[mkgmap-dev] Missing cities in mapsource search entry field

Tue Feb 2 14:53:45 GMT 2010

Marko Mäkelä wrote:
> On Tue, Feb 02, 2010 at 09:39:56AM +0000, Steve Hosgood wrote:
>   
>> As a note primarily for Steve Ratcliffe(*): it might be an idea to  
>> include a boilerplate .SRT file in the .IMG files generated by mkgmap.  
>> If this is done it is possible that the .SRT file will get loaded to the  
>> GPS units and help clear up this sorting issue.
>>     
>
> We might want to include several .SRT files, for different collations.
> While you can collate A=Ä in English and German, Swedish uses the sorting
> XYZÅÄÖ for instance. 

I suspect that a given .IMG file can only contain one .SRT file, but yes 
- if Steve Ratcliffe agreed to do it, I guess that a user could request 
a given collation sequence. Then again, should it just be tied to the 
codepage that is already specified on the command-line to 'mkgmap'.

Would a Swedish user want to use codepage 1252 like Western European 
users would?

It seems that the codepage number to be used with a given .SRT file 
appears inside that .SRT file. I would guess that the actual lookup 
tables in the .MDR file have to be created using the sort-rules taken 
from the matching .SRT file if any of this is going to work.

BTW - I just created a placeholder page on the Wiki to describe the .SRT 
file: 
http://wiki.openstreetmap.org/wiki/OSM_Map_On_Garmin/SRT_Subfile_Format

Please contribute if you know anything more about that file format.
Steve

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