Re: [Talk-us] LA part of the map essentially is unusable

2012-07-20 Thread Richard Fairhurst
Charlotte Wolter wrote:
> Got it. Thanks for the explanation.
> So, how do I "load shapefiles into a separate layer"? I need 
> someone to walk me through it. How would I do that, if I wanted to 
> get things like street names (and the other TIGER data)?

I'll post a how-to at the start of next week - the new version of P2 needs
to be deployed on the servers, but once that's done it'll be easy. And yes,
it'll include pulling through street names.

cheers
Richard





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Re: [Talk-us] Fwd: Re: Post bot cleanup

2012-07-20 Thread David ``Smith''
I've been having a bit of fun remapping unclean areas based on cleanmap and
remapping after the bot.  It's a bit like the initial TIGER cleanup, but
this time I feel extra pride at achieving even higher quality than in that
effort years ago.  (More experience, better tools, more familiarity with
tools, better imagery, etc)  I'll admit Columbus isn't as hard-hit as Los
Angeles, but having the right attutude might help cleaning up SoCal seem
less painful.  And if you could use another armchair mapper in the effort,
I'll try to bring my optimism with me.
On Jul 19, 2012 9:21 PM, "Paul Norman"  wrote:

> > From: Toby Murray [mailto:toby.mur...@gmail.com]
> > Subject: Re: [Talk-us] Fwd: Re: Post bot cleanup
> >
> > And this time to the list... (cures you, lack of reply-to!)
> >
> > On Thu, Jul 19, 2012 at 11:16 AM, the Old Topo Depot
> >  wrote:
> > >
> > > Toby's post yesterday using the modified live edit bot osmZmiany seems
> > > a good way to help focus on areas.  Toby, do you think it possible to
> > > serialize the state of the edits as you displayed yesterday so that
> > > they could be used as a zoomable reference to areas potentially
> > needing review ?
> >
> > Ehh... not sure OSMZmiany is the best tool for this. Once you get a lot
> > of nodes loaded in, it takes up a few hundred MB of RAM and performs
> > like crap. Like 5 seconds to zoom/pan. However I do have an idea or two
> > to make something that would work better. I will have to tinker with it
> > tonight and see if it is practical.
>
> I can build a .osc file that represents all the bot changes to a given
> square (e.g. LA)
> It'll take a bit of coding so I might not get it done today, but it
> shouldn't be too hard.
>
> >
> > > I'm also wondering if a routing regression suite exists anywhere that
> > > could be used to help identify broken interstates and other major
> > > ways, as the tagging changes and 2 node bridges that were likely
> > > deleted will take time to identify.
> >
> > There was something like this back when the TIGER import was new to help
> > people connect major highways across county lines. Does anyone know the
> > technical details or if it would be practical to bring back?
> > It is documented here:
> > http://wiki.openstreetmap.org/wiki/TIGER_fixup/250_cities/routing_grid
>
> I think it's practical, I've given some thought to doing this. Maybe query
> one of the routing services to build it.
>
>
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Re: [Talk-us] Fwd: Re: Post bot cleanup

2012-07-20 Thread Alexander Jones
David ``Smith'' wrote:

> I've been having a bit of fun remapping unclean areas based on cleanmap
> and
> remapping after the bot.  It's a bit like the initial TIGER cleanup, but
> this time I feel extra pride at achieving even higher quality than in that
> effort years ago.  (More experience, better tools, more familiarity with
> tools, better imagery, etc)  I'll admit Columbus isn't as hard-hit as Los
> Angeles, but having the right attutude might help cleaning up SoCal seem
> less painful.  And if you could use another armchair mapper in the effort,
> I'll try to bring my optimism with me.

Count me in too!

Alexander





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Re: [Talk-us] Post bot cleanup

2012-07-20 Thread Phil! Gold
* Mike N  [2012-07-19 17:01 -0400]:
>  FYI in South Carolina, I'm volunteering to clean up the
> northwestern part of the state because I have some local knowledge.

Cool.  I've just finished looking over I-20 and repairing all the roads
that were split to make bridges over it.  I mostly left them classified
highway=residential; I'd prefer to leave road classification to someone
more familiar with the area.

I plan to start cleaning up I-95 next; it looks like it's got big chunks
missing, among other problems.

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Re: [Talk-us] Post bot cleanup

2012-07-20 Thread Mike N

On 7/19/2012 4:22 PM, Martijn van Exel wrote:

Another thing I find is a lot of leftover stray nodes without any tags.
I select them in JOSM with type:node tags:0 -child and delete them in
one fell swoop.


 In many cases, I find it easier to retrieve and plop the TIGER road 
back in as a replacement and stitch the intersections, rather than 
connect-the-dots.  I figure that someone will run a global orphan node 
deletion bot some day.



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[Talk-us] Some observations and motivation

2012-07-20 Thread Alexander Jones
I know that this probably isn't the best forum for what I'm about to write, 
but I feel this should be heard by a wide audience. And yes, this is on-
topic.

-

What is OpenStreetMap? Well, the way I see it, OSM is a community. A 
community of volunteers, drawn together by the common goal of making this 
the best map in the world. Sometimes, we disagree on things. Whether it's 
tagging or policy, we work through this on a daily basis.

You see, I come from a free software world. Not unlike this project. I 
believe that if you see something wrong, you fix it yourself. You don't 
complain about issues. You come up with solutions. I don't claim to be the 
best mapper. Or the best at anything I do. But I give my best to OSM.

I think very highly of this project, and I dedicate much of my own time to 
improve it. With that said, there are problems that this project is 
currently facing. I would definitely recommend OpenStreetMap to anyone with 
an interest in mapping, and a sense of community. Sadly, though, I just feel 
that I can't recommend OSM, especially in its current state, to say, my non-
technical mother.

However, instead of assigning blame, I see this as a call to action. OSM 
isn't striving to be the best. It is the best. Not because it's the most 
complete, or the most usable, not even because it's free. No. OpenStreetMap 
is the best map in the world because it is built on the ideals of community. 
Community involvement drives this project. We would have nothing without 
this community. It's the best because it's ours.

So, let's stop bickering, and make it even better.

Alexander


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Re: [Talk-us] Some observations and motivation

2012-07-20 Thread Richard Weait
On Fri, Jul 20, 2012 at 10:18 AM, Alexander Jones  wrote:

[ many nice words ]

> So, let's stop bickering, and make it even better.

Let's shall.  :-)

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[Talk-us] Burbank, LA and beyond

2012-07-20 Thread Richard Weait
Hi all,

I've done some random cleanup in parts of LA.  Or Burbank of whatever.
 I'm not expert enough to recognize the sub-regional details of the
greater LA area. :-)

When a community member calls for help, there are many of us who like
to help.  In this case, I'd like some more help to let me help, if
that makes sense?  Here's the thing, I can un-knot older data and I
can reconcile TIGER / Aerial / old data, but I don't know where best
to apply my time.

What I _think_ is effective, is to tackle "the main arterials first"
to divide an area into smaller chunks.  And / or to fix the worst /
most-confusing stuff first.  Then other mappers can grab the smaller /
simpler chunks and tackle them.

I dove into a mostly random area that might be Burbank, and found that
portions of West Chandler Boulevard were missing, and I've fixed that.
 I've also reconnected intersections, re-aligned and named where
un-named from TIGER11.  Hopefully that will make it easier for more of
us to grab smaller adjoining areas and fix them as well.

A question though, for local experts, what are some other high value,
badly needing help, streets should I go after?  Could you list three
or four things others could do to help locally, that would allow you
to carry on yourself?

I think this divide and fix approach should work in most areas.  So,
where are you and what can we help you with, that will help your local
folks get back on your feet?

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Re: [Talk-us] Some observations and motivation

2012-07-20 Thread Martijn van Exel
Hey Alexander,

On Fri, Jul 20, 2012 at 8:18 AM, Alexander Jones  wrote:
> I know that this probably isn't the best forum for what I'm about to write,
> but I feel this should be heard by a wide audience. And yes, this is on-
> topic.
>
[...]
>
> So, let's stop bickering, and make it even better.
>

I don't think there is a wrong place to say these things.

One of the challenges of OpenStreetMap is that there is so many
communication channels: forum, IRC, mailing lists (many of them), wiki
talk pages, groups on third party web sites. It can be hard to figure
out which to use for which question or message. I'm often not sure
myself, and I have been with OSM since 2007.

Another challenge is that there are dozens if not hundreds of useful
tools to work with, visualize, analyze, convert and edit OSM data.
Most of these are geared towards users with some degree of technology
savvy. There is no lack of attempts to develop simpler tools in order
to reach a much wider audience, both on the contributor and the third
party developer side of things. Some of these attempts come from
inside the community (see Richard Fairhursts new iD editor[1] for
example). Some come from commercial third parties building a business
model around OSM: Cloudmade with MapZen and various developer tools,
MapQuest with various data and developer tools and services, and most
recently DevelopmentSeed with TileMill, MapBox and their work possibly
coming out of a Knight Foundation grant[2] (not awarded yet).

What I'm saying is: there is a lot of positive energy in and around
OpenStreetMap, and there are a lot of projects that could use your
(and all of our) help. If you're not a developer, there's also lots of
rewarding work beyond mapping for you. Help clean up and reorganize
the wiki. Help improve www.openstreetmap.us. Volunteer to help out at
the upcoming State Of The Map (US) conference. In any case: don't let
yourself be distracted by the occasional round of bickering. It
happens, and if you DNFTT, it will die down pretty quickly.

Happy mapping,
Martijn

[1] http://opengeodata.org/building-a-friendly-editor-for-openstreetmap
[2] 
http://newschallenge1.tumblr.com/post/19450699629/new-contribution-tools-for-openstreetmap

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Re: [Talk-us] LA part of the map essentially is unusable

2012-07-20 Thread Charlotte Wolter

Richard,

Terrific!  Thanks.

Charlotte


At 01:49 AM 7/20/2012, you wrote:

Charlotte Wolter wrote:
> Got it. Thanks for the explanation.
> So, how do I "load shapefiles into a separate layer"? I need
> someone to walk me through it. How would I do that, if I wanted to
> get things like street names (and the other TIGER data)?

I'll post a how-to at the start of next week - the new version of P2 needs
to be deployed on the servers, but once that's done it'll be easy. And yes,
it'll include pulling through street names.

cheers
Richard





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techl...@techlady.com
Skype: thetechlady

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Re: [Talk-us] LA part of the map essentially is unusable

2012-07-20 Thread Robert Kaiser

Charlotte Wolter schrieb:

 So, are you volunteering?  Anyone else?


Looks like people are stepping up anyhow. I'd more comfortable by fixing 
things "closer to home", i.e. in areas I actually know well enough 
personally. :)


Good luck with your work there, and I hope this all doesn't end up being 
too frustrating in the long run!


Robert Kaiser



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Re: [Talk-us] Fwd: Re: Post bot cleanup

2012-07-20 Thread Kai Krueger

Paul Norman wrote
> 
>> From: Toby Murray [mailto:toby.murray@]
>> Subject: Re: [Talk-us] Fwd: Re: Post bot cleanup
>> 
>> 
>> > I'm also wondering if a routing regression suite exists anywhere that
>> > could be used to help identify broken interstates and other major
>> > ways, as the tagging changes and 2 node bridges that were likely
>> > deleted will take time to identify.
>> 
>> There was something like this back when the TIGER import was new to help
>> people connect major highways across county lines. Does anyone know the
>> technical details or if it would be practical to bring back?
>> It is documented here:
>> http://wiki.openstreetmap.org/wiki/TIGER_fixup/250_cities/routing_grid
> 
> I think it's practical, I've given some thought to doing this. Maybe query
> one of the routing services to build it.
> 

OK, I have had a first stab at it.

http://apmon.dev.openstreetmap.org/us_routing_grid.html

It is only 25 cities so far, but if it turns out to be useful it can easily
be extended to more cities.

The big problem though is automatically figuring out if routes are broken or
not and then colour them red or green accordingly. At the moment it doesn't
do this at all.

Anyone have some good ideas for this?

The routing information is obtained from "Open Source Routing Machine",
which is amazingly fast at calculating all of these long distance routes.
OSRM updates its data daily, so I think the routing data is based on OSM
data from yesterday. I.e. post redaction. If there is interest I could
regenerate this routing grid daily too.

Kai
 




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Re: [Talk-us] Fwd: Re: Post bot cleanup

2012-07-20 Thread Martijn van Exel
Hey,

On Fri, Jul 20, 2012 at 10:20 AM, Kai Krueger  wrote:
[..]
> OK, I have had a first stab at it.
>
> http://apmon.dev.openstreetmap.org/us_routing_grid.html
>
> It is only 25 cities so far, but if it turns out to be useful it can easily
> be extended to more cities.
>
> The big problem though is automatically figuring out if routes are broken or
> not and then colour them red or green accordingly. At the moment it doesn't
> do this at all.
>
> Anyone have some good ideas for this?

The 'easiest' way I see is to compare those results with the same
calculation based on data from a week or a month old. Wherever the
difference in time / distance is more than a certain threshold, say 5
or 10%, the route needs to be looked at.

More elaborate method  is to look at the spatial correlation between
old and new route, and make a map showing the routes where new
diverges from old more than a certain threshold.

That said, I don't really know how ot do either offhand, but hope it
helps anyway.

Martijn

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Re: [Talk-us] Fwd: Re: Post bot cleanup

2012-07-20 Thread the Old Topo Depot
I'm presuming that Kai's link is showing only current data.

So what's needed is

1.  A pre-redaction planet snapshot, loaded into a DB.
2.  An installation of the OSRM that uses 1 for its calculations
3.  Changes to Kai's work to look at both source, compute the deltas and
color the results appropriately
4.  Stuff I missed...

Can we install these components on the OSM US server(s), or does anyone
know if they're already available elsewhere ?


On Fri, Jul 20, 2012 at 9:30 AM, Martijn van Exel  wrote:

> Hey,
>
> On Fri, Jul 20, 2012 at 10:20 AM, Kai Krueger  wrote:
> [..]
> > OK, I have had a first stab at it.
> >
> > http://apmon.dev.openstreetmap.org/us_routing_grid.html
> >
> > It is only 25 cities so far, but if it turns out to be useful it can
> easily
> > be extended to more cities.
> >
> > The big problem though is automatically figuring out if routes are
> broken or
> > not and then colour them red or green accordingly. At the moment it
> doesn't
> > do this at all.
> >
> > Anyone have some good ideas for this?
>
> The 'easiest' way I see is to compare those results with the same
> calculation based on data from a week or a month old. Wherever the
> difference in time / distance is more than a certain threshold, say 5
> or 10%, the route needs to be looked at.
>
> More elaborate method  is to look at the spatial correlation between
> old and new route, and make a map showing the routes where new
> diverges from old more than a certain threshold.
>
> That said, I don't really know how ot do either offhand, but hope it
> helps anyway.
>
> Martijn
>
> --
> martijn van exel
> http://oegeo.wordpress.com
>
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Re: [Talk-us] Map of bot node edits -- working on I 40

2012-07-20 Thread Charlotte Wolter

Hello,

It was suggested that we tell the list which interstates we 
are working on to avoid conflicts. Toby's new tool just alerted me to 
issues on I-40 west of Flagstaff. Since I know that road well, I have 
started work on them.
I also did a lot of work on I-40 from Gallup to Flagstaff, 
and that has fewer issues, so I'll do that next unless someone else 
is working on it.
Also, we probably should communicate about the interstates 
using our OSM inboxes so we don't flood the list with stuff. I'm techlady.


Charlotte



At 11:57 PM 7/19/2012, you wrote:

Alright... I got something running.

http://ni.kwsn.net/~toby/OSM/maps/redaction.html

It is a map that shows all nodes (but ONLY nodes) touched by the bot
in the US and Canada. Actually I thought I was doing only the lower 48
but apparently Maperitive decided that I wanted more. I think it cuts
off at about 67 degrees north.  Red means a node was deleted, blue
means it was modified. "Modified" could mean location change and/or
tag changes. It only goes up to zoom 11 and that will probably be all.
This is partially technical (I'm rendering tiles using Maperitive
and pushing its limits already) and partially legal. This is not
intended as a map to let you retrieve the location of deleted nodes by
decliners. It is simply a guide to finding out where the bot had the
most impact and to direct remapping efforts.

Also, there will be no updates to this map. There isn't much to update
once a node is deleted and redacted. So don't expect things to
disappear as you remap.

Anyway, Hope it helps a little. I have a couple of ideas for other
layers too. I'll have to see what I can come up with this weekend.

Toby

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Re: [Talk-us] Map of bot node edits

2012-07-20 Thread Sax-Barnett, Melelani
Toby said:

>Alright... I got something running.

>http://ni.kwsn.net/~toby/OSM/maps/redaction.html

Thanks, Toby! I would love to see it zoomed in a little more if you get around 
to it.

I also wanted to share a strategy with everyone that I'm using for finding the 
ways that were edited by the redaction bot:

Step 1) Subscribe to ITO OSM Mapper 
http://www.itoworld.com/static/openstreetmap_tools/osm_mapper.html (it's free 
and just takes a minute)
Step 2) Set up an area or areas that you are interested in for viewing
Step 3) View by sessions to help you find the OSMF Redaction Account User, and 
click on that user
Step 4) Export to KML
Step 5) Use your method of choice to convert this KML to OSM ( I brought it 
into QuantumGIS, then merged a few files together before saving out as a 
shapefile. Then I used ogr-to-osm to create the .osm file )
Step 6) Use the .osm file as a diff in JOSM/your editor of choice to check each 
way one-by-one. Delete as you go.

I hope some of you find this useful! This is what my coworker and I will be 
using for the larger Portland, OR area, though we've already found & fixed some 
problems in the meantime.

My best,
Mele Sax-Barnett
TriMet GIS - OpenStreetMap Improvement Project
http://www.openstreetmap.org/user/Mele%20Sax-Barnett
twitter @pdxmele

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[Talk-us] Routing tests

2012-07-20 Thread Toby Murray
I think this topic deserves its own thread.

On Fri, Jul 20, 2012 at 11:20 AM, Kai Krueger  wrote:
>
> OK, I have had a first stab at it.
>
> http://apmon.dev.openstreetmap.org/us_routing_grid.html
>
> It is only 25 cities so far, but if it turns out to be useful it can easily
> be extended to more cities.
>
> The big problem though is automatically figuring out if routes are broken or
> not and then colour them red or green accordingly. At the moment it doesn't
> do this at all.
>
> Anyone have some good ideas for this?
>
> The routing information is obtained from "Open Source Routing Machine",
> which is amazingly fast at calculating all of these long distance routes.
> OSRM updates its data daily, so I think the routing data is based on OSM
> data from yesterday. I.e. post redaction. If there is interest I could
> regenerate this routing grid daily too.


According to the wiki page, the old system used the as-the-crow-flies
distance between two cities as a basis. If it was more than 50%
longer, something is wrong. Not sure if that would still give
appropriate results or not though... There may be enough connectedness
now on secondary roads that the distance isn't off by quite that much
any more even with routing problems. I just did a route on OSRM from
NY to LA and it came out to just under 3,000 miles which seems about
right but there are some obvious routing errors. For example it gets
off of I-70 and goes through town in Saint Clairsville, Ohio but it is
about the same distance so things like this won't show up in the grid.
H

Toby

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Re: [Talk-us] Routing tests

2012-07-20 Thread the Old Topo Depot
It may appropriate to consider several metrics, but I also think it
important to get a first version running.  Another way of saying this is
 iterate and add refinements over time.

Metrics to consider (pre vs post redaction) in roughly order of complexity:

1. Distance of route (using segment lengths, not end point to end point)
2. Number of ways/way segments traversed (rough but perhaps useful)
3. Actual route.  For example, in the case of NY to LA, it is reasonable to
expect that once the route enters a motorway at one end, it will stay on
motorways or motorway_links until near the endpoint.  It might be
appropriate to run both directions and use the first entry into a motorway
at either end as the "near the endpoint" locations.  This might be computed
using pre-redaction data.
4.  Over time, as fixes are applied, tighten difference checks to finer
precision results.


On Fri, Jul 20, 2012 at 12:24 PM, Toby Murray  wrote:

> I think this topic deserves its own thread.
>
> On Fri, Jul 20, 2012 at 11:20 AM, Kai Krueger  wrote:
> >
> > OK, I have had a first stab at it.
> >
> > http://apmon.dev.openstreetmap.org/us_routing_grid.html
> >
> > It is only 25 cities so far, but if it turns out to be useful it can
> easily
> > be extended to more cities.
> >
> > The big problem though is automatically figuring out if routes are
> broken or
> > not and then colour them red or green accordingly. At the moment it
> doesn't
> > do this at all.
> >
> > Anyone have some good ideas for this?
> >
> > The routing information is obtained from "Open Source Routing Machine",
> > which is amazingly fast at calculating all of these long distance routes.
> > OSRM updates its data daily, so I think the routing data is based on OSM
> > data from yesterday. I.e. post redaction. If there is interest I could
> > regenerate this routing grid daily too.
>
>
> According to the wiki page, the old system used the as-the-crow-flies
> distance between two cities as a basis. If it was more than 50%
> longer, something is wrong. Not sure if that would still give
> appropriate results or not though... There may be enough connectedness
> now on secondary roads that the distance isn't off by quite that much
> any more even with routing problems. I just did a route on OSRM from
> NY to LA and it came out to just under 3,000 miles which seems about
> right but there are some obvious routing errors. For example it gets
> off of I-70 and goes through town in Saint Clairsville, Ohio but it is
> about the same distance so things like this won't show up in the grid.
> H
>
> Toby
>
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[Talk-us] Starting OSM Trail Map Initiative In US

2012-07-20 Thread Fred Gifford
Hi all,

I am starting the process of pulling together a group to focus on updating
and expanding trail data in OSM. The initial focus would be in the US
but we are hoping the model could expand to other areas as well.

Initially the project would have two main focus areas –
- Focused effort to gather public domain trail data and use it to
update existing trail data in OSM through hybrid editing \ bulk upload
methodology.
- Build a custom version of Potlatch focused on trail mapping
- Building trail mapping communities in the US.

Here is where things get a little different than other similar efforts
–  I want much of the work to be done by paid interns and I want to
fund it initially through Kickstarter and later though donations.

I’d be interested to hear anyones thoughts, concerns, etc, and of
course would love to know if anyone is interested in participating.

Thanks.

Fred

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Re: [Talk-us] Fwd: Re: Post bot cleanup

2012-07-20 Thread Richard Weait
On Fri, Jul 20, 2012 at 12:20 PM, Kai Krueger  wrote:
[ ... ]
> OK, I have had a first stab at it.
>
> http://apmon.dev.openstreetmap.org/us_routing_grid.html
>
> It is only 25 cities so far, but if it turns out to be useful it can easily
> be extended to more cities.
>
> The big problem though is automatically figuring out if routes are broken or
> not and then colour them red or green accordingly. At the moment it doesn't
> do this at all.
>
> Anyone have some good ideas for this?

Count the number of "turns of 45 degree heading or more"?  Check the
high-turn-count routes first?  I dunno.

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[Talk-us] OSM is pretty

2012-07-20 Thread Martijn van Exel
I was just randomly browsing the map and happened upon the Epcot center:

http://www.openstreetmap.org/?lat=28.373&lon=-81.5483&zoom=17&layers=M

That's one pretty looking map!

-- 
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Re: [Talk-us] OSM is pretty

2012-07-20 Thread Mike N

On 7/20/2012 4:46 PM, Martijn van Exel wrote:

I was just randomly browsing the map and happened upon the Epcot center:

http://www.openstreetmap.org/?lat=28.373&lon=-81.5483&zoom=17&layers=M

That's one pretty looking map!


  Agreed!   I made use of it just a few weeks ago.


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Re: [Talk-us] LA part of the map essentially is unusable

2012-07-20 Thread jeremy jozwik
so i have been running around the los angles area trying to rebuild
the map. and i have found the area in orange county along the 405
before i-5 is completely gone. i would say the map has been reverted
to its state about 3 years ago. anyone looking to map should start
helping me out in that area.

Kthnxbye...

On Fri, Jul 20, 2012 at 9:06 AM, Robert Kaiser  wrote:
> Charlotte Wolter schrieb:
>
>>  So, are you volunteering?  Anyone else?
>
>
> Looks like people are stepping up anyhow. I'd more comfortable by fixing
> things "closer to home", i.e. in areas I actually know well enough
> personally. :)
>
> Good luck with your work there, and I hope this all doesn't end up being too
> frustrating in the long run!
>
>
> Robert Kaiser
>
>
>
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Re: [Talk-us] Starting OSM Trail Map Initiative In US

2012-07-20 Thread Mike Thompson
Fred,

I think it is a great idea to focus on trails.  In my opinion, this
would be a great use of OSM.

In my area OSM already has data that in many cases is better than
publicly available data.  Best way to get this data is to turn on the
GPS and go for a hike or bike ride.

One area we could work on is improving tagging.  In many cases the
only tag is "highway=path"

Has anyone tried to work with local hiking/mountain clubs on mapping trails?

Mike

On Fri, Jul 20, 2012 at 2:17 PM, Fred Gifford  wrote:
> Hi all,
>
> I am starting the process of pulling together a group to focus on updating
> and expanding trail data in OSM. The initial focus would be in the US
> but we are hoping the model could expand to other areas as well.
>
> Initially the project would have two main focus areas –
> - Focused effort to gather public domain trail data and use it to
> update existing trail data in OSM through hybrid editing \ bulk upload
> methodology.
> - Build a custom version of Potlatch focused on trail mapping
> - Building trail mapping communities in the US.
>
> Here is where things get a little different than other similar efforts
> –  I want much of the work to be done by paid interns and I want to
> fund it initially through Kickstarter and later though donations.
>
> I’d be interested to hear anyones thoughts, concerns, etc, and of
> course would love to know if anyone is interested in participating.
>
> Thanks.
>
> Fred
>
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Re: [Talk-us] Starting OSM Trail Map Initiative In US

2012-07-20 Thread Apollinaris Schöll
On Fri, Jul 20, 2012 at 1:17 PM, Fred Gifford wrote:

> Hi all,
>
> Initially the project would have two main focus areas –
> - Focused effort to gather public domain trail data and use it to
> update existing trail data in OSM through hybrid editing \ bulk upload
> methodology.
>

please no bulk upload. public data isn't always up to date and really needs
a review. if a trail is missing it's not a big deal when you have an
additional option. But if you plan a long hike and a trail is no passable
anymore it can be really dangerous.  And special tags have to be verified
on the ground. There is no way to do that as an armchair mapper.
essentially quality is more important than quantity.

Here is where things get a little different than other similar efforts
> –  I want much of the work to be done by paid interns and I want to
> fund it initially through Kickstarter and later though donations.
>
>
I recommend to search in the archives of t...@openstreetmap.org about
opinions and experience with paid mapping. It's not very positive.


> I’d be interested to hear anyones thoughts, concerns, etc, and of
> course would love to know if anyone is interested in participating.
>
>
I think it's important to get more people interested. especially from other
outdoor related groups like Sierra club and other mountaineering clubs,
geocacher. mountain biker ...
 These people understand the requirements. A paid intern with no hiking
experience is of little use.


> Thanks.
>
> Fred
>
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Re: [Talk-us] Starting OSM Trail Map Initiative In US

2012-07-20 Thread Greg Troxel

Fred Gifford  writes:

> I am starting the process of pulling together a group to focus on updating
> and expanding trail data in OSM. The initial focus would be in the US
> but we are hoping the model could expand to other areas as well.

You should first assess how things are; OSM trail data is generally
better than most other maps .

> Initially the project would have two main focus areas –
> - Focused effort to gather public domain trail data and use it to
> update existing trail data in OSM through hybrid editing \ bulk upload
> methodology.

I am skeptical.  I am in Massachusetts, which has good public state GIS
data, and there doesn't seem to be trail data.  I think these data
sources should be used with human guidance.

> - Build a custom version of Potlatch focused on trail mapping

I really don't get this comment - what are you trying to do that is
currently awkward?  I use JOSM for editing trails (to avoid bad karma
From nonportable and proprietary Flash), but I don't find trails to be
particularly special in terms of editor support.

Put another way, what do editors do or not do about trails that you want
to change?

> - Building trail mapping communities in the US.

Indeed, that is the key point.  You might consider sending interns to
give presentations at conversation groups, etc.  But that sounds a
little like Community Ambassadors :-)

> Here is where things get a little different than other similar efforts
> –  I want much of the work to be done by paid interns and I want to
> fund it initially through Kickstarter and later though donations.

It's really hard to tell what your primary goals are and what decisions
are driven by those goals


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Re: [Talk-us] Starting OSM Trail Map Initiative In US

2012-07-20 Thread Apollinaris Schöll
On Fri, Jul 20, 2012 at 3:34 PM, Mike Thompson  wrote:

>
> Has anyone tried to work with local hiking/mountain clubs on mapping
> trails?
>
> I know one guy from the sierra club. He is organizing hikes for the club
year round and turns them into mapping parties for anyone interested. They
go for a drink after the hike and he will show how to record tracks and add
them to osm.
It's mostly bay area and nearby.

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[Talk-us] Tracking Interstate Work Progress on OSM Wiki

2012-07-20 Thread the Old Topo Depot
What do folks on the list think of using a page such as

http://wiki.openstreetmap.org/wiki/User:JohnANovak/Interstates

to track progress on Interstates (and similarly for other major road
classes as well)

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Re: [Talk-us] Tracking Interstate Work Progress on OSM Wiki

2012-07-20 Thread Paul Johnson
On Fri, Jul 20, 2012 at 4:44 PM, the Old Topo Depot
wrote:

> What do folks on the list think of using a page such as
>
> http://wiki.openstreetmap.org/wiki/User:JohnANovak/Interstates
>
> to track progress on Interstates (and similarly for other major road
> classes as well)
>

Not bad.  I've been tracking relations I've started on relevant locale
pages, such as http://wiki.openstreetmap.org/wiki/Oklahoma and
http://wiki.openstreetmap.org/wiki/Portland.  I wonder if there's a way to
make a template that can be centrally maintained for consistency for these
tables.
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Re: [Talk-us] [Rebuild] Moving/Deleting Roads

2012-07-20 Thread Richard Weait
On Fri, Jul 20, 2012 at 8:39 PM, jeremy jozwik  wrote:
> yes, most of the OC is a cluster %^$#. i gave up because it was too
> overwhelming.

"Take smaller bites."  :-)  Rome (New York) wasn't mapped in a day. :-)

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Re: [Talk-us] Starting OSM Trail Map Initiative In US

2012-07-20 Thread Richard Weait
On Fri, Jul 20, 2012 at 7:02 PM, Greg Troxel  wrote:
>
> Fred Gifford  writes:
[ ... ]
>> - Building trail mapping communities in the US.
>
> Indeed, that is the key point.

I think this is the best way to success.  You could even leave out the
"trail" and it will have a positive effect on your trails.  If you
inspire a new mapper to add parking lots and water fountains, some of
those may intersect with the interests of your trail users.

I can't think of a good substitute for a motivated local mapper.
Daniel Begin said this recently on talk-ca:

"You'll find that there is nothing better than an active community to
find odd features in authoritative data!"

Daniel knows of what he speaks, he works at the Canadian National
Mapping Agency and has been participating in OSM for several years.
He publishes authoritative data collected by paid professionals, with
what I presume is top notch equipment.  And the OSM community of
enthusiastic amateurs finds and fixes odd features and errors.

I don't think that you can get that nearly obsessive attention to
detail across a large area. It takes a _personal_ interest in the
data.  I think of that area of obsessive interest and perhaps
encyclopaedic knowledge as the natural range of a mapper.

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Re: [Talk-us] Starting OSM Trail Map Initiative In US

2012-07-20 Thread Mike Thompson
> please no bulk upload. public data isn't always up to date and really needs
> a review. if a trail is missing it's not a big deal when you have an
> additional option. But if you plan a long hike and a trail is no passable
> anymore it can be really dangerous.
+1

>And special tags have to be verified on
> the ground. There is no way to do that as an armchair mapper. essentially
> quality is more important than quantity.
Agreed!  Didn't mean to imply that armchair mappers could/should be
doing this, although I realize I wasn't clear.If we are going to
work on improving trail data by building the community, working with
hiking/biking/etc groups, improving tools (not sure if this is
needed), then I recommend that tagging be at least a small part of the
focus.  As already observed, in many cases the trail geometry in OSM
is already better than any other source.

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Re: [Talk-us] Starting OSM Trail Map Initiative In US

2012-07-20 Thread Mike Thompson
> - Focused effort to gather public domain trail data and use it to
> update existing trail data in OSM through hybrid editing \ bulk upload
> methodology.
Just and idea for the community's consideration: as an avid trail user
and mapper, the one type of bulk upload that would interest me would
be the balance of the NHD data.  It appears that this has not been
completed.  I am too busy hiking trails gathering GPS traces to do
this myself, and I am not sure I want to venture into "bulk upload
land."

Mike

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Re: [Talk-us] Fwd: Re: Post bot cleanup

2012-07-20 Thread Kai Krueger

Martijn van Exel-3 wrote
> 
>>
>> The big problem though is automatically figuring out if routes are broken
>> or
>> not and then colour them red or green accordingly. At the moment it
>> doesn't
>> do this at all.
>>
>> Anyone have some good ideas for this?
> 
> The 'easiest' way I see is to compare those results with the same
> calculation based on data from a week or a month old. Wherever the
> difference in time / distance is more than a certain threshold, say 5
> or 10%, the route needs to be looked at.
> 

OK, I have done something similar now, just that I used google calculated
routes as a reference. Those routes that are more than 5% longer either in
distance or time are flagged as red, others are green.

This isn't perfect, but at least it gives a good first indication of which
routes are broken and hopefully as people continue fixing the interstate
system more and more routes will turn green.

The updated version is at the same URL as before (
http://apmon.dev.openstreetmap.org/us_routing_grid.html )

Kai




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Re: [Talk-us] Fwd: Re: Post bot cleanup

2012-07-20 Thread James Mast




Very nice Kai.  However, I'd like to suggest a few more cities that might be of 
use for that.
 
Pittsburgh
Cleveland
Las Vegas
Toronto, Ontario (mainly because you added Winnipeg)
 
-James
 
> Date: Fri, 20 Jul 2012 20:28:16 -0700
> From: kakrue...@gmail.com
> To: talk-us@openstreetmap.org
> Subject: Re: [Talk-us] Fwd: Re: Post bot cleanup
> 
> 
> Martijn van Exel-3 wrote
> > 
> >>
> >> The big problem though is automatically figuring out if routes are broken
> >> or
> >> not and then colour them red or green accordingly. At the moment it
> >> doesn't
> >> do this at all.
> >>
> >> Anyone have some good ideas for this?
> > 
> > The 'easiest' way I see is to compare those results with the same
> > calculation based on data from a week or a month old. Wherever the
> > difference in time / distance is more than a certain threshold, say 5
> > or 10%, the route needs to be looked at.
> > 
> 
> OK, I have done something similar now, just that I used google calculated
> routes as a reference. Those routes that are more than 5% longer either in
> distance or time are flagged as red, others are green.
> 
> This isn't perfect, but at least it gives a good first indication of which
> routes are broken and hopefully as people continue fixing the interstate
> system more and more routes will turn green.
> 
> The updated version is at the same URL as before (
> http://apmon.dev.openstreetmap.org/us_routing_grid.html )
> 
> Kai
> 
> 
> 
> 
> --
> View this message in context: 
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> Sent from the USA mailing list archive at Nabble.com.
> 
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Re: [Talk-us] Fwd: Re: Post bot cleanup

2012-07-20 Thread the Old Topo Depot
Most Excellent, and perhaps we should move this to Toby's routing thread ;-)

On Fri, Jul 20, 2012 at 8:37 PM, James Mast wrote:

>  Very nice Kai.  However, I'd like to suggest a few more cities that
> might be of use for that.
>
> Pittsburgh
> Cleveland
> Las Vegas
> Toronto, Ontario (mainly because you added Winnipeg)
>
> -James
>
> > Date: Fri, 20 Jul 2012 20:28:16 -0700
> > From: kakrue...@gmail.com
> > To: talk-us@openstreetmap.org
>
> > Subject: Re: [Talk-us] Fwd: Re: Post bot cleanup
> >
> >
> > Martijn van Exel-3 wrote
> > >
> > >>
> > >> The big problem though is automatically figuring out if routes are
> broken
> > >> or
> > >> not and then colour them red or green accordingly. At the moment it
> > >> doesn't
> > >> do this at all.
> > >>
> > >> Anyone have some good ideas for this?
> > >
> > > The 'easiest' way I see is to compare those results with the same
> > > calculation based on data from a week or a month old. Wherever the
> > > difference in time / distance is more than a certain threshold, say 5
> > > or 10%, the route needs to be looked at.
> > >
> >
> > OK, I have done something similar now, just that I used google calculated
> > routes as a reference. Those routes that are more than 5% longer either
> in
> > distance or time are flagged as red, others are green.
> >
> > This isn't perfect, but at least it gives a good first indication of
> which
> > routes are broken and hopefully as people continue fixing the interstate
> > system more and more routes will turn green.
> >
> > The updated version is at the same URL as before (
> > http://apmon.dev.openstreetmap.org/us_routing_grid.html )
> >
> > Kai
> >
> >
> >
> >
> > --
> > View this message in context:
> http://gis.19327.n5.nabble.com/Re-Fwd-Re-Post-bot-cleanup-tp5717310p5717675.html
> > Sent from the USA mailing list archive at Nabble.com.
> >
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Re: [Talk-us] Map of bot node edits

2012-07-20 Thread Toby Murray
On Fri, Jul 20, 2012 at 1:25 PM, Sax-Barnett, Melelani
 wrote:
> Toby said:
>
>>Alright... I got something running.
>
>>http://ni.kwsn.net/~toby/OSM/maps/redaction.html
>
> Thanks, Toby! I would love to see it zoomed in a little more if you get 
> around to it.

Today I added zoom 12. I could in theory do even more in selected
areas. Although It looks like Frederik is looking at adding something
similar to OSM Inspector so I probably won't mess with it too much
more.

Toby

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