[mkgmap-dev] Found Bug in mkgmap address index creation of gmapsupp.img (again "please enter country" but impossible)From Felix Hartmann extremecarver at gmail.com on Fri May 25 14:31:37 BST 2012
oh forgot to mention, that this bug will probably only happen on newer generation GPS devices that were "once" plagued by "enter country" or "enter state" problem. (It is confirmed for Oregon x50 and etrex 30) -- the bug will not appear on etrex Vista/Legend, and on some Nuvi... (my Nuvi is currently under RMA because the switch on button didn't work anymore, and no fun to switch on only by plugging into computer). On 25.05.2012 14:58, Felix Hartmann wrote: > Okay, well I like many though that mkgmap can create a more or less > correct address index itself when writing gmapsupp.img, this is true, > however not under all circumstances. > The test setup is rather complicated, so best get the same data. > > The problem is, that the gmapsupp.img by mkgmap is only working with > correct address search, if all tiles themselves were created with > "index". However if you use mkgmap to create a gmapsupp.img that > consists of tiles with address search support (for below testexample > 6*.img) and tiles with no address search support .i.e. contourline > maps (for below testexample 7*.img) then the address search is not > working (but instead asking for country).... > > > To replicate: make sure that your GPS device has a fix. Without fix > this behaviour is normal. > > For testing, you can get for example the following map: > ftp://ftp5.gwdg.de/pub/misc/openstreetmap/openmtbmap/mtbalps.exe (as > of writing, ftp5.gwdg.de seems to be offline, I hope this is soon > over...) > (the .exe is of course lzma packed, so no need to install). > > 1. Creating gmapsupp.img of 6*.img files with mkgmap 2278: after GPS > fix, works (needs however data rather close by, there seems to be > another bug, that if you for example are in UK, and now upload a map > with parts in Austria, but none in UK, address search won't work even > with GPS fix, this is however also happening if the same mkgmap > created map is sent with Mapsource/Mapinstall). > > 2. Creating gmapsupp of all 6*.img & 7*.img files with mkgmap 2278: > after GPS fix, no chance to select a "working" country, and subsequent > fields are also not found > > 3. Creating gmapsupp of all 6*.img and 7*.img files with Mapsource: > with GPS fix, and data close to your location. address search works. > > > > (Garmin City Navigator maps, address search works even without GPS > fix, and no need for data to be close (~1000km) by. So still a long > way to go).
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