Re: [Talk-us] What does the community want from a US local chapter?

2011-10-02 Thread Paul Johnson
On Sun, 2011-10-02 at 20:05 -0600, Martijn van Exel wrote:
> What I still like to use a dedicated GPS for is for georeferencing the
> photos I take while out mapping. My camera does not have a built in
> GPS and I prefer to use a dedicated camera over my phone camera which
> would yield georeferenced images.

Actually, it was georeferencing an image with my phone against a
benchmark in a cycleway through a swamp that made me realize how far off
smartphones are in terms of GPS.  The swamp, being mostly water, is of
course, level, and without any tree cover or hills for nearly a half
mile in any direction, and having been using the GPS for pedestrian
navigation all afternoon, made me quite surprised to see the geolocation
data for the photo (taken just inches above the benchmark) was off by
almost half a mile.



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Re: [Talk-us] What does the community want from a US local chapter?

2011-10-02 Thread Martijn van Exel
What I still like to use a dedicated GPS for is for georeferencing the
photos I take while out mapping. My camera does not have a built in
GPS and I prefer to use a dedicated camera over my phone camera which
would yield georeferenced images.

And maybe even more importantly, to upload the traces to the OSM
server (although I badly need to catch up with that). I think that
will always remain useful.

Martijn

On Sun, Oct 2, 2011 at 3:42 PM, Nathan Mills  wrote:
> On Sun, 02 Oct 2011 15:05:22 -0400, Lars Ahlzen wrote:
>
>> I completely agree with you, though. The trace from my cellphone is
>> horrifically bad compared to that of my GPSMap60, so I still use the
>> latter a lot for mapping.
>
> What phones are you guys using? The TI chips Nokia uses seem to usually
> get within about 10 feet or better anywhere where there's a reasonable
> view of the sky. That's not to say it's never off, but the outliers are
> usually plainly obvious when looking at the track in JOSM.
>
> When I go out and map new subdivisions, there is often dirt work shown
> on the aerial imagery that can be used as a reference, along with the
> pictures from the phone taken at 5 second intervals, so I can be pretty
> certain it's close at worst.
>
> I could do better with a better GPS, I'm sure, but for your typical
> suburban-style development the phone seems as good as anything that
> doesn't involve post-processing.
>
> If I were trying to map individual structures, it probably wouldn't
> be good enough. However, for getting the roads on the map, my N900
> works (or more accurately worked, given my recent output) just fine.
>
> -Nathan
>
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-- 
martijn van exel
geospatial omnivore
1109 1st ave #2
salt lake city, ut 84103
801-550-5815
http://oegeo.wordpress.com

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[Talk-us] Whole-US Garmin Map update - 2011-09-30

2011-10-02 Thread Dave Hansen
These are based off of Lambertus's work here:

http://garmin.openstreetmap.nl

I wrote scripts to joined them myself to lessen the impact of doing a
large join on Lambertus's server.  I've also cut them in large longitude
swaths that should fit conveniently on removable media.  

http://daveh.dev.openstreetmap.org/garmin/Lambertus/2011-09-30

I've also hacked together some primitive visualizations of the different
image files.  This, again, is _heavily_ based upon what Lambertus has
already done.  Most of the credit goes to him.  Let me know if you find
them useful:


http://daveh.dev.openstreetmap.org/garmin/Lambertus/2011-09-30/kml/kml.html

If you use the .torrent files, please seed.  That web server is in the
UK, and it helps to have some peers on this side of the Atlantic.

There have been some missing tiles from Lambertus's map (the red
rectangles),  I don't see any at the moment, so you may want to update
if you had issues with the last set.

If you buy a new card (especially SDHC), some are FAT16 from the
factory.  I had to reformat it to let me create a >2GB file.

-- Dave


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[Talk-us] Whole-US Garmin Map update - 2011-09-30

2011-10-02 Thread Dave Hansen
These are based off of Lambertus's work here:

http://garmin.openstreetmap.nl

I wrote scripts to joined them myself to lessen the impact of doing a
large join on Lambertus's server.  I've also cut them in large longitude
swaths that should fit conveniently on removable media.  

http://daveh.dev.openstreetmap.org/garmin/Lambertus/2011-09-30

I've also hacked together some primitive visualizations of the different
image files.  This, again, is _heavily_ based upon what Lambertus has
already done.  Most of the credit goes to him.  Let me know if you find
them useful:


http://daveh.dev.openstreetmap.org/garmin/Lambertus/2011-09-30/kml/kml.html

If you use the .torrent files, please seed.  That web server is in the
UK, and it helps to have some peers on this side of the Atlantic.

There have been some missing tiles from Lambertus's map (the red
rectangles),  I don't see any at the moment, so you may want to update
if you had issues with the last set.

If you buy a new card (especially SDHC), some are FAT16 from the
factory.  I had to reformat it to let me create a >2GB file.

-- Dave


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Re: [Talk-us] What does the community want from a US local chapter?

2011-10-02 Thread Nathan Mills

On Sun, 02 Oct 2011 15:05:22 -0400, Lars Ahlzen wrote:


I completely agree with you, though. The trace from my cellphone is
horrifically bad compared to that of my GPSMap60, so I still use the
latter a lot for mapping.


What phones are you guys using? The TI chips Nokia uses seem to usually
get within about 10 feet or better anywhere where there's a reasonable
view of the sky. That's not to say it's never off, but the outliers are
usually plainly obvious when looking at the track in JOSM.

When I go out and map new subdivisions, there is often dirt work shown
on the aerial imagery that can be used as a reference, along with the
pictures from the phone taken at 5 second intervals, so I can be pretty
certain it's close at worst.

I could do better with a better GPS, I'm sure, but for your typical
suburban-style development the phone seems as good as anything that
doesn't involve post-processing.

If I were trying to map individual structures, it probably wouldn't
be good enough. However, for getting the roads on the map, my N900
works (or more accurately worked, given my recent output) just fine.

-Nathan

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Re: [Talk-us] East Coast Greenway

2011-10-02 Thread Nathan Edgars II

On 10/1/2011 7:53 PM, Nathan Edgars II wrote:

On 10/1/2011 6:22 PM, Paul Johnson wrote:

Isn't this NCN 1?


No. They're pretty close in NH-Maine, but differ in several places (the
ECG uses unpaved trails while USBR 1 sticks with paved roads).


The bike rendering has (mostly) updated, so you can now see the 
difference: 
http://www.openstreetmap.org/?lat=45.004&lon=-67.279&zoom=11&layers=C&relation=1770874


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Re: [Talk-us] Whole-US Garmin Map update - 2011-09-30

2011-10-02 Thread Dave Hansen
On Sun, 2011-10-02 at 15:09 +0100, Dave Hansen wrote:
> I wrote scripts to joined them myself to lessen the impact of doing a
> large join on Lambertus's server.  I've also cut them in large longitude
> swaths that should fit conveniently on removable media.  
> 
> http://daveh.dev.openstreetmap.org/garmin/Lambertus/2011-09-30 

Is anybody using the 500MB versions any more?  I'm temped to remove them
and see if anyone screams.

-- Dave


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Re: [Talk-us] What does the community want from a US local chapter?

2011-10-02 Thread Lars Ahlzen

On 10/02/2011 02:41 PM, Paul Johnson wrote:

On Sun, 2011-10-02 at 10:20 -0400, Lars Ahlzen wrote:

On 09/30/2011 10:25 AM, Richard Weait wrote:

1) What would you like to see the US local chapter do?

When Cloudmade hosted events, their representatives brought banners,
brochures, stickers, loaner GPS units and similar things. I'm not sure
GPS units are needed these days (with a smartphone in everyone's
pocket), but advertising material - like the tall OSM banners - really
make an event look a little more professional.

Never overestimate the accuracy of phone GPS.  Google Maps does well
with positioning because they're using wifi and cell networks as
secondary location sources, the GPS alone is usually off by several city
blocks.


Let me clarify: I'm not sure dedicated GPS units are needed *for mapping 
parties* these days. The concepts can be taught with pretty basic 
equipment. Besides, in many areas, what's left to map are details that 
are better recorded with a notebook than a GPS.


I completely agree with you, though. The trace from my cellphone is 
horrifically bad compared to that of my GPSMap60, so I still use the 
latter a lot for mapping.


- Lars


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Re: [Talk-us] What does the community want from a US local chapter?

2011-10-02 Thread Paul Johnson
On Sun, 2011-10-02 at 10:20 -0400, Lars Ahlzen wrote:
> On 09/30/2011 10:25 AM, Richard Weait wrote:
> > 1) What would you like to see the US local chapter do?
> 
> When Cloudmade hosted events, their representatives brought banners, 
> brochures, stickers, loaner GPS units and similar things. I'm not sure 
> GPS units are needed these days (with a smartphone in everyone's 
> pocket), but advertising material - like the tall OSM banners - really 
> make an event look a little more professional.

Never overestimate the accuracy of phone GPS.  Google Maps does well
with positioning because they're using wifi and cell networks as
secondary location sources, the GPS alone is usually off by several city
blocks.



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Re: [Talk-us] What does the community want from a US local chapter?

2011-10-02 Thread Ian Dees
On Sun, Oct 2, 2011 at 12:13 PM, wrote:

> In article <4e88732c.6050...@ahlzen.com> l...@ahlzen.com writes:
> >When Cloudmade hosted events, their representatives brought banners,
>
> I have one of the cloudmade tall banners in Los Angeles.  It will go
> in the trash in a week unless someone aranges to pick it up or pay
> shipping.  (I can't take it when I move.)


Who and where are you (your e-mail address doesn't look familiar)? OSM US
can pay for shipping to save it from the trash since we're talking about
needing one.
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Re: [Talk-us] What does the community want from a US local chapter?

2011-10-02 Thread openstreetmap-talk-us
In article <4e88732c.6050...@ahlzen.com> l...@ahlzen.com writes:
>When Cloudmade hosted events, their representatives brought banners, 

I have one of the cloudmade tall banners in Los Angeles.  It will go
in the trash in a week unless someone aranges to pick it up or pay
shipping.  (I can't take it when I move.)


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Re: [Talk-us] What does the community want from a US local chapter?

2011-10-02 Thread Lars Ahlzen

On 09/30/2011 10:25 AM, Richard Weait wrote:

1) What would you like to see the US local chapter do?


When Cloudmade hosted events, their representatives brought banners, 
brochures, stickers, loaner GPS units and similar things. I'm not sure 
GPS units are needed these days (with a smartphone in everyone's 
pocket), but advertising material - like the tall OSM banners - really 
make an event look a little more professional.


Maybe the OSMFUS should explain OSM as a project a bit better to 
newcomers? Especially from a US perspective, where we've been spoiled by 
online maps and free government geodata for a long time.


Finally, having a server and development infrastructure for US-specific 
projects - such as the US-style slippy map mentioned elsewhere - would 
probably make OSM more attractive to both mappers and developers in the US.


I think some of this is already being worked on (Thea, Ian, ...). When 
ready, make sure that it's clearly documented on the website how these 
resources are available to users.


- Lars


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[Talk-us] Whole-US Garmin Map update - 2011-09-30

2011-10-02 Thread Dave Hansen
These are based off of Lambertus's work here:

http://garmin.openstreetmap.nl

I wrote scripts to joined them myself to lessen the impact of doing a
large join on Lambertus's server.  I've also cut them in large longitude
swaths that should fit conveniently on removable media.  

http://daveh.dev.openstreetmap.org/garmin/Lambertus/2011-09-30

I've also hacked together some primitive visualizations of the different
image files.  This, again, is _heavily_ based upon what Lambertus has
already done.  Most of the credit goes to him.  Let me know if you find
them useful:


http://daveh.dev.openstreetmap.org/garmin/Lambertus/2011-09-30/kml/kml.html

If you use the .torrent files, please seed.  That web server is in the
UK, and it helps to have some peers on this side of the Atlantic.

There have been some missing tiles from Lambertus's map (the red
rectangles),  I don't see any at the moment, so you may want to update
if you had issues with the last set.

If you buy a new card (especially SDHC), some are FAT16 from the
factory.  I had to reformat it to let me create a >2GB file.

-- Dave


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[Talk-us] OSM US Swag

2011-10-02 Thread Thea Aldrich
Hi Everyone,
I wanted to update y'all about the ETA of swag to chapter members. I had
some personal things going on last week and missed the postal pickup i had
set up. I have booked a new pickup date for the packages this coming
Monday/tomorrow. Members and folks who requested mapping party supplies will
receive them been Wednesday and Friday of this week.

Sorry for the delay. If you would like a new member kit or to request event
swag just sign up for membership and send me an email at
theaglit...@gmail.com. Please note we have limited supplies and resources so
we can only ship inside the US and supply events of under 100 ppl per event.

Best, Thea Aldrich
On Saturday, October 1, 2011,   wrote:
> Send Talk-us mailing list submissions to
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> Today's Topics:
>
>   1. Re: What does the community want from a US local chapter?
>  (Nathan Edgars II)
>   2. Re: Complete Addresseses (Was: What does the community want
>  from a US local chapter?) (Val Kartchner)
>   3. Re: What does the community want from a US local chapter?
>  (Frederik Ramm)
>
>
> --
>
> Message: 1
> Date: Fri, 30 Sep 2011 22:24:53 -0400
> From: Nathan Edgars II 
> To: talk-us@openstreetmap.org
> Subject: Re: [Talk-us] What does the community want from a US local
>chapter?
> Message-ID: <4e8679f5.2010...@gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> On 9/30/2011 7:37 PM, Martijn van Exel wrote:
>> What if anything can we learn from Wikipedia?
>
> That consensus is very hard to reach :)
>
http://en.wikipedia.org/wiki/Wikipedia:State_route_naming_conventions_poll/Account
>
>
>
> --
>
> Message: 2
> Date: Fri, 30 Sep 2011 21:27:45 -0600
> From: Val Kartchner 
> To: OSM Talk US 
> Subject: Re: [Talk-us] Complete Addresseses (Was: What does the
>community want from a US local chapter?)
> Message-ID: <1317439665.1751.5.camel@penguin>
> Content-Type: text/plain; charset="UTF-8"
>
> On Fri, 2011-09-30 at 19:47 -0400, Serge Wroclawski wrote:
>> My experience is that lack of complete addresses is a larger issue.
>
> I've been thinking of posting about this for a few weeks: I know that it
> would be better to have all of the delivery points listed on streets,
> but this takes a lot of time.  It is much quicker to fill in address
> interpolations.  Are either of these types of address data actually used
> anywhere?
>
> - Val -
>
>
>
>
> --
>
> Message: 3
> Date: Sat, 01 Oct 2011 10:58:55 +0200
> From: Frederik Ramm 
> To: talk-us@openstreetmap.org
> Subject: Re: [Talk-us] What does the community want from a US local
>chapter?
> Message-ID: <4e86d64f.9050...@remote.org>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Hi,
>
> On 10/01/2011 04:24 AM, Nathan Edgars II wrote:
>> That consensus is very hard to reach :)
>>
http://en.wikipedia.org/wiki/Wikipedia:State_route_naming_conventions_poll/Account
>
> Are any of the people mentioned by username on that page involved in OSM
> today?
>
> Bye
> Frederik
>
> --
> Frederik Ramm  ##  eMail frede...@remote.org  ##  N49?00'09" E008?23'33"
>
>
>
> --
>
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>
> End of Talk-us Digest, Vol 47, Issue 2
> **
>
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