[mkgmap-dev] address search problem due to required "State" value

Fri Aug 28 19:56:03 BST 2009

On Fri, Aug 28, 2009 at 03:45:28PM +0100, Steve Hosgood wrote:
> Detectives wanted!
> 
> Some or maybe all of the global index is in the .MDR file. Information 
> on the this file is starting to appear on:
> 
> http://wiki.openstreetmap.org/wiki/OSM_Map_On_Garmin/MDR_Subfile_Format
> 
> There's a global sorted city-list appearing in the MDR5 and MDR6 sections.
> 
> Great chunks of tables containing short bits of plaintext strings can be 
> seen in MDR30/31 and MDR32/33, but as yet no tables have been found 
> which glues those bits together to form postcodes, addresses or 
> city-names. Contributors familiar with text-compression systems would be 
> very welcome to look over it.
> 
> You can rip an .MDR file out of an official Garmin .IMG (it isn't 
> encrypted as such).
> 
> More eyes on the job will increase the chance that someone gets lucky 
> and spots crucial clues into how it all works.
> Join in please!

Is there any way of creating an MDR file ourselves? I mean 
probably with commercial software? 

It might be interesting to have an MDR with a single adresse,
2 adresses same city, 2 adresses samt street+city etc ...

Guessing by difference is more efficient than to wade through
half a gigabyte of data in an unknown format.

Flo
-- 
Florian Lohoff                                         flo at rfc822.org
"Es ist ein grobes Missverständnis und eine Fehlwahrnehmung, dem Staat
im Internet Zensur- und Überwachungsabsichten zu unterstellen."
- - Bundesminister Dr. Wolfgang Schäuble -- 10. Juli in Berlin 
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