Garmin China City Navigator V6.0 (Eng)

Garmin China City Navigator V6.0 (Eng) Due to China government policy the map has an offset off ca. 300-500m, that can be corrected by the original sofware delivered with the original Garmin device. there is no CD of this software on the market only delivered by SD-Card with the Garmin device. Correction can be achieved by recalibrating each map (Mapedit). By SOS

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 Olafsos (2008-05-25)

Can anybody make this re-calibration, without loosing data and the routing abilities? Usually if the converted into an mp file re-calibrated and re-converted mapdetails maybe lost and routing errors may occur.

Zorkin (2008-05-28)

You can recalibrate in Mapedit, and using PopeJ's method not lose the search and routing functionality - the problem is this is an NT map. Mapedit won't read NT maps, and I cannot find anything that does...

 Olafsos (2008-05-28)

Zorkin, I know, so what is the PopeJ's method?
I would like to do it, if you know it better and easier then you can do it an repost it? Otherwise let me know pls.
SOS

Zorkin (2008-05-29)

Check out
Basically, reconstructing the preview map with a more detailed basemap brings back some of the searchability, very useful.
I wish I could sort this out - have been trying - but cannot find any way to open up the NT maps. Once in mapedit, easy - use shift transformation and take two waypoints (use Google Earth) to calibrate. But all of this is academic without being able to open the IMG file.

 Olafsos (2008-05-30)

Hello Zorkin, it seems to be possible by converting them in mp format first. Please read this forum and make it possible. In this forum are re-calibrated img files, I downloaded them but their are not complete.

 Olafsos (2008-05-30)

Also this forum here are some maps posted. And described how it can work.
http://www.pda4x.com/read.php?tid=60897

Zorkin (2008-05-31)

Alright, let me have a look - thanks for the links...

Zorkin (2008-05-31)

Dude! I made some headway...
Read through the forums, damn gave me a headache - downloaded one of the corrected areas .mp files, and then basically recompiled it with routing data using Rotweillers' method -
I'm happy to report that the recompiled map is routable! Still need to figure out some issues - I seem to have lost POI names (I'm sure that's language related chinese / english) and need to figure out how the hell the dictionary function in cGPSmapper works - but I seem to be on the right track...

Zorkin (2008-05-31)

Just noticed that the north axis (latitude) is out by about 1.2' - needs to be recalibrated a little.

 Olafsos (2008-05-31)

Hi, good to hear, I am not that much computer skilled. Once you have them reclaibrated and fixed can you re-post them? Would be great.

 Olafsos (2008-06-19)

I have fixed the China CityNavigator V6.5 (CHN) version for the 300-500m shift, the problem is that only the chinese version exsist as none NT Format. That means I cannot translate all the Maps in Pinyin.
Anyway I have released fixed Maps for the Guangdong Province in Chinese, I am about to translate this Map because it is the biggest and most important one for Foreigners living in China.
SOS

daytrader44 (2008-08-20)

All i get is south America on these maps