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

Mon Dec 13 14:56:15 GMT 2021

Hi Ticker,

maybe you need this?
--Analyse sections that are known--
MDR 17          00000000 len=0      next=00000000
 implied size=0           (0x0)
MDR 18          00000000 len=0      next=00000000
 implied size=0           (0x0)
MDR 19          00000000 len=0      next=00000000
 implied size=694         (0x2b6)
MDR 16          000002b6 len=d4     next=0000038a
 fixed record size 212
 number of records 1,00
 implied size=1697585     (0x19e731)  +++MISMATCH
 size multiplier 8007,48 8007
MDR 1           0019e9e7 len=138    next=0019eb1f
 fixed record size 12
 number of records 26,00
 implied size=312         (0x138)

Gerd

________________________________________
Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von Ticker Berkin <rwb-mkgmap at jagit.co.uk>
Gesendet: Montag, 13. Dezember 2021 15:50
An: Development list for mkgmap
Betreff: Re: [mkgmap-dev] [mkgmap-svn] Commit r572: MDR16 is some kind  of      codebook.

Hi Gerd

It has the record size (even though pointless). Probably has
magic/header flags but can't tell absolutely because the next mdr could
start with an offset of 00 00 00 00 if empty.

Ticker

On Mon, 2021-12-13 at 13:51 +0000, Gerd Petermann wrote:
> Hi Ticker,
>
> not sure what you mean. Here is the output from MdrDisplay:
> 000000df | 3f 23 51 00             | MDR 15 at offset 0x51233f
> 000000e3 | d5 b3 0f 00             | MDR 15 length 1029077
>          |                         | End of section 0060d714, len
> 0x0fb3d5
> 000000e7 | 01                      | String flag 1
>          |                         |
> 000000e8 | b6 02 00 00             | MDR 16 at offset 0x0002b6
> 000000ec | d4 00 00 00             | MDR 16 length 212
>          |                         | End of section 0000038a, len
> 0x0000d4
> 000000f0 | d4 00                   | MDR 16 record size d4
>          |                         | Number of records 1
> 000000f2 | 00 00 00 00             | MDR 16 header flags 0000
>          |                         |
>
> Gerd
>
> ________________________________________
> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag
> von Ticker Berkin <rwb-mkgmap at jagit.co.uk>
> Gesendet: Montag, 13. Dezember 2021 13:34
> An: mkgmap-dev at lists.mkgmap.org.uk; mkgmap-svn at lists.mkgmap.org.uk
> Betreff: Re: [mkgmap-dev] [mkgmap-svn] Commit r572: MDR16 is some
> kind of       codebook.
>
> Hi Gerd
>
> From your example map, can you determine what settings should be used
> for hasRecSize and hasMagic (MdrDisplay ~line 1351 and other modules
> as
> well). I'd have expected (false, ?);
>
> Ticker
>
>
> On Mon, 2021-12-13 at 11:33 +0000, svn commit wrote:
> > Version display-r572 was committed by gerd on Mon, 13 Dec 2021
> >
> > MDR16 is some kind of codebook.
> > At least the last bytes are probably the most frequent characters
> > in
> > MDR 15.
> >
> > http://www.mkgmap.org.uk/websvn/revision.php?repname=display&rev=572
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