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[mkgmap-dev] Sensible resolutions - (or patch 5)

From Felix Hartmann extremecarver at gmail.com on Thu Mar 10 11:37:30 GMT 2011

On 10.03.2011 12:18, Marko Mäkelä wrote:
> On Wed, Mar 09, 2011 at 11:34:30PM +0100, Felix Hartmann wrote:
>> Could this patch be included?
>> I really think maps in Western Europe (where most mkgmap users are) look
>> much better on a) old GPS like etrex b) street units like Nuvi 255W or
>> c) Mapsource/Basecamp/Qlandkarte GT.
>> About 2 month ago the resolutions for POI got lowered to sensible
>> defaults (they were also way off, but on GPS this usually wouldn't get
>> noticed as they simply did not shown them) - polygons and streets (very
>> slight changes) should follow.
> Sorry, I am currently busy with work and other duties, until next week
> at least.
> If I remember correctly, your patch would lower the visibility of
> motorways as well. What would become visible first when zooming in from
> the widest possible level? Only sea polygons?
Nope, motorways stay (at least if the default resolutions are used. By 
default no resolution 14 is created. But compiling Europe at 14 with 
motorways looks crap. Been there, done that. If you decide to add 
resolution 14 into the build, then yes motorways are not visible and 
only sea and big cities -- in reality we would want to have a seperate 
overview map for resolutions 14&16 that is only shown in 
Mapsource/Qlandkarte GT, as on all GPS for resolution 14 and 16 the 
basemap is the better match (a lot quicker to pan) for resolution 14 and 

What I did really lower are motorway links to 18. They are not really 
visible (too small) in resolution 16 anyhow, and slow down the GPS. Also 
at such a resolution you never actually drive in your car, 16 is 
basically only for getting an overview on a country basis - hence 
motorway links are not needed). I did not change motorway junctions, 
that indeed might be handy at low resolutions (though basically at 
resolution 16 you don't need detailed junction layout, as in nearly all 
cases to motorways crossing there are junctions close to the crossing).
> 	Marko
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