Re: [OSM-talk] Potlatch vs Twitter

2009-11-09 Thread Lukasz Stelmach
Richard Fairhurst pisze:
 Hi Lukasz,
 
 How about using Twitter's OAuth feature? 

 I'm hoping to use OAuth with Potlatch 2, 

 There's no OAuth library for ActionScript 1 (in which Potlatch is
 currently written), and you are of course right in that something could
 be rigged up using a proxy on dev.osm.org, but it'd be quite complex and
 really this is just a bit of fun.

I understand, on the other hand, twitting code available to other server
based parts of OSM could be usefull.

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[OSM-talk] mapping hardware, laser rangefinder

2009-10-29 Thread Lukasz Stelmach
Hello.

I like mapping and I like gadgets (that's why I like mapping ;) I am
considering purchase of a laser range finder. I think a cheap one like these

http://www.stanleytools.com/default.asp?TYPE=PRODUCTPARTNUMBER=77-018
http://www.bosch.de/start/content/language2/html/734_6098.htm

would suffice. Have you got any experience with such devices? Is there
any particular feature to care about?

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[OSM-talk] walking-papers hanging?

2009-10-13 Thread Lukasz Stelmach
Greetings.

Is it only my impression or have the walking-pares stopped working over
a week ago?

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[OSM-talk] data for gosmore

2009-08-25 Thread Lukasz Stelmach
Hello.

I am playing with gosmore a bit but it looks like rubbish :-( It draws
only random ways as vertical and horizontal lines and cannot find even
simpliest ~200m routes. I rebuilt gosmore.pak with only a country osm
file, do I have to use the whole planet for it to work?

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Re: [OSM-talk] User umehlig and some really nasty edits

2008-02-18 Thread Lukasz Stelmach

Tom Hughes wrote:

In message [EMAIL PROTECTED]
Martijn van Oosterhout [EMAIL PROTECTED] wrote:


On Feb 10, 2008 10:51 PM, Lukasz Stelmach [EMAIL PROTECTED] wrote:

All right I confess. I have done something like that to the node
300 a while ago. But while you are considering some solutions to
this problem allow me to explain myself. I tried to find out how to
create and upload osm file by hand (i like vi that myuch ;) But
there is no single word written here
http://wiki.openstreetmap.org/index.php/OSM_Protocol_Version_0.5
on how to obtain or create new id. It is described how to create an
object but not how to choose an id for it.

As far as I can tell it says it right here:
http://wiki.openstreetmap.org/index.php/OSM_Protocol_Version_0.5#Basic_Methods_for_Object_Access_and_Manipulation

To create you use PUT and it returns an ID.


Indeed. I think the problem is that he is reading a page that
documents the HTTP API and expecting it to tell him the format
of a JOSM change file.


No, I was reading the page about HTTP API *and* OSM format which reads

   For each of the above-mentioned object types, the API supports
   these CRUD operations (replace objtype by one of node, way,
   relation; ***replace id by the id of the object in
   question***):

And I ask: what is the value of the `id' attribute of the object in 
question when the ID hasn't been assigned yet? Today I know the 
answer but I am afraid anyone who seeks the answer to that question 
will focus on this paragraph trying to figure out where to get a new 
ID from. The DTD saing `id' is required makes this desire even 
stronger while giving no hint at all.


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Re: [OSM-talk] User umehlig and some really nasty edits

2008-02-18 Thread Lukasz Stelmach

Tom Hughes wrote:

In message [EMAIL PROTECTED]
  Lukasz Stelmach [EMAIL PROTECTED] wrote:


Tom Hughes wrote:


Indeed. I think the problem is that he is reading a page that
documents the HTTP API and expecting it to tell him the format
of a JOSM change file.

No, I was reading the page about HTTP API *and* OSM format which reads

For each of the above-mentioned object types, the API supports
these CRUD operations (replace objtype by one of node, way,
relation; ***replace id by the id of the object in
question***):

And I ask: what is the value of the `id' attribute of the object in
question when the ID hasn't been assigned yet? Today I know the
answer but I am afraid anyone who seeks the answer to that question
will focus on this paragraph trying to figure out where to get a new
ID from. The DTD saing `id' is required makes this desire even
stronger while giving no hint at all.


The row of the table that covers creation of new objects (the first
row) does not have an id marker to replace, so the question does
not arise.


But the DTDs on the page require `id'.


You are trying to extend the meaning of that paragraph, which covers
the RESTful URLs to the OSM file format as use by JOSM which is not
something that page describes.


But the JOSM file format is just an extension of the format 
described on the page. When I mentioned sniffing JOSM I meant 
sniffing the transmiton over the wire which uses the format 
described on the page.



All that page describes is the URLs you should call and the XML you
should pass to them and/or expect to get back from them.


Let me repeat onece more:
* the DTDs say IDs are *required*
* no paragraph or a single sentence says what values to put in the 
XML for objects we are creating.


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Re: [OSM-talk] Place of worship: wayside crosses

2008-02-10 Thread Lukasz Stelmach

Christoph Eckert wrote:


There was some discussion about this on the list last month, (in a
thread that started by talking about the Icon tag), and there is now a
proposed tag as wayside_cross (there is also wayside_shrine).

http://wiki.openstreetmap.org/index.php/Proposed_features/wayside_cross


I think

tag k='wayside' v='true'

for place_of_worship of *any* religion would fit best. If such a tag 
is present then the name should not be required. There could also 
be, however I don't think it would be usefull enough to justify yet 
another tag, a 'form' tag which says if it is a cross, shrine 
(chapel), obelisk or anything else.


BTW, I ve just came back from a countryside where I did some 
mapping, compare


http://www.openstreetmap.org/?lat=51.9763lon=20.4518zoom=13layers=B0FT
and
http://www.openstreetmap.org/?lat=51.9763lon=20.4518zoom=13layers=0BFT

and there is a lot of these, un-mapped yet but, nothing's lost ;)

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[OSM-talk] unpaved residential

2008-02-10 Thread Lukasz Stelmach

Greetings All.

I've just mapped a little bit at the coutrysied where most roads are 
unpaved. I find current description at the Map_Features wiki page 
quite confusing.


1. why there is (i'll answer it in a moment) unsurfaced highway 
while in practice every highway can have surface=unpaved?
2. unsurfaced is rendered differently (this is the answer) than e.g. 
unpaved residential. why?

3. does tracktype apply to tracks only or any highway?

For examples look here:

http://www.openstreetmap.org/?lat=51.97142lon=20.45089zoom=15layers=0BFT

Ogrodowa street was unsurfaced up until today when I learnt that 
it has a name. I decided to add its name and change its type to 
residential because if a street has a name then it means a little 
bit more and is governed by a local authority somehow better then 
unclassified roads.


I haven't seen mapnik output yet, just osmarender.
--
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[OSM-talk] admin_level and zoom correlation

2008-02-10 Thread Lukasz Stelmach

Greegings All.

I propose to introdyce some correlation between admin_level tag on 
boundaries and zoom level.


Take for example
http://www.openstreetmap.org/?lat=51.9659lon=20.4717zoom=13layers=0BFT

The boundaries you can see, are between four villages: Górki, 
Grabce-Towarzystwo, Grabce Wręckie and Długowizna. Look how many 
other villages there are. If all the boundaries between them are to 
be drawn and visible then the image will be one great... mess. They 
should apper no sooner than at zoom 14. BTW, why are they drawn with 
such an awfull thick red line at zoom  14? The thin one, it should 
not be red though, is much better. All this is about osmarender. 
I'll have to wait couple of days to say anything about mapnik.



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Re: [OSM-talk] administrative boundaries that run along roads - in the Mapnik layer

2008-02-10 Thread Lukasz Stelmach

Steve Chilton wrote:

This is kind of workaround only. The real solution would be putting 
features on different layers automatically. For examples POIs 
(nodes) should be always above anything else while areas always 
below. Unless, of course, layer= says different. This should be 
supported by rendering engines not users.



Where I have been mapping admin boundaries I put them all in as layer=1 - this 
brings them above most things in the mapnik rendering.
See: http://www.openstreetmap.org/?lat=51.60655lon=-0.05558zoom=15layers=B0FT
 
Cheers

STEVE

	-Original Message- 
	From: [EMAIL PROTECTED] on behalf of Adrian Frith 
	Sent: Sun 2/10/2008 7:06 PM 
	To: [EMAIL PROTECTED] 
	Cc: 
	Subject: [OSM-talk] administrative boundaries that run along roads - in the Mapnik layer




Hi All,

In Cape Town we've been mapping the suburb boundaries (which are
official) as boundary=administrative admin_level=10. These boundaries
run often down the middle of roads, railways or rivers. They show up
very nicely on the Osmarender/[EMAIL PROTECTED] layer as dashed red 
lines - see for
example
http://www.openstreetmap.org/?lat=-33.95lon=18.45zoom=12layers=0BFT

On the Mapnik layer, however, they show up only where they do *not* run
along roads or railways - it seems that the other features are rendered
on top of the boundaries. Should we not be rendering administrative
boundaries above real features?

My understanding is that this would require a change to the z_order code
in osm2pgsql. Is that correct?

Regards,
Adrian


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Re: [OSM-talk] Garmin icon for a bicycle

2008-02-10 Thread Lukasz Stelmach

Frédéric Bonifas wrote:


I am building custom stylesheets for mkgmap to get a cycle map of France.
I would like to add the bicycle rental stations (many in Lyon, Paris...).
I have seen on my etrex vista cx that I have a nice icon with a
bicycle and I would like to use it. It is called Bike Trail and I
can find it in the Signs waypoints section. Does someone know the
Garmin ID of this icon ? (I have looked in the features list in the
mkgmap documentation but can't find it).


I am not very familiar with garmin mapping but if I were you I'd try 
one of these:


0x2e0a
0x6707
0x6708
0x6709
0x670a
0x670b

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Re: [OSM-talk] User umehlig and some really nasty edits

2008-02-10 Thread Lukasz Stelmach

Hi Chris.

I learnt it quite soon after I uploaded my version of 300. I just 
sniffed JOSM but that is not the way ordinary people learn.  It 
SHOULD (IMHO MUST) be described on the API page.


Chris Hill wrote:
Dave 
Stubbs 
wrote:


I 
don't 
know 
who/what 
they 
are, 
but 
there 
are 
a 
large 
number 
of 
low
number 
nodes 
that 
have 
been 
utterly 
destroyed. 
Basically 
522-603 
and 
a
few 
others 
in 
the 
1000's 
have 
been 
moved 
halfway 
round 
the 
planet.



All 
right 
I 
confess. 
I 
have 
done 
something 
like 
that 
to 
the 
node 
300 
a 
while 
ago. 
But 
while 
you 
are 
considering 
some 
solutions 
to 
this 
problem 
allow 
me 
to 
explain 
myself. 
I 
tried 
to 
find 
out 
how 
to 
create 
and 
upload 
osm 
file 
by 
hand 
(i 
like 
vi 
that 
myuch 
;) 
But 
there 
is 
no 
single 
word 
written 
here 

http://wiki.openstreetmap.org/index.php/OSM_Protocol_Version_0.5
on 
how 
to 
obtain 
or 
create 
new 
id. 
It 
is 
described 
how 
to 
create 
an 
object 
but 
not 
how 
to 
choose 
an 
id 
for 
it.


The server allocates the ID for you.  You cannot choose the ID, you don't know 
what else is being added at that moment.

cheers,
Chris





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Re: [OSM-talk] Render icons for parking areas

2008-01-19 Thread Lukasz Stelmach

Stephen Gower wrote:

On Tue, Jan 15, 2008 at 09:14:09AM +0100, Knut Arne Bjørndal wrote:

I've now implemented an algorithm for finding a good center-point for
areas. It's already commited to svn as revision 6390.
  
  That's great - I think most people would prefer not to have

  rendering instructions (such as a node as well as the area) in the
  database, and I for one don't intend to have more than one entity
  (a node and an area) for one thing - knowing the renderers can
  handle this makes me more happy about my choice only to draw the
  areas.  Keep up the good work!


Ok. Forgive me my sarcasm earlier in this thread but I really think 
automatic placement of icons at the areas is not so good.


Let me then propose different approach. Let's use the new algorithm 
to create nodes that would be rendered as icons. Such nodes should 
have a tag that attaches them to the area and the created_by tag 
containing the automaton name so they can be automatically moved if 
the conditions change. If for whatever reaseon the automatic 
placement is not reasonable the node can be moved by hand and have 
the created_by changed without removing its attachment to the area. 
Then the algorithm knows not to move it.


For the sake of computation complexity the area-node attachment 
should be two-way.


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Re: [OSM-talk] Render icons for parking areas

2008-01-19 Thread Lukasz Stelmach

Robert Vollmert wrote:

On Jan 19, 2008, at 23:10, Lukasz Stelmach wrote:
Ok. Forgive me my sarcasm earlier in this thread but I really think  
automatic placement of icons at the areas is not so good.


Let me then propose different approach. Let's use the new algorithm  
to create nodes that would be rendered as icons. Such nodes should  
have a tag that attaches them to the area and the created_by tag  
containing the automaton name so they can be automatically moved if  
the conditions change. If for whatever reaseon the automatic  
placement is not reasonable the node can be moved by hand and have  
the created_by changed without removing its attachment to the area.  
Then the algorithm knows not to move it.


Why not place nodes automatically, unless the area is member of the  
labelled_area-relation (with two members: the area and the position  
of the icon/label), as was suggested before?


Sounds great to me. I havn't known there is such a relation so I 
just reinvented the wheel.


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Re: [OSM-talk] JOSM Icons

2008-01-17 Thread Lukasz Stelmach

Bruce Cowan wrote:

May as well forward here:

I have done a wee bit of work on some new icons for JOSM

[...]

If anyone can suggest any improvements, they are welcome.


Joinnodeway is too simmilar to Alignline.

I would rather draw Alignline like this

O-O
| \ ,   - dotted, thinner line
|  _| ,
|0 - different node, might be the purple one
|  ,
| ,
O


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Re: [OSM-talk] JOSM Icons

2008-01-17 Thread Lukasz Stelmach

Bruce Cowan wrote:

On Thu, 2008-01-17 at 21:34 +0100, Lukasz Stelmach wrote:


Joinnodeway is too simmilar to Alignline.

I would rather draw Alignline like this

O-O
| \ ,   - dotted, thinner line
|  _| ,
|0 - different node, might be the purple one
|  ,
| ,
O




Looking at it, I have changed Alignline, but I hadn't uploaded it yet. I
have now, so have a look.


It is quite good now, however, IMHO there should be those two 
additional segments: vertical and horizontal. They may be 
thinner/dotted, but they should be to show that the point always 
have been and will be a part of a way. Some thing like in 
commercials: before and after.



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Re: [OSM-talk] Missing structure

2008-01-17 Thread Lukasz Stelmach

Lester Caine wrote:
After my missive in the postal addresses thread I had yet another scout around 
  on what is already available and how it is not being managed well.


All mapping is currently based on physical nodes, but I think that perhaps we 
need an abstract element that we can hang things on.

[...]


Day by day it becomes more obvious to me that sooner or later 
segments/ways distinction will be back with us. Look at this.

A way (street) may belong  to many relations, right? Each relation
may contain different part of the street, right? Especially in big 
cities where bus routes can be relations and each bus may take 
different turns, there will bo no single way/highway comprising more 
than one segment (to be precise I think about lines between 
crossings which in case of curved street may comprise more 
segments). There will obviously MUST be invented 'street' replation 
which takes a few segmetns and gives them common name. The other 
relation (perish?) could contain all the objects that belong to a 
certain place including half of the segments of the streets that 
connects two adjacent places.


This shows a little problem which, however, should be automatable, a 
new object (node/way|segment) has to be assigned to a different 
object (relation) rather then assigning the  place relation to the 
new object.



I am just shatring my thoughts, maybe someone can come up with some 
thing wiser ;-)


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Re: [OSM-talk] Render icons for parking areas

2008-01-17 Thread Lukasz Stelmach

Ben Companjen wrote:

On 17/01/2008, Lukasz Stelmach [EMAIL PROTECTED] wrote:


There is no algorithm which
can be applied to all car parks in the world and not producing at
least a dozen of ridiculously placed icons. IMHO placing a node that
will be drawn as an icon is twice as good as automagic script that
counts the position above the area.

1. The icon will be always in the most reasonable place because
human beings know better.
2. Nodes can be, someday, exported as POIs and it will be easier to
find a node-parking rather than area-parking.



And how does a human being find the best place for an icon? I would
say by using an algorithm...


Not an algorithm implementable in xslt or other language in less 
than few eons. That is how much it took Mother nature to develope 
and finetune these algorithms. ;-)


You may check here http://en.wikipedia.org/wiki/Visibility_problem
How hard it is to design algorithms working in more that one dimesion.

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Re: [OSM-talk] maritime borders

2008-01-12 Thread Lukasz Stelmach

Robin Paulson wrote:

On 12/01/2008, Igor Brejc [EMAIL PROTECTED] wrote:

Just as a curiosity: 12 NM was chosen because it it the farthest point a
person can see from the shore (due to Earth's roundness). Or something
like that :)


according to wp, it was the range of a cannon in 14th c or something


XIV c. ships would draw rather then carried a cannon that could 
shoot as far as 22.2 km. It must be something different.


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Re: [OSM-talk] administrative boundaries and is_in

2008-01-11 Thread Lukasz Stelmach

Martijn Verwijmeren wrote:

On Thu, 10 Jan 2008 23:11:03 +0100
Lukasz Stelmach [EMAIL PROTECTED] wrote:
My point is that as far as the administration and adminstrative 
boundaries are conserned, they do coincide.


No, they don't. Reading the wikipedia stuff you linked:

Kansas City is the largest city in the state of Missouri. It
encompasses 318 square miles in parts of Jackson, Clay, Cass, and
Platte counties.

It is fairly common for larger cities and even small towns in the US to
lie in more than one county.


Do those cities have their own administration that cooperates with 
all the counties?



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Re: [OSM-talk] administrative boundaries and is_in

2008-01-10 Thread Lukasz Stelmach

Robin Paulson wrote:

can someone explain a few things about the way boundaries work, and
their relation to the is_in key?

as far as i can tell, when a location (say the suburb of balham, in
london) is added to the map, the is_in tag needs to be set, multiple
times. in this case, it would be set as follows:

is_in:Westminster (...i think)
is_in:greater london
is_in:england
is_in:united_kingdom
is_in:British_Isles
is_in:Great_Britain
is_in:Europe
...etc.

which seems counter-intuitive, not to mention requiring huge amounts
of work. do we set this for every item - roads, churches,
supermarkets,thousands of other items?


What I do is putting is_in only on places and I do it rather like
this: Westminster,greater london,england,united_kingdom,etc. Even
when I map a few villages in an areay JOSM autocompletes that.



my second, related, point concerns boundaries that coincide with
coastlines: do we need to trace over the coastline of a
country/city/suburb to define an unbroken loop for each administrative
areas, 


After reading
http://wiki.openstreetmap.org/index.php/Key:boundary
http://wiki.openstreetmap.org/index.php/Talk:Key:boundary#Expanded_usage
I would not bother.

What is more important to me, and this is question for all who know,
how to cope boundaries *between* two areas, like administrative
ones? How to cope with boundaries of different administrative
levels? If a line is a boundary between communes it is also a
boundry of respective provinces.

Both webpages above seem to be quite vague about it, or at best
unofficial.

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Re: [OSM-talk] auto drawing island country borders (was Re: administrative boundaries and is_in)

2008-01-10 Thread Lukasz Stelmach

Robin Paulson wrote:

On 11/01/2008, Martijn van Oosterhout [EMAIL PROTECTED] wrote:

- There's no reason why you can't stick an admin boundary on a
natural=coastline way.


sounds good

the idea of tracing over an existing boundary is not something that
particularly appeals to me though, and as it's been done once, does it
need to be done again:


 From what I knwo boundaries rather seldom go right along the
costline, if you mean a sea. Most often few miles of sea is still a
part of the nearby country. Like for example here:
http://www.openstreetmap.org/?lat=52.236lon=4.444zoom=10layers=B0FT


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Re: [OSM-talk] administrative boundaries and is_in

2008-01-10 Thread Lukasz Stelmach

Thomas Wood wrote:

On Jan 10, 2008 6:34 PM, Lukasz Stelmach [EMAIL PROTECTED] wrote:

[...]

What is more important to me, and this is question for all who know,
how to cope boundaries *between* two areas, like administrative
ones? How to cope with boundaries of different administrative
levels? If a line is a boundary between communes it is also a
boundry of respective provinces.


Not necessarily - it could be at the moment, or it could not be. There
are examples (in the UK at least) of overlaps.


Do you mean that a commune (the lowest level of self government) can 
be part of more than one unit of each of higher levels? Like this?



\
 \_:_  -  C1
  :::\::
::\:
 P1| P2
\
/

I am talking here about administrative boundaries not some sort of 
customary ones.


I haven't written that earlier but what should I do if the boundary 
goes along some other way like railroad, river or highway? Should I 
draw another way right besides the road or tag one way as both the 
road and the boundary?


If the former then I think sooner or later we should develop 
separate layers for different features of the map. Editing could be 
much easier then.


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[OSM-talk] source=yahoo

2008-01-09 Thread Lukasz Stelmach

Greetings Everyone.

If there is source=landsat for features derived from landsat photos 
should I tag source=yahoo those ones I have spotted on Yahoo imagery?



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Re: [OSM-talk] source=yahoo

2008-01-09 Thread Lukasz Stelmach

Franc Carter wrote:


I have seen these two
  source=Yahoo Imagery
  source=yahoo_imagery


the latter seems quite nice. i'll use it.


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