Re: [Talk-us] United States Bicycle Route System ballot(s) pending AASHTO approval

2020-09-21 Thread Eric H. Christensen via Talk-us
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‐‐‐ Original Message ‐‐‐
On Friday, September 18, 2020 1:53 PM, stevea  wrote:

> There are at least four new national bicycle routes "pending" in the USBRS! 
> (Ballots by state Departments of Transportation before AASHTO's Autumn 2020 
> round):

> USBR 201 in Maryland.

This one has now been completed.  The way is only good in one direction 
(east-to-west), however, and doesn't take into account the dual carriageways 
along the way.  I like to see the nice, pretty straight line on the relation so 
I'm not sure if a separate relation is needed for going the opposite direction 
(east bound) or if one should just tag the other side of the road where 
applicable.  In any case, this is done for the most part.

- Sparks
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[Talk-us] Mapping the Future I-87?

2020-08-23 Thread Eric H. Christensen via Talk-us
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For the last few months, I've been seeing "Future I-87" signs along portions of 
US-64 and US-17 in North Carolina.  I-87[0] exists on a section of highway near 
Raleigh, NC, and will eventually extend to Norfolk, VA.

Should I start a relation for "Future I-87" and add those sections of highway 
that are already known to be part of the project to the relation?

Thanks,
Eric "Sparks"

[0] https://en.wikipedia.org/wiki/Interstate_87_(North_Carolina)





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[Talk-us] Marking structure as damaged or condemned

2020-08-05 Thread Eric H. Christensen via Talk-us
Tropical Storm Isaias left several homes in my neighborhood severely damaged 
and condemned.  Is there a proper way to map these structures?

Thanks,
Eric

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Re: [Talk-us] access=private on driveways

2020-07-14 Thread Eric H. Christensen via Talk-us
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‐‐‐ Original Message ‐‐‐
On Tuesday, July 14, 2020 10:15 AM, Matthew Woehlke  
wrote:

> The (possible) problem with having access implied by service=driveway is
> that a lot of access roads to stores/businesses/offices are also
> service=driveway... although I suppose you could argue these have the
> same semantics; you shouldn't be using them unless you're actually going
> to the location to which they provide access. (Which isn't to say that
> no one ever violates this...)

This ^^^ is, I believe, the crux of the matter.  Driveways shouldn't (or should 
rarely be) access=private as they are actually access=destination.  There are 
obvious times when you WANT someone to use your driveway.  Are there times to 
mark a highway=* as access=private?  Sure.  But I don't think driveways should 
be, by default, thought of as private when they are expected to be used by 
people with a valid need to access the property.  I believe that's what 
access=destination was designed for.  It works on driveways and it works on 
neighborhood streets in gated communities (keeps the router from trying to 
route through the neighborhood) if my understanding is correct (at least it's 
worked well for me).

R,
Eric "Sparks"
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Re: [Talk-us] Updating opening_hours for COVID-19.

2020-03-19 Thread Eric H. Christensen via Talk-us
Sure, I get that. The flip side is that it is likely to get confusing what is 
open and when with all the changes occurring. It would be good to have a 
resource to help people determine where they can go if they need something.

Eric

 Original Message 
On Mar 19, 2020, 10:06, Rihards wrote:

> On 19.03.20 15:49, Shawn K. Quinn wrote:
>> On 3/13/20 15:36, Eric Christensen via Talk-us wrote:
>>> I've been updating the opening_hours for businesses and services as I
>>> hear about them closing or changing their hours of operation for
>>> COVID-19. I'm also adding a note in the description with any
>>> information the source is providing.
>>>
>>> Seems like a good idea to keep people updated to what's open and what's not.
>>>
>>> I wonder if anyone else is also doing this as well?
>>
>> Bad idea since these are emergency changes and unlikely to be permanent.
>> I am putting in the "normal" hours where they are known, with the
>> understanding that people should know locations will be changing their
>> hours because of the situation and OSM's data will by necessity be out
>> of date for this item.
>
> I decided not to do that pretty quickly - we will have a huge number of
> changes later, as I expect many places to not just change their
> permanent hours, but close.
> --
> Rihards
>
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Re: [Talk-us] Wilderness areas separate from forest?

2019-12-31 Thread Eric H. Christensen via Talk-us
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Sorry for the late entry to the discussion but I did have a little information 
to add here.

Wilderness, at least at the federal level, enjoys a different protection from 
that of a national forest.  There is to be no development or tree harvesting in 
such areas and even wildfire management may be different.  I wouldn't 
necessarily start combining the two together as they are managed differently 
and have different purposes and landuse protections.

Eric "Sparks"
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Re: [Talk-us] Trunk VS primary,

2019-12-19 Thread Eric H. Christensen via Talk-us
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‐‐‐ Original Message ‐‐‐
On Thursday, December 19, 2019 2:19 PM, Martijn van Exel  wrote:

> I actually like your suggestion that highway=trunk does not add much value to 
> the U.S. map, Eric.
> We love to add detail / granularity to OSM so much, it can become hard to 
> envisage taking some away.
> Not saying we should abolish trunk right here and now, but something I'd 
> consider as one outcome.

It does seem like there is a lot of arbitrary conditions separating some of 
these road types.  It would be nice to have solid reasoning for tagging a 
roadway a certain way instead of how "important" it is.

The routing engine should be able to take into account the road surface, number 
of stop lights, and other factors into consideration if there are multiple 
routes of similar highways that are "important", IMO.  Any idea why trunk was 
established in the first place?

--Sparks
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Re: [Talk-us] Alaska Highway AK-2 tagging

2019-12-16 Thread Eric H. Christensen via Talk-us
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‐‐‐ Original Message ‐‐‐
On Monday, December 16, 2019 8:21 PM, Anthony Costanzo  
wrote:

> Given how these and other major
> single-carriageway roads in northern and western Canada are tagged as
> Trunk, tagging AK 2 as such would seem to be the option that defers to
> regional precedent.

Given the discussion we've had so far, unless there is strong opposition to 
doing so, I'm going to updating the tagging of AK-2 to 'trunk' from Canada to 
Eielson AFB for consistency.  This is what it's tagged in the Yukon and, as 
SteveA points out, the differences between Trunk and Primary are little.

This has been a very good discussion, though.

R,
Eric Sparks
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Re: [Talk-us] Alaska Highway AK-2 tagging

2019-12-16 Thread Eric H. Christensen via Talk-us
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‐‐‐ Original Message ‐‐‐
On Monday, December 16, 2019 7:35 PM, Tod Fitch  wrote:

> My reading of the wiki indicates that for the United States a trunk is “a 
> high speed Arterial Divided highway that is partially grade separated.” [1]
>
> What is the problem with having the main road between regions/cities/towns 
> being “primary”? Do you like the rendering of trunk better?
>
> For myself if I planned a driving trip and was expecting a trunk road I’d 
> sure be surprised to find areas that are undivided and apparently, from other 
> responses in this thread, unpaved in sections.
>
> [1] 
> https://wiki.openstreetmap.org/wiki/United_States/Road_classification#Trunk

I haven't seen that wiki page before.  Looking at the trunk page[0], the 
highway need not be divided and the U.S.-specific portion says "Surface 
expressway: A relatively high-speed divided road (at least 40 MPH with a 
barrier or median separating each direction of traffic), with a limited amount 
of intersections and driveways; or a major intercity highway. This includes 
many U.S. Highways (that do not parallel an Interstate) and some state 
highways.".  To me that meets the requirement for AK-2.

[0] https://wiki.openstreetmap.org/wiki/Tag:highway%3Dtrunk

--Eric "Sparks"
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[Talk-us] Alaska Highway AK-2 tagging

2019-12-16 Thread Eric H. Christensen via Talk-us
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I've noticed that there is some mixed tagging of the Alaska Highway AK-2 from 
the Canadian border through Delta Junction to where it becomes a divided 
highway just south and east of Fairbanks at Eielson Air Force Base.  Some of 
the non-divided portions are tagged as trunk while the other (majority) is 
tagged as primary.  The definitions of these two tags are similar enough in the 
U.S. to almost be interchangeable.  Being that this highway links many villages 
with Canada and the City of Fairbanks and the speed limit is 65 MPH, I would 
lean towards this highway being tagged as trunk.  By the same definition, I'd 
probably argue the same for the Richardson Highway AK-4.

Thoughts?

R,
Eric "Sparks"




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Re: [Talk-us] Proper way to "close" a ferry route

2019-09-09 Thread Eric H. Christensen via Talk-us
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‐‐‐ Original Message ‐‐‐
On Monday, September 9, 2019 11:20 AM, Mateusz Konieczny 
 wrote:

> I would also remove route=ferry tag.
>
> I assume here that "temporary" means
> "closed for at least week or two", 
> with closer closure I have doubts about
> mapping it in OSM.

No, I suspect this might be a while longer.  NC-12 for several miles along the 
east portion of Ocracoke island was buckled by the ocean and a bridge on the 
island is missing.  Repairs from last year's hurricane hadn't even been 
completed although the roadway had been opened.  I suspect this will be a 
closure of at least a month if not more.

I'll go ahead and remove the route=ferry as well.  I've also marked the roadway 
as being "under construction" to prevent any routing that far east although if 
you've made it onto the island you probably know already.

Thanks,
Eric
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Re: [Talk-us] Website showing the best time to survey with GPS.

2019-06-27 Thread Eric H. Christensen via Talk-us
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‐‐‐ Original Message ‐‐‐
On Thursday, June 27, 2019 7:58 AM, Simon Poole  wrote:

> The answer the OP was looking for is likely https://www.gnssplanning.com/


Thank you!!!  My Google-fu has been failing me lately.

Eric
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Re: [Talk-us] Website showing the best time to survey with GPS.

2019-06-27 Thread Eric H. Christensen via Talk-us
I use GPSr devices other than what's in my smartphone.  The point is that if 
all the satellites are clustered directly overhead the diversity isn't great 
enough to give a truly accurate position on the ground.  For best surveying 
with a GPSr, you want satellites to not only be overhead but toward the horizon 
(and everywhere in between) as well.

Eric

‐‐‐ Original Message ‐‐‐
On Thursday, June 27, 2019 2:15 AM, Mateusz Konieczny  
wrote:

> Note that for a typical GPS, especially GPS in smartphone I would expect that
> this effects will be not really noticeable in affecting accuracy.
>
> Maybe except massive solar storms like
> https://en.wikipedia.org/wiki/Solar_storm_of_1859
>
> I tried to check sources, but quick search found nothing really good, except 
> some things
> like
> https://www.utdallas.edu/news/2013/5/16-23761_Solar-Flares-May-Interrupt-GPS-Navigation-Research_article-wide.html
> "If a flare is particularly large, the resulting turbulence in our upper 
> atmosphere
> could disrupt radio signals and GPS navigation, for example."
>
> what seems to confirm that you need really unusual activity to have results.
>
> 27 Jun 2019, 00:18 by talk-us@openstreetmap.org:
>
>> I was told there was a website that forecasted the best times to do survey 
>> work with GNSS based upon diversity of satellites in the sky, solar 
>> activity, etc. Does anyone know what site this is?
>>
>> Thanks,
>> Eric___
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[Talk-us] Website showing the best time to survey with GPS.

2019-06-26 Thread Eric H. Christensen via Talk-us
I was told there was a website that forecasted the best times to do survey work 
with GNSS based upon diversity of satellites in the sky, solar activity, etc. 
Does anyone know what site this is?

Thanks,
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Re: [Talk-us] Gated communities

2019-03-20 Thread Eric H. Christensen via Talk-us
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‐‐‐ Original Message ‐‐‐
On Wednesday, March 20, 2019 6:38 PM, Frederik Ramm  wrote:

> Should all roads inside the gated community be access=private?

I wouldn't necessarily mark all the roads as private as I think that would 
hinder the routing engines.

> What tags should be applied to (a) the main gate where visitors and
> delivery services are expected to report, and (b) resident-only gates?

I've mapped a neighborhood like this before and I think I got the routing to 
work properly by using gates at non-manned areas with access=private and 
something else at the guard houses with access=designated or something to that 
affect.  I think that fits the model...

Eric "Sparks"
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Re: [Talk-us] Anyone interested in fixing Pine Mountain Trail, FDR state park, GA?

2019-02-06 Thread Eric H. Christensen via Talk-us
I can do it. Sounds right up my alley...

Eric "Sparks"
 Original Message 
On Feb 6, 2019, 02:56, Frederik Ramm wrote:

> Hi,
>
> DWG has received a message from someone at the "Pine Mountain Trail
> Association Board", pointing out several mis-named trails and offering
> to explain further in a telephone call ("CALL ME, not email me, not text
> me"). He's also offering to send a trail map which may be used to take
> correct names from.
>
> He's mixing up OSM and AllTrails and it is not clear whether he refers
> to particular AllTrails issues or genuine OSM issues, though with
> AllTrails using OSM data it is likely that at least some of the issues
> are OSM. He also complains about incorrect mileage shown but that is
> most likely an AllTrails issue.
>
> Would someone be interested in taking up the matter, making the phone
> call, potentially receiving a trail map and fixing what needs to be
> fixed in OSM, if anything? Then I'd forward the message. I'm not posting
> it because it contains telephone numbers and names.
>
> Bye
> Frederik
>
> --
> Frederik Ramm ## eMail frede...@remote.org ## N49°00'09" E008°23'33"
>
> ___
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Re: [Talk-us] Forest Routes

2018-12-06 Thread Eric H. Christensen
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‐‐‐ Original Message ‐‐‐
On Thursday, November 29, 2018 3:13 PM, Kevin Broderick 
 wrote:

> Doesn't the Forest Service use FR for "Forest Road" at the reference? I'd 
> think that, or NFR to distinguish from state forest roads, would be the more 
> appropriate ref, as FS is ambiguous (it doesn't distinguish between a forest 
> road and a forest trail).

I think the highway type would be a better way to distinguish between a roadway 
and a trail.

Eric
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Re: [Talk-us] Forest Routes

2018-11-28 Thread Eric H. Christensen
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‐‐‐ Original Message ‐‐‐
On Wednesday, November 28, 2018 9:49 AM, Martijn van Exel  
wrote:

> I think you are right. It would be good if we can arrive at a common
> prefix and document it on the wiki. 'FS' makes sense. Perhaps even a new
> page dedicated to roads that are maintained directly by federal agencies
> (NPS, USDA, others?) would make sense. I'd be happy to help set it up.

I've noticed that some of these "roads" are showing FS, FT, and another F 
something when they were imported.  Should all these ways use 'FS' or should 
they use the different prefix based upon what type of way they are (outside of 
the proper tagging for the way)?

Eric
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[Talk-us] Maryland Six-Inch Imagery change

2018-10-25 Thread Eric H. Christensen
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For the past few weeks I've not been able to get the Maryland Six-Inch imagery 
to work in JOSM.  Last night I opened a ticket with MD iMAP and have found a 
fix.  Not sure how to get this propagated into JOSM but here's the fix for 
anyone that is using the imagery:

Instead of using WMS use WTMS 
(wmts:https://geodata.md.gov/imap/rest/services/Imagery/MD_SixInchImagery/MapServer/WMTS/1.0.0/WMTSCapabilities.xml).

I haven't had a problem with the three-inch imagery, yet, but this may need to 
be changed for that as well in the future.  Apparently they have seen this 
problem with some clients that try to cache the information after a recent ESRI 
update.

Sparks



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[Talk-us] Reverted vandalism - Changeset 62766811

2018-09-23 Thread Eric H. Christensen
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I just noticed that three days ago "Derek Shorter"[0] decided to make it a lot 
easier to get around my little town (Chesapeake Beach, MD)[1] by adding several 
roadways as well as adding a bridge across the Chesapeake Bay.  I checked and 
it appears that the last change this person made prior to this one was a couple 
of years ago.  I also don't see any changes from this account since.

I have reverted this person's changes[2] so hopefully all that will go back to 
normal soon.

R,
Sparks

[0] https://www.openstreetmap.org/user/Derek%20Shorter
[1] https://www.openstreetmap.org/changeset/62766811
[2] https://www.openstreetmap.org/changeset/62865156
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Re: [Talk-us] Evacuation Routes

2018-09-08 Thread Eric H. Christensen
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I've added all Virginia hurricane evacuation routes[0].  Still working on North 
Carolina and I'm looking for a source for Maryland.  Perhaps I should be 
looking for South Carolina sooner...

[0] https://overpass-turbo.eu/s/BKj

Sparks
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Re: [Talk-us] Evacuation Routes

2018-09-06 Thread Eric H. Christensen
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-‐‐ Original Message ‐‐‐
On September 6, 2018 9:51 AM, James Umbanhowar  wrote:

> Would this fit the route relation model better if we used the following
> tagging scheme
>
> route:road
> network:MD:hurricane
>
> or something similar?

When this was discussed on the tagging list scheme wasn't brought up.  I was 
trying to keep it as generic as possible to keep it simple, to make it flexible 
for all kinds of evacuation routes (not just hurricanes), and to make it work 
globally.

What would be the benefit of using a network be?

Eric
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Re: [Talk-us] Evacuation Routes

2018-09-06 Thread Eric H. Christensen
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‐‐‐ Original Message ‐‐‐
On September 6, 2018 6:38 AM, Rihards  wrote:
> That page says "Cycle routes or bicycle route are named or numbered or
> otherwise signed routes. May go along roads, trails or dedicated cycle
> paths."
>
> Is that correct?

*sigh* That was a copy/paste error.  I've fixed that, or at least started to 
fix that.  Thanks for bringing that to my attention.

Eric
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Re: [Talk-us] Evacuation Routes

2018-09-05 Thread Eric H. Christensen
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‐‐‐ Original Message ‐‐‐
On September 5, 2018 7:24 PM, Kevin Kenny  wrote:

> Are you tagging the routes consistently with role=forward or
> role=reverse? An evacuation route is essentially a one-way item
> (presumably, return after the crisis can be by any open road), and it
> would be good to render them with arrows.

Yes!  These routes are direction-specific so those roles are important.  That 
should be a mandatory field and is on the wiki page.

Eric
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[Talk-us] Evacuation Routes

2018-09-05 Thread Eric H. Christensen
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I recently finished an update to the evacuation routes feature[0], turning it 
into a relation (route).  I'll be working on adding hurricane evacuation routes 
to areas I'm familiar with (Maryland, Hampton Roads area of Virginia, and 
Northeast North Carolina) but I encourage others to add evacuation routes to 
their local areas as well.

Currently, JOSM doesn't recognize this route type and I don't think they're 
being rendered on any third-party software but I'm hoping once enough data is 
in the system we'll be able to show a reason for rendering such information.

Thanks,
Sparks

[0] https://wiki.openstreetmap.org/wiki/Tag:route%3Devacuation
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[Talk-us] Mapping Southern Maryland: A new local group

2015-06-26 Thread Eric H. Christensen
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Greetings,

A couple of weeks ago I reached out to many of the OSM account holders that are 
in my area hoping they would be interested in creating a local community for 
mapping southern Maryland.  I found a few victims and so we're pressing on!

I'm still working on all the logistics (website, listserv, etc) but I have 
created a wiki page[0] where I'll start collecting information regarding the 
community.  If you'd like to join us please put your name on the wiki page.  I 
hope to have all the infrastructure figured out over the coming days.

[0] https://wiki.openstreetmap.org/wiki/Mapping_Southern_Maryland

Thanks!

- --Eric
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Re: [Talk-us] USA Rail: Calling all OSM railfans! (especially in California)

2015-03-18 Thread Eric H. Christensen
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On Wed, Mar 18, 2015 at 12:56:29PM -0700, stevea wrote:
 Especially if you are a railfan in California, please have a look. Or, if
 you are a rail enthusiast in another state, and want a template with which
 to jump-start better OSM rail completion in your neck of the woods, please
 copy what you might from this wiki.  It is a little bit stubby (some
 missing elements in the tables...) but it should provide a good launch pad
 for either a California railfan or an OSM mapper who wants to ignite a
 similar venture in another state.

Wow, this is starting to look good.  I mapped the tracks around Eastern North 
Carolina but there is still much to do.  I wonder if anyone has any information 
on Norfolk Southern or CSXT lines in North Carolina, Virginia, and Maryland 
that I could use to help determine main lines versus branch lines.

- --Eric
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Re: [Talk-us] The to way does not start or end at a via node.

2015-01-31 Thread Eric H. Christensen
On Fri, Jan 30, 2015 at 06:30:37PM +, Harald Kliems wrote:
 I think I figured it out. It's the no-U-turn relations (4286903 and
 4286904). Instead of having the same way as from and to, they reference
 a segment further down the road as their to. Probably that was caused by
 someone splitting the ways near the intersection. I haven't made any edits,
 as I can't be sure where the no-U-turn relations should be. But let me know
 if you need help fixing it, Eric.

I'm not sure I understand.  Please go ahead and fix it if you can see what's 
happening there.


FWIW, any changes there were likely made by me using iD.

--Eric

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Re: [Talk-us] The to way does not start or end at a via node.

2015-01-30 Thread Eric H. Christensen
On Fri, Jan 30, 2015 at 10:52:23AM -0500, Richard Welty wrote:
 On 1/30/15 10:45 AM, Eric Christensen wrote:
 I'm having a problem that I can't seem to figure out. At Node 2899149410
 (http://osm.org/go/ZZeAdq4EI--?m=) I get an error in JOSM that says The
 to way does not start or end at a via node..  This is breaking
 routing.  I'm not sure how to fix this.  I see the same problem at the
 same intersection only on Grovers Turn Road.
 
 Can someone help me fix these problems?
 i just took a look; the JOSM turn restriction plugin is reporting
 no issues.
 
 i'm using JOSM 7906, with appropriate plugins. what version
 are you running?

I just shut that machine down as I'm running out the door for a few hours.  
This wasn't a turn restriction error but a general validation error in JOSM.  
If you aren't seeing this I'll have to get back to you later today.

--Eric

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Re: [Talk-us] fun with tagging: it's a raceway and an airstrip

2015-01-15 Thread Eric H. Christensen
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On Thu, Jan 15, 2015 at 08:41:31AM -0500, Richard Welty wrote:
 not sure how to tag this one. Inde Motorsports Ranch is
 near Willcox, AZ, a multi configuration road course complex, plus
 the straight away on the south edge of the complex doubles as
 a private airstrip:

Could you just create an overlapping area where the airstrip is and tag it 
appropriately?

- --Eric
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Re: [Talk-us] Rail westerly

2014-12-29 Thread Eric H. Christensen
Steve,

Thanks for sparking my interest here.   I had started working on some rail 
segments around my home town of Plymouth, NC, but after reading your original 
message I went back and completed those and verified other segments along the 
branch including those around the state port in Morehead City.  I hope to 
complete all the tracks in Eastern North Carolina although I know there's at 
least one other person who has been working on these lines in the past.

I'd enjoy hearing more about your work out in California.

--Eric

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Re: [Talk-us] changeset 25081346 spanning contiguous United States

2014-10-06 Thread Eric H. Christensen
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On Mon, Oct 06, 2014 at 09:33:08AM -0700, Peter Dobratz wrote:
 After checking a few of the objects, it looks like this change removed
 shop=copyshop and added amenity=post_office.  I don't necessarily
 disagree with this change.  In my mind I had been reserving post_office for
 entities controlled by the government-run United States Postal Service, but
 after reading the wiki I see that private companies can be also designated
 as post_office, and the UPS Store certainly fulfills many of the same
 functions as government-run post offices.

Isn't there a way to specify the provider of the service (outside the name?)?  
I've run into this while marking post_box for UPS and FedEx drop points that I 
run across.

- --Eric
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Re: [Talk-us] Mapping Space Ports

2014-07-15 Thread Eric H. Christensen
On Tue, Jul 15, 2014 at 04:53:57PM +0200, Martin Koppenhoefer wrote:
 2014-07-14 19:38 GMT+02:00 Eric H. Christensen e...@christensenplace.us:
  I've not figured out the proper way to map a launch pad.
 
 the whole complex could get some spaceport tag, e.g. man_made=spaceport
 or aeroway=spaceport or amenity=...
 The launch_pad could be tagged aeroway=launch_pad
 There seem to be 7 aeroway=launchpad in the current db:
 http://taginfo.openstreetmap.org/keys/aeroway#values

I hadn't thought to look there.  The wiki doesn't seem to have anything 
regarding spaceports.  I'll start marking things up.  

Thanks,
Eric

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Re: [Talk-us] Mapping Space Ports

2014-07-15 Thread Eric H. Christensen
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Hash: SHA512

On Tue, Jul 15, 2014 at 06:25:58PM +0200, Martin Koppenhoefer wrote:
 2014-07-15 18:01 GMT+02:00 Eric H. Christensen e...@christensenplace.us:
   The launch_pad could be tagged aeroway=launch_pad
   There seem to be 7 aeroway=launchpad in the current db:
   http://taginfo.openstreetmap.org/keys/aeroway#values
 
  I hadn't thought to look there.  The wiki doesn't seem to have anything
  regarding spaceports.  I'll start marking things up.
 
 If you want to spare some time it would be nice to start documenting this
 in the wiki (proposal et al). Btw., I'd prefer your suggestion launch_pad
 (1x) and not the scarsely used launchpad (7x), as the latter is a brand
 and the former is the correct spelling for the rocket take off thingy.

Like https://wiki.openstreetmap.org/wiki/Proposed_features/Space_ports?  Yes, 
it needs more work.  I'll try to add more later today.

- --Eric
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[Talk-us] Mapping Space Ports

2014-07-14 Thread Eric H. Christensen
I've been cleaning up the NASA Wallops Island facility roadways and buildings.  
There has been a lot of construction there over the past few years.  With that 
said, I've not figured out the proper way to map a launch pad.  We've got 
plenty of aeronautical tags (runways, aprons, etc) but none for rockets.  
Anyone know of a good way to map those?

Thanks,
Eric


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Re: [Talk-us] [Imports] Importing parks and schools for Anne Arundel County MD

2014-06-12 Thread Eric H. Christensen
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Hash: SHA512

On Tue, Jun 03, 2014 at 08:54:09PM -0400, Eric H. Christensen wrote:
 If there are no other objections or input (I haven't heard any new input 
 since last Friday) then I'll start uploading these polygons (manually using 
 JOSM) later this weekend.  Any duplicate areas or POI will be merged or will 
 be left alone if the data looks to be of better quality.

Last weekend I was able to import most (all but one) polygon in my file (the 
BA Trail poly).  I did find in several places what looked to be a past import 
of the same data and in those cases I generally left what was there.  Right now 
the only thing that is left is the BA Trail, which looks like a tricky import, 
and the multi-polygon import which I haven't really looked at.  I hope to get 
those tasks completed in the near future (or obtain some help).

- --Eric
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Re: [Talk-us] Importing parks and schools for Anne Arundel County MD

2014-06-03 Thread Eric H. Christensen
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On Thu, May 29, 2014 at 10:12:02PM -0400, Eric H. Christensen wrote:
 On Thu, Dec 12, 2013 at 05:17:59PM -0800, Paul Norman wrote:
  You'll need to develop a translation for the shapefiles that converts 
  shapefile attributes to OSM tags, for use with ogr2osm or shp2osm.jar. 
  This is moderately technical.
 
 I used JOSM to import the shapefiles and turn them into .osm files.  I went 
 through and removed attributes that didn't make sense (which would be almost 
 all of them) and added ones that did.  Everything appears to have a name and 
 is either a school or a park (and contains appropriate attributes for that).
 
  When you've done that, post the .osm file somewhere and send a link 
  to the imports@ list for review.
 
 I ended up splitting the data into two files.  The first[0] contains simple 
 polygons that outline the plots of land and was somewhat easy to get fixed.  
 The second[1] contains all the multi-polygon shapes that I didn't want to 
 deal with just yet.  There are only a handful of these areas so I'm not 
 overly worried about them just yet.
 
 Everything is sitting up on github[2] at the moment and are available for 
 anyone to take a look at.  I'd appreciate feedback on this.
 
 [0] 
 https://raw.githubusercontent.com/mappingdc/Anne-Arundel-imports/master/AA_parks.osm
 [1] 
 https://raw.githubusercontent.com/mappingdc/Anne-Arundel-imports/master/AA_parks_multipolygons.osm
 [2] https://github.com/mappingdc/Anne-Arundel-imports

Earlier today I opened my data file and did a simplify on all the polygons.  
That really trimmed down the number of points.  I did a couple spot checks to 
see if this adversely affected the accuracy of the data and I didn't see 
anything that really stood out as being problematic.

If there are no other objections or input (I haven't heard any new input since 
last Friday) then I'll start uploading these polygons (manually using JOSM) 
later this weekend.  Any duplicate areas or POI will be merged or will be left 
alone if the data looks to be of better quality.

Thanks for everyone's input.

- --Eric
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Re: [Talk-us] Importing parks and schools for Anne Arundel County MD

2014-05-30 Thread Eric H. Christensen
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On Fri, May 30, 2014 at 12:52:30AM -0700, Gregory Arenius wrote:
   I wouldn't import the data per say, as in uploading the .osm file you
 have.  I would download the current OSM data for the area covered.  Then,
 in the import file I would check each polygon, one at a time, for
 duplicates and boundaries that are overdigitized for OSM.  If the polygon
 needs to be simplified, JOSM has a simplify way tool (Shift + Y) that does
 the job handily.  If the park or school is already in OSM I would use my
 judgement.  If it was put in manually by another mapper I would leave it
 alone.  If it is a GNIS point, delete the GNIS point, since your data is
 better than the GNIS points from what I can see.  Then, copy it over from
 the import layer to the OSM layer, and delete if from the import layer.
...

Yes, completely agree.  This will allow me to individually compare what's 
currently there and allow me to merge or otherwise clean up what's there.

   The only other thing that stuck out to me about the data was the B  A
 trail.  You have a polygon for the trail which is awesome but I would also
 add in a properly tagged linear way.  It will make it possible for routers
 to use it as well as rendering properly.

Yeah, the BA trail should be interesting.  The outline only covers the 
property around the trail and not the trail itself.  Maybe a ground truth track 
would be a good reward for myself for getting this other work complete...  :)

- --Eric
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Re: [Talk-us] Importing parks and schools for Anne Arundel County MD

2014-05-29 Thread Eric H. Christensen
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On Thu, Dec 12, 2013 at 05:17:59PM -0800, Paul Norman wrote:
 You'll need to develop a translation for the shapefiles that converts 
 shapefile attributes to OSM tags, for use with ogr2osm or shp2osm.jar. 
 This is moderately technical.

I used JOSM to import the shapefiles and turn them into .osm files.  I went 
through and removed attributes that didn't make sense (which would be almost 
all of them) and added ones that did.  Everything appears to have a name and is 
either a school or a park (and contains appropriate attributes for that).

 When you've done that, post the .osm file somewhere and send a link 
 to the imports@ list for review.

I ended up splitting the data into two files.  The first[0] contains simple 
polygons that outline the plots of land and was somewhat easy to get fixed.  
The second[1] contains all the multi-polygon shapes that I didn't want to deal 
with just yet.  There are only a handful of these areas so I'm not overly 
worried about them just yet.

Everything is sitting up on github[2] at the moment and are available for 
anyone to take a look at.  I'd appreciate feedback on this.

[0] 
https://raw.githubusercontent.com/mappingdc/Anne-Arundel-imports/master/AA_parks.osm
[1] 
https://raw.githubusercontent.com/mappingdc/Anne-Arundel-imports/master/AA_parks_multipolygons.osm
[2] https://github.com/mappingdc/Anne-Arundel-imports

Thanks!

- --Eric
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Re: [Talk-us] Sidewalks as footpaths

2014-04-30 Thread Eric H. Christensen
On Wed, Apr 30, 2014 at 06:43:31PM -0400, Dale Puch wrote:
 Personally, I like to treat most sidewalks that are close to and basically
 parallel the same as attached ones.  IE. both of Martijn's examples tagged
 as part of the roadway way.  I would save the separate footpath highways
 for when it isn't a typical sidewalk.

I've seen in the wiki where one can add 'sidewalk=right|left|both|none' to a 
highway.  I don't know if routing software looks at that or not.  If so, one 
could attach that to roadways where the sidewalks are next to it and then 
manually map sidewalks as footways if they diverge from the roadway.  Just a 
thought.  I've mapped sidewalks both ways so I'm not sure which way is the 
correct way.

--Eric


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Re: [Talk-us] [Imports] Importing building data for Anne Arundel County MD

2014-04-30 Thread Eric H. Christensen
On Thu, Dec 12, 2013 at 05:17:59PM -0800, Paul Norman wrote:
  I'm also investigating house/building numbers to properly address the
  county as well.
 
 I would suggest handling the building outlines separately, and at the 
 least waiting until you know if you'll be getting addresses before handling 
 buildings. 

I haven't had a chance to work on this as of recent but figured I'd follow up 
on this piece of the puzzle.  The GIS department doesn't own the address data 
but referred me to the county police who does.  They are not willing to share 
this information and only allow other governmental agencies to have this 
information so it doesn't look like that part will be happening.

--Eric


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Re: [Talk-us] Turns on bidirectional highways

2013-12-16 Thread Eric H. Christensen
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On Sun, Dec 15, 2013 at 09:42:36PM -0500, Richard Welty wrote:
 On 12/15/13 9:23 PM, Eric H. Christensen wrote:
  On Sun, Dec 15, 2013 at 07:36:40PM -0500, Richard Welty wrote:
  
 
   3) you can use a way as a via, not just a node.
 
  Not sure what you mean by that. Can you point to an example, please?
 consider a u-turn on a motorway with a no u-turn sign posted and maybe
 an emergency vehicles only sign. you need a no u-turn restriction, but the
 connecting segment of road is typically a way with 2 nodes (one node on
 each of the motorway ways.) so you 1) split each of the motorway ways
 at this node, and set up 2 no u-turn restrictions, with the via element
 being the short 2-node way between the motorway ways.

Okay, that makes sense.

 you could use this elsewhere, although i think for your example it's not
 really necessary, an only-left-turn restriction where the left leg of Riva
 meets West is probably sufficient.

I went in and made changes that appear, according to GraphHopper, to route 
correctly now.  

Thanks,
Eric
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[Talk-us] Turns on bidirectional highways

2013-12-15 Thread Eric H. Christensen
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I've been searching for some documentation to explain an intersection that has 
several turn restrictions that need to be mapped for routing to work properly.

The intersection in question is where Riva Road intersects with West Street[0]. 
 Traffic flowing towards West Street need to make an early decision (at the 
first split) as to whether they are going left or right at West Road.  I've 
been able to add turn restrictions on the right-most intersection showing two 
lanes turning only right.  I'm trying to figure out how to show the bottom 
intersection but with it being bidirectional I'm not sure how to do so.  Any 
help?

[0] http://osm.org/go/ZZeXCRcZa?way=62151435

Thanks,
Eric
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Re: [Talk-us] Turns on bidirectional highways

2013-12-15 Thread Eric H. Christensen
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On Sun, Dec 15, 2013 at 07:36:40PM -0500, Richard Welty wrote:
 On 12/15/13 3:27 PM, Eric H. Christensen wrote:
  I've been searching for some documentation to explain an intersection
  that has several turn restrictions that need to be mapped for routing
  to work properly.
 
  The intersection in question is where Riva Road intersects with West
  Street[0]. Traffic flowing towards West Street need to make an early
  decision (at the first split) as to whether they are going left or
  right at West Road. I've been able to add turn restrictions on the
  right-most intersection showing two lanes turning only right. I'm
  trying to figure out how to show the bottom intersection but with it
  being bidirectional I'm not sure how to do so. Any help?
 i don't clearly understand what restriction is troubling you, but be
 aware that

I guess I was just trying for a simple, elegant solution that wouldn't cause 
the source to look... horrible.  I suspect that doesn't exist here, though.

 1) there's no problem splitting ways if it facilitates adding
 a turn restriction

Okay, I'll probably end up doing that, then.

 2) you have some latitude as to how you place the restriction
 as routers will have some look ahead. placing a left turn restriction
 on the left side where Riva meets West may be sufficient guidance
 for routers
 
 3) you can use a way as a via, not just a node.

Not sure what you mean by that.  Can you point to an example, please?

Thanks,
Eric
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Re: [Talk-us] Fixing shorelines

2012-12-13 Thread Eric H. Christensen
On Thu, Dec 13, 2012 at 02:23:52PM -0500, Phil! Gold wrote:
 * Eric H. Christensen e...@christensenplace.us [2012-12-11 21:24 -0500]:
  Is there a good way to make the PGS-sourced data match the Tiger data in 
  certain areas to improve the accuracy?
 
 If you use JOSM, the ContourMerge plugin is very helpful here.  You can
 select nodes on each of the TIGER and PGS ways near where they diverge
 from each other and then drag the coastline onto the administrative
 boundary.  Be aware that both the TIGER and PGS imports periodically split
 ways to keep them from getting too long, so you might have to do the
 merging in several places along the full length of the overlap.

Thanks for the advice.  I've tried that technique and it seems to have done 
what I wanted but I'm withholding judgment until I actually see the results on 
the website.

 Even the TIGER data isn't perfect (though it's far better than PGS, at
 least in Maryland), so what I like to do it use the JOSM
 ImproveWayAccuracy plugin to align the administrative boundary to aerial
 imagery and then use the ContourMerge plugin to overlap the coastline
 ways.  If there's no administrative boundary, I just use the
 ImproveWayAccuracy plugin on the coastline ways directly.

Another great tool.

 On a side note, Anne Arundel County is kind enough to put their geodata
 into the public domain, plus they've got an ArcGIS REST server at
 http://gis-world.aacounty.org/ArcGIS/rest/services/ .  I find their
 basemap, parcel, and orthoimagery layers to be very useful (although JOSM
 can't use them directly, as far as I know; I use tilestache to go between
 JOSM's tile underlays and the ArcGIS REST interface).

I haven't seen that data before but will have to take a look at what's there.  
I've not been very impressed by the TIGER roadway data in my little town so 
I've been slowly making changes or verification that the data is correct.  I 
just moved here so I'm just getting started on this project.

-Eric


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[Talk-us] Fixing shorelines

2012-12-11 Thread Eric H. Christensen
I just moved to the Deale, Maryland area and am working on cleaning up the 
Tiger data and mapping as many POI as I can.  I found that the shoreline here, 
though, is very rough.  Along the Chesapeake Bay the TIGER/Line® 2008 Place 
Shapefiles appears to outline the separation of water and land quite well but 
is labeled as an administrative boundary.  The water boundary is sourced from 
PGS and does a good job in some areas but lacks much detail that the other 
provides.

Is there a good way to make the PGS-sourced data match the Tiger data in 
certain areas to improve the accuracy?

If you'd like to see what I'm talking about take a look at the area around 
N38.7773972 W76.543262.

Thanks.

-- Eric

--
Eric H Christensene...@christensenplace.us
Sparks  spa...@fedoraproject.org
 . .-.. .-.. ---  .-- --- .-. .-.. -..
097C 82C3 52DF C64A 50C2  E3A3 8076 ABDE 024B B3D1
--


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