Hi Ticker,
this is what I have so far. The non-printable characters 0x01..0x04 are
probably not correct.
Note the special case with the last sequence. It only occurs once in the
index and may as well be an error in the data.
My code doesn't detect any unknown codes, so I think MDR16 must somehow contain
this information.
The character ž seems to appear both in upper and lower case?!? Might be wrong.
addHuffNode("111", 'A');
addHuffNode("1101", 'R');
addHuffNode("1100", 'I');
addHuffNode("1011", 'O');
addHuffNode("1010", 'N');
addHuffNode("1001", 'E');
addHuffNode("1000", ' ');
addHuffNode("0111", '\0');
addHuffNode("01101", 'L');
addHuffNode("01100", 'K');
addHuffNode("01011", 'J');
addHuffNode("01010", 'V');
addHuffNode("01001", 'M');
addHuffNode("01000", 'T');
addHuffNode("00111", 'D');
addHuffNode("00110", 'S');
addHuffNode("00101", 'C');
addHuffNode("001001", 'B');
addHuffNode("001000", 'P');
addHuffNode("000111", 'U');
addHuffNode("000110", 'Z');
addHuffNode("000101", 'G');
addHuffNode("0001001", '.');
addHuffNode("0001000", '2');
addHuffNode("0000111", '1');
addHuffNode("0000110", 'H');
addHuffNode("00001011", '4');
addHuffNode("00001010", '0');
addHuffNode("00001001", '9');
addHuffNode("00001000", '8');
addHuffNode("00000111", '3');
addHuffNode("00000110", '7');
addHuffNode("00000101", '-');
addHuffNode("00000100", '6');
addHuffNode("00000011", '5');
addHuffNode("000000101", ')');
addHuffNode("000000100", '(');
addHuffNode("000000011",',');
addHuffNode("000000010", 'F');
addHuffNode("0000000011", '*');
addHuffNode("00000000101", (char) 0x04); //
non-print4
addHuffNode("00000000100", '"');
addHuffNode("00000000011", 'Y');
addHuffNode("000000000101", (char) 0x01);
//non-print some shield code
addHuffNode("000000000100", 'X');
addHuffNode("000000000011", 'W');
addHuffNode("0000000000101", (char) 0x02);
//non-print2
addHuffNode("0000000000100", '&');
addHuffNode("00000000000111", '/');
addHuffNode("00000000000110", 'Ë');
addHuffNode("00000000000101", '\''); // '
addHuffNode("00000000000100", 'Š');
addHuffNode("00000000000011", 'Q');
addHuffNode("000000000000101", 'È');
addHuffNode("000000000000100", 'Æ');
addHuffNode("0000000000000111", 'Ž'); //Ž
addHuffNode("0000000000000110", '!');
addHuffNode("0000000000000101", (char) 0x03);
// non-print3
addHuffNode("00000000000001001", 'Ü');
addHuffNode("00000000000001000", 'Á'); //Á
addHuffNode("00000000000000111", '–'); //
different to minus
addHuffNode("00000000000000110",'+');
addHuffNode("000000000000001011", 'Ö');
addHuffNode("000000000000001010", 'Ð');
addHuffNode("000000000000001001", 'É');
addHuffNode("000000000000001000", '“');
addHuffNode("000000000000000111", '{');
addHuffNode("000000000000000110", '_');
addHuffNode("0000000000000001011", 'Û');
addHuffNode("0000000000000001010", 'Ú');
addHuffNode("0000000000000001001", 'Ø');
addHuffNode("0000000000000001000", 'Ä');
addHuffNode("0000000000000000111", '’');
addHuffNode("0000000000000000110", 'ž');
addHuffNode("0000000000000000101", '„');
addHuffNode("0000000000000000100", '`');
addHuffNode("000000000000000001", '¸'); //
special comma
addHuffNode("0000000000000000001", ';');
addHuffNode("00000000000000000001", '%'); //
addHuffNode("00000000000000000000", '#'); //
offset into MDR 30/31? MapSource displays HWY
Gerd
________________________________________
Von: mkgmap-dev <mkgmap-dev-boun...@lists.mkgmap.org.uk> im Auftrag von Gerd
Petermann <gpetermann_muenc...@hotmail.com>
Gesendet: Dienstag, 14. Dezember 2021 19:42
An: Development list for mkgmap
Betreff: Re: [mkgmap-dev] [mkgmap-svn] Commit r572: MDR16 is some
kind of codebook.
Hi Ticker,
yes, the tree is still incomplete.
I use the existing tree and whenever it fails to decode a string I try find out
the
missing character looking at the original map with the search.
I think you have no chance to do that without the full index file.
I need a pause now and maybe tomorrow I have the complete table.
Then I'll try to print it in some ways and will see if anything looks close to
what I find in MDR16...
Gerd
________________________________________
Von: mkgmap-dev <mkgmap-dev-boun...@lists.mkgmap.org.uk> im Auftrag von Ticker
Berkin <rwb-mkg...@jagit.co.uk>
Gesendet: Dienstag, 14. Dezember 2021 19:30
An: Development list for mkgmap
Betreff: Re: [mkgmap-dev] [mkgmap-svn] Commit r572: MDR16 is some
kind of codebook.
Hi Gerd
Do you fill in all the empty leaves with noticeable characters and
report them so you can spot patterns that haven't been defined and
their usage.
There seem to be some chars missing still (qwxy23). I don't know if the
shields/thin/fat separators make it into Mdr15
Ticker
On Tue, 2021-12-14 at 17:32 +0000, Gerd Petermann wrote:
> Hi Ticker,
>
> yes, I'm close to done with the display tool being able to decode the
> string from Adria Topo.
> The 'F' is causing trouble, so probably something in my tree is still
> wrong or incomplete:
> Here's my actual code to dill the Huffman tree:
> add("111", 'A');
>
> add("0111", '\0');
> add("1000", ' ');
> add("1001", 'E');
> add("1010", 'N');
> add("1011", 'O');
> add("1100", 'I');
> add("1101", 'R');
>
> add("01100", 'K');
> add("00101", 'C');
> add("00110", 'S');
> add("00111", 'D');
> add("01000", 'T');
> add("01001", 'M');
> add("01010", 'V');
> add("01011", 'J');
> add("01101", 'L');
>
> add("000101", 'G');
> add("000110", 'Z');
> add("001000", 'P');
> add("000111", 'U');
> add("001001", 'B');
>
> // add("0000000", 'F');
> add("0000110", 'H');
> add("0000111", '1');
> add("0001001", '.');
>
> add("00000011", '5');
> add("00000100", '6');
> add("00000111", '7');
> add("00001000", '8');
> add("00001001", '9');
> add("00001010", '0');
> add("00001011", '4');
> add("00000101", '-');
> add("000000100", '(');
> add("000000101", ')');
>
> Gerd
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