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1
Using The Maps/Garmin Software / Re: GPS 64S sd card access
« Last post by Boyd on May 15, 2018, 04:44:08 AM »
Is this the only map on the card? Are there other maps installed in the gps internal memory? Your gps has a limitation as to how much map data it can handle, although this is not widely known. Maps consist of many small tiles or "segments". Your GPSMap64 can only access 3,000 of these segments. If you exceed this limit, some maps or portions of maps will not be available so this could cause what you describe even if everything else is OK.

You can check how many segments are installed on the GPS with this useful free program: http://www.javawa.nl/jdm_en.html

If you have too many, the only solution is to remove some maps. Also note that a 32gb SD card is much larger than you will ever need. You will likely hit the segment limit of your GPS long before 32gb of maps.
2
Using The Maps/Garmin Software / Re: GPS 64S sd card access
« Last post by papa-alpha on May 14, 2018, 06:31:24 PM »
Thanks Red90. That makes sense. I'll give it a try and let you know.
3
Using The Maps/Garmin Software / Re: GPS 64S sd card access
« Last post by Red90 on May 14, 2018, 03:20:57 PM »
Either the map is not compiled in the proper format or the card is is not properly seated.

Put a gpx file on the card with some waypoints under garmin/gpx directory to test of the card is working.
4
Using The Maps/Garmin Software / Re: GPS 64S sd card access
« Last post by papa-alpha on May 14, 2018, 11:08:24 AM »
Yes, the card has one directory on it named 'Garmin' and within the Garmin directory, the file, gmpsupp.img


5
Using The Maps/Garmin Software / Re: GPS 64S sd card access
« Last post by Red90 on May 14, 2018, 10:11:56 AM »
Is the map in the garmin directory?
6
Using The Maps/Garmin Software / GPS 64S sd card access
« Last post by papa-alpha on May 14, 2018, 09:10:12 AM »
I used the tutorial to load the California topos on an SD card (formatted FAT32) and all seemed to go well. The files loaded and the file structure on the card looks like this:

GARMIN
    gmapsupp.img  (425,912 KB)
id.txt


I put the card into the GPS and go to 'Setup-Map-Select Map'  there is nothing showing but the original supplied maps. What am I missing?

The SD card is a SanDisk Ultra 32GB HC

Thanks in advance for help.


7
Map Making Support / Re: MapInstall - Unable to Select Tiles
« Last post by Boyd on April 19, 2018, 02:02:32 PM »
No, learned ALGOL on a Burroughs B-5500, FORTRAN on a IBM System 360 and BSD unix on a DEC VAX 11/750. The VAX was the smallest of these, a "mini-computer" with a CPU the size of a washing machine and a few disk drives that were just about as big.  ;D

I was on a committee that picked a replacement for that machine around 1983 and we chose a couple SUN workstations that were much faster, with much more memory and disk, and sat on a table top.  :D
8
Map Making Support / Re: MapInstall - Unable to Select Tiles
« Last post by Richard_S on April 19, 2018, 01:43:24 PM »
Windows 7, not XP.  I also grew up old school using command lines, punch tape, punch cards and program output only able to be sent to printers.

You ever work with a GE-4020?  They had a whole 8k of ram and were about the size of a chest freezer.

www <dot> computerhistory <dot> org /collections/catalog/102640390
9
Map Making Support / Re: MapInstall - Unable to Select Tiles
« Last post by Boyd on April 19, 2018, 12:23:04 PM »
Glad you got it working. I didn't catch that because it would never occur to me to use dots, slashes or whitespace in a file or directory name!  ;) But I go WAY back to the era of command line interfaces (and even punch cards, LOL). So I wouldn't call your solution a "work around", I'd just call it "good practice". :)

I don't think digits are a problem with pathnames, I have always used them in directory names so I have an easy reference for the FID. For example, these work fine for me

...\boydmapNJ2018\FID_62399
...\boydmapVIS\FID_62532

BTW, are you still using Windows XP? If I knew that you were, I wouldn't have opened those files, LOL.  ;D
10
Map Making Support / Re: MapInstall - Unable to Select Tiles
« Last post by Richard_S on April 19, 2018, 11:35:07 AM »
I think this is SOLVED, thanks in a large part to the willingness of Boyd to execute a .exe file from an unknown person, spend some time playing with the contents and letting me know that a fresh compile worked on his computer.

THE PROBLEM:

MapsetToolKit v1.77 created the TestMap.mp file using a map tile number of "7" for both sample tiles, rather than the tile numbers 38104001 and 38104002.

WORKAROUND #1

Don't us a directory structure pointing to the .img files that contains a back slash ("\") followed by a number (might work) and definitely not a number and a period (".").  My directory structure to the .img files was:

   "G:\Garmin Maps\Test 1\7.0 Final Files\2.0 IMG Files

...oops, I think I know where the 7 was found.  When I used a second computer and a directory for the .img files without the numbers I was able to get a working map selection.

WORKAROUND #2

Use a substituted drive for the directory path.  When I used the DOS command:

   "subst r: "G:\Garmin Maps\Test 1\7.0 Final Files\2.0 IMG Files"

and used drive "R:" as the source of the image files for MapsetToolkit, it also worked.

DISCUSSION

MapsetToolkit did not have a problem with numbers in the path for copying the .img files or for the Mapset directory.  I suspect that these are used in what is equivalent to direct DOS commands without any modification to the text.

My guess is that when the <selectible map image>.mp (i.e. my TestMap.mp) was created as a text file, the tile numbers were found by parsing the individual .img files.  The parsing was probably done left-to-right, looking for a backslash, followed by a number.  A right-to-left parsing, throwing out the ".img" and backing up to the backslash, would probably have worked for my situations.
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