Re: Garmin eTrex Vista-C Map Downloads

Jan wrote:
> Sat, 31 Dec 2005 10:03:23 -0000, "Nigel Cliffe" <me@xxxxxxxxxxx>;
> <dp5l1c$cme$1$8302bc10@xxxxxxxxxxxxxxxx>; <sci.geo.satellite-nav>:
>
> (Joe DiFonzo)
>>> Is it possible to load the better road maps onto the unit without
>>> losing the marine POI information?
>>
>> Not with the default way of working using Garmin's standard software.
>
> If all the maps are in the same Mapsource application, I have
> experienced that I can combine maps of different types in the upload.
> E.g. City Select and local topographic maps (also Mapsource). I can't
> see why it shouldn't work just as well with one or more charts
> together with e.g. City Select. Only, how do they behave in the
> overlapping areas? Somebody did write something about that in this
> newsgroup a couple of years ago.

The above is normal for any product which is within Mapsource. I routinely
use tiles from multiple "products", some Garmin and some home-brewed.

The problem is that the Marine POI file isn't part of Mapsource, and its not
obvious how one would move the Marine POI data file into Mapsource.

(I had a quick try today before posting my earlier reply, and inspite of
being in possession of some third-party map drawing/compiling tools, and the
ability to write my own maps for Mapsource, I couldn't get the Marine POI
file into Mapsource. That's not to say it cannot be done with a bit more
work or knowledge. The only way I could think it might work would be to
use a third-party map loader which doesn't erase the maps already present in
the GPS device. )


- Nigel



--
Nigel Cliffe,
Webmaster at http://www.2mm.org.uk/


.

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