Re: [OSM-talk] Congratulations, community. was: Cloudmade routing

[Jonas Svensson]

On Tue, 1 Dec 2009, Richard Weait wrote:

> So if, in fact, CloudMade has week-old data that is giving sub-optimal
> routing results in this case, I think that we should congratulate
> ourselves and them.

The bridge itself has not been changed for almost a month and it has been
around since 2006 in OSM. So I am not sure one can judge very much from this
example.

/Jonas

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[OSM-talk] Cloudmade routing

[Jonas Svensson]

Is this a bug in cloudmade routing or is there some problem with the
tagging of our roads in this example?

See

The routing has avoided the bridge "Tullbron" which is a bridge which is
perfectly fine to drive on. I get the same route for both fastest and
shortest, neighter is probably correct.

/Jonas

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[OSM-talk] restore favorites in Garmin Edge 705?

[Jonas Svensson]

How do I restore the data in a Garmin Edge 705 after firmware 
upgrade? I have a backup of \Garmin\GPX\current\current.gpx but 
simply writing it back from the computer does not seem to work. It 
is simply replaced with the new empty one. 

There seems to be some changes in the file, ie altitude is added 
for each waypoint, so I also tried to simply cut and paste an 
existing waypoint and only change the name but that does not work 
either.

/Jonas


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Re: [OSM-talk] "corrections" by Ropino

[Jonas Svensson]

On 15 Sep 2009 at 14:11, Tom Hughes wrote:

> On 15/09/09 13:54, Ævar Arnfjörð Bjarmason wrote:
> 
> > The user Ropino is making some sort of cleanup edits to large
> > parts of the planet:
> >
> >  http://www.openstreetmap.org/user/Ropino/edits
> 
> That bot has been on the loose for ages.

Besides check all those edits, what would be the best way to see if 
there are any changes in my area by that person? I have found one 
bad edit so far.

/Jonas


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[OSM-talk] Cloudmade Maps routing

[Jonas Svensson]

According to http://maps.cloudmade.com/ it is not possible to drive by car
from Stensättaregatan (58.41685269735186 15.595479011535645) to
Skräddaregatan (58.41647059846362 15.597131252288818). Is there some
problem in the tagging of the streets or is it because the routing is a
little too good at following access rules? Grenadjärgatan (the only
connection) is limited
access, anyone is allowed to drive there but only if you have to to reach
destination.

I get this error:
"Error processing request, message:Cannot create endpoint, The way
specified cannot locate the point on it"

If I select other streets closeby which still needs to route by
Grenadjärgatan I get "Cannot find the road between points".

/Jonas



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Re: [OSM-talk] GPS logger

[Jonas Svensson]

On Tue, 28 Apr 2009, OJ W wrote:

> The NaviGPS isn't ideal if you're away from a source of power, since
> its internal battery lasts about 1 day, and you can't just put spare
> batteries into it.
>
> It might be possible to get somewhere with a USB power-pack to
> recharge it overnight (that's what I used for a 1-week trek, which
> meant constantly feeding batteries into the usb-recharging-gadget to
> try and keep the NaviGPS' internal battery charged - not very
> efficient)

Or solar powered, like . I
have not tried one but would like to know if they are usable?

/Jonas


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Re: [OSM-talk] OSM on The Reg

[Jonas Svensson]

On Wed, 11 Feb 2009, Kenneth Gonsalves wrote:

> yes. OSM. And there is a limit to the extent that we can dumb down the
> interface without compromising usefulness. How would 'add a road'
> work? I cannot even begin to dream of how to code such a thing.

Just guessing:
That kind of user might be looking for something like a "wizard":
click button "add road" -> show instruction "click start of road" -> show
instruction "click end of road" -> show instruction "enter name of road".

I know that there are a lot of details missing there.

/Jonas

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Re: [OSM-talk] Hit my server

[Jonas Svensson]

Thanks to everyone! I will shut down the server in a few minutes.

Regarding purpose and what I learned: So far I learned that a 
server does not need as much disk space as I expected. Postgres 
uses about 40GB (full planet but no relations) and the tile cache 
has still not reached 1 GB. Ram is very useful for cache but 
otherwise does not seem to be quite critical. cpu power is really 
needed for realtime rendering, as some of you have seen when 
waiting for tiles and only getting 404. I guess cpu limits can, to 
some extent, be avoided by prerendering tiles more agressivly. A 
lot of cpu cores could have been useful too I assume.

The server has been a virtual machine by KVM in Ubuntu. Running 
32bits ubuntu, about 3GB ram, 60GB disk and using a single core in 
an Intel Core 2 duo 2.4 GHz. Importing the planet to the database 
took about 12h.

Some of you has also mentioned the choice of language for the map. 
I selected in this order: primarily swedish (name:sv), english 
(name:en), german (name:de), french (name:fr), spanish (name:es) 
and otherwise local/default (name). From this I learned that it is 
not so easy to set up a regionalized server as one might think. 
Places in the main area of a language does not always have a name 
tag with the main language. For example Gothenburg in Sweden were 
tagged as name-Göteborg and name:en-Gothenburg and since name:sv 
where missing, my name selection failed. If I had selected only one 
preferred language I could have avoided that problem. Depending on 
if I would like to high light the problem or avoid it.

/Jonas

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[OSM-talk] Hit my server

[Jonas Svensson]

I have set up a temporary openlayers/mapnik-server at 
. It can't take much load 
initially when rendering tiles, but I am curious about what happens 
later when the cache is covering most. So please feel free to hit 
it it! It will only be availabe for a few hours.

/Jonas


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[OSM-talk] HW for car

[Jonas Svensson]

Have you seen the Norhtec Touche Panel PC
?

I think it would be suitable for building an in car gps system, do you?
Somewhat expensive though.

/Jonas

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Re: [OSM-talk] Paying registration fee for SOTM

[Jonas Svensson]

On Mon, 30 Jun 2008, John McKerrell wrote:

>
> On 29 Jun 2008, at 22:57, Gervase Markham wrote:
>
> > Etienne wrote:
> >> There have been some reports of invoices not being received -
> >> probably
> >> due to spam filtering.
> >
> > I have filters, but I keep all the spam. (Several GB of it.) I've
> > searched back through the relevant time area and can't find this
> > message.
> >
> Hopping on a bandwagon... I looked through my spam and couldn't find
> it, does suggest that some just didn't get delivered for some reason.

I have not seen any invoice either but I have not searched the spam-folder
yet. Any suggestions on a good string to search for?

/Jonas S

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[OSM-talk] Mapping China

[Jonas Svensson]

"After text, pictures, and videos, China starts regulating Internet map
publishing (here is the google translation.) The government believes that
Internet maps can represent the state's sovereignty and its political and
diplomatic positions in the international community . and consequently,
inaccurate maps could harm national interests and dignity, produce bad
political influences, reveal national secrets and harm national security,
in addition to harming consumer interests."

See
,
is this news or just the old stuff?

/Jonas S



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Re: [OSM-talk] Never run out of batteries again!

[Jonas Svensson]

On Thu, 21 Feb 2008, Andy Robinson (blackadder) wrote:

> I remember those rim running dynamos on my bike as a kid. I hated them
> because they made a load of noise and you could really feel the resistance.
> It amazes me that nobody has come up with a simpler and more efficient
> solution.

There are better solutions, at least for the bikes headlight. I do not
know what the name is in english but the generator is mounted in the
center of the wheel. Can't feel the resistance and it won't clog up by snow.
See for example
 (in Danish).

/Jonas


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