[gps-talkusers] Re: size of maps
- From: Mike Arrigo <n0oxy@xxxxxxxxxxx>
- To: gps-talkusers@xxxxxxxxxxxxx
- Date: Fri, 3 Jun 2011 18:22:28 -0500
Hi, thanks for the explanation, as far as the look around apps go, do they use
the 2011 maps? I know they just download map info as they need them, when the
new maps are released, are they updated on the server as well?
On Jun 3, 2011, at 4:42 PM, Charles LaPierre wrote:
> Hello Mike,
>
> Sendero uses the RichMap engine by deCarta which at the time over 10 years
> ago was the most compressed format in the industry, but times have changed
> and the original deCarta RichMap engine is no longer the most compressed
> format out there. Now if we were to use some other engine that would
> require probably 1 man year to port over to the new improved format which
> would be a highly compressed format but at what trade off? Who is to say
> all current functionality would be in this new format. Also in doing this
> we would have to charge users more since licensing a newer engine would
> undoubtedly cost more than our current contract and we would have to pass
> that cost to you. Not to mention all you would get is a more compressed map
> file format, you may loose functionality, it may cost more, and you would
> not get any new features since all my time would be to convert over to a new
> format. Then there is no guaranty it would run under all the OS's we
> currently run on (ie. they may not have a WinCE version so then all
> BrailleNote / HIMS Sense products would loose out.
>
> So this is why we haven't switch to another map database format.
>
> Hope this clears up this issue.
> Thanks.
>
> Charles LaPierre, CTO
> Sendero Group LLC
> http://www.SenderoGroup.com
>
> -----Original Message-----
> From: gps-talkusers-bounce@xxxxxxxxxxxxx
> [mailto:gps-talkusers-bounce@xxxxxxxxxxxxx] On Behalf Of Mike Arrigo
> Sent: Friday, June 03, 2011 2:26 PM
> To: gps-talkusers@xxxxxxxxxxxxx
> Subject: [gps-talkusers] size of maps
>
> Hey everyone, I guess this would mainly go to the sendero developers.
> It ays that the size of the entire United States is around 13 GB in
> size, yet the TomTom and Navigon apps for the Iphone only take about
> 1.6 GB for the size, this includes the entire United States. In
> particular, the TomTom app uses the Teleatlas, or I guess it's now the
> TomTOm maps, unless the sendero maps include more detail, but thought I
> would ask.
>
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