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[mkgmap-dev] Display problem with Mapsource 6.16.1

From Charlie Ferrero charlie at cferrero.net on Mon Jun 21 05:41:31 BST 2010

On 14/06/2010 13:16, Peter Hendricks wrote:
> Thanks for your comment, Charlie. I will pass this back to the people
> who make the maps.
>> I also have MapSource 6.16.1 and I don't get this problem, so it's not
>> universal.  When I have been messing around with self-generated maps
>> in the past, I have seen this problem occur (with older versions of
>> Mapsource) but that was due to the bounding box of my data not being
>> converted to Garmin coordinates properly so the map "border" was
>> offset from the actual map data.
FWIW, I was able to recreate this problem by using the multipolygon 
version of generate-sea in mkgmap.  I normally use the no multipolygon 
version of generate-sea because this creates a nice land polygon that 
covers the default Garmin yellow on my GPS (my GPS ignores any attempt 
to change the 0x4b polygon using a typ file).  With generate-sea:no-mp, 
I have no problems.  But with generate-sea multipolygon version, and 
MapSource 6.16.1, I get similar problems to those shown above, with 
blurry images when zooming in and out that are only resolved by 
refreshing the cache.

To summarise.
1) No problems with blurry images, compiled using: 
2) Blurry images when zooming in & out, only solved by refreshing tile 
cache: generate-sea:extend-sea-sectors,close-gaps=1000

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