Hi Ticker, yes, that's right. I am working on an implementation, but it will take a while ... The Huffman table in the Ile of man map is probably used to decode the raster image. I has a symbol width of 32. Just starting to learn how it works, GPXSee is a great help but the code is hard to read.
Gerd ________________________________________ Von: mkgmap-dev <[email protected]> im Auftrag von Ticker Berkin <[email protected]> Gesendet: Dienstag, 25. Januar 2022 09:45 An: Development list for mkgmap Betreff: Re: [mkgmap-dev] Embedding raster maps Hi Gerd When I looked at this (not very closely) a couple of weeks ago, it seemed as if LBL could be huffman encoded, with ENCODING_FORMAT set to 11, and the decoding table somewhere in RGN Ticker On Tue, 2022-01-25 at 08:10 +0000, Gerd Petermann wrote: > Hi Steve, > > if I got that right data in RGN5 is like MDR16, means, it contains > Huffman decoding data. At least a lot of bytes look similar > and GPXSee also gets the decoding data from it. > > Most of the code that displays MDR16 can be used to read RGN5, too. > > Gerd _______________________________________________ mkgmap-dev mailing list [email protected] https://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev _______________________________________________ mkgmap-dev mailing list [email protected] https://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev
