[OSM-talk] Making an offline OpenStreetMap CD/DVD ?

[Joseph Reeves]

I wonder if Portable GIS would help?

http://www.archaeogeek.com/blog/portable-gis/

Cheers, Joseph



2009/7/2  <simon at mungewell.org>:
>> Hi all,
>>
>> A team has formed amoung the Ubuntu community to help make Ubuntu work
>> well for NGOs (Non-Govermental Organisations, aka charities) [1] [2]. I
>> myself have done some volunteer work sending ubuntu computers to Africa
>> with Camara [3]. One problem with many places in the developing world is
>> non-existant or poor internet bandwidth. Many people have made an
>> Offline Wikipedia, Camara has done and it has been very successful.
>>
>> It occured to me that having good free offline maps would also be very
>> valuable, i.e. an offline OpenStreetMap.
>>
>> Has anyone done this with OSM?
>
> Hi Rory,
> I guess it depends on the precise requirements.
>
> Are you asking whether sections of geodata can be rendered into 'picture
> files' for view later? Of course this is basically what is happening all
> the time.
>
> If you want a 'slippy map' displayed in a local webbrowser this can also
> be achieved by having a local webserver or tile cache on the same machine
> that the web browser is on.
>
> Richard wrote up how to build/run a tileserver on Ubuntu:
> http://weait.com/content/build-your-own-openstreetmap-server
>
>>
>> If not, it should be easy enough to generate and create a CD, which
>> leads me to my next question. Approximatly how big are all the map
>> tiles? I doubt you'd fit the whole planet on a DVD. There might be ways
>> to make it simplified, less zoom levels, black & white vs colour,
>> restricted area, etc.
>>
>
> Leads me to ask an OpenLayers question.... can it support a fall back on
> the tile server. So one machine has priority covering a specific area, and
> when that area is left another machine takes over?
>
> Cheers,
> Mungewell.
>
>
>
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