Archived from groups: comp.sys.palmtops.pilot (
More info?)
Has anyone ever tried "Directions on the Go" software from the Palm
Store (MDM makes it)? I have tried to find out how it does, stacked up
against Mapopolis Navigator for OS5.
Ian Rawlings wrote:
> On 2004-12-10, Glenn Proctor <none@null.com> wrote:
>
> > Check out ViaMichellin's MapSonic. It's pretty good (IMO TomTom is
> > better but you can't buy that without buying a whole GPS bundle).
>
> I have Mapsonic and wouldn't buy it again. If only TomTom would nix
> this stupid rule they have where everything they produce for the Palm
> is twice the price of the PocketPC version.
>
> Mapsonic wasn't really designed to work with large maps. You can fit
> the whole of the UK onto an SD card of 256 megs in size if you don't
> add polygons (sea, rivers, woods etc) but it's a little clunky to
> use.
>
> Mapsonic has two calculation modes, "Complete" and "Partial", the
> former calculates the route to the destination from any point on the
> map and allows instant route recalculations but it takes about 5
> minutes to calculate even if the journey is only about 1 mile long as
> it calculated all routes to any part of the country (probably using a
> travelling wavefront algorithm).
>
> The other mode is "Partial" in which it calculates the route from the
> start to end only, and is quicker, however as soon as you go into
> navigation mode it clears the route and only recalculates when you
> start moving (so it can tell which direction you are travelling in).
> This recalculation can take about 2 minutes on some routes and as it
> only happens once you're driving then it can be a PITA if you are in
> the middle of a strange city, you have to stop as soon as it's
started
> calculating or risk driving onto one of the daft one-way systems that
> infest the cities. Sometimes during the journey it decides to re-run
> the calculation even if you're not off-route, so you lose the nav for
> a few minutes.
>
> Both methods of calculation eat memory, and when you try to quit
> mapsonic it tries to save the route, which involves writing what is
> sometimes an 8 megabyte file to your SD card, which can take many
> minutes to complete. I get caught out by this quite a bit as you
> drive to your approximage location, get the address book out to call
> your contact or look up the house number and then have to sit there
> for 5 minutes while it flashes "please wait" with no progress
> indicator... I never remember this until it's too late and I think
> "Why didn't I write that address down!!"
>
> Mapsonic also has absolutely no "avoid area" facilities or "route
> via", so you can't get it to take known traffic hotspots or map
> inaccuracies into account, and there's a fair few of these. The
utter
> inability to influence the route it suggests (other than by road type
> preference) is a major PITA as far as I'm concerned.
>
> Finally if an alarm goes off while Mapsonic is running, it crashes
the
> machine and you have to reset it, re-program your route and go
through
> all the recalculation again...
>
> Some of these problems can be worked around, but I've certainly
> learned what is important from Mapsonic. The manufacturer is
> unresponsive to problems. TomTom's technical support isn't any good
> either from past experience, but if Navigator had been available for
> Palm when I wanted a navigation app I'd not have given Mapsonic a
> second look.
>
> Having said all that, Mapsonic is much better than nothing, it's
still
> very useful, but they could have learned something from the many
years
> of navigation apps on the PC.
>
> --
> For every expert, there is an equal but opposite expert