Desktop mapping software that can read playback files could meet your
needs. Products like Maptitude <http://www.MappingSoftware.com> can
connect to a GPS device or read in coordinates from a GPS to plot the
points. OpenStreetMap data is available in a number of formats from
various sources, and can be obtained as ShapeFiles for use in most
mapping software, if they do not already come with "off-line" street
databases.

On Aug 11, 11:06 pm, "Andrés G. Aragoneses" <[email protected]> wrote:
> Andrés G. Aragoneses wrote:
> > John P. wrote:
> >> Hi,
>
> >> The GPS band and data bands are separate, so you can get GPS
> >> information for free even if you don't have any carrier data plans.
> >> Even if you don't have wifi, you can still pickup GPS information.
> >> Note that accessing websites such as Google Maps requires data plan or
> >> wifi connection.  However, if you had mapping software that can
> >> interpret the GPS signals, then you can have mapping + location app
> >> without any "internet" connection.  Key example is GPS navigation
> >> system on cars -- they don't have internet connections (well, some
> >> may, but they're not necessary for the GPS nav system).
>
> > Ok, so my question is, can I do this with the GoogleMaps software
> > built-in in the phone? If not, is there any extension/addin or new
> > software that can save GoogleMaps service data to use as a cache when
> > there's no internet connection? If not, any other software installable
> > on the android that contains all this data?
>
> I mean, something like a TomTom navigator or an openstreetmap.org
> viewer? I'm wondering if this is the correct list to ask this, sorry if not!
>
> >> To relate to your case, I have a dev G1 phone that I can setup to use
> >> on wifi to use Google Maps and GPS for location information.  In this
> >> scenario, it doesn't use my AT&T data plan.
>
> > You say "on wifi", but I'm not referring to non-3G situations only, just
> > if I can use the GPS function when I have no internet connection at all
> > (thanks to the data was collected when I had internet connection).
>
> > Thanks,
>
> >    Andres
>
> >> On Aug 11, 1:16 pm, "Andrés G. Aragoneses" <[email protected]> wrote:
> >>> Hi there,
>
> >>> I'm thinking about buying an HTC Hero for usage in the US. I don't plan
> >>> to use it with 3G so I guess I'm fine. However, then I'm wondering, can
> >>> I use the GPS feature only when I'm connected via WiFi? Is there a way
> >>> to download GPS maps of a certain city to have them cached in the SD
> >>> card for its usage when there's no data connection?
>
> >>> Thanks,
>
> >>>         Andres
>
> >>> --

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