[mkgmap-dev] splitter area list

Tue Mar 17 19:29:11 GMT 2009

On Mar 17, 2009, at 16:41, Marko Mäkelä wrote:
> On Tue, Mar 17, 2009 at 04:34:08PM +0100, Torsten Leistikow wrote:
>> 63240001: 1583104,-1261568 to 2338816,-348160
>> #       : 33.969727,-27.070313 to 50.185547,-7.470703
>>
>> First line is the split command? What do the numbers mean?

> The remaining numbers are the map coordinates.  The comment line shows
> them in degrees (north of the equator and east of the Greenwich  
> meridian).
> If you divide the larger numbers by about 1/46604, you will get the  
> degrees.

Right. The numbers are in map units, which is 360º/2**24. Note that  
the above coordinates are multiples of 2**11 which improves how tiles  
match up at low zoom levels -- you may want to round to the nearest  
multiple of 2**11.

Cheers
Robert