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General Discussion / Hatfield McCoy and outlaw maps
« Last post by chrgnu on January 27, 2020, 03:46:27 PM »
Does anyone use a samsung tablet with Hatfield McCoy or the Outlaw maps.  If so, what tablet and where can I get the map downloads.  There are a few places that sell loaded tablets for $200-$300, that seems a little bit high.
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General Discussion / Re: Orux basics
« Last post by tincan53 on January 27, 2020, 02:24:34 PM »
I downloaded Orux.  It's not in Spanish afterall.  Now to figure out how to use it with maps that are available.  Will use the tutorials.
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General Discussion / Re: Orux basics
« Last post by tincan53 on January 27, 2020, 12:51:18 PM »
I am brand new to trying this.  I tried to download Orux from the app store and it seems to be in Spanish.  Does it give an option once you download it to change the language to English? Or is there another Orux app in English.  The only one I see on the app store of Android is in Spanish.  Thank you.
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General Discussion / Re: Why has a map of the entire US not been made?
« Last post by Boyd on January 16, 2020, 04:32:47 AM »
Yeah, the Garmin 100k topo isn't very good. I have had 4 different versions of it going back through the years. It used to be the only topo map that Garmin sold. At least the current version has decent roads from HERE (same as City Navigator).

But actually, if you read the OP again, he isn't asking for a better map, just a free one.  ;)

I know Garmin has the 100k topo maps. I was wondering why there is not a free version.
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General Discussion / Re: Why has a map of the entire US not been made?
« Last post by Red90 on January 15, 2020, 07:42:06 PM »
The one Garmin sell is low resolution. I assume he is wanting to do a proper one.
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General Discussion / Re: Why has a map of the entire US not been made?
« Last post by Boyd on January 14, 2020, 04:16:48 AM »
Not sure what you mean Red. As the OP noted, Garmin sells a topo map that covers the whole US.

https://buy.garmin.com/en-US/US/p/127633

It is pre-loaded on the "T" models of their handheld devices. I don't care for it (or any of Garmin's topo maps, for that matter), but it exists. Had it on my old Oregon 400T and the DriveTrack 71 that I got last year also had it.

The current version from the DriveTrack 71 is 3.3gb. I removed it from the device to make room for other maps and archived it on disk.

BTW... seems really ridiculous that Garmin still clings to the ancient FAT32 filesystem in 2020. The EU maps are already more than 4GB and require two files. I understand the need for compatibility with old devices, but IMO there's no excuse for still having this limit on new models.
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General Discussion / Re: Why has a map of the entire US not been made?
« Last post by Red90 on January 12, 2020, 01:32:07 PM »
The 4 GB file limit causes a real one. You would still need more than one map.
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General Discussion / Re: Why has a map of the entire US not been made?
« Last post by Boyd on January 12, 2020, 04:21:28 AM »
I'll have to disagree with that. :) Old Garmin handhelds had a limit of about 2000 map tiles.  Starting with the Oregon (IIRC) they increased that to about 4000 tiles. Most of their handhelds still have that limit, but a few of the premium new models have increased this to 10,000 (maybe 15,000, not sure).

However, there really isn't any limit on what the size of a tile can be. We have discussed this here before - it's a trade-off between the size of each tile vs the quantity of tiles. But to give a concrete example that I'm familiar with, the Garmin 100k topo that was originally distrubuted on DVD had a total of about 6500 tiles (I had this), so there was no Garmin GPS that could accomodate this whole map.

Then they introduced the Oregon 400t that included a pre-loaded version of that same map for the entire US - I bought one of these in 2008. The way they accomplished this was to use much large tiles for the same map. The pre-loaded 100k topo only had about 500 tiles total - quite a difference from the old 6500! This allowed you to have the whole US plus a lot of other maps on the GPS at the same time (the device had a 4000 tile limit).

Now that Garmin has stopped selling maps on DVD, the 500 tile version of that map is all they sell. They intentionally made the tiles very small in the old map, so it would be compatible with their very old devices with tiny amount of memory and no card slots. That was always the  real reason for making small tiles.

But aside from all this.... making your own map of the whole US would be a huge job (I"m talking about making an original map, not just re-packaging OSM data). And what would be the point? ;)
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General Discussion / Re: Why has a map of the entire US not been made?
« Last post by jolly47roger on January 12, 2020, 12:38:02 AM »
There are technical reasons why a single Garmin map of the US cannot be made. Garmin devices vary but are limited to a few thousand map segments and, for the maps I make from USGS, each state is a few hundred although it depends on the level of detail, too.
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Well.... you have a GPS that's almost 20 years old! :) My first Garmin GPS was a Legend C, which is a "cousin" of your device. Think I got it around 2003 or 2004 (had a Magellan before that). These old eTrex units were fine in their day, but that was a long time ago.

Anyway, Garmin did not support raster imagery back then. That feature didn't come along until the first Oregon models (and IIRC, they made it backwards-compatible with the Colorado). But, even the newest models can only use kmz files with jpeg images no larger than 1024x1024 pixels and most devices only allow a total of 100 of those images. So, if you have a map with a 1-meter per pixel resolution, you'd only be able to load a map that is 10km x 10km.

But Basecamp doesn't have these limitations, so there are quite a lot of kmz files that work fine in Basecamp but not in any Garmin GPS (even the newest ones). If you want to use raster imagery, a much better platform will be a smartphone with an app. There are dozens of apps that support raster maps of (almost) unlimited size. And the apps range from free to only a few dollars each.
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