Re: [location-iwg] Minutes from today's LocationTech call

[Tim Schaub <tschaub@xxxxxxxxxxx>]

On Mon, Jul 30, 2012 at 6:18 AM, Paul Spencer <pspencer@xxxxxxxxxxxxxx> wrote:
> Hi Chris,
>
> I looked into this project recently and it seems pretty awesome.  Being
> Java-based, it wouldn't work on iOS but I'd be curious how well it could be

side note: see http://www.codenameone.com/

> made to run on Android devices.  An objective-c port of the code probably
> wouldn't be too strenuous.
>
> There are two key factors in getting routing and vector rendering onto
> mobile devices - minimizing the size of data sets for any given region (save
> data transfer costs and on-device space), and producing near-real time
> results.
>
> For routing, I suspect the two are somewhat mutually exclusive.  From what
> I've read of routing algorithms, the "continental" scale algorithms tend to
> rely on huge pre-built indexes to achieve impressive performance.  In
> looking briefly at Project OSRM, for instance, the size of the index files
> for even a moderately sized region would be prohibitive for most devices on
> the market today.
>
> Cheers
>
> Paul
>
> On 2012-07-26, at 1:46 PM, Chris Holmes <cholmes@xxxxxxxxxxx> wrote:
>
> If you're looking at routing I highly recommend checking out
> http://opentripplanner.org/
>
> It's not really optimized to run directly on mobile devices offline right
> now, but could potentially be improved for that. It's a great set of code, a
> solid community, and a bunch of production users. It'll also be the basis of
> this -
> http://www.kickstarter.com/projects/228865951/transit-app-for-ios-6-and-beyond
> (which I do encourage everyone to support). OpenPlans is the parent
> organization of OpenGeo, and their transit group is a sister to us.
>
> Chris
>
> On Thu, Jul 26, 2012 at 8:54 AM, Dave McIlhagga <dmcilhagga@xxxxxxxxxxxxxx>
> wrote:
>>
>> Hi Andrew,
>>
>> We have a requirement over the next 1-2 years for a set of libraries to
>> support client-side map rendering and routing in mobile/tablet devices. This
>> would be capability that would have to run off-line on the devices.
>>
>> Currently there are no open source packages that support all of this, and
>> that have commercial-friendly licensing.
>>
>> We're prepared to make some resource commitments to this initiative over
>> the next couple of years, but need additional partners to be involved --
>> we're hoping we can find some friendly faces around the Eclipse table to
>> move this forward.
>>
>> Paul Spencer would be willing to provide a presentation outlining a vision
>> for what these software packages might look like -- and perhaps we could
>> have a discussion with other participants at the next meeting? Let us know
>> if this would be of interest to the group.
>>
>> Thanks,
>> Dave
>>
>>
>> Dave McIlhagga
>> dmcilhagga@xxxxxxxxxxxxxx
>> p: 613-565-5056 x301
>> www.dmsolutions.ca
>>
>>
>>
>>
>>
>> On 2012-07-25, at 8:24 PM, Andrew Ross wrote:
>>
>> > Hi Everyone,
>> >
>> > There aren't really minutes from today given the agenda however for
>> > those that want to check out the presentations on Cesium & Nunaliit, please
>> > visit:
>> > http://wiki.eclipse.org/LocationTech/July25_2012
>> >
>> > Thank you to Matthew Ford and Amos Hayes for presenting.
>> >
>> > Please mark August 23, 2012 for our next meeting. Please use this list
>> > to make requests or volunteer to speak on a given topic.
>> >
>> > Best Regards,
>> >
>> > Andrew
>> > _______________________________________________
>> > location-iwg mailing list
>> > location-iwg@xxxxxxxxxxx
>> > http://dev.eclipse.org/mailman/listinfo/location-iwg
>>
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>
>
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>
>
> __________________________________________
>
>    Paul Spencer
>    Chief Technology Officer
>    DM Solutions Group Inc
>    http://research.dmsolutions.ca/
>
>
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>



-- 
Tim Schaub
OpenGeo http://opengeo.org/
Expert service straight from the developers.