[mkgmap-dev] Please help

Wed Dec 29 11:29:38 GMT 2021

Hi all,

thanks for all the input.
It answered most of the open questions, display tool r577 should be able to analyse
all the files. Binary is here: https://files.mkgmap.org.uk/detail/543

See also https://www.mkgmap.org.uk/websvn/listing.php?repname=display&rev=576
and https://www.mkgmap.org.uk/websvn/listing.php?repname=display&rev=577

@Nick: the larger MDR seems to cause trouble when section 1 is displayed. Will look into this later.
r577 should work with option --print=!1
This option means that all but the 1st section should be printed, will cause
huge output for that file, but string decoding seems to work well

Gerd

________________________________________
Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von nick <osm at pinns.co.uk>
Gesendet: Mittwoch, 29. Dezember 2021 12:03
An: mkgmap-dev at lists.mkgmap.org.uk
Betreff: Re: [mkgmap-dev] Please help

Hi Ticker / Gerd

I've found another one which I think included mdr15 but second byte = 0x15

Also added a mdr.mdrfrom Topo France V3  which the display.jar couildn't
parse but might be of interest

Warning file  sz is large

https:\pinns.co.uk\2812\mdr2.zip

HTH

Nick

On 29/12/2021 09:31, Ticker Berkin wrote:
> Hi Nick
>
> Thanks.
>
> Interesting, but not maybe not relevant to the Huffman stuff, in
> mdr16austria.txt the MDR headers go out of sync after MDR30
>
> Ticker
>
>
> On Tue, 2021-12-28 at 18:28 +0000, nick wrote:
>> Hi Gerd
>>
>> OK thanks will check that tomorrow.
>>
>> I think it's amazing how far both of you got.
>>
>> Nick
>>
>> On 28/12/2021 18:26, Gerd Petermann wrote:
>>> Hi Nick,
>>>
>>> yes, and esp. those MDR 16 which do not have a 0x15 at offset 2
>>> like in this example:
>>> 000003fa | 000000 | aa 04 15 1b 15 08 cf 00 | record 0 (len: 300,
>>> 0x12c)
>>>
>>> Gerd
>>>
>>> ________________________________________
>>> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag
>>> von nick <osm at pinns.co.uk>
>>> Gesendet: Dienstag, 28. Dezember 2021 19:21
>>> An: mkgmap-dev at lists.mkgmap.org.uk
>>> Betreff: Re: [mkgmap-dev] Please help
>>>
>>> Hi Gerd
>>>
>>> Great but as you confusing, although typically Garmin  ;)
>>>
>>> I noticed some are called map_mdr.img.
>>>
>>> I'll check some other pc s tomorrow; I suppose you are specifically
>>> looking for mdr16
>>>
>>> Nick
>>>
>>>
>>> On 28/12/2021 18:17, Gerd Petermann wrote:
>>>> Hi Nick,
>>>>
>>>> thanks, the mdr file looks like a very early version with a very
>>>> different structure. Should help to understand the remaining bits
>>>> :)
>>>>
>>>> Gerd
>>>>
>>>> ________________________________________
>>>> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im
>>>> Auftrag von nick <osm at pinns.co.uk>
>>>> Gesendet: Dienstag, 28. Dezember 2021 19:00
>>>> An: mkgmap-dev at lists.mkgmap.org.uk
>>>> Betreff: Re: [mkgmap-dev] Please help
>>>>
>>>> Hi Gerd
>>>>
>>>> I have done a few for you, including one which causes a java
>>>> error so
>>>> added the mdr
>>>>
>>>> https:\pinns.co.uk\2812\mdrmap.zip
>>>>
>>>> Wishing you and Ticker  every success! Great Job !
>>>>
>>>> r
>>>>
>>>> Nick
>>>>
>>>> On 28/12/2021 14:55, Gerd Petermann wrote:
>>>>> java -ea  -Xmx6800m -cp
>>>>> d:\display\dist\display.jar;d:\mkgmap\dist\mkgmap.jar
>>>>> test.display.MdrDisplay MDRMAP.img   --print=16 > mdr16.txt
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