[clug] tomtom one

[Andrew Loughhead]

Stephen Gibson wrote:
>> So I'm surprised that in this discussion, no one has mentioned the
>> proprietariness of the underlying map data yet!  I'd encourage you all
>> to have a peek at the openstreetmap project.
>>     
>
> There is also "shonkey maps" for Garmin GPS:
>
>  http://www.gpsaustralia.net/forums/showthread.php?t=2525
>
> which uses a more sophisticated approach.
>
> The 1:250000 series of topographic maps, available in digital format
> from the Commonwealth mapping agency, that cover all of Australia,
> were converted to Garmin proprietary format.
>   
Where it exists, OSM data is at a rather larger scale, comparable to a
published street directory, which would be in the 1:12500 region.  
Quarter million data has its use, but I wouldn't try navigating central
Sydney with it...

> They contain all the detail, including contour lines
> etc, of the original topographic maps.
>
>
> Steve.
>