Re: [Tagging] No proposal labeling

2010-08-30 Thread Matthias Meißer

 multitude of options to choose from



Yes ok but the problem with this options is that the brainstorming 
process is so distributed and for every channel you need logon etc. For 
me for example I dont like mailinglists that much just cause of the push 
communication form.


So I thaught that the pros of a wiki is its united caracter but I 
understand that there are people that dont like a wiki, too.


So how can we unite this communication process in the future?

Well but nevertheless this is about how to cleanup the feature wiki. How 
can we improve this wiki focused approach of feature evolution either 
proposed/vote based or not?


Matthias

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Re: [Tagging] Relation for saying x is attached to y?

2010-08-30 Thread Steve Bennett
On Mon, Aug 30, 2010 at 2:09 AM, Sebastian Klein
basti...@googlemail.com wrote:
 Isn't it kind of obvious, that a photovoltaic type power generator is
 located on top of the building rather than inside or below?

 You may assume a basic level of intelligence from the user of the data and
 add only information that has more than one option. E.g. is the post box
 attached to a wall or does it stand on its own? In this example you would
 not need a relation, since the post box node can simply be joined with the
 building way.

Assuming a basic level of intelligence really harms machine reuse of
data. Even things that seem really obvious to a person can be complex,
tedious, and error-prone to code. Using relations and other tags to
make relationships very explicit makes reusing data much easier.

One example is bus stops. When a bus stop is near a way, it's
obvious to a person what that means - but pretty tricky for a
program to use for routing.

Steve

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Re: [Tagging] How do you map handicapped parking? (and other questions)

2010-08-30 Thread M∡rtin Koppenhoefer
2010/8/29 Nathan Edgars II nerou...@gmail.com:
 Is there a way to distinguish an older gnarly tree suitable for
 climbing from a recently-planted tree?


I would use height and the circumference of the trunk (usually
measured at 1 metre or 1.3 metres above ground) to give an
approximation. You can also tag the age by putting the planting date,
if you know about this.

cheers,
Martin

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Re: [Tagging] Non Proposed Features

2010-08-30 Thread M∡rtin Koppenhoefer
2010/8/29 Nathan Edgars II nerou...@gmail.com:
 culvert=yes is ambiguous: does it refer to the object on top or
 underneath?


our tags refer to the object they are associated with. Simple like
that, isn't it?

cheers,
Martin

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Re: [Tagging] Non Proposed Features

2010-08-30 Thread Nathan Edgars II
On Mon, Aug 30, 2010 at 5:47 AM, M∡rtin Koppenhoefer
dieterdre...@gmail.com wrote:
 2010/8/29 Nathan Edgars II nerou...@gmail.com:
 culvert=yes is ambiguous: does it refer to the object on top or
 underneath?


 our tags refer to the object they are associated with. Simple like
 that, isn't it?

OK, so if you have culvert=yes on a short section of way, does that
mean it goes through the structure or over it?

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Re: [Tagging] No proposal labeling

2010-08-30 Thread M∡rtin Koppenhoefer
Am 30. August 2010 08:08 schrieb Matthias Meißer dig...@arcor.de:
  multitude of options to choose from


 Yes ok but the problem with this options is that the brainstorming process
 is so distributed and for every channel you need logon etc. For me for
 example I dont like mailinglists that much just cause of the push
 communication form.

 So I thaught that the pros of a wiki is its united caracter but I understand
 that there are people that dont like a wiki, too.


I see it like this, that the wiki is the place to document stuff.
Discussions should already have been taken place to a certain point,
but in case you have to add something important for you, there is also
the possibility for every wikipage to add remarks to the
discussion-page there.


 Well but nevertheless this is about how to cleanup the feature wiki. How can
 we improve this wiki focused approach of feature evolution either
 proposed/vote based or not?


you're still insisting on proposed/voted nevertheless you were told
that parts of the community (myself excluded) don't  like/support it.
Some people try to sneak in features to the main feature list (hence
violating the community rules that only widely accepted and in-use
features should be added), but mostly this will not succeed,
especially when they are disputed features, because someone will
remove them. I don't see a point in removing undisputed features from
the list though, just because they don't meet some formal criteria.

Additionally according to my experiences, most of the confusion is not
arising by new features, but by redefinition or amendment of already
existing ones.

cheers,
Martin

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Re: [Tagging] Non Proposed Features

2010-08-30 Thread M∡rtin Koppenhoefer
2010/8/30 Nathan Edgars II nerou...@gmail.com:
 On Mon, Aug 30, 2010 at 5:47 AM, M∡rtin Koppenhoefer
 dieterdre...@gmail.com wrote:
 2010/8/29 Nathan Edgars II nerou...@gmail.com:
 culvert=yes is ambiguous: does it refer to the object on top or
 underneath?


 our tags refer to the object they are associated with. Simple like
 that, isn't it?

 OK, so if you have culvert=yes on a short section of way, does that
 mean it goes through the structure or over it?


Can you show me the example? I don't understand structure and I
would like to know, which kind of way it is (what are the other
tags?).

Over and under are modelled by layer-tags in OSM.

cheers,
Martin

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Re: [Tagging] Relation for saying x is attached to y?

2010-08-30 Thread Richard Welty

 On 8/30/10 9:06 AM, M∡rtin Koppenhoefer wrote:

2010/8/29 Pierenpier...@gmail.com:

On Sun, Aug 29, 2010 at 11:37 AM, Nathan Edgars IInerou...@gmail.com
wrote:

Perhaps a site relation? I'm not sure it's necessary; any application
that needs that information can calculate whether the polygons
overlap.


Yes, the topology shows what is inside or outside the polygon. And you
can use the tag layer to say what is on the top of what.


+1, but site-relations might still be useful in the context of power
generators. There are situations where the single objects do not
overlap but are side a side, for example you might have 3 generators
with 3 chimneys and want to model which chimney is connected to which
generator.

i'd lean towards site relations being useful because i think that
the computational complexity of doing lots of polygon intersections
is being underestimated. yes, for small bounding boxes it's ok,
but consider if you needed to do it on a larger scale, it'd make
certain tasks completely unreasonable (i'm not sure what those
tasks might be yet, haven't thought about it.)

richard


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Re: [Tagging] Relation for saying x is attached to y?

2010-08-30 Thread Steve Bennett
On Mon, Aug 30, 2010 at 11:18 PM, Richard Welty rwe...@averillpark.net wrote:
 i'd lean towards site relations being useful because i think that
 the computational complexity of doing lots of polygon intersections
 is being underestimated. yes, for small bounding boxes it's ok,
 but consider if you needed to do it on a larger scale, it'd make
 certain tasks completely unreasonable (i'm not sure what those
 tasks might be yet, haven't thought about it.)

Yep. Polygon collisions can also be accidental, like when two objects
from slightly different sources (say one gps, one aerial imagery) are
near each other. A relation is a very explicit statement.

Other generic relation types that would be very useful:
- these objects are mutually accessible by foot (to avoid having to
invent artificial foot paths in order to get good routing)
- these objects express the same thing as that object but in more
detail (eg, one line representing a pair or more of train lines)
- these objects are one (like a very generic multipolygon, could
also work to form multiways)

Steve

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Re: [Tagging] now i'm completely stumped...

2010-08-30 Thread Steve Bennett
On Sat, Aug 28, 2010 at 3:29 AM, Richard Welty rwe...@averillpark.net wrote:


 Weight Watchers?

 Dale Carnegie Training?

 Arthur Murray Dance Studio?

OSM is not setting out to build an ontology of business types. Does that help?

Steve

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Re: [Tagging] Feature Proposal - RFC - Sauna

2010-08-30 Thread Steve Bennett
On Fri, Aug 27, 2010 at 11:34 PM, Peter Körner osm-li...@mazdermind.de wrote:
 Hi Kim,

 why exactly do you want to convert a widely used tag (amenity=sauna, ~1000
 uses) to a very rarely used tag (leisure=sauna, ~13 uses).

Agreed. Unless there is something very clearly broken with the naming
of the tag (power=sub_station comes to mind), it's a bad idea to
change a tag to something that is marginally more correct.

Steve

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Re: [Tagging] Relation for saying x is attached to y?

2010-08-30 Thread M∡rtin Koppenhoefer
2010/8/30 Steve Bennett stevag...@gmail.com:
 Yep. Polygon collisions can also be accidental, like when two objects
 from slightly different sources (say one gps, one aerial imagery) are
 near each other.


I'd consider this mapping failure actually. More than believing in
gps- and imagery-precision the mapper should care about topology.



 Other generic relation types that would be very useful:
 - these objects are mutually accessible by foot (to avoid having to
 invent artificial foot paths in order to get good routing)


you can do this with the area-relation (not restricted but restrictable to foot)

 - these objects express the same thing as that object but in more
 detail (eg, one line representing a pair or more of train lines)


interesting, but maybe difficult to do.

 - these objects are one (like a very generic multipolygon, could
 also work to form multiways)


can't you already do this with current multipolygons? (OK, only for
areas, for ways there are routes).

cheers,
Martin

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Re: [Tagging] Relation for saying x is attached to y?

2010-08-30 Thread M∡rtin Koppenhoefer
2010/8/30 M∡rtin Koppenhoefer dieterdre...@gmail.com:
 - these objects express the same thing as that object but in more
 detail (eg, one line representing a pair or more of train lines)


in this actual example you don't need relations but can do as with
streets (lanes-tag). I'm not sure on the best syntax though: should it
be tracks=4 or lanes=4? The latter is less correct regarding the
language but doesn't require additional tags.

cheers,
Martin

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Re: [Tagging] now i'm completely stumped...

2010-08-30 Thread M∡rtin Koppenhoefer
2010/8/30 Steve Bennett stevag...@gmail.com:
 On Sat, Aug 28, 2010 at 3:29 AM, Richard Welty rwe...@averillpark.net wrote:


 Weight Watchers?

 Dale Carnegie Training?

 Arthur Murray Dance Studio?

 OSM is not setting out to build an ontology of business types. Does that help?


why not? OSM is setting out to build an ontology of the world.

cheers,
Martin

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Re: [Tagging] Relation for saying x is attached to y?

2010-08-30 Thread Phil! Gold
* M∡rtin Koppenhoefer dieterdre...@gmail.com [2010-08-30 17:40 +0200]:
 2010/8/30 M∡rtin Koppenhoefer dieterdre...@gmail.com:
  - these objects express the same thing as that object but in more
  detail (eg, one line representing a pair or more of train lines)
 
 in this actual example you don't need relations but can do as with
 streets (lanes-tag). I'm not sure on the best syntax though: should it
 be tracks=4 or lanes=4? The latter is less correct regarding the
 language but doesn't require additional tags.

There is a proposal for a tracks= tag:

http://wiki.openstreetmap.org/wiki/Proposed_features/Multiple_Tracks

-- 
...computer contrarian of the first order... / http://aperiodic.net/phil/
PGP: 026A27F2  print: D200 5BDB FC4B B24A 9248  9F7A 4322 2D22 026A 27F2
--- --
Education is a better safeguard of liberty than a standing army.
   -- Edward Everett
 --- --

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Re: [Tagging] [OSM-dev] Extracting national boundaries

2010-08-30 Thread M∡rtin Koppenhoefer
2010/8/30 Pieren pier...@gmail.com:
 On Mon, Aug 30, 2010 at 11:05 AM, Colin Smale colin.sm...@xs4all.nl wrote:

 But France and Slovakia for example don't seem to have a single relation
 as a starting point.


 There is the one for France (land_area):
 http://www.openstreetmap.org/browse/relation/11980


just a lateral note: there is some inconsistency.

name = France
name:de = Französische Republik

IMHO it should be either name=République française or name:de=Frankreich

You could also go for official_name=République française,
official_name:de=Französische Republik, ...
I'm not sure if this is needed, probably you would do better just use
the wikipedia-interlanguage-links.

cheers,
Martin

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Re: [Tagging] Non Proposed Features

2010-08-30 Thread M∡rtin Koppenhoefer
2010/8/30 Nathan Edgars II nerou...@gmail.com:
 On Mon, Aug 30, 2010 at 9:08 AM, M∡rtin Koppenhoefer
 dieterdre...@gmail.com wrote:
 Can you show me the example? I don't understand structure and I
 would like to know, which kind of way it is (what are the other
 tags?).

 http://www.openstreetmap.org/browse/way/48598384
 If this was tagged culvert=yes rather than bridge=culvert, it wouldn't
 be clear whether it's a bridge or tunnel.

That's true, but IMHO the wrong way is tagged there: the culvert
should go on the waterway, i.e. where it is.

I also saw another strange thing there: your waterways are tagged
oneway=yes. What does that mean? Is this for boat-traffic? Do the
boats pass the culvert? According to the wiki oneway is used for
access-restrictions, i.e. it is a legal tag, not a physical one.

cheers,
Martin

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Re: [Tagging] Non Proposed Features

2010-08-30 Thread Nathan Edgars II
On Mon, Aug 30, 2010 at 12:38 PM, M∡rtin Koppenhoefer
dieterdre...@gmail.com wrote:
 2010/8/30 Nathan Edgars II nerou...@gmail.com:
 http://www.openstreetmap.org/browse/way/48598384
 If this was tagged culvert=yes rather than bridge=culvert, it wouldn't
 be clear whether it's a bridge or tunnel.

 That's true, but IMHO the wrong way is tagged there: the culvert
 should go on the waterway, i.e. where it is.
What do you mean by where it is? The culvert is the structure that
carries the road over the waterway.

 I also saw another strange thing there: your waterways are tagged
 oneway=yes. What does that mean? Is this for boat-traffic? Do the
 boats pass the culvert? According to the wiki oneway is used for
 access-restrictions, i.e. it is a legal tag, not a physical one.
How else would you tag water flow?

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Re: [Tagging] Non Proposed Features

2010-08-30 Thread Matthias Meißer
Ok this seem to be a problem but again, is this related in some way with 
'Non proposed features'?


Matthias

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Re: [Tagging] No proposal labeling

2010-08-30 Thread Matthias Meißer

Some people try to sneak in features to the main feature list (hence
violating the community rules that only widely accepted and in-use
features should be added), but mostly this will not succeed,
especially when they are disputed features, because someone will
remove them. I don't see a point in removing undisputed features from
the list though, just because they don't meet some formal criteria.



But why not? Ok i don't like it to have rules just to have rules, too. 
But if we try to moderate the list (pros were said allready) there have 
to be some rules?


We have to keep in mind, that this doesn't mean, that the tags aren't in 
the wiki anymore neither, that nobody has to tag stuff that way.



Additionally according to my experiences, most of the confusion is not
arising by new features, but by redefinition or amendment of already
existing ones.

I agree but how can we avoid it without doing some moderation and keep 
the list clean?


This results in the funny situation that I have to do a proposal to 
modify/extend a non proposed feature that is in conflict on the list ;)


Matthias

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Re: [Tagging] Non Proposed Features

2010-08-30 Thread Pierre-Alain Dorange
Nathan Edgars II nerou...@gmail.com
wrote:

  That's true, but IMHO the wrong way is tagged there: the culvert
  should go on the waterway, i.e. where it is.
 What do you mean by where it is? The culvert is the structure that
 carries the road over the waterway.

I'm not sure i have understand, but (for me) a culvert can't carries a
road over ; a culvert is a kind of tube that goes under a structure to
allow water to go throught a roadrail...

Wikipedia for example tell :
A culvert is a device used to channel water. It may be used to allow
water to pass underneath a road, railway, or embankment for example.
Culverts can be made of many different materials; steel, polyvinyl
chloride (PVC) and concrete are the most common.
http://en.wikipedia.org/wiki/Culvert

What you describ a structure that carry the road over is a bridge for
me.

  I also saw another strange thing there: your waterways are tagged
  oneway=yes. What does that mean? Is this for boat-traffic? Do the
  boats pass the culvert? According to the wiki oneway is used for
  access-restrictions, i.e. it is a legal tag, not a physical one.
 How else would you tag water flow?

Water flow is the way direction (the direction it has been drawn, if
opposite, reverse the way).
oneway=yes do not indicate any direction just that there is only one
direction possible, the direction is indicate by the direction of the
original drawing.

http://wiki.openstreetmap.org/wiki/Tag:waterway%3Driver
Direction of the way should be downstream.

oneway tag is design to indicat access restriction.
http://wiki.openstreetmap.org/wiki/Oneway
-- 
Pierre-Alain Dorange


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Re: [Tagging] Non Proposed Features

2010-08-30 Thread Pieren
On Mon, Aug 30, 2010 at 10:35 PM, Pierre-Alain Dorange pdora...@mac.comwrote:


 I'm not sure i have understand, but (for me) a culvert can't carries a
 road over ; a culvert is a kind of tube that goes under a structure to
 allow water to go throught a roadrail...

 Wikipedia for example tell :
 A culvert is a device used to channel water. It may be used to allow
 water to pass underneath a road, railway, or embankment for example.
 Culverts can be made of many different materials; steel, polyvinyl
 chloride (PVC) and concrete are the most common.
 http://en.wikipedia.org/wiki/Culvert


And if you go ahead with this article:
When boxes or pipes are placed side-by-side to create a width of greater
than twenty feet, the culvert is defined as a bridge in the United States

Some examples:
http://www.horizontalholes.com/images/Box_Culvert_Job_09.jpg
http://rscallahan.com/sitebuildercontent/sitebuilderpictures/May242006011.jpg

Pieren
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Re: [Tagging] Non Proposed Features

2010-08-30 Thread Cartinus
On Monday 30 August 2010 19:19:21 Nathan Edgars II wrote:
 How else would you tag water flow?

Somewhere, probably lost in the depths of time, it was agreed that waterflow 
is modeled by the direction of the waterway way without a oneway tag.

Oops it's not lost. It's on the waterway=river and waterway=stream wiki pages.

-- 
m.v.g.,
Cartinus

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Re: [Tagging] sidewalks

2010-08-30 Thread Anthony
On Sat, Aug 28, 2010 at 5:51 AM, M∡rtin Koppenhoefer
dieterdre...@gmail.com wrote:
 2010/8/28 Anthony o...@inbox.org:
 On Fri, Aug 27, 2010 at 10:56 AM, M∡rtin Koppenhoefer
 dieterdre...@gmail.com wrote:
 if there is no footway, it shouldn't be tagged as such.

 Agreed.  But what is a footway?  The dictionary says it's a narrow
 way or path for pedestrians.  I don't see anything about grass being
 disqualified.


 The definition you quoted said: way or path. In the aerial images
 posted here there was neither of them. If was just grass. No way.

I'm not sure which aerial you're referring, but I also don't see why a
strip of grass wouldn't qualify as a way or path.

 You can actually see informal footways/paths quite well in aerial
 imagery. If they are there and you have good resolution images.
 Usually the grass is aside then, because grass doesn't grow where
 people (or animals) walk. It disappears even if it was there before.

Well, all the places where I'd tag a footway are places where people
walk.  So I guess there's not a problem.

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Re: [Tagging] Non Proposed Features

2010-08-30 Thread John F. Eldredge
On 08/30/2010 03:35 PM, Pierre-Alain Dorange wrote:
 Nathan Edgars II nerou...@gmail.com
 wrote:

   
 That's true, but IMHO the wrong way is tagged there: the culvert
 should go on the waterway, i.e. where it is.
   
 What do you mean by where it is? The culvert is the structure that
 carries the road over the waterway.
 
 I'm not sure i have understand, but (for me) a culvert can't carries a
 road over ; a culvert is a kind of tube that goes under a structure to
 allow water to go throught a roadrail...

 Wikipedia for example tell :
 A culvert is a device used to channel water. It may be used to allow
 water to pass underneath a road, railway, or embankment for example.
 Culverts can be made of many different materials; steel, polyvinyl
 chloride (PVC) and concrete are the most common.
 http://en.wikipedia.org/wiki/Culvert

 What you describ a structure that carry the road over is a bridge for
 me.

   
 I also saw another strange thing there: your waterways are tagged
 oneway=yes. What does that mean? Is this for boat-traffic? Do the
 boats pass the culvert? According to the wiki oneway is used for
 access-restrictions, i.e. it is a legal tag, not a physical one.
   
 How else would you tag water flow?
 
 Water flow is the way direction (the direction it has been drawn, if
 opposite, reverse the way).
 oneway=yes do not indicate any direction just that there is only one
 direction possible, the direction is indicate by the direction of the
 original drawing.

 http://wiki.openstreetmap.org/wiki/Tag:waterway%3Driver
 Direction of the way should be downstream.

 oneway tag is design to indicat access restriction.
 http://wiki.openstreetmap.org/wiki/Oneway
   
Does direction of the original drawing mean that the nodes should be
marked from upstream to downstream?  If not, how do you specify the
direction of a waterway when mapping it?  Also, how do you reverse a
way?  The wiki page for the direction key only gives the examples of
clockwise vs. counterclockwise for a round-about, and up/down for steps.


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Re: [Tagging] How do you map handicapped parking? (and other questions)

2010-08-30 Thread Stephen Hope
On 29 August 2010 16:28, Nathan Edgars II nerou...@gmail.com wrote:
 http://en.wikipedia.org/wiki/File:Z%C3%BCrich_-_B%C3%BCrkliplatz_IMG_0525_ShiftN.jpg
 (or something less fancy) is what I think of a pavilion as.
 http://apps.ocfl.net/dept/cesrvcs/parks/parkdetails.asp?parkid=66
 agrees that the park has rental pavilions (second icon in the
 amenity list).

Definitely a cultural thing then.  To me, that's a bandstand.  I have
seen the word pavilion used occasionally for this, but it's not what
would come to mind first.  Not that it matters, as long as it's
documented well.

Stephen

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Re: [Tagging] Non Proposed Features

2010-08-30 Thread Richard Welty

 On 8/30/10 6:49 PM, Stephen Hope wrote:

On 31 August 2010 08:36, John F. Eldredgej...@jfeldredge.com  wrote:

  Also, how do you reverse a  way?

In JOSM, you just use Reverse way. Don't know about potlatch, but it
would have to be there somewhere, or you can't get one way streets to
work properly.

there's a little arrow in a circle icon on the bottom left side in potlatch
1.whatever, click on it to reverse the currently selected way. the arrow
generally indicates which way the selected way points, and reverses itself
when clicked. note that with ways such as 270 degree exit/entrance ramps,
the arrow kind of compromises on the mid way direction.

richard


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Re: [Tagging] sidewalks

2010-08-30 Thread M∡rtin Koppenhoefer
2010/8/30 Anthony o...@inbox.org:
 The definition you quoted said: way or path. In the aerial images
 posted here there was neither of them. If was just grass. No way.

 I'm not sure which aerial you're referring, but I also don't see why a
 strip of grass wouldn't qualify as a way or path.

http://www.nearmap.com/?ll=-34.854348,138.535446z=22t=hnmd=20100614

 You can actually see informal footways/paths quite well in aerial
 imagery. If they are there and you have good resolution images.
 Usually the grass is only beneath then, because grass doesn't grow where
 people (or animals) walk (frequently). It disappears even if it was there 
 before.

 Well, all the places where I'd tag a footway are places where people
 walk.

+1. People can walk on almost every grass covered area, but I wouldn't
invent footways just because you can walk there, I would tag them
where people actually do walk.

cheers,
Martin

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Re: [Tagging] Street names

2010-08-30 Thread Alan Mintz

At 2010-08-29 09:03, Pieren wrote:
On Sun, Aug 29, 2010 at 4:07 PM,
Mike N. nice...@att.net
wrote:
When tagging a street name and it
seems that the street signs are incorrect - all businesses on that street
use the alternate spelling as their street address - which name to
use?
Using the 'Correct name is confusing when navigating to the
street because the street sign won't exactly match the street you're
being directed onto.
Using the name on the sign would result in no match when searching
for the street.
In such case, I set the official name (the one fixed by the
administration) on the tag name and the other one in
alt_name with a note explaining that the street sign is
misleading. 
I look up the street name in the city and/or county records, which are
available online for many counties. If the signage and the records agree,
I put the signed name in name and put the one that is used by
businesses in alt_name. 
If, instead, the records and the one that is used by businesses agree,
and the signage is wrong, I put the one that is used by
businesses in name and the signed name in
alt_name. I also report the signage error to the responsible
public works department (usually the city in incorporated areas,
otherwise the county). I also add a FIXME tag with a note to re-check it
in the future. I've been responsible for a number of sign
corrections.
In both cases, I add a note tag with an explanation of what I found and
did.

--
Alan Mintz alan_mintz+...@earthlink.net



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Re: [Tagging] sidewalks

2010-08-30 Thread Simon Biber
On Tue, 31 August, 2010 9:18:21 AM, M∡rtin Koppenhoefer 
dieterdre...@gmail.com 
wrote:

 http://www.nearmap.com/?ll=-34.854348,138.535446z=22t=hnmd=20100614

 +1. People can walk on almost every grass covered area, but I wouldn't invent 
footways just because you can walk there, I would tag them where people 
actually 
do walk.

I am the one who mapped the footway in the link above. And not just from the 
aerial imagery, but also on my bike to gather the street names. People actually 
do walk there, on the grassy strip between the roadway and the houses. You're 
not supposed to walk on the asphalt road surface. Otherwise you're likely to be 
run over.



  

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Re: [Tagging] sidewalks

2010-08-30 Thread Anthony
On Mon, Aug 30, 2010 at 7:48 PM, M∡rtin Koppenhoefer
dieterdre...@gmail.com wrote:
 2010/8/30 Anthony o...@inbox.org:
 The definition you quoted said: way or path. In the aerial images
 posted here there was neither of them. If was just grass. No way.

 I'm not sure which aerial you're referring, but I also don't see why a
 strip of grass wouldn't qualify as a way or path.

 http://www.nearmap.com/?ll=-34.854348,138.535446z=22t=hnmd=20100614

http://maps.google.com/maps?f=qsource=s_qhl=engeocode=q=-34.854348,138.535446sll=28.0725,-82.548614sspn=0.010981,0.01472ie=UTF8ll=-34.854396,138.535563spn=0.000638,0.00092t=hz=20layer=ccbll=-34.854406,138.535454panoid=A6Al6CHbuWxD2rMFncHI3Acbp=12,354.25,,0,21.14

Same answer?

 You can actually see informal footways/paths quite well in aerial
 imagery. If they are there and you have good resolution images.
 Usually the grass is only beneath then, because grass doesn't grow where
 people (or animals) walk (frequently). It disappears even if it was there 
 before.

 Well, all the places where I'd tag a footway are places where people
 walk.

 +1. People can walk on almost every grass covered area, but I wouldn't
 invent footways just because you can walk there, I would tag them
 where people actually do walk.

Okay, but you're the only one who brought up tagging footways in the
middle of nowhere, just because there's grass there.

Grass is a legitimate surface for a footway.  That doesn't mean that
all grass is part of a footway, any more than all asphalt is part of a
road.

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Re: [Tagging] sidewalks

2010-08-30 Thread Liz
On Tue, 31 Aug 2010, Anthony wrote:
 Grass is a legitimate surface for a footway.  That doesn't mean that
 all grass is part of a footway, any more than all asphalt is part of a
 road.

This is very cultural.
Au city situation
The part of the Road Reserve which is between the property boundary of the 
householder and the kerb and guttering is publicly owned, and is the correct 
place to walk.
At the same time the householder is expected to maintain the area, with grass, 
and water, fertilise and mow the area, preventing the wear marks which 
indicate a footway.
Deviants make extensions of their gardens and put in a formal footpath through 
the garden area. You may not prevent persons walking there under normal 
circumstances.
Rarely does the council provide a concreted strip suitable for light wheeled 
traffic - children's bikes, {prams, strollers, pushers}, wheelchairs, etc.

Au rural situation
same legal rights and obligations but landholders don't actively encourage 
grass to grow. They may use glyphosate instead.


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Re: [Tagging] Non Proposed Features

2010-08-30 Thread Nathan Edgars II
On Mon, Aug 30, 2010 at 5:11 PM, Cartinus carti...@xs4all.nl wrote:
 On Monday 30 August 2010 19:19:21 Nathan Edgars II wrote:
 How else would you tag water flow?

 Somewhere, probably lost in the depths of time, it was agreed that waterflow
 is modeled by the direction of the waterway way without a oneway tag.

 Oops it's not lost. It's on the waterway=river and waterway=stream wiki pages.

So how do you specify that (a) you mapped a waterway but don't know
the direction of flow, (b) it's a stagnant channel with no real flow,
or (c) it's an artificial drainage canal with flow changing based on
rainfall and opening or closing of gates?

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Re: [Tagging] Non Proposed Features

2010-08-30 Thread SomeoneElse

 On 30/08/2010 21:48, Pieren wrote:

And if you go ahead with this article:
When boxes or pipes are placed side-by-side to create a width of 
greater than twenty feet, the culvert is defined as a bridge in the 
United States


And if you go on reading it says  This is a requirement of the federal 
bridge inspection standards and ensures that the culvert is inspected on 
a regular basis^ http://en.wikipedia.org/wiki/Culvert#cite_note-0 .  
So in this case doesn't mean is a bridge but the bit over the top is 
defined legally as a bridge so that it has to be inspected to make sure 
that it doesn't collapse in the same way that bridges have to be.


For info, Chambers (a paper dictionary - remember them?) defines it as 
follows:


'culvert, noun.   an arched channel for carrying water beneath a road, 
railway, etc.  [Perhaps from French couler to flow - Latin colare.]'


Naturally, this is a British English definition - it doesn't mean that 
Americans using the word for any part of the engineering used to send 
water under and something else over are wrong; they're just speaking a 
different language to me.  The use of British English (actually an 
England-and-Wales only dialect as far as highway types go) in OSM is a 
historical accident, but it's what we've got, and redefining tag use 
based on another dialect or a mixture is likely to just cause a mess.   
Personally I wouldn't object if someone started mapping man-made water 
features in Dutch (they have more words for them) provided that it was 
clear what they meant!


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Re: [Tagging] sidewalks

2010-08-30 Thread John F. Eldredge
I don't think that he has said that ALL grass should be marked as a footway, 
only that this particular strip of grass should be marked as a footway.  If 
enough people walk on that stretch of grass, it will eventually contain a 
bare-dirt path.  I don't see that we would necessarily need to wait until the 
bare-dirt path appears before tagging it.

---Original Email---
Subject :Re: [Tagging] sidewalks
From  :mailto:o...@inbox.org
Date  :Mon Aug 30 20:19:57 America/Chicago 2010


On Mon, Aug 30, 2010 at 7:48 PM, M∡rtin Koppenhoefer
dieterdre...@gmail.com wrote:
 2010/8/30 Anthony o...@inbox.org:
 The definition you quoted said: way or path. In the aerial images
 posted here there was neither of them. If was just grass. No way.

 I'm not sure which aerial you're referring, but I also don't see why a
 strip of grass wouldn't qualify as a way or path.

 http://www.nearmap.com/?ll=-34.854348,138.535446z=22t=hnmd=20100614

http://maps.google.com/maps?f=qsource=s_qhl=engeocode=q=-34.854348,138.535446sll=28.0725,-82.548614sspn=0.010981,0.01472ie=UTF8ll=-34.854396,138.535563spn=0.000638,0.00092t=hz=20layer=ccbll=-34.854406,138.535454panoid=A6Al6CHbuWxD2rMFncHI3Acbp=12,354.25,,0,21.14

Same answer?

 You can actually see informal footways/paths quite well in aerial
 imagery. If they are there and you have good resolution images.
 Usually the grass is only beneath then, because grass doesn't grow where
 people (or animals) walk (frequently). It disappears even if it was there 
 before.

 Well, all the places where I'd tag a footway are places where people
 walk.

 +1. People can walk on almost every grass covered area, but I wouldn't
 invent footways just because you can walk there, I would tag them
 where people actually do walk.

Okay, but you're the only one who brought up tagging footways in the
middle of nowhere, just because there's grass there.

Grass is a legitimate surface for a footway.  That doesn't mean that
all grass is part of a footway, any more than all asphalt is part of a
road.

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-- 
John F. Eldredge -- j...@jfeldredge.com
Reserve your right to think, for even to think wrongly is better than not to 
think at all. -- Hypatia of Alexandria
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Re: [Tagging] Non Proposed Features

2010-08-30 Thread John F. Eldredge
I would expect that case (c) would still have the water flowing downhill.  Even 
if you have a series of pumps, water in the sections between the pumps will 
still flow downhill, not uphill.  About the only time I would expect any 
counterflow would be if water were to be added to a given section rapidly 
enough that its surface level was temporarily higher than in the upstream 
section, making that a downhill flow also.

---Original Email---
Subject :Re: [Tagging] Non Proposed Features
From  :mailto:nerou...@gmail.com
Date  :Mon Aug 30 20:44:53 America/Chicago 2010


On Mon, Aug 30, 2010 at 5:11 PM, Cartinus carti...@xs4all.nl wrote:
 On Monday 30 August 2010 19:19:21 Nathan Edgars II wrote:
 How else would you tag water flow?

 Somewhere, probably lost in the depths of time, it was agreed that waterflow
 is modeled by the direction of the waterway way without a oneway tag.

 Oops it's not lost. It's on the waterway=river and waterway=stream wiki pages.

So how do you specify that (a) you mapped a waterway but don't know
the direction of flow, (b) it's a stagnant channel with no real flow,
or (c) it's an artificial drainage canal with flow changing based on
rainfall and opening or closing of gates?

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-- 
John F. Eldredge -- j...@jfeldredge.com
Reserve your right to think, for even to think wrongly is better than not to 
think at all. -- Hypatia of Alexandria
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Re: [Tagging] Non Proposed Features

2010-08-30 Thread Nathan Edgars II
On Mon, Aug 30, 2010 at 10:10 PM, John F. Eldredge j...@jfeldredge.com wrote:
 ---Original Email---
 Subject :Re: [Tagging] Non Proposed Features
 From  :mailto:nerou...@gmail.com
 Date  :Mon Aug 30 20:44:53 America/Chicago 2010
 So how do you specify that (a) you mapped a waterway but don't know
 the direction of flow, (b) it's a stagnant channel with no real flow,
 or (c) it's an artificial drainage canal with flow changing based on
 rainfall and opening or closing of gates?

 I would expect that case (c) would still have the water flowing downhill.  
 Even if you have a series of pumps, water in the sections between the pumps 
 will still flow downhill, not uphill.  About the only time I would expect any 
 counterflow would be if water were to be added to a given section rapidly 
 enough that its surface level was temporarily higher than in the upstream 
 section, making that a downhill flow also.

Depends. The canals may be flat (or nearly so, such that one can't
know which way is downhill) and managed by pumps. I believe this is
common in reclaimed swamp lands.

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Re: [Tagging] No proposal labeling

2010-08-30 Thread John Smith
2010/8/31 Matthias Meißer dig...@arcor.de:
 This results in the funny situation that I have to do a proposal to
 modify/extend a non proposed feature that is in conflict on the list ;)

Are you talking about scuba diving centres?

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Re: [Tagging] No proposal labeling

2010-08-30 Thread Matthias Meißer
Sry I don't understand your point. If you limit a sports shop saying 
sports=football it is clear that he spots on football related things 
only, right?


Matthias

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Re: [Tagging] Non Proposed Features

2010-08-30 Thread Matthias Meißer
If you procedd posting culvert related mails under this general topic 
nodoby will be able to find them in the future. So please return to the 
right discussion topic.


Matthias

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Re: [Tagging] No proposal labeling

2010-08-30 Thread Liz
On Tue, 31 Aug 2010, Matthias Meißer wrote:
 Sry I don't understand your point. If you limit a sports shop saying 
 sports=football it is clear that he spots on football related things 
 only, right?

well that would be four different sports covered immediately in Australia

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