TomTom Go 730 Посібник користувача - Сторінка 19

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Appendix B:

Tele Atlas gets you there...

'...turn right after 300 meters and keep driving on

the right...'

The Intelligent Map

The road map is an essential part of your navigation

system. Do you want to find the fastest or shortest

route? Or use the toll roads? What is the current

traffic situation? How do you get the right instructions

at the right moment? These functions require more

than just a paper map. For this, you need an intelli-

gent map.

The Digital Map

In order to create just such an 'intelligent' map, a

lot of work must first be carried out. It begins with

registering all streets and striking points in the

landscape. To this end, aerial photos and satellites

are used. Then these roads are allotted specific

characteristics in order to distinguish them from

one another: for example, by adding the direction

of the traffic and house numbers. One-way roads

are distinguished from main roads and sand paths.

Where do the railway tracks and the waterways

lie? In which council is this part of the road

located and to which council does the other part

belong? In short, each section of road in your

navigation system is provided with detailed data

which is stored in an enormous digital databank.

The Living Map

The necessary data is not available from a single

agency, therefore companies such as Tele Atlas

carry out the research themselves. For instance,

by collecting data from town and county councils,

and from central government. But also by doing

the field-work themselves.

Tele Atlas employs about 1,800 people world-wide,

most of whom are working daily on registering any

and all changes, and reproducing them in maps

which can be used in navigation systems. At pres-

ent, Tele Atlas is active in about 25 countries spread

throughout three continents, and is continually

working to extend the area it covers.

The Qualitative Map

The maps are kept up to date continuously and are

published a number of times per year. As soon as

a map is available, it is combined with the route-

planner and navigation functions of the system

developer. This integration determines the quality

of the final product which provides you, as the

traveller, with the information you need on the way

to your destination.

The Tele Atlas Map: A Reference

Organizations such as the police, fire brigade,

utility companies and publishers of digital telephone

books throughout the world depend not only on the

well-known navigation systems, but also on the

quality of these maps.

So that they can finally achieve their goal, just as

you can reach your destination...

THE SMART CHOICE IN PERSONAL NAVIGATION