[mkgmap-dev] Possible Indexing ProblemFrom Gerd Petermann gpetermann_muenchen at hotmail.com on Sun Mar 10 13:12:17 GMT 2019
OK, you can either download the source and compile on your own or use this binary: http://files.mkgmap.org.uk/download/444/display.jar The tool needs the current version of mkgmap. I use it like this to analyse a gmapsupp in the current directory: java -ea -Xmx6800m -cp d:\display\dist\display.jar;d:\mkgmap\dist\mkgmap.jar test.display.MdrDisplay gmapsupp.img > mdr.out 2> mdr.err Adapt the path to the jar files, on linux replace the semicolons ";" by colons ":" I suggest to start with a small gmapsupp (e.g. with two or three *.img) The output in stdout (mdr.out) is a rather large file showing the content of the index, it should start similar to this: --------- Common Header -------------------------------------------------------- 00000000 | 38 02 | Header length 568 00000002 | 47 41 52 4d 49 4e 20 4d | File type GARMIN MDR 0000000a | 44 52 | 0000000c | 01 | ??? 0000000d | 00 | Set if locked The program allows to reduce the output to the header and a single index section with option --print=<section-number>, e.g. --print=5 will only print section 5 (the cities) Once you understand how to use the program you can try to compare the gmapsupp produced by mkgmap with that from Mapsource to find differences. You'll need a good text file comparer to do this, it should display the two files side by side and highlight the differences, else you'll probably lost ;) On Windows the compare tool in TotalCommander is a good choice. See also https://wiki.openstreetmap.org/wiki/OSM_Map_On_Garmin/MDR_Subfile_Format I hope you find something, my Garmin Oregon always ignores the index for restaurants (also with gmapsupp from Mapsource) but uses it for e.g. shops or hotels. I did not find a reason for that. Gerd ________________________________________ Von: Manfred Haiduk <manfred.haiduk at freenet.de> Gesendet: Sonntag, 10. März 2019 13:35 An: Gerd Petermann; Development list for mkgmap Betreff: Re: [mkgmap-dev] Possible Indexing Problem I would appreciate to get more details :-) Where can i get this tool ? BTW, it was the first time, since i'm using mkgmap to buld my maps for the device, that the device will stuck while searching. So i assume, something was wrong within the index. Am 10.03.2019 um 13:19 schrieb Gerd Petermann: > Hi Manfred, > > we have the display tool to analyse the index, but it will fail on a huge index as it has a hard coded limit of 50 tiles. > However you should be able to display (convert to text) the basic structure with the tool and maybe that will help to find out what's wrong. > If you are interested I can post more details. > > Gerd > ________________________________________ > Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von Manfred Haiduk <manfred.haiduk at freenet.de> > Gesendet: Sonntag, 10. März 2019 12:57 > An: Development list for mkgmap > Betreff: [mkgmap-dev] Possible Indexing Problem > > Hi all > > last week i was playing around building new maps with mkgmap 4282 and > the default style. Building smaller maps, i.e Nordrhein Westfalen, i > don't see any problems but the last map i tried out was complete > germany. And now it seems, that my device (GPSMAP 276Cx) will stuck > while searching POIs or Adresses. Today i changed the image to be load > onto the device and created it from MapSource instead the one build by > mkgmap. The functionality is better, but even not 100%. My question for > now is, is there a possibility to extract the index data out of the img > File to check it on the PC and eventually modify the data ? > > _______________________________________________ > mkgmap-dev mailing list > mkgmap-dev at lists.mkgmap.org.uk > http://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev >
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