[Server-devel] [UKids] Re: [XSCE] Tilestache on XSCE stack (OSM offline)

Tue Aug 11 09:00:37 EDT 2015

You define the path to the mbtiles in tilestache.cfg, so yes, they could be
in any location (as long as the access rights / permissions are right)

On Tue, Aug 11, 2015 at 8:28 AM, Tim Moody <tim at timmoody.com> wrote:

> This looks great and not overly complex.  XSCE uses one convention that
> you are probably not aware of and that is that we put data in /library, in
> this case probably /library/osm or tilestache or some combination.  Can
> tilestache.cfg point to a location different than the html and config files?
>
>
>
> *From:* unleashkids at googlegroups.com [mailto:unleashkids at googlegroups.com]
> *On Behalf Of *Adam Holt
> *Sent:* Tuesday, August 11, 2015 12:19 AM
> *To:* xsce-devel <xsce-devel at googlegroups.com>; Unleash Kids! <
> unleashkids at googlegroups.com>; server-devel <server-devel at lists.laptop.org
> >
> *Subject:* [UKids] Re: [XSCE] Tilestache on XSCE stack (OSM offline)
>
>
>
> Don't stop pushing Jerome- I hope you can demonstrate Nepal-or-larger
> working models during our Toronto summit Oct 10-12.
>
> See you 7AM EDT Thursday on our weekly call, if you have time for our
> unusually early meeting this week: http://tinyurl.com/xsceminutes
>
>
> (Several of our early design discussions on offline mapping began on
> unleashkids at googlegroups.com, so am bringing that thread full circle.)
>
>
>
> On Mon, Aug 10, 2015 at 11:01 PM, Anish Mangal <anishmg at umich.edu> wrote:
>
> adding server-devel (the publicly archived mailing list) as well.
>
> Great work. Thanks!
>
> Happy to help with the testing. I have an intel NUC running an atom
> processor 2 Ghz, and 2GB RAM - not exactly low end, but still a viable
> appliance to deploy the xsce.
>
> Could you tell me how to get the mbtiles from your ftp. If this works, I
> can help with creating a playbook - and possibly admin console integration.
>
> Thanks,
>
> Anish
>
>
>
>
>
> On Tue, Aug 11, 2015 at 8:19 AM, Jérôme Gagnon-Voyer <gagnonje at gmail.com>
> wrote:
>
> Hi all
>
>
>
> This is about the project to bring a new way of storing OpenStreetMaps
> offline for internet in a box (schoolserver).
>
>
>
> (Apologies if I'm using the wrong mailing list, feel free to add more)
>
>
>
> I wanted to test what it would look like to run Tilestache to serve
> .mbtiles using the schoolserver. So I installed XSCE on a local VM with
> Fedora 21 here, installed Tilestache, moved the .mbtiles in it, and did
> some testing.
>
> So far I only tested with Nepal zoom 0-13 and Nepal zoom 14-15 (to see how
> combining multiple files was working)
>
> I reduced the VM to use only 1 core at 50% (I'm on MBP Intel i5 2.6Ghz, 2
> cores). Speed was decent when viewing with leaflet in my browser from my
> laptop.
>
>
>
> I've created a gist that explains all the steps required to do it
>
> https://gist.github.com/jeromegv/cb64bc2c9777794e80af
>
>
>
> The reason I wanted to test it was also to see if the integration would be
> relatively straightforward. I assume you would eventually want to do the
> install through the schoolserver admin console. When comes the time to do
> that, I might not be the person to do this integration, but I think that
> the steps I've done so far should at least prove that the XSCE stack should
> be compatible.
>
>
>
>    - I might not have the best testing setup or what is similar to a
>    typical schoolserver, if you have the proper hardware to test, let me know,
>    I can send you the .mbtiles on a FTP for nepal and you can test it (about
>    1Gb)
>    - Feel free to provide feedback on the GIST and if the integration
>    seems to make sense
>    - There's an extra optimization that is possible for tilestache, to
>    cache the tiles to the HD once they were retrieved and served from the
>    .mbtiles once. It's currently disabled. Not so sure if it's worth it and
>    how much we would gain considering MBtiles are already pre-rendered files,
>    perhaps better to test once we have a full planet. The downside is that it
>    stores on HD a lot of PNG files and this might eventually baloon if you get
>    tons of people to use those maps. Benefit of sticking entirely to mbtiles
>    is we know exactly how much disk space. Might be optional setting from
>    admin console when there's plenty of HD available.
>    - Next step for me will be to test generation of MBtiles for bigger
>    country and eventually get to the Planet. Will need some type of cloud
>    setup to manage/store all that.
>
> Thanks
>
>
>
> --
>
> Jérôme Gagnon-Voyer
>
> --
>
> Unsung Heroes of OLPC, interviewed live @ http://unleashkids.org !
>
> --
> Unsung Heroes of OLPC, interviewed live @ http://unleashkids.org !
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-- 
Jérôme Gagnon-Voyer
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