Found Bug in mkgmap address index creation of gmapsupp.img (again "please enter country" but impossible)
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).
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).
Hi
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)....
The --index option has no affect at all on the tiles, so it does not matter if you give the option when creating the tiles.
For testing, you can get for example the following map: ftp://ftp5.gwdg.de/pub/misc/openstreetmap/openmtbmap/mtbalps.exe (as of
Thanks, I've had a look at this. It appears that the contour tiles are not created with --latin1 but the other ones are not. Also in the .bat files that create the gmapsup I don't see --latin1 used when creating the index in every case. The same --latin1 and/or --code-page flags must be used when creating every tile and also when creating the index.
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).
On my eTrex 30 I initially saw the problem of not being able to find distant addresses. I then switched off the base maps and the then I could find them. However when I re-enabled the base maps, I could still find far away addresses... I've discovered a couple of problems in the device index so I am creating a branch to fix them, they are POI and not address related though. I will also attempt to discover the code-page and sort order options used to build the files and use them for the index automaticially. ..Steve
participants (2)
-
Felix Hartmann -
Steve Ratcliffe