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[mkgmap-dev] Garmin now has a completly revamped map format - or changes now seem to be pretty dialled in.... good or bad for mkgmap ??

From Felix Hartmann extremecarver at gmail.com on Thu Dec 15 17:51:51 GMT 2011

ups, unpaved flag still works. Had a typo in my styles....

seems that 0x13 are considered as climbing trails???

On 15.12.2011 18:03, Felix Hartmann wrote:
> Well for right now some things:
> Unpaved roads are not properly avoided any more over longer distances.
> Motorcycle behaves like the old automotive routing in Mapsource 
> 6.16.3; Automotive is still pretty similar. In reality there are the 
> following different routing algorythms:
> a) automotive/trucking
> b) bicycle/tour bicycle/mtb
> c) motorcycling
> d) atv/dirtbike
> e) walking/hiking/mountaineering
> Of course none are interested in the old way of how things behaved 
> with avoidances.
> For bicycle at least I couldn't identify any avoidance to work as 
> expected (also things like residential streets 0x07 are not avoided at 
> all). Over long distances there is however a subtle difference based 
> on avoidances - but I cannot identify at all on what it is based...
> On 15.12.2011 14:09, Felix Hartmann wrote:
>> See the announcement of Basecmap here: 
>> https://forums.garmin.com/showthread.php?t=24413
>> It's still beta - and I wouldn't expect the final version to appear 
>> before end of January - but loads of changes.
>> Especially the routing avoidances have been revamped and are now 
>> completly different. Avoidances like bicycle, motorcar and so on are 
>> now officially a thing of the past and don't show up in the menu 
>> anymore. Therefore much more road classes can be avoided. Which means 
>> we have to find out which avoidance affects which road type [0x??] 
>> and if roadclass / roadspeed play any role.
>> So we now have (for everyone who cannot see the screenshot)
>> Road Type Avoidances: Interstates ; Major Highways; State Highway; 
>> Residential Roads; Unpaved Roads
>> Feature Type Avoidances: Toll Roads; Ferries; U-Turns; Cable Cars; 
>> Narrow Trails; Carpool Lanes; Date and Time Closures; Climbing Paths; 
>> Roundabouts; U-Turns
>> Also note that there will be different map layout modes based on 
>> profiles for newer maps -- reading the announcements I think Garmin 
>> will introduce a more or less completly new map format in future --- 
>> and I wouldn't be surprised if by summer we will see official Garmin 
>> Maps in Europe fully based on Openstreetmap - cause they need our 
>> attribution for achieving their goals..
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