Re: [Talk-us] Beaver dam? Wrecked bridge? Hallucinatory roads in TIGER?

2014-12-22 Thread Bryce Nesbitt
I've frequently wanted to map the trails that peter out for exactly the
reason you state.

The choices as a mapper seem wrong:
1) Map the trail : thus encouraging use of a flawed route.
2) Don't map the trail.  The casual map reader thinks OSM is missing
something.


Possible solutions include a node type of becomes indistinct, or dead
end.
How to mark the way is trickier.
___
Talk-us mailing list
Talk-us@openstreetmap.org
https://lists.openstreetmap.org/listinfo/talk-us


Re: [Talk-us] Beaver dam? Wrecked bridge? Hallucinatory roads in TIGER?

2014-12-22 Thread Richard Welty

On 12/22/14 3:27 AM, Bryce Nesbitt wrote:
I've frequently wanted to map the trails that peter out for exactly 
the reason you state.


The choices as a mapper seem wrong:
1) Map the trail : thus encouraging use of a flawed route.
2) Don't map the trail.  The casual map reader thinks OSM is missing 
something.



Possible solutions include a node type of becomes indistinct, or 
dead end.

How to mark the way is trickier.

perhaps a new access tag..

access=deprecated
access=not_recommended

something else?

richard

--
rwe...@averillpark.net
 Averill Park Networking - GIS  IT Consulting
 OpenStreetMap - PostgreSQL - Linux
 Java - Web Applications - Search

___
Talk-us mailing list
Talk-us@openstreetmap.org
https://lists.openstreetmap.org/listinfo/talk-us


Re: [Talk-us] Beaver dam? Wrecked bridge? Hallucinatory roads in TIGER?

2014-12-22 Thread Jack Burke
access=use_at_your_own_risk

access=two_paths_diverged_in_a_yellow_wood

access=choose_wisely

access=plugh

access=xyzzy

?

-jack


On December 22, 2014 10:06:15 AM EST, Richard Welty rwe...@averillpark.net 
wrote:
On 12/22/14 3:27 AM, Bryce Nesbitt wrote:
 I've frequently wanted to map the trails that peter out for exactly

 the reason you state.

 The choices as a mapper seem wrong:
 1) Map the trail : thus encouraging use of a flawed route.
 2) Don't map the trail.  The casual map reader thinks OSM is missing 
 something.


 Possible solutions include a node type of becomes indistinct, or 
 dead end.
 How to mark the way is trickier.
perhaps a new access tag..

access=deprecated
access=not_recommended

something else?

richard

-- 
rwe...@averillpark.net
  Averill Park Networking - GIS  IT Consulting
  OpenStreetMap - PostgreSQL - Linux
  Java - Web Applications - Search





___
Talk-us mailing list
Talk-us@openstreetmap.org
https://lists.openstreetmap.org/listinfo/talk-us

-- 
Typos courtesy of fancy auto-spell technology. ___
Talk-us mailing list
Talk-us@openstreetmap.org
https://lists.openstreetmap.org/listinfo/talk-us


Re: [Talk-us] Beaver dam? Wrecked bridge? Hallucinatory roads in TIGER?

2014-12-22 Thread Harald Kliems
Access tags seem inappropriate to me in this case. I would only tag the
last node as noexit=yes (http://wiki.openstreetmap.org/wiki/Key:noexit) as
a way of making clear that the trail does indeed end and hasn't just not
been mapped. Leave the rest to the users of the map -- maybe there is
actually a great spot for hunting/geocaching/sunbathing/beaver watching/
mushroom foraging at the end of the trail that you just don't know about.

 Harald.

On Mon Dec 22 2014 at 11:54:58 AM Jack Burke burke...@gmail.com wrote:

 access=use_at_your_own_risk

 access=two_paths_diverged_in_a_yellow_wood

 access=choose_wisely

 access=plugh

 access=xyzzy

 ?

 -jack


 On December 22, 2014 10:06:15 AM EST, Richard Welty 
 rwe...@averillpark.net wrote:

 On 12/22/14 3:27 AM, Bryce Nesbitt wrote:

   I've frequently wanted to map the trails that peter out for exactly
 the reason you state.

  The choices as a mapper seem wrong:
 1) Map the trail : thus encouraging use of a flawed route.
  2) Don't map the trail.  The casual map reader thinks OSM is missing
 something.


  Possible solutions include a node type of becomes indistinct, or
 dead end.
  How to mark the way is trickier.

 perhaps a new access tag..

 access=deprecated
 access=not_recommended

 something else?

 richard

 -- rwe...@averillpark.net
  Averill Park Networking - GIS  IT Consulting
  OpenStreetMap - PostgreSQL - Linux
  Java - Web Applications - Search

 Talk-us mailing list
 Talk-us@openstreetmap.org
 https://lists.openstreetmap.org/listinfo/talk-us


 --
 Typos courtesy of fancy auto-spell technology.
 ___
 Talk-us mailing list
 Talk-us@openstreetmap.org
 https://lists.openstreetmap.org/listinfo/talk-us

___
Talk-us mailing list
Talk-us@openstreetmap.org
https://lists.openstreetmap.org/listinfo/talk-us


Re: [Talk-us] Beaver dam? Wrecked bridge? Hallucinatory roads in TIGER?

2014-12-22 Thread stevea

Bryce writes:
I've frequently wanted to map the trails that peter out for 
exactly the reason you state.


The choices as a mapper seem wrong:
1) Map the trail : thus encouraging use of a flawed route.

2) Don't map the trail.  The casual map reader thinks OSM is missing 
something.


Possible solutions include a node type of becomes indistinct, or dead end.


I have seen mapped (and done so myself) to good effect the tag 
noexit=yes at the end of such a path.  This might or might not 
render (depends) similar to the German Dead End sign.



How to mark the way is trickier.


I have used tag trail_visibility [excellent, good, intermediate, 
bad, horrible, no] in decreasing quality to denote paths which 
eventually disappear.  I appreciate that our wiki characterizes no 
as mostly pathless and that excellent orientational skills are 
required.  This allows either a turn-back or bushwhacking, as the 
hiker desires.


SteveA
California

___
Talk-us mailing list
Talk-us@openstreetmap.org
https://lists.openstreetmap.org/listinfo/talk-us


[Talk-us] Beaver dam? Wrecked bridge? Hallucinatory roads in TIGER?

2014-12-20 Thread Kevin Kenny

I have what may be a seriously weird question.

I've been trying to clean up my GPS tracks and enter data for the 
Northville-Placid Trail in the Adirondacks. In the rare places that the 
trail does appear in TIGER, the data are wildly wrong, so I'm rerouting 
and retagging as I go. I'm also trying to create a route relation for 
the trail, since it has roadwalk sections.


The trail, being a wilderness trail (there are spots on it that are a 
good twenty miles from the nearest drivable road), has some 
interesting features.


In at least one place (44.07447,-74.28335, says GPS) the trail crosses 
an unnamed tributary of Pine Brook on a beaver dam that is visible in 
aerial images. https://flic.kr/p/pFf3TV Hikers who don't quite believe 
that the trail would do such a thing have created a use path extending 
up- and downstream that peters out in both directions. So - What's 
appropriate tagging for a way that uses a beaver dam?


In several other places, destroyed bridges either serve as landmarks 
https://flic.kr/p/oJrAXF  or even have had the stone of their footings 
repurposed to create a ford https://flic.kr/p/poN2vf  .  Is there 
tagging that makes sense for this situation?


Is it considered acceptable to delete ways that came in from TIGER and 
appear never to have existed? In this case, I speak of roads shown in 
TIGER where I've hiked across the routes and seen no sign of even an 
abandoned road - and I use century-old abandoned grades for off-trail 
hiking fairly often. I know what to look for even when the roadbed is 
grown to trees. For instance, to my eye, it's obvious that 
https://flic.kr/p/nouCUC was once a road. In some cases, I can't imagine 
what the TIGER people were smoking (and wish they'd share!).


--
73 de ke9tv/2, Kevin


___
Talk-us mailing list
Talk-us@openstreetmap.org
https://lists.openstreetmap.org/listinfo/talk-us


Re: [Talk-us] Beaver dam? Wrecked bridge? Hallucinatory roads in TIGER?

2014-12-20 Thread Bryan Housel

 On Dec 20, 2014, at 11:09 AM, Kevin Kenny kken...@nycap.rr.com wrote:
 
 In at least one place (44.07447,-74.28335, says GPS) the trail crosses an 
 unnamed tributary of Pine Brook on a beaver dam that is visible in aerial 
 images. https://flic.kr/p/pFf3TV Hikers who don't quite believe that the 
 trail would do such a thing have created a use path extending up- and 
 downstream that peters out in both directions. So - What's appropriate 
 tagging for a way that uses a beaver dam?

I’d just mark that section `ford=yes`.. or I guess `ford=beaver_dam` if you 
want to be clever.  
(The `ford` tag works like `bridge`)


 In several other places, destroyed bridges either serve as landmarks 
 https://flic.kr/p/oJrAXF  or even have had the stone of their footings 
 repurposed to create a ford https://flic.kr/p/poN2vf  .  Is there tagging 
 that makes sense for this situation?

Again, `ford=*`


 Is it considered acceptable to delete ways that came in from TIGER and appear 
 never to have existed? In this case, I speak of roads shown in TIGER where 
 I've hiked across the routes and seen no sign of even an abandoned road - and 
 I use century-old abandoned grades for off-trail hiking fairly often. I know 
 what to look for even when the roadbed is grown to trees. For instance, to my 
 eye, it's obvious that https://flic.kr/p/nouCUC was once a road. In some 
 cases, I can't imagine what the TIGER people were smoking (and wish they'd 
 share!).

Sure, I remove TIGER ways all the time.  If you have local knowledge of the 
area, feel free to change the map to match reality.


Thanks, Bryan


___
Talk-us mailing list
Talk-us@openstreetmap.org
https://lists.openstreetmap.org/listinfo/talk-us


Re: [Talk-us] Beaver dam? Wrecked bridge? Hallucinatory roads in TIGER?

2014-12-20 Thread Kevin Kenny

On 12/20/2014 11:36 AM, Harald Kliems wrote:

highway=service;service=beaver;pedestrian=permissive (assuming that it's
nice beavers)


I didn't meet the beavers. They were busy. You know beavers. One dam
project after another. :)


More seriously: Does it really matter that the way leads over a beaver
dam? On the linked picture it looks like a regular trail to me (no wet
feet or anything) and I'd just tag it as such. I guess in addition you
could tag the beaver dam itself.


I think that the cutesy 'ford=beaver_dam' might actually be appropriate.
What I'm trying to convey by tagging it is that the trail actually does
cross the dam. The picture doesn't convey the situation well, sorry!
The way the area is trodden suggests that almost everyone tries up- and
downstream first before realizing that the trail really does cross.

As far as wet feet go, on that trail, by the time you're that far in,
you have wet feel already. Guaranteed. You'll be walking along what
looks like an ordinary trail and all of a sudden sink into peat above
your boot tops. I fell in whitewater once and bogwater twice getting
my GPS tracks, which span only half the trail.

http://kbk.is-a-geek.net/catskills/test2.html?la=44.0756lo=-74.2810z=13 gives 
a feel for how soggy that general area is. It

includes several data layers that are not OSM: NHD, NED, and several
layers from the Adirondack Park Agency. And probably a few layers
that I'm failing to remember. Where two shorelines are shown, they
represent typical limits of seasonal inundation. Dashed blue boundaries
around wetlands represent ephemerally inundated emergent marsh.

I considered at one point
embarking on an import of APA's wetland and waterway polygons, to fill
in the largely blank map of the park, but decided against it for
a number of reasons:

(a) I didn't have a strategy for reconflation to maintain the data
moving forward.
(b) I wasn't entirely comfortable with even the generous license terms.
(To wit: These data may not be used for legal determinations. Please
credit use of this data set to the New York State Adirondack Park
Agency, Ray Brook, New York 12977.  Please send a copy of any reports
or papers in which these data were used or referenced to the above
address, Attention: Nancy Heath Librarian.)
(c) I was thinking about it at a time when a lot of discussion on
the imports mailing list was about how all imports are bad, because
they discourage the recruitment of new mappers.
(d) I decided I really didn't have time even to manage conflating the
data with even the sketchy stuff that's already in OSM.
(e) Detailed hydrographic data is probably outside OSM's ambit anyway.
I don't want to be accused of cluttering the map.

--
73 de ke9tv/2, Kevin

--
73 de ke9tv/2, Kevin

___
Talk-us mailing list
Talk-us@openstreetmap.org
https://lists.openstreetmap.org/listinfo/talk-us