On 23/12/2008, Andy wrote in message :

Years in the future. You're trying to display some roads on your screen,
and when you look through the screen you already have roads. So you have
two options: (A) either make your roads look unlike the real roads you're
seeing through your windscreen, or (B) attempt perfect overlay so that you
don't display the roads, you just display a flashing arrow on the
windscreen and that's perfectly superimploses the real turning you're
meant to take.

If you do (A) then the driver has to mentally separate two sets of roads
in the same view. I think this would be a complicated cognitive task and
would be tricky and confusing and cause accidents.

If you want (B) then you will need a method of not only locating the
vehicle very well, but also of locating the driver's eyeballs within the
cab. You also have to know the angle that the vehicle is pointed to quite
a high precision. You can do the second one quite well when the vehicle
is travelling along a straight road but it messes up when it changes lanes
or is on a bend.

Skratz said...

LOLOL!!!

Andy

I'll Check It Out. Verses Blindly Buying A GPS As I Did This Time.

Hi folks I got a Navigon 2021 max for xmas I wondered if anyone here had
one and any thoughts on it.

Sal

Are you using an old map?

Anybody Know A Good GPS To Buy?

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On Dec 24, 11:49 am, Craig Wallace
wrote:

Currently the umpc with flash memory enough for a few map programs are
pretty rugged. I am not exactly an outdoor person and I got the hd
type with 120 G .

Do you think in a yr's time there will be devices that suits your
need? And cheap enough too?

There are rugged pda/gps but they are still in $1,500 range. Well
Garmin 2610/2620 were in that price range too back then in 04 I
believe

Things are moving in breakneck pace

Daniel

On Dec 24, 1:50 am, watdism...@webtv.net wrote:

On every intersection or just 1?

The directions are only as good as the underlying data. My 255w gives
me the same "misleading" information at 1 particular intersection as
my old Telatlas based Destinator PDA.