Re: [Talk-us] TopOSM Colorado

2009-09-05 Thread Lars Ahlzen
Jason R. Surratt wrote:
> If you're entertaining the world you may want to look at the Aster GDEM 
> dataset too (http://asterweb.jpl.nasa.gov/gdem.asp). It provides 1arcsec 
> (~30m) post spacing for nearly the entire globe (83N/S) and is freely 
> available. Unfortunately downloading the entire data set from their 
> website would be difficult at best and there are reports of some 
> spurious artifacts. 

That may indeed be the best option for areas outside of the US.

IIRC, there were some questions about licensing, and their servers were 
more or less down at the time, so I haven't tried it. I tried STRM data, 
which has at least comparable resolution/quality, with good results, so 
using Aster should be fairly straightforward.

- Lars

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Re: [Talk-us] TopOSM Colorado

2009-09-05 Thread Lars Ahlzen
Ian Dees wrote:
> The hi-res NHD data set fits on 4.5 DVDs. They sent me a set of NHD data 
> last year around this time for free (they're very nice folks!). I was 
> considering asking nicely for another set, but I was going to try and 
> build a faster computer to handle it, first.

Nice. That would save a lot of time. I hope they can do me the same favor.

> I don't know about the NED data, but I imagine it would be a similar 
> size for the US continental area.

NED is significantly larger, but someone mentioned that one can ship a 
USB hard drive to USGS, they'll fill it with the data and ship it back.

- Lars

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Re: [Talk-us] Calling Coloradans

2009-09-05 Thread Chris Wold
Steve,

I could help with the booth on Wed afternoon and then do the pub meetup in
the evening.  Can you get me an exhibitors pass to get in on Wed?

Chris Wold
Boulder, CO


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Today's Topics:

   1. Re: TopOSM Colorado (Apollinaris Schoell)
   2. Calling Coloradans (SteveC)
   3. Re: Tiger "Lakes" (Richard Welty)
   4. Re: Calling Coloradans (Peter Batty)
   5. Re: question: relations & divided highways (Richard Welty)
   6. shp-to-osm 0.5 released (Ian Dees)
   7. Re: shp-to-osm 0.5 released (Sam Vekemans)


--

Message: 1
Date: Fri, 4 Sep 2009 13:44:24 -0700
From: Apollinaris Schoell 
Subject: Re: [Talk-us] TopOSM Colorado
To: Ian Dees 
Cc: Lars Ahlzen , Bill Ricker ,
talk-us@openstreetmap.org
Message-ID:
<45a1381e0909041344t3dde2f1dk53d2cc7821981...@mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"

>
>
> This sounds like an interesting experiment worth running on Amazon's EC2
> cloud. Their x-large machines run at $1/hour, but sure would chomp on this
> data quickly!
>
> I would be willing to try (and pay for) it if Lars went through a did an
> updated setup doc.
>
>
We could start our own distributed rendering in a similar fashion as
ti...@home
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Message: 2
Date: Fri, 4 Sep 2009 14:48:14 -0700
From: SteveC 
Subject: [Talk-us] Calling Coloradans
To: talk-us@openstreetmap.org
Message-ID: <7457343a-345d-42a7-a9dd-e5e819cac...@asklater.com>
Content-Type: text/plain; charset=us-ascii; format=flowed; delsp=yes

Hi

I'm speaking at Location Intelligence

http://www.locationintelligence.net/index.php

in Westminster. It's on 5-7 October or so.

There's a good chance we will have a OpenStreetMap booth so I'm  
looking for volunteers to help man it and get people interested.  
Anyone wanna help?

Then I'm thinking a OSM pub meetup in Denver on the evening Wednesday  
7th might be good. Who's up for it?

Yours &c.

Steve




--

Message: 3
Date: Fri, 04 Sep 2009 19:10:55 -0400
From: Richard Welty 
Subject: Re: [Talk-us] Tiger "Lakes"
To: talk-us@openstreetmap.org
Message-ID: <4aa19e7f.5010...@averillpark.net>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

On 9/4/09 10:09 AM, Ian Dees wrote:
> On Fri, Sep 4, 2009 at 8:54 AM, Richard
Weltywrote:
>
>
>> as a relatively new guy, i decided to jump off into the deep end and
>> signed up to
>> do the upper&  lower Hudson, seeing as i live near Albany.
>>
>> i'm a java&  database developer by day, don't know python. anyone have
any
>> words of advice/caution for me? pointers to useful things to know beyond
>> what's on the wiki page?
>>
>>  
> If you'd rather use Java, you could experiment with my Java nhd-to-osm
> converter. I haven't created a rules.txt for NHD yet, but it's fairly
simple
> to set one up for your area.
>
> Download it here: http://redmine.yellowbkpk.com/projects/show/geo
>
thanks, i will take a look at it. mostly because if anything wonky 
happens, i'm more likely to
be able to figure it out with a language i've worked with daily since 
2002 than one i'm just
starting to learn.

richard




--

Message: 4
Date: Fri, 4 Sep 2009 19:11:58 -0600
From: Peter Batty 
Subject: Re: [Talk-us] Calling Coloradans
To: SteveC 
Cc: talk-us@openstreetmap.org
Message-ID:

Content-Type: text/plain; charset="iso-8859-1"

I would be up for helping on the booth but am out of the country until
Tuesday night. Possibly up for helping Wednesday, definitely up for a pub
meetup on Wednesday night. I vote for the Wynkoop Brewing Company (you'll be
shocked to hear!).
Also I'd like to get a regular (maybe monthly?) meeting of Denver / Colorado
OSMers going, this might be a good chance to kick that off.

Cheers,
Peter.

On Fri, Sep 4, 2009 at 3:48 PM, SteveC  wrote:

> Hi
>
> I'm speaking at Location Intelligence
>
>http://www.locationintelligence.net/index.php
>
> in Westminster. It's on 5-7 October or so.
>
> There's a g

Re: [Talk-us] TopOSM Colorado

2009-09-05 Thread Lars Ahlzen
Apollinaris Schoell wrote:
> 
> This sounds like an interesting experiment worth running on Amazon's
> EC2 cloud. Their x-large machines run at $1/hour, but sure would
> chomp on this data quickly!
> 
> I would be willing to try (and pay for) it if Lars went through a
> did an updated setup doc.
> 
> We could start our own distributed rendering in a similar fashion as 
> ti...@home

Both of those sound like interesting options. Something like E2C might 
be easier to set up (we'd need some more work to split the large data 
sets for a distributed rendering system).

EC2 (or something equivalent) might still be a significant cost, though. 
Looking at the EC2 x-large vm specs, it seems to be about 5-10 times the 
speed of my quad-core rendering server. Import, preprocessing and 
rendering (almost entirely CPU-bound) took just under a week, so it 
might take, let's say, 20 hours on the EC2 wm, or about $20. In that 
case 50 states (assuming approximately equal size) would be $1000. Per 
rendering.

Either way, I guess the thing for me to do would be to clean things up 
just enough to be readable and then put the code and instructions up on 
the wiki. Then we can all play with it. :) I'm right in the middle of a 
move, so it may take a bit longer than otherwise, but I'll do my best.

- Lars

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Re: [Talk-us] Garmin OSM map for whole US

2009-09-05 Thread Apollinaris Schoell

On 5 Sep 2009, at 11:24 , Dave Hansen wrote:

> On Sat, 2009-09-05 at 11:11 -0700, Apollinaris Schoell wrote:
>> you can run osmosis on the planet with a US boundary polygon.  If you
>> don't mind some overlaps with Canada and Mexico it is easier to  
>> clip a
>> rectangle.
>> this is what I use to get all of washington, oregon, california in  
>> one
>> extract.
>> bzcat  | osmosis --rx pipe --bb left=-126 right=-113  
>> bottom=32
>> top=49.5 clipIncompleteEntities=true --wx - | gzip -c > > planet>
>
> I know this is all possible, but it is error-prone and I'd prefer  
> not to
> have to do it myself.
>
> Surely I'm not the only person that needs a USA exrtact, though.  Is
> there really no one that has one available.
>

has never seen any links. and don't have the webserver to host it.  
otherwise I wouldn't mind to create them.

> -- Dave
>


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Re: [Talk-us] Garmin OSM map for whole US

2009-09-05 Thread Dave Hansen
On Sat, 2009-09-05 at 11:11 -0700, Apollinaris Schoell wrote:
> you can run osmosis on the planet with a US boundary polygon.  If you  
> don't mind some overlaps with Canada and Mexico it is easier to clip a  
> rectangle.
> this is what I use to get all of washington, oregon, california in one  
> extract.
> bzcat  | osmosis --rx pipe --bb left=-126 right=-113 bottom=32  
> top=49.5 clipIncompleteEntities=true --wx - | gzip -c > 

I know this is all possible, but it is error-prone and I'd prefer not to
have to do it myself.

Surely I'm not the only person that needs a USA exrtact, though.  Is
there really no one that has one available.

-- Dave


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Re: [Talk-us] Garmin OSM map for whole US

2009-09-05 Thread Apollinaris Schoell
you can run osmosis on the planet with a US boundary polygon.  If you  
don't mind some overlaps with Canada and Mexico it is easier to clip a  
rectangle.
this is what I use to get all of washington, oregon, california in one  
extract.
bzcat  | osmosis --rx pipe --bb left=-126 right=-113 bottom=32  
top=49.5 clipIncompleteEntities=true --wx - | gzip -c > 

Osmosis can compress/decompress the files but runtime on multicore  
machines is better this way. Also bzip is terrible slow and I prefer  
gzip for compression.

On 5 Sep 2009, at 10:34 , Ian Dees wrote:

>
>
> On Sat, Sep 5, 2009 at 12:23 PM, Dave Hansen  wrote:
>
> Does anybody else have some nice USA extracts that could be used for
> making garmin maps?
>
>
> I'd like to have a lower-48 OSM planet file extract for a keepright  
> mirror, as well.
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Re: [Talk-us] Garmin OSM map for whole US

2009-09-05 Thread Apollinaris Schoell
Here you can request and download any region of the planet. currently  
there are still some problems with the splitting in US
http://garmin.na1400.info/routable.php
Your approach will not allow routing across states because Cloudmade  
maps clip at state boundaries.
If you can write script to combine the maps it's as simple to create  
all of them yourself based on a planet file or US planet extract.
have done only the western states not whole US yet but should run in  
less than a day on a reasonable computer.
process is
- planet file
- osmosis to download diff files incrementally
- osmosis to clip area
- splitter to split tiles. first time is try and error until tiles are  
small enough. subsequent runs use same tile size for updates
- mkgmap to compile

Can try next week to run whole US for runtime stats and scripts to  
share. need to prepare for some hiking trip now 


On 5 Sep 2009, at 10:23 , Dave Hansen wrote:

> For those of you that don't know, Cloudmade has some really cool
> ready-made maps available for download.  I know they work on Garmin
> devices, but there are probably some others.
>
>   http://downloads.cloudmade.com/north_america/united_states
>
> The problem is that they're made one state at a time.  I'm lazy, so I
> buy large cards for my GPSes and load the whole country on them so I
> don't ever have to reload maps.  But, with the Cloudmade maps, I  
> have to
> only load a single state at a time.  If I want another state, I have  
> to
> take the card out (or plug the GPS in) and move another state's
> gmapsupp.img file in.
>
> Well, mkgmap has come to the rescue:
>
>   http://www.mkgmap.org.uk/index.html
>
> It allows you to combine several gmapsupp.img files.  I've downloaded
> all of the US states (plus a few territories), and fed them through
> mkgmap.  The result is a single file you can put on your Garmin GPS  
> for
> the whole country.  I've also stuck the bash script in here so you can
> see how I did it:
>
>   http://dev.openstreetmap.org/~daveh/garmin/
>
> Just download, bunzip2, rename USA.$DATE.gmapsupp.img to plain
> 'gmapsupp.img' and move it over to your device.
>
> There are a couple of little issues with the way roads get drawn.   
> Some
> little residential roads get drawn in bold red (is this from the  
> OSM.err
> stuff?).  So, if you know the Cloudmade people who are working on  
> this,
> I'd like to get in touch with them to make a few minor tweaks.  I'd  
> also
> like to get this off of the dev server and put somewhere a bit better
> for downloading such a big file.
>
> Can anybody at Cloudmade want to share the scripts/programs that are
> creating these files?
>
> Does anybody else have some nice USA extracts that could be used for
> making garmin maps?
>
> -- Dave
>
>
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Re: [Talk-us] Garmin OSM map for whole US

2009-09-05 Thread Ian Dees
On Sat, Sep 5, 2009 at 12:23 PM, Dave Hansen  wrote:

>
> Does anybody else have some nice USA extracts that could be used for
> making garmin maps?
>
>
I'd like to have a lower-48 OSM planet file extract for a keepright mirror,
as well.
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[Talk-us] Garmin OSM map for whole US

2009-09-05 Thread Dave Hansen
For those of you that don't know, Cloudmade has some really cool
ready-made maps available for download.  I know they work on Garmin
devices, but there are probably some others.

http://downloads.cloudmade.com/north_america/united_states

The problem is that they're made one state at a time.  I'm lazy, so I
buy large cards for my GPSes and load the whole country on them so I
don't ever have to reload maps.  But, with the Cloudmade maps, I have to
only load a single state at a time.  If I want another state, I have to
take the card out (or plug the GPS in) and move another state's
gmapsupp.img file in.

Well, mkgmap has come to the rescue:

http://www.mkgmap.org.uk/index.html

It allows you to combine several gmapsupp.img files.  I've downloaded
all of the US states (plus a few territories), and fed them through
mkgmap.  The result is a single file you can put on your Garmin GPS for
the whole country.  I've also stuck the bash script in here so you can
see how I did it:

http://dev.openstreetmap.org/~daveh/garmin/

Just download, bunzip2, rename USA.$DATE.gmapsupp.img to plain
'gmapsupp.img' and move it over to your device.

There are a couple of little issues with the way roads get drawn.  Some
little residential roads get drawn in bold red (is this from the OSM.err
stuff?).  So, if you know the Cloudmade people who are working on this,
I'd like to get in touch with them to make a few minor tweaks.  I'd also
like to get this off of the dev server and put somewhere a bit better
for downloading such a big file.

Can anybody at Cloudmade want to share the scripts/programs that are
creating these files?

Does anybody else have some nice USA extracts that could be used for
making garmin maps?

-- Dave


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Re: [Talk-us] question: relations & divided highways

2009-09-05 Thread Mike N.
> - relation checker will flag the route a broken. again very difficult
> to verify and fix

  The relation analyzer now takes roles into account and will analyze each 
role separately and identify each as complete.

>exactly, performance of editors is very bad with a huge number of
>relations.

   The Potlatch editor used to slow down with relations, but I believe this 
has been fixed.  JOSM will not load all relation members unless instructed 
to do so.  But having too many members in a relation makes it more difficult 
to select the desired areas to load. 


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