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  1. #1
    Master City Navigator South America NT 2012.10City Navigator South America NT 2012.10 fujita's Avatar
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    Funny thing is that these maps are larger sized in CN South America than in CN North America, even Florida maps... they have different FID also, so that one can have both loaded at same time in their GPS.
    Did anyone test them to check differences?

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  3. #2
    syzygy
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    Quote Originally Posted by fujita View Post
    Funny thing is that these maps are larger sized in CN South America than in CN North America, even Florida maps... they have different FID also, so that one can have both loaded at same time in their GPS.
    Did anyone test them to check differences?
    I did a quick comparison of the two. Apparently, they were compiled by Garmin at different time, with different options (such as number of map levels), although on the same date. As far as I can tell, the size reduction in CN-NA is mostly due to a better encoding scheme used to compress road and POI names. The decompressed map data should more or less the same in both CN-NA and CN-SA.

 

 

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