems like
it might be useful to map currently unmapped islands, I still need to
add this as a slippymap custom tile URL in JOSM and play with it
further...

 GA data does have a ? over the licensing. The GA site is licensed using

GA also has a 1 second set of SRTM data that has been adjusted to fix
it for vegetation problems, but it's listed as government use only.

 I thought I noticed a while back that Nearmap was planning on doing some
 stuff in the DEM space, so maybe they'll have something down the track?

If and when they do, it'll still only be a relatively small area of
under 2% the surface area of Australia.

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Re: [talk-au] Qld State Controlled Roads data

2010-06-23 Thread John Smith
I've just updated the wiki and the data file on the server to include
operator=mainroads.qld.gov.au this way we can track the number km of
roads that are state or local for statistical purposes.

I also updated the wiki and the data file yesterday after getting
advice on proper attribution.

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Re: [OSM-talk] Removing ways in Potlatch

2010-06-21 Thread John Smith
On 21 June 2010 16:11, Toby Murray toby.mur...@gmail.com wrote:
 If historical data is really desired then it seems like there need to
 be some features added to support it. By default historical data
 should obviously not be rendered but it also shouldn't even show up in

By default things should stay as the status quo, how this is
implemented will be the hard thing. With the filtering code that now
exists in JOSM this could be done by editors, but it only takes one
editor that does filter to have a lot of hard work suddenly be
deleted, so realistically this needs server side changes.

Rendering on the other hand will be more tricky, although for most
people this will most likely only need osm2pgsql tweaking to filter
out historical data by default.

 editors unless you explicitly specify it via some option. Otherwise
 new mappers are going to be like I surveyed this area and there is no
 road there! and hit delete without giving it another thought. Heck,
 I've done that. There were two hospitals being rendered in my city
 that no longer exist. One is a frat house and the other is an
 apartment building. I deleted them because having a hospital icon show
 up in a map where there is no hospital is most definitely a BAD thing.

Erm deleted or altered the tags? If they still exist, but have other
uses they shouldn't have been deleted...

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Re: [OSM-talk] Removing ways in Potlatch

2010-06-21 Thread John Smith
On 21 June 2010 21:03, Chris Hill o...@raggedred.net wrote:
 And exactly how do you propose that we get accurate coordinates for the
 positions of streets in 1665 other using a modern surveyed overlay? I
 don't think Samuel Pepys supplemented his diary with GPS derived WGS84
 coordinates. :-)

Doesn't most countries have their own datum that is fixed to the
tectonic plate and they keep track of this in relation with WGS84?

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Re: [OSM-talk] Finding relation members in osm2pgsql PostGIS database?

2010-06-21 Thread John Smith
On 22 June 2010 01:15, Phil! Gold phi...@pobox.com wrote:
 I've got a PostGIS database created and maintained with osm2pgsql.  For
 some of the Mapnik rendering I'm doing, I'd like to see whether ways
 belong to relations.  (Specifically, whether a highway=* way is a member
 of a route=road relation.)  I've been able to look in the planet_osm_rels
 table for relation membership, but the members are stored in an array, and
 searching those arrays for membership, even on a bbox-restricted subset,
 is really slow.  Is there any way to do this faster?  If not, I suppose I
 can file a feature request against osm2pgsql for an indexed relation
 membership table.

osm2pgsql probably isn't the best tool for the job, relations get
stored as geometries in the database, rather than meta information
cross referencing the ways. What you are after is a database structure
similar/the same as the main OSM DB to be able to do this kind of
interrogation rather than trying to interrogated pre-processed
information which has lost some/a lot of non-desirable attributes to
make rendering faster.

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Re: [talk-au] Rivers and streams

2010-06-21 Thread John Smith
On 21 June 2010 17:59, Markus marku...@bigpond.com wrote:
 It does look like the data is from about 10 to 15 years ago.

 Could I use this data instead.

 https://www.ga.gov.au/products/servlet/controller?event=GEOCAT_DETAILScatno=64459

I couldn't see where to download it, the files some times come with
licenses that differ from cc-by

Also the area covered is quite small...

N Lat :-27.0W Long :139.5
S Lat :-28.0E Long :141.0

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Re: [talk-au] Australian Coastline

2010-06-21 Thread John Smith
On 21 June 2010 22:12, Leon Kernan lker...@gmail.com wrote:
 There seems to be an unintended side effect to this statement:
 The maritime borders are 12nm out to sea from the coastline.

That is the general case, but in Qld I think it's 12nm from the edge
of the barrier reef...

 Bass Strait seems to have been given over to international waters according
 to that statement.

Are you thinking about maritime borders or the Exclusive Economic Zone
(EEZ) which is 200nm from the coastline...

 There are some weird lines around Vic / Tas and the Bass Strait islands at
 the moment on zoom level 7 which i assume are linked to this converstation.

If you know where they are, feel free to fix them...

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Re: [talk-au] Rivers and streams

2010-06-21 Thread John Smith
On 21 June 2010 19:43, Markus marku...@bigpond.com wrote:
 The data is part of the GIG Dataset - 250K scale

 Follow this link and choose Topography with Innamincka as an example for the
 keyword and press show me results.

I can't comment about all datasets, but I downloaded that particular
dataset in shape format and there was only shape files so it seems you
are allowed to use it if you take the notice on their website into
account:

Unless otherwise noted, all Geoscience Australia material on this
website is licensed under the Creative Commons Attribution 2.5
Australia Licence.

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Re: [talk-au] Rivers and streams

2010-06-21 Thread John Smith
On 22 June 2010 05:27, John Smith deltafoxtrot...@gmail.com wrote:
 Unless otherwise noted, all Geoscience Australia material on this
 website is licensed under the Creative Commons Attribution 2.5
 Australia Licence.

You will need to tag at least all ways with:

source=Geoscience Australia
attribution=Based on Geoscience Australia data

I'd also add the main URL of the product (source:url=*), but this
isn't mandatory.

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[talk-au] Qld State Controlled Roads data

2010-06-21 Thread John Smith
Recently David Dean asked for some data and he was given access to it
with a favourable license (cc-by).

This dataset only covers Qld Govt funded roads, this doesn't include
local government roads.

While there was additional information attached to the data, it was
mostly internal references so this was removed, I also simplified all
the ways as there was an excessive number of points, it appeared that
raw GPS data had been used in some/many places without any kind of
simplification applied.

I don't know if it was due to the conversion processing or not, but
many of the roads don't interconnect properly.

Most roads are in segments as various different tags were applied to
the sections, think like last survey dates.

With that all said, the name/vector data seems very useful for both
ways not already in OSM and for fixing up Landsat derived data, the
vector data probably isn't that useful for places where Nearmap have
coverage.

For those interested in this data in OSM format, you can download it from here:

http://map-data.bigtincan.com/data/sc_roads_qld.osm.bz2

It's approx 1.5M and if you enable the slippymap plugin with mapnik
background image you can use it to see which roads are missing and
which just need a few tweaks here and there.

I've posted a brief page here about permission:

http://wiki.openstreetmap.org/wiki/Australia/Queensland/Department_of_Transport_and_Main_Roads

And another here about the data itself:

http://wiki.openstreetmap.org/wiki/Australia/Queensland/Department_of_Transport_and_Main_Roads/Import

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Re: [OSM-talk] Removing ways in Potlatch

2010-06-20 Thread John Smith
On 20 June 2010 17:07, Steve Bennett stevag...@gmail.com wrote:
 On Fri, Jun 18, 2010 at 9:10 AM, Alex S. m...@swavely.com wrote:
 Some would like to see it kept and marked historical, but deleting ways

 Oh? Could you elaborate?

Some people would like to be able to map the 4th dimension (time)...
So that historical maps could be shown, but the API would have to be
updated to be able to do this by specifying start/end dates and by
default only return data that is still deemed current...

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Re: [OSM-talk] Tagging for street danger levels

2010-06-20 Thread John Smith
On 20 June 2010 21:19, Ed Avis e...@waniasset.com wrote:
 It might be better to tag all the roads which are known to be good and safe
 for cyclists to use.  Perhaps cycle=recommended might be a good tag.

Black and white rarely exist in the real world, you'd need some kind
of scale so routing software can choose better paths than others...

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Re: [talk-au] Proposal to update weather monitoring_stations using BoM data.

2010-06-20 Thread John Smith
On 20 June 2010 14:11, {Tim} m526244+osm...@gmail.com wrote:
 On 06/20/2010 11:40 AM, John Smith wrote:
 If you've made the changes you were going to make, then go for it,
 anyone that was going to comment would have by now.

 Your timing uncanny. I just finished typing wiki entry:

 http://wiki.openstreetmap.org/wiki/Australian_Bureau_Of_Meteorology/Import


I wouldn't have bothered waiting till Monday, unless of course you
don't have time to do it till then that is...

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Re: [talk-au] Australian Timezones

2010-06-20 Thread John Smith
On 20 June 2010 16:59, rran...@ihug.com.au rran...@ihug.com.au wrote:
 The TZ  files installed are compiled. I looked at the Australian source file
 in the tzdata source. I have attached this file. It  is not primary source,
 but I have found it to be accurate.

Thanks for that...

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Re: [talk-au] Rivers and streams

2010-06-20 Thread John Smith
On 20 June 2010 21:05, Markus marku...@bigpond.com wrote:
 I am interested in adding some of the lakes and creeks in the national parks
 to OSM.

 Just to confirm this source to be ok to use.

The data doesn't belong to ga.gov.au, they link to psu.edu and on that
page it says the data is quite out of date, did you look at the
rivers/streams data from data.australia.gov.au?

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Re: [talk-au] Rivers and streams

2010-06-20 Thread John Smith
On 20 June 2010 21:24, John Smith deltafoxtrot...@gmail.com wrote:
 The data doesn't belong to ga.gov.au, they link to psu.edu and on that
 page it says the data is quite out of date, did you look at the
 rivers/streams data from data.australia.gov.au?

The dataset I was thinking about only covers Qld... The good news is
the license is cc-by which means it should still be compatible under
the new OSM license:

http://data.australia.gov.au/119

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Re: [talk-au] Hikers on this list?

2010-06-20 Thread John Smith
Pity it's not going to be available for some time...

Germany's new TanDEM-X radar satellite is scheduled to lift off from
Baikonur Cosmodrome at 04:15 Berlin time on 21 June — that's 10:14 pm
Eastern today (20 June). Flying in close formation with its twin
satellite, TerraSAR-X, TanDEM-X will generate the most consistent and
highest-resolution digital elevation map ever of the Earth — 12m =
40ft. pixel pitch. It will take three years to image all 150 million
square kilometers (58 million square miles), in the process generating
more than 350 TB of raw data. Here's where to go as the time
approaches for live streaming.

http://news.slashdot.org/story/10/06/20/1651227/German-Radar-Satellite-Lifts-Off-Tonight?from=rss

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[talk-au] ABC national radio interview...

2010-06-20 Thread John Smith
David Dean did a follow-up interview on ABC national radio this morning:

http://blogs.abc.net.au/queensland/2010/06/open-street-maps.html

You can listen to the interview online and the interview last year:

http://blogs.abc.net.au/queensland/2009/05/make-your-own-m.html

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Re: [OSM-talk] Tagging for street danger levels

2010-06-19 Thread John Smith
On 20 June 2010 06:17, Anthony o...@inbox.org wrote:
 At the very least some sort of note=* explaining *why* the road is
 considered hazardous would be nice.

There is various organisations that label tracks as various difficulty
levels, maybe there is an organisation that has come up with a hazard
rating system?

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Re: [talk-au] Hikers on this list?

2010-06-19 Thread John Smith
On 19 June 2010 20:04, Craig Feuerherdt craigfeuerhe...@gmail.com wrote:
 The only DEM that I know about is the 9second product from Geoscience
 Australia - http://www.ga.gov.au/meta/ANZCW0703011541.html It does cost $100
 and probably has some stringent use/distribution limitations.
 You want the DEM to produce a hillshade or to derive contours from? If you
 want contours the Geo Data 250k product
 (http://www.ga.gov.au/image_cache/GA8349.pdf) is downloadable. Once again
 not certain on the licencing arrangements.

A little birdy tells me that they think the GA data may suffer similar
problems to the SRTM data, in any case will have to look into the
licensing, it may not be favourable even if the data isn't being
uploaded to OSM.

In the mean time we can play spot the unmapped islands, so far I've
found several, including this one in SA waters.

http://maps.bigtincan.com/?z=12ll=-34.643,134.793layer=0B000FTFF

This island chain near Singapore:

http://maps.bigtincan.com/?z=13ll=3.130,106.104layer=0B000FTFF

And the first one I spotted was in NZ waters:

http://maps.bigtincan.com/?z=12ll=-37.290,176.258layer=0B000FTFF

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Re: [talk-au] ABS data and new license

2010-06-19 Thread John Smith
On 19 June 2010 22:19, Liz ed...@billiau.net wrote:
 no I don't know
 the licence asks for attribution
 but whether the new proposed new system is going to provide appropriate
 attribution?

The new license has a requirement for attribution so I don't think
that's a problem. I think cc-by is ok, but cc-by-sa most likely won't
be ok as the data won't be released under the same license in future.

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[talk-au] Tasmania imagery

2010-06-19 Thread John Smith
Craig pointed to me to this site:

http://www.thelist.tas.gov.au/listmap/listmap.jsp?cookieteststate=checkllx=13.0lly=5116000.0urx=712000.0ury=5662000.0layers=268

Which was in relation to better DEM information, but they also have
half decent aerial imagery for most of the state, however the
copyright license says for non-commercial use only and I have no idea
if you use the imagery personally to derive vector information if that
could then be uploaded to OSM.

I thought I'd point this site out if most people weren't aware of it,
but I'll leave that up to those interested in Tasmania to figure it
out the fine print.

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