[IAEP] [XSCE] RE: [UKids] Re: [support-gang] Taking OpenStreetMap Offline - DESIGN Call - Thur June 11, 10AM EDT / 2PM UTC

[Tim Moody]

couple of observations:

 

As expected, the new tiles have a lot more detail.

 

There are more levels of zoom in the new ones.

 

Some names have changed - the old map had Lalitpur and the new one has Patan (both are used)

 

I don't see any boxes for unprintable characters, but there is a lot less Devanagari. (Google maps has more)

 

Is it possible to merge individually generated regional tiles?  for example if you rendered India and Nepal separately would you get both?

 

What happens if you render the world at level 10 and then specific countries at 16?

 

From: xsce-devel at googlegroups.com [mailto:xsce-devel at googlegroups.com] On Behalf Of Anish Mangal
Sent: Saturday, June 13, 2015 10:06 PM
To: Jérôme Gagnon-Voyer
Cc: xsce-devel; Community Support Volunteers -- who help respond to help AT laptop.org; Unleash Kids!; server-devel; iaep; Internet In a Box Working Group; Jaakko Helleranta
Subject: Re: [XSCE] RE: [UKids] Re: [support-gang] Taking OpenStreetMap Offline - DESIGN Call - Thur June 11, 10AM EDT / 2PM UTC

 

Hi,

Following from the skype call this week, I uploaded Nepal's OSM data in postgres and render tiles to see performance, and as expected, everything is blazing fast. 

The pbf file went into the postgress in less than 5 minutes, and tiles are being rendered pretty fast as well.

You can check it yourself by going to 
http://home.braddock.com:28112/osm/slippymap.html

* Select Mapnik

* Zoom out and center over Nepal

* Select Local tiles

* Zoom in

I don't know what this "proves" as the bottleneck still is doing this for the entire planet, which we need to figure out a way for anyway.

Best,

Anish

 

 

On Sun, Jun 14, 2015 at 6:02 AM, Anish Mangal <anishmg at umich.edu <mailto:anishmg at umich.edu> > wrote:

Hi Jérôme,

I incorporated one of your comments; as for the other I think Timm, Nick would be better suited for the discussion (python backend v/s frontend js). :-)

Best,

Anish

 

On Sun, Jun 14, 2015 at 3:22 AM, Jérôme Gagnon-Voyer <gagnonje at gmail.com <mailto:gagnonje at gmail.com> > wrote:

Hi Anish

 

Great document. I've added 2 comments to the document, feel free to incorporate into the document if that makes sense.

 

Also added a TODO for myself to do more research about the various search solutions. 

I've used Nominatim in the past (on the client side, not the server infrastructure) and it was overall very good, but I'll want to know more about the other ones.

 

On Sat, Jun 13, 2015 at 12:51 PM, Tim Moody <tim at timmoody.com <mailto:tim at timmoody.com> > wrote:

Thanks, Anish for an excellent start at getting this down on paper (so to speak).  I think this covers things pretty well and gives us the necessary hooks on which to hang the details as we begin fleshing out solutions to the requirements you documented.

 

Under issues I added one point about rendering non-Roman character sets.

 

From: unleashkids at googlegroups.com <mailto:unleashkids at googlegroups.com>  [mailto:unleashkids at googlegroups.com <mailto:unleashkids at googlegroups.com> ] On Behalf Of Anish Mangal
Sent: Saturday, June 13, 2015 12:15 PM
To: Community Support Volunteers -- who help respond to help AT laptop.org <http://laptop.org> 
Cc: Unleash Kids!; server-devel; xsce-devel; iaep; Internet In a Box Working Group; Jaakko Helleranta
Subject: [UKids] Re: [support-gang] Taking OpenStreetMap Offline - DESIGN Call - Thur June 11, 10AM EDT / 2PM UTC

 

Okay, so I tried to encapsulate whatever we discussed into a design document, which can hopefully serve as a base for reaching out to the OSM community and to better organize our own thoughts. 

https://docs.google.com/document/d/1LWsN-cPH3lvMuXS-f0Tk8IWVh-3X808WoIt0OJ-QNt8/edit# <https://docs.google.com/document/d/1LWsN-cPH3lvMuXS-f0Tk8IWVh-3X808WoIt0OJ-QNt8/edit> 

Please feel free to edit the information there as I may have missed some points, or interpreted them differently than as intended. 

Best,

Anish

 

On Fri, Jun 5, 2015 at 12:00 AM, Adam Holt <holt at laptop.org <mailto:holt at laptop.org> > wrote:

Who's attending http://stateofthemap.us at the UN in NYC this weekend?

Who's most serious about bringing OpenStreetMap's opportunities and rapid progress into the hands of the world's offline poor -- kids and all, American and Swahili?  Wanna Take This Map Outside, offline and off the grid, where we all belong/began?

http://Internet-in-a-Box.org and similar efforts have made a gigantic 1st step: in Ghana and Rwanda I could never have imagined better reviews to our 2015 deployments begun there in recent months.  Many are now changing the game increasingly for the Bottom BillionS, among many who've literally never seen a globe before, nevermind a map of their own towns.  Both in OLPC (school) contexts, in libraries, on Nepali hillsides where folks don't have proper homes, and far beyond --- perspectives (literally) are about to change.

But modern phones today contain more than enough gigabytes to display ALL OpenStreetMap map detail within most countries, and yet they do not yet, WHY?  Where are the Khan Academies and KA Lites of OSM (OpenStreetMap) bringing new classroom/journalistic rubrics, freeing everyone's "brain software" to explore and document our own communities in our own languages?

Who Will Take The Next Steps?
What engineering middleware, distribution vectors, community/economic models, and final field packagings will get us all there & beyond?

Will offline edit-contributions prove impossible, much like with Wikipedia in Peru, when offline kids edit overly stale OpenStreetMap/Wikipedia images a year before/later?


 

As such the wider OLPC community is hosting a DESIGN Call to bring forward ideas across the OpenStreetMap landscape, fertilizing our immediate work with school server projects like http://schoolserver.org, http://xsce.org, https://en.opensuse.org/openSUSE:Education-Li-f-e ETC.  Ministries of Education in India elsewhere are watching closely, expressly eager to help if we can point the way.  All giving our "2020 Vision" questions very practical and immediate "customers" well before 2020, much like Garmin GPS units fed a wonderful ecosystem of geo-specific "gmapsupp.img" offline map files over the past decade: http://wiki.openstreetmap.org/wiki/OSM_Map_On_Garmin/Download

That decade's now done: what IS our framework for the coming decade?  Please join us if you have strategic/partnership ideas towards making Offline OSM Designs happen, Thank You !!

 

10AM New York Time / 2PM UTC

Thursday, June 11th

RSVP with your Skype username, if we are more than 15-20 we'll use an industrial conference call system instead!


CONCLUSION: Could OpenStreetMap be the very ultimate in Constructionist Learning Projects, replacing OLPC in coming years, on a quickly shrinking/endangered but still green-in-parts planet?  Regardless, how to build the OLPC Movement's offline/civic learning successes, consciously learning from its community infrastructural mistakes?  Nick Doiron (http://mapmeld.com) and Anish Mangal (https://in.linkedin.com/in/anishmangal) who've spent years thinking about this topic will lead the discussion, agenda is entirely yours!  OPTIONAL: submit agenda items in advance right here:

https://docs.google.com/document/d/1o6QtzLb6e58YKWqMf_junux2XyBRLFm31un8YLcYslg

 

< forward invitation to Twitter/wherever as appropriate >



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Jérôme Gagnon-Voyer





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