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  1. #1
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    catymag's Avatar
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    pin About Garmin maps Additions files (gmap3d-JCV-gmaptz-ASR-G2S)

    About Garmin maps Additions files (gmap3d-JCV-gmaptz-ASR-G2S)




    3D buildings (gmap3d.img)



    Spoiler: click to see the content
    3D buildings is rather self explanatory – the unit will superimpose a 3D image of the buildings in the vicinity of your position when the unit is in routing mode, so you can at least see/visualise the landmarks around you, rather than at present, where there is nothing to tell you whether you are 100% on the correct road/lane/street or not. The picture best illustrates this idea.
    Copy it in your nuvi's \Garmin directory
    or new devices in .System hidden directory

    Compatibility: Nuvi 7x5 series , the 3xxx series and 2xxx series
    In 3xxx and 2xxx you can put it also in sd/Map folder with its name gmap3d.img



    Lane Assistant

    If multiple lanes are to be encountered on your next turn, the Next Turn arrow (single arrow in the green section at the upper left) turns into multiple arrows indicating the available lanes at that junction. It is at this point when the Next Turn indicator (single arrow) turns into the Lane Assist indicator (multiple arrows). The white arrow(s) indicate the lanes you should be in to complete the maneuver while the gray arrow(s) indicate the lanes you should not be in to complete the maneuver.

    Lane Assistant files are part of City Navigator .img file.

    Lane Assist screen shot:








    Junction view (JCV)

    junction view shows the driver which lane on a multi-lane road to take after turning. As we know, modern roads have more than one lane – and being in the right lane can save your life preventing accidents.
    Right on the display you will see realistic road signs with arrows showing you exactly how to navigate the exit
    See the screenshot below for junction view .





    Some JCV compatible devices
    nüvi® 3790T
    nüvi® 3760T
    nüvi® 3750
    nüvi® 1690
    nüvi® 1490T
    nüvi® 1450
    nüvi® 1390T
    nüvi® 855
    nüvi® 775T
    nüvi® 765T
    nüvi® 755T
    3xxx and 2xxx series

    To use the junction view files, drag the entire “JCV” folder into your “Garmin” folder.( x:\Garmin\JCV )
    or in Garmin in a subfolder called JCV on the SD Card
    or in System hidden directory in a JCV folder









    More info ::
    Code:
    http://www.garmin.com/uk/photo-real-junction-view


    Bird's Eye Junction View

    Commencing with the 2012 'Guidance 3.0' models (34x0 and 35x0) Garmin introduced Bird's Eye Junction View which shows a '3D' representation of selected upcoming junctions just prior to the PhotoReal Junction View. The feature has been extended to all models in the 2013 range except Nuvi 42 & 52.

    See [Only registered and activated users can see links. ] for an explanatory video.

    Bird's Eye JCV compatible models: 34xx, 35xx, 24x7, 25x7, 27x7.

    Quote Originally Posted by smokefree View Post

    For information, please also note the difference between Lane Assist (lane indications in the top left corner of the screen) and Junction View:

    Lane Assist:




    Junction View (landscape):




    Junction View (portrait):



    Time zone map (gmaptz.img)



    Save gmaptz.img in the Garmin folder on your device or in sd\Maps

    Garmin will automatically determine your current time zone. From your location, it will calculate which time zone you are in, thanks to a small map file in the unit's memory. This is a nice feature if you frequently change time zones, because your GPS's time will update automatically.



    ASR-files

    "SRX+ASR"/Voice recognition files (Automatic Speech Recognition)





    ASR files must be in .System folder in an ASR Folder

    Speech recognition makes navigation safer and easier than ever. Now it’s possible to keep both hands on the wheel, tell nüvi what to do and where to go, and you’re on your way to stress-free travel.
    Once activated, the user can effortlessly manipulate controls by speaking the words that correspond to buttons that are on the touchscreen display, so that almost any common task can be performed without ever touching the unit.
    For the ultimate in safety, a driver at any time speak the phrase, “where am I?” and their device will display its exact latitude and longitude coordinates, the nearest address and intersection, and the closest hospitals, police stations and gas stations. Speech recognition can also be used to search for addresses as well – all hands-free, from start to finish.





    G2S&.db :NüRoute technology&trafficTrends



    NüRoute technology with trafficTrends historical traffic and myTrends G2S (GarminAdjacencytoSSID) and .db files

    Experience nüRoute™ Technology with trafficTrends™ and myTrends™
    With trafficTrends™ and myTrends™ no subscription are necessary, no added costs, your nüvi GPS just does it.
    With myTrends, when you save your regular destinations in your “Favorites,” your nüvi Garmin will, over time, begin to figure out where you’re going even without your telling it! It provides time of arrival and relevant traffic information. So whether you’re driving to and from work or a regularly scheduled weekly event, your Garmin Nuvi will help you get there on time.

    Example of myTrends:

    Press the information bar at the top of the map screen in order to display alternative routes if one is available. Here you can press Go! to activate a route to your myTrends destination:

    Once you press Go! the unit will begin providing turn by turn

    With trafficTrends, your nüvi Garmin GPS automatically learns daytime trends for traffic flow to improve your routes and better predict your estimated time of arrival based on time of day and day of week. And you get free trafficTrends™ updates every time you connect your device to myGarmin.

    G2S Path: ".System\G2S"
    trafficTrends" files .db Path: ".System\SQLite\"

    for compatible devices that use traffic receivers




    SID



    Files are stored in 34xx .System/ SID and are traffic trends ,instaSearch , instaAdresses and POIs and FastRouting related


    infos
    Code:
    http://www8.garmin.com/move/guidance.html

    ACTIVE ROUTING DB




    .db file is an addition coming with new Garmin Topo Pro maps :SQL folder contains DB-file "Trail Database" for outdoor devices activities in compatible outdoor devices (Oregon,Montana,62) and in Basecamp.
    It displays special routes or information depending on the activity chosen by the user, differentiating between pedestrian activity cycling activity, hiking etc.
    To see named trails in Basecamp and in gps you have to add in .img part n., if missing in .img, read [Only registered and activated users can see links. ]
    and you can simply use [Only registered and activated users can see links. ] to do it.
    Part n is the name of SQL db file.
    A summary of what users discovered to get this info:
    [Only registered and activated users can see links. ]
    SQL db file isn't locked. It goes in: SD/Garmin/SQL/.db (.db =Trail Database file )





    More infos about your units specs and compatibilities
    Code:
    https://buy.garmin.com/shop/shop.do?cID=134

    Sawage's pdf attached for offline reading

    [Only registered and activated users can see links. ]


    For newer nuvi series (3xxx) sd paths read also this thread
    [Only registered and activated users can see links. ]
    Attached Files Attached Files
    Last edited by catymag; 06-03-2013 at 04:58 PM.

  2. #2
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    tom1807's Avatar
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    In addition
    Possible Filenames for 3D Building are gmap3d.img and gmap3d1.img.
    You can rename a map also to gmap3d.img and gmap3d1.img if you don't need 3D Buildings, so u have 2 additional map possibilities on your device.
    This works only with Nuvi which has the capability to display 3D Buildings
    These are the Nuvi 7x5 series and the 3790T

  3. #3
    Navigation software expert WknThDg's Avatar
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    Quote Originally Posted by tom1807 View Post
    In addition
    Possible Filenames for 3D Building are gmap3d.img and gmap3d1.img.
    You can rename a map also to gmap3d.img and gmap3d1.img if you don't need 3D Buildings, so u have 2 additional map possibilities on your device.
    This works only with Nuvi which has the capability to display 3D Buildings
    These are the Nuvi 7x5 series and the 3790T
    Great info.!!!!
    Based on this, I made another discovery!
    If not using gmap3d.img and gmap3d1.img on the device, you can instead use those filenames for other map img files in the "Garmin" directory of an SD card!!!
    I can now can have 3 map .img files always available on my SD card (gmapsupp.img, gmap3d.img and gmap3d1.img).
    You can use MapSource Special to create & transfer gmapsupp.img files directly to the SD card that contain several maps (each img file just less than the 4gb limit).
    After the first transfer completes, rename it to gmap3d.img.
    After the second transfer completes, rename it to gmap3d1.img.
    After the last gmapsupp.img transfer completes, move all the created map img files to the "Garmin" directory of the SD card.
    If you have a 16gb SD card, the result can be that you have almost 12gb of additional maps always available for the device to choose from.

    Tested on my nuvi 775T.

  4. #4
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    Great Info, thank you !!!
    Please go on, and please explain me where to put D1398040A.md2 that come together with CN EU 2011.10 -
    In an Oregon 550, I put it in [SD CARD]\Garmin, together with CN EU_2011_10.img, but I can't understand if it works: in [UNIT]\Garmin I have gmapbmap.img and gmapbmap.sum; if I enable terrain shading, I can see it, but if I rename gmapbmap.sum I can't see terrain shading any more, so to me D1398040A.md2 does not work or is not into the right place.
    Thank you

    ----------------

    Sorry, errata "but if I rename gmapbmap.sum"
    corrige "but if I rename gmapbmap.img"
    Thank you
    Last edited by usitaly; 31-12-2010 at 12:38 PM. Reason: post consecutive

  5. #5
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    tom1807's Avatar
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    Quote Originally Posted by WknThDg View Post
    Great info.!!!!
    Based on this, I made another discovery!
    If not using gmap3d.img and gmap3d1.img on the device, you can instead use those filenames for other map img files in the "Garmin" directory of an SD card!!!
    I can now can have 3 map .img files always available on my SD card (gmapsupp.img, gmap3d.img and gmap3d1.img).
    You can use MapSource Special to create & transfer gmapsupp.img files directly to the SD card that contain several maps (each img file just less than the 4gb limit).
    After the first transfer completes, rename it to gmap3d.img.
    After the second transfer completes, rename it to gmap3d1.img.
    After the last gmapsupp.img transfer completes, move all the created map img files to the "Garmin" directory of the SD card.
    If you have a 16gb SD card, the result can be that you have almost 12gb of additional maps always available for the device to choose from.

    Tested on my nuvi 775T.
    This would be amazing. Have to test this also, use the 765
    Quote Originally Posted by Danilone19 View Post
    Sorry, errata "but if I rename gmapbmap.sum"
    corrige "but if I rename gmapbmap.img"
    Thank you
    The terrain shading u see is propably from the DEM Basemap, not fro the MD2 file.
    MD2 files are normally placed in Garmin\MD2

  6. #6
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    Catymag, I know that you've asked to avoid Thank You posts - but this being the clearest tutorial on the subject ever, I could not resist... ThankYou!

  7. #7
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    Great info!

    Got me a bit confused though, I have a Nuvi 3790T with built in North America maps, and I plan to install the 2011 Europe and 2011 Middle East maps, but I see some people around the forum saying that maps have 2 versions, a MapSource version and a regular version, according to some posts, the regular version will lose the map preview and some search/index capabilities, how true is this?

    Since I'll be using the JCV and 3D files, does the latest MapSource support Lane Assist and Junction View files? Or am I going to have to move those manually to the device?

    One last thing, after looking through my device, the following files "gmapbmap, gmapdem, gmaptz, gmapprom, gmap3d, gmap3d.sum, gmapbmap.sum, gmapdem.sum, gmaptz.sum, gmapprom.sum" are located in a hidden folder "F:\.System". I assume that in the case I use Map Source to install the maps, it will take care of putting them in the right location, but what if I had to move the maps manually, should I put them in the same hidden folder "F:\.System" or should I just go with the Garmin folder? Please let me know if I'll be losing the Map Preview and Searching if I move an unlocked map manually.

    Thanks a lot in advance, really appreciate the help I'm getting.

  8. #8
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    There could be two MapSource versions:
    1. original MapSource (complete and nothing is lost) and
    2. generated with Gmaptool program from gmapsupp.img (or gmapprom.img) which is not good for transfering again to device because some search functions are lost, mostly this versions are installed by copying files to some folder and running "install.bat"

    You should move JCV and 3D files manually

    On your device maps should be only in hidden system folder on device) and in map folder (on device and on SD card)

    It is better that you don't use MapSource program for transferring directly to device, because it could overwrite your existing map.

    Use patched version of MapSource to transfer to your HDD, rename file, and than copy to device

    In system folder you should have gmapprom.img and/or gmapoem.img (could not be unselected) and in map folder gmapsupp.img or any other name (xxxxx.img)

    As I can see from your post, you are using Windows Explorer (I hate this program), and option "Hide known file extensions" activated, so you COULD NOT see actual file extensions
    TURN THIS option OFF

    Do not touch those *.sum and other files, and backup your device to PC before doing anything (copy all content to some folder)

  9. #9
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    Quote Originally Posted by Midnight Blues View Post
    Do not touch those *.sum files
    I have been told that those "sum" files are merely checksum files and can be deleted without any ill effects.

    If not, what do they do ?
    Last edited by timp4411; 12-07-2010 at 02:29 PM.

  10. #10
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    catymag's Avatar
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    you'r right, they are checksum and can be deleted. you can go to diagnostic menu and make nuvi recalculate it again. it will create new *.sum files.

    [Only registered and activated users can see links. ]

    Galaxy SII Jelly Bean 4.1.2 / Nuvi1200->1250 / Nuvi3790T->34xx / Nuvi 2200 / GPSMAP 62st / Oregon 600

 

 
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