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  1. #1
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    Default Montana 600 - routing with multiple maps?

    Hi all,

    I have a Montana 600, it came with the Garmin GB Discover maps on SD card. These are UK Ordnance Survey raster maps with routing information. I also bought (as a download) the City Navigator Europe 2016 maps, which I downloaded from Garmin to a different SD card in my device.

    I copied the Discover maps from the original SD card to the new card in the GPS, and used Garmin Image Unlocker to unlock them (they were locked to the SD card supplied). This all seems to work nicely, thanks to information from this forum! I also used ImDiskToolkit to create a virtual drive on my PC so that maps are available in BaseCamp without having to connect the GPS.

    What I was trying to achieve, is the ability to easily switch between the two maps on the GPS, depending on what I'm doing - if I'm driving I want the CN map or if I'm walking I'll use the Discover.

    However my Montana keeps hanging while calculating routes. For example I tried creating a route from Liverpool to Honister Pass (Lake District) and the "Calculating" box appears on the screen but never gets beyond 99%. Then trying to create a new route after that does nothing. Even turning off the unit didn't fix it, when I turned it back on, it still said "Calculating 99%". I did a factory reset which seemed to fix it.

    I wondered if having two routable maps loaded on my GPS was causing the problem, even though I had the "GB Discover" map turned off and the "City Nav Euro" turned on...? As an experiment I deleted the GB Discover map from the GPS's memory card. Now routing seems to be OK.

    So does anyone know, is this a problem with having more than one routable map (covering the same area) installed? If so, I was wondering, is it possible to strip out the routing info from the OS Discover map? The whole of the UK is covered by City Navigator so I don't need the OS map to be routable, but it's nice to be able to switch between different maps displayed on the screen.

    Sorry this post is so long, and thanks for any advice!
    Last edited by greenback; 13th April 2016 at 10:29.

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  3. #2
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    Hi
    You can use Gmaptool:
    [Only registered and activated users can see links. ]
    You must have cGPSmapper free version installed.

    [Only registered and activated users can see links. ]

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    More info:
    Code:
    Please Login or Register to see the links
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    You have to navigate to get to the good.
    Nuvi1250/Nuvi 34xx/Nuvi 2200/Nuvi 66/Oregon 600/Galaxy S5 MM 6.0.1/TomTom GO/iGO Nextgen Avic,Basar,Isr.Gift/Navigon
    Please don't flood my pm box with questions you can post on forum!! You won't hear back from me.

  4. #3
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    Thanks, I have GMapTool but I hadn't seen that option. I used it to get my maps into BaseCamp before I found the trick with the virtual drive.

    If I remove routing data will POI / address search still work?

    Do I have to do two stages, split the original .img file into tiles and then join them again?

  5. #4
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    Quote Originally Posted by greenback View Post
    Thanks, I have GMapTool but I hadn't seen that option. I used it to get my maps into BaseCamp before I found the trick with the virtual drive.
    You have to enable advanced and experimental options
    if I remove routing data will POI / address search still work?
    Yes if it's an original .img
    Do I have to do two stages, split the original .img file into tiles and then join them again?
    Split by files then join without NOD data flag
    [Only registered and activated users can see links. ]
    [Only registered and activated users can see links. ]

    [Only registered and activated users can see links. ]
    You have to navigate to get to the good.
    Nuvi1250/Nuvi 34xx/Nuvi 2200/Nuvi 66/Oregon 600/Galaxy S5 MM 6.0.1/TomTom GO/iGO Nextgen Avic,Basar,Isr.Gift/Navigon
    Please don't flood my pm box with questions you can post on forum!! You won't hear back from me.

  6. #5
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    Default

    On my Oregon 450, I have my routable UK Ordnance Survey mapping (which is the excellent Discoverer OS Premium; huge thanks to GPSPower-friend !) I have this enabled only in Recreational profile, and I have my City Navigator maps (various countries) enabled only in Automotive profile.

    I switch the profile to switch the mapping - to walk or to drive.

    Works great for me.

    Dales.

 

 

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