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  1. #11
    Navigation software expert

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    I'm not a device owner and i can't be sure of devices features from first hand, i just follow Garmin US specs. Here is a product comparison:

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    You can see full comparison here:

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  3. #12
    Garmin/GPS Systems GMod.

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    Quote Originally Posted by Astx View Post
    Only without 3D bulding. 3D terrain exist on promo photos and gmapdem.img present on the device.
    Yes that's correct it certainly uses gmapdem.img.

    However they are totally differently obtained features, with absolutely no relationgship whatsoever in the firmware. The only thing that '3D Building and Landmarks' and '3D Terrain' have in common is the '3D' in the descriptions. My layman's understanding:
    • "3D Terrain" is DEM [Digital Elevation Modelling], a generic term applied to several methods of representing relative elevation on a screen or printed on paper. Garmin's DEM is done with colour shading to give the impression of hills and valleys etc., the visual effect being much like the printed colour shading in a child's school atlas. A much lower resolution scaled form of it is included in modern basemaps which show when zoomed out.
    • "3D Buildings and Landmarks" are not '3D' in the sense that objects don't appear to project from the screen like a 3D movie or TV, rather they are a semi-transparent overlay constantly updated on a moving map and are best thought of as a moving sketch of the objects where our own brain supplies the sense of three-dimentional shape and depth perception in the exact same way as when we look at a perspective image drawn on paper. That constant redrawing and updating of the image does take a fair amount of processor power, sometimes to the detriment of other tasks causing a general 'slow-down' or lagging in the unit. The nuvi 7x5 is an older series which i've found sometimes struggles when using gmap3d.img navigating in a big city [Interestingly, it's the other way around. It hasn't got the ability in fw to display 3D Terrain]. Maybe the CPU power/clock speed in the nuvicam is quite borderline so Garmin dropped the feature. Or maybe as suggested they'll release an update model with 3D buildings in the firmware. One thing, afaik, writing it into the firmware at the time would have been no big effort as it would have been a simple 'pinch' from other existing fw. I'm not a programmer and perhaps that's a too simplistic view, but i don't think so. My conclusion is that it was left out on purpose, either for marketing purposes ongoing or because the unit might choke on it. Either way again 'Garmin is being so Garmin' by describing the nuvicam as a 'prestige model' imo or it's all just a bit of a con.
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  4. #13
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    Tottaly agree about CPU speed. Too many heavy calculations task. Especialy if you have connected a rear camera and smartphone with SmartLink on it.
    I think this device is "early bird" in this type of devices and made on ordinary Garmin HW platform, where most of new tasks made by software.

  5. #14
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    Hello guys, I really need your help. Just got the Nuvicam but has refused to open/accept my maps (City Navigator West Africa, SSA as well as any other map I've installed. Your assistance and expertise is greatly appreciated, please.

  6. #15
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    Quote Originally Posted by kamfut View Post
    Just got the Nuvicam but has refused to open/accept my maps .
    New devices have protected firmware, it looks for map signature not present in unlocked maps, if you already tried gimgunlock v.0.03+MapSigPatch sorry I guess no available help now.
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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.

  7. #16
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    No I haven't tried those yet. I downloaded the already unlocked version of CN West Africa. Would it make a difference if I downloaded the locked version?

  8. #17
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    Quote Originally Posted by kamfut View Post
    No I haven't tried those yet. I downloaded the already unlocked version of CN West Africa. Would it make a difference if I downloaded the locked version?
    It shouldn't, from which users have you downloaded it?
    [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.

  9. #18
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    I downloaded from Pietu...

  10. #19
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    Quote Originally Posted by kamfut View Post
    I downloaded from Pietu...
    He already used gimgunlock v.0.03+MapSigPatch-
    [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.

  11. #20
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    So what's the way forward, Catymag?

 

 
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