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

**wombat772** · 3rd December 2010, 06:13 PM

Originally Posted by catymag

In 3790 sd gmap3d.img goes in the same map folder of other maps-
The maps go into the \Map folder in the root of the SD Card.
And as Tom wrote above JCV in the subfolder called JCV on the SD Card - If it doesnt exist, create it

to check if the 3D buldings and the junction view are working you can use simulate mode

Thanks Caty I had tried that, with the exception on the SD I had a folder \Garmin and in that all the mentioned sub folders the only thing that showed up was the actual map,
are you saying need for garmin directory just put map in map directory which is where I have the 3d file. However I will see what simulate turns up.

**wombat772** · 3rd December 2010, 06:53 PM

Hi Caty,
The 3d issue is fixed I would thank you but not allowed and I would rep you but not allowed but I suppose you are a bit like Bill Gates you have so many ardent admirers wanting to praise you a few more or less does not matter, lol

**catymag** · 3rd December 2010, 07:36 PM

Lol bro, repping is allowed, why not? I just ask not to make thanking posts coz it's annoying for users who'r looking for
instructions in threads to read them- But appreciations on mods and posters work matter, we delete them but we read them

Posters may be prefere rep points-

**wombat772** · 5th December 2010, 06:23 PM

Hii Caty this is a copy of a question in tutorials but maybe more appropriate here, please delete whichever is the incorrect place.

Just had a read of making room but no answer to this directly. When one updates manually the ASR and JCV files can you safely delete the existing ones ASR for Europe takes up a huge amount of room as does JCV. AS I have not had a unit capable of these before I assume that if I did a download from Garmin it would automatically delete old files, but how do I tell what is old. FoR eg most of my existing ASR files start 01XSUI--.asr new with O1YA153(E-V).asr plus other variations, is it a safe assumption that X is replaced by Y
JCV files old D2504010A new d2504020A this again would seem to be logical to get rid of the 010 version. Same for .dbs files out with the old in with the new??? Before I go following my inuition answers would be appreciated

**catymag** · 5th December 2010, 07:06 PM

Each JCV file matches up to a particular map version. They're not cumulative updates, adding only additional junctions since the last update, rather each map update comes with a full replacement JCV file, anyway, back up the the old JCV files on pc before deleting them.
Not sure about ASR files but probably it's the same, try, backup them and delete, then let us know.

**haridz** · 16th December 2010, 10:56 AM

Originally Posted by catymag

Each JCV file matches up to a particular map version. They're not cumulative updates, adding only additional junctions since the last update, rather each map update comes with a full replacement JCV file, anyway, back up the the old JCV files on pc before deleting them.
Not sure about ASR files but probably it's the same, try, backup them and delete, then let us know.

hi Caty, could i rename the jcv files to make it easier if i have lotsa maps. say australia.jvc europe.jvc? or do i have to follow the file name and cant change it?

aekhong · 16th December 2010, 11:01 AM

You can rename for Nuvi 1xxx., 37xx., Garminasus M10.,
I'm not sure for 2xx., 7xx., 8xx :: maybe not ??

**haridz** · 16th December 2010, 11:16 AM

am using Nuvi 1350, ok shall try it out

Originally Posted by aekhong

You can rename for Nuvi 1xxx., 37xx., Garminasus M10.,
I'm not sure for 2xx., 7xx., 8xx :: maybe not ??

just tried the simultation, junction view (JCV) doesn't work if u rename the file but if followed the original name Junction view (jvc worked) however weter renamed or not the Lane Assistane stil worked

**cenpac** · 29th December 2010, 11:35 AM

Originally Posted by aekhong

You can rename for Nuvi 1xxx., 37xx., Garminasus M10.,
I'm not sure for 2xx., 7xx., 8xx :: maybe not ??

Are you sure you can rename it in those units? As far as i know you should stick to the same file name ( i use 7xx, and tested lots of 2xx & 1xxx units!)
Also lane assist is inside .img so nothing 2 worry , works perfectly in all units that are capable of it even without JCV !

**liway** · 7th January 2011, 10:49 AM

Does screen resolution (480x272, 800x480, etc) has to be compatible with the junction view files? Is that jcv file for all models are the same?

In my Nuvifone M10, I've installed an additional map and tried to install the corresponding jcv file. Despite the jcv file is put in the possible locations described in above posts, only lane assistance showed up, but no reality junction view displayed. Is resolution (800x480 in my case) stopping the display?

On the same note, I used the 3D building file from the same source, and it's usable. It seems that 3D building file isn't dependent on resolution. Or does it?

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

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