[mkgmap-dev] [mkgmap-svn] Commit r572: MDR16 is some kind of codebook.

Wed Dec 22 11:32:02 GMT 2021

Hi Gerd

Can you send me the Mdr16 display of some of the other maps you've been
looking at. I'd like to try and find some meaning for bytes 0..2 and
the prefix before the level 5 data.

Thanks
Ticker

On Wed, 2021-12-22 at 08:43 +0000, Gerd Petermann wrote:
> Hi Ticker,
> 
> I also thought that some bytes may tells us the uncompressed size or
> frequencies. I don't see any clear pattern so far...
> 
> Some number for the Adria Topo Map: (Mdr 16 length 212)
> Uncompressed size: 1.582.655 (0x18263e) , compressed: 1029077
> (0x0fb3d5)
> Frequencies of the tree nodes:
> 
> '' 0x3 freq: 1 (0x1)
> '%' 0x25 freq: 1 (0x1)
> ':' 0x3a freq: 1 (0x1)