Re: [OSM-talk] Contour lines from SRTM-Data in OSM format

2008-11-16 Thread maning sambale
CE,

I am interested to get Phiilippine contours in img
http://openstreetmap.org/?lat=12.24&lon=122.07&zoom=6&layers=B000FTF

cheers,
maning

On Sat, Nov 15, 2008 at 8:00 AM, Christoph Eckert <[EMAIL PROTECTED]> wrote:
> Hi,
>
> I have used srtm2osm (all credits to Igor Brejc) to convert srtm data into OSM
> contour lines. All tiles are zippes in zip format and the complete world
> consumes 61G of disk space. See some example at [1].
>
> I have some questions so far:
>
> * I have no clue if there's some interest in the data, but if so, what would
> be the best method to distribute it? I thought about Bittorrent, but I have
> no clue if it is sufficient if there only are a couple of downloaders.
>
> * OSM2Navit just crashes when I try to convert the tiles for Navit. So if
> someone knows a little bit more about C than me... ;-)
>
> * One further usage of the data was to convert it as Garmin tiles, using a
> transparent background. This way, the data could be used in conjunction with
> openstreetmap, well, maps :) . I do not use such maps on Garmin, but if
> someone fiddles out how to do it best, we surely can run a script again.
>
> * If someone needs an individual tile, "do not hesitate to drop me a
> line" :) .
>
> Cheers,
>
> ce
>
> [1] http://www.christeck.de/wp/?p=114
>
>
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>



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Re: [OSM-talk] Contour lines from SRTM-Data in OSM format

2008-11-15 Thread Matt Amos
On Sat, Nov 15, 2008 at 10:10 AM, Igor Brejc <[EMAIL PROTECTED]> wrote:
> Well, first of all, CycleMap uses the same SRTM data (as far as I know),
> so if the license is an issue, this applies to CycleMap too.
> I haven't been able to find any info directly describing the license of
> SRTM, but, as far as I know, all NASA's products (images, data) are
> "public domain". And since people who generated SRTM void-filled data
> license it under their own terms (and not NASA's), I guess this means
> that the original data has a very permissive license. So we should be in
> the clear ;)

the license for CGIAR's void-filled dataset is here:
http://srtm.csi.cgiar.org/SELECTION/SRT_disclaimer.htm

it looks like using the dataset for deriving contours for
non-commercial use is OK as long as the contours (and tiles based on
them) are attributed to CGIAR.

cheers,

matt

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Re: [OSM-talk] Contour lines from SRTM-Data in OSM format

2008-11-15 Thread Igor Brejc
Christoph Eckert wrote:
> Hi,
>
>   
>>> I believe srtm2osm uses void filled data that is copyrighted. So is
>>> you do distribute the results make sure that you specify it's only for
>>> academic research. IANAL.
>>>   
>> No, it uses original SRTM data downloaded directly from NASA's FTP server.
>> 
>
> I've been on the SRTM pages a couple of minutes before, and am still unsure 
> about the license stuff. Before I distribute the data, I'd really like to 
> know if it is legal. Any hint would be much appreciated.
>
> Best regards,
>
> ce
>
>
>   
Well, first of all, CycleMap uses the same SRTM data (as far as I know), 
so if the license is an issue, this applies to CycleMap too.
I haven't been able to find any info directly describing the license of 
SRTM, but, as far as I know, all NASA's products (images, data) are 
"public domain". And since people who generated SRTM void-filled data 
license it under their own terms (and not NASA's), I guess this means 
that the original data has a very permissive license. So we should be in 
the clear ;)

Igor

-- 
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Re: [OSM-talk] Contour lines from SRTM-Data in OSM format

2008-11-15 Thread Christoph Eckert
Hi,

> > I believe srtm2osm uses void filled data that is copyrighted. So is
> > you do distribute the results make sure that you specify it's only for
> > academic research. IANAL.
>
> No, it uses original SRTM data downloaded directly from NASA's FTP server.

I've been on the SRTM pages a couple of minutes before, and am still unsure 
about the license stuff. Before I distribute the data, I'd really like to 
know if it is legal. Any hint would be much appreciated.

Best regards,

ce


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Re: [OSM-talk] Contour lines from SRTM-Data in OSM format

2008-11-15 Thread Igor Brejc
Nic Roets wrote:
> I believe srtm2osm uses void filled data that is copyrighted. So is 
> you do distribute the results make sure that you specify it's only for 
> academic research. IANAL.
>
No, it uses original SRTM data downloaded directly from NASA's FTP server.

Regards,
Igor

-- 
http://igorbrejc.net


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Re: [OSM-talk] Contour lines from SRTM-Data in OSM format

2008-11-15 Thread Nic Roets
I believe srtm2osm uses void filled data that is copyrighted. So is you do
distribute the results make sure that you specify it's only for academic
research. IANAL.

I used srtm2osm to make an OSM file of over 1 GB and played around with it
in gosmore. Distributing gosmore files that include srtm contours will be
pretty cool especially for hiking. But making a setup that uses the PD data
and does not exceed the 420MB limit on WinCE will take some effort.

Regards,
Nic

On Sat, Nov 15, 2008 at 2:00 AM, Christoph Eckert <[EMAIL PROTECTED]> wrote:

> Hi,
>
> I have used srtm2osm (all credits to Igor Brejc) to convert srtm data into
> OSM
> contour lines. All tiles are zippes in zip format and the complete world
> consumes 61G of disk space. See some example at [1].
>
> I have some questions so far:
>
> * I have no clue if there's some interest in the data, but if so, what
> would
> be the best method to distribute it? I thought about Bittorrent, but I have
> no clue if it is sufficient if there only are a couple of downloaders.
>
> * OSM2Navit just crashes when I try to convert the tiles for Navit. So if
> someone knows a little bit more about C than me... ;-)
>
> * One further usage of the data was to convert it as Garmin tiles, using a
> transparent background. This way, the data could be used in conjunction
> with
> openstreetmap, well, maps :) . I do not use such maps on Garmin, but if
> someone fiddles out how to do it best, we surely can run a script again.
>
> * If someone needs an individual tile, "do not hesitate to drop me a
> line" :) .
>
> Cheers,
>
> ce
>
> [1] http://www.christeck.de/wp/?p=114
>
>
> ___
> talk mailing list
> talk@openstreetmap.org
> http://lists.openstreetmap.org/listinfo/talk
>
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[OSM-talk] Contour lines from SRTM-Data in OSM format

2008-11-14 Thread Christoph Eckert
Hi,

I have used srtm2osm (all credits to Igor Brejc) to convert srtm data into OSM 
contour lines. All tiles are zippes in zip format and the complete world 
consumes 61G of disk space. See some example at [1].

I have some questions so far:

* I have no clue if there's some interest in the data, but if so, what would 
be the best method to distribute it? I thought about Bittorrent, but I have 
no clue if it is sufficient if there only are a couple of downloaders.

* OSM2Navit just crashes when I try to convert the tiles for Navit. So if 
someone knows a little bit more about C than me... ;-)

* One further usage of the data was to convert it as Garmin tiles, using a 
transparent background. This way, the data could be used in conjunction with 
openstreetmap, well, maps :) . I do not use such maps on Garmin, but if 
someone fiddles out how to do it best, we surely can run a script again.

* If someone needs an individual tile, "do not hesitate to drop me a 
line" :) .

Cheers,

ce

[1] http://www.christeck.de/wp/?p=114


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