altitude

PVC17081949 · Occasional Visitor Joined: Nov 04, 2006 Posts: 3

Is there an extension of tomtom to get also the altitude or is it already in it but not visible?

MrT · Posted: Sun Nov 05, 2006 10:06 am Post subject:

The TomTom maps do not have altitude information in them. A GPS unit will pick up altitude information but TomTom does not display it.

Memory map has inbuilt altitude information and also displays and records the GPS altitude.

neil01 · Posted: Thu Nov 09, 2006 9:18 pm Post subject:

Altitude is not a function of the maps, but of the GPS unit itself. It is simply that TomTom have (for whatever reason) decided not to display it.

flyguy26e · Posted: Sun Nov 12, 2006 7:33 am Post subject:

MrT · Posted: Sun Nov 12, 2006 10:09 am Post subject:

Why do you want altitude for car navigation, the car is always at ground level?

If you need altitude for other purposes than car navigation, you maybe are using the wrong product and should consider Memory Map which basically the Ordance Survey maps of the UK and contains all the elevation information for the UK within the maps.

FrequentFlyer · Posted: Sun Nov 12, 2006 11:42 am Post subject:

MrT · Posted: Mon Nov 13, 2006 8:20 am Post subject:

Where does it say that the person who asked the original question is in the US?

What was the point of your reply, it added nothing? Memory Map also covers the US.

bedbug · Posted: Mon Nov 13, 2006 6:01 pm Post subject:

Don't forget there's no reason why your GPS receiver can't be used with another application... On my Palm I use cotoGPS to read data from TomTom's Bluetooth MkII and use that, altitude et all...

Doubt it's of help if you're on a Mobile, but no doubt there's some similar freeware for the PPC platform.

As for the viability, seeing as TT have just implemented the fixed Northern aspect to assist pedestrians, there's no reason why altitude shouldn't be an option (and hey, it would be fun when putting the foot down over a hump-back bridge!). Who knows, if TT were to produce a set of more detailed, 'not road only' maps, then folks here wouldn't be able to tell other users they've bought the wrong thing!

Laughing

_________________
iPhone 4/4S (iOS 5.1.1); TomTom Western Europe (1.10)/USA & Canada (1.10); CoPilot for iPhone (8), UK mapping, Mac OS 10.8/XP Pro/Win7; Tongue firmly in cheek!

Border_Collie · Posted: Mon Nov 13, 2006 6:07 pm Post subject:

It would have been nice to have altitude displayed on TT when I was driving along the southern Alps. I often wondered how high we were. I now have Winfast Navigator CE on my Pocket PC, so next time I can easily exit TT and check altitude with Winfast.
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Formerly known as Lost_Property
And NO that's NOT me in the Avatar.

MrT · Posted: Mon Nov 13, 2006 10:01 pm Post subject:

GPS altitude information is not very accurate and varies according to the type of receiver, SIRF3 seems better. It is interesting to note how the altitude of where you are varies over time when you are not moving.

The altitude data for the UK on a 1:50,000 scale topographical map takes up about 75MB and the map itself is about 3GB and is just a massive picture file that is calibrated to latitude and longitude. Place names are in another file for searching. The only routing on these is by drawing a route on the map and then following the route using GPS. You can scan in or copy any picture you want (map marine chart or aerial photgraph) and calibrate co-ordinates to pixels.

It can also create a track by logging your GPS position every second or other defined time or distance interval.

TomTom differs in that roads are stored as data that builds up a picture and it can calculate routes between nodes on the map.

It would be nice to have the visible part of a topographical map with the vector data of a navigational system built in behind it.

MrT · Posted: Mon Nov 13, 2006 10:06 pm Post subject:

I should add that with TT3 you could log your route in the GPS function and later use that GPS data to draw a track on Memory Map showing where you had driven, what time you passed each point and the speed and bearing at each point. I used this a few times to check how fast I had gone past certain speed cameras that I had not been aware of. I miss this function in TT5&6.

Robin2 · Posted: Mon Nov 13, 2006 10:24 pm Post subject:

GPS altitude information is very inaccurate. I used to use CoPilot, which would display altitude. Driving along beside the sea here in Swansea, I could get an altitude reading of 150 feet asl.
Robin
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TomTom One v3 Europe, Navcore 7.903, Western Europe 835.2420
TomTom Go 720 Europe, Navcore 8.351, Western Europe 855.2884
Satmap Active 10
Plus a lot of other PDA GPS kit, seldom used

Skippy · Posted: Tue Nov 14, 2006 12:28 am Post subject:

Robin2 · Posted: Tue Nov 14, 2006 1:18 am Post subject:

agentgonzo · Occasional Visitor Joined: Jan 02, 2007 Posts: 1

I'd be interested in seeing this information displayed in the tomtom screen, but haven't found anything that can do it. I would imagine that it would be easy to write (I'm willing to do it). Does anyone know how to write plugins for tomtom (or if it's possible)?

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