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: unleashk...@googlegroups.com [mailto:unleashk...@googlegroups.com] On 
Behalf Of Adam Holt
Sent: Tuesday, August 11, 2015 12:19 AM
To: xsce-devel <xsce-de...@googlegroups.com>; Unleash Kids! 
<unleashk...@googlegroups.com>; server-devel <server-devel@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 
unleashk...@googlegroups.com <mailto:unleashk...@googlegroups.com> , so am 
bringing that thread full circle.)

 

On Mon, Aug 10, 2015 at 11:01 PM, Anish Mangal <anis...@umich.edu 
<mailto:anis...@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 <gagno...@gmail.com 
<mailto:gagno...@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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