Disappearing Via Points on the TAT

Discussion in 'Mapping & Navigation' started by jwnsc, Jun 10, 2013.

  1. jwnsc

    jwnsc Hang in there.

    Joined:
    Mar 7, 2004
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    329
    Location:
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    I recentlly downloaded the eastern portion of the Trans America Trail
    into my Garmin Zumo 665 from the hard copy maps I bought and utilizing
    the Mapsource software. Everything was fine (not counting the variances
    from the maps and the roll charts) except that in Mississippi half of the
    via points, and thus that portion of the route disappeared. When I got
    home I looked at the route on my laptop and all the via points were
    still there.

    The route in question was 302 miles long with 391 via points.
    What happened when I transferred the route from my laptop to the GPS?
    Is there a limit to the number of via points or the route miles a GPS
    will accept? The waypoints were all still there so going from waypoint
    to waypoint reconstructed the route Just wondering what happened
    to the via points.
    #1
  2. dlh62c

    dlh62c Long timer

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    1,603
    There's a 50 via point limit.
    #2
  3. jwnsc

    jwnsc Hang in there.

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    50? The other downloaded TAT routes for TN, AR and OK all had
    over 50 and less than 200 with no problems. I was thinking 200
    might be the limit.
    #3
  4. 9Dave

    9Dave Bazinga!

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    Did you have via points on one, and waypoints on the other? :dunno

    For the future, with a 665, you can do tracks. They don't change or disappear.
    #4
  5. jwnsc

    jwnsc Hang in there.

    Joined:
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    Man, this GPS jargon - tracks, via points, waypoints.... I thought I track
    was something you left behind as you travelled, while a route was something
    that told you where to go.

    On Mapsource I would start a route with a waypoint and then place via points
    along the roads designated as the TAT route by the paper maps. I would also place a waypoint at an important intersection or POI on the route. A brightly-colored line connected the via points or waypoints as I placed them, creating the route. On the longer route of over 200 via points, only the waypoints were displayed on the Zumo after approximately half the route was traversed. The via points and the brightly-colored line connecting them disappeared. They still appear on my laptop but not on the Zumo.
    For the western half, maybe I should use Basecamp!
    #5
  6. wbbnm

    wbbnm Long timer

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    Navigating with tracks will eliminate all the voodoo nonsense associated with routes.

    If you are using Mapsource to make routes, you can use the 3rd party software WinGDB3 to convert the routes to tracks.

    Or if you use Basecamp, you can do the conversion right there.

    I strongly recommend that you do this conversion even if you think you've got all the tricks related to routing figured out. You will have the tracks as a backup if and probably when something goes wrong with using routes.

    You then just send the tracks to your GPS. On most newer units you have to select the track and hit the "Show on map" option.
    #6
  7. jwnsc

    jwnsc Hang in there.

    Joined:
    Mar 7, 2004
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    Location:
    The Iodine State
    I guess my first mistake was contacting Garmin Tech Support when I
    had issues with Mapsource and they emailed me a step by step procedure
    to create routes and download them to the Zumo. To be fair, they did
    mention that Mapsource was no longer supported and Basecamp might
    be a better way to go, but I don't recall the word "track" ever being
    mentioned.
    #7