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Old 08-05-2013, 11:50 AM   #16
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Great write-up! Need to recheck my settings...
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Old 08-09-2013, 09:04 PM   #17
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Great refresher. I tend to forget how to use the GPS only using it for long rides infrequently.

How about some info on appending .gpx files with tracks to existing files?
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Old 08-09-2013, 11:51 PM   #18
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Some further clarification on the "new" feature with the 78 - "Record, Do Not Show".
In the 78, (MENU)(MENU), Setup menu, Tracks, then "Track Log" gives you three options. "Do Not Record" is the same as "Off" on the 60/76.


"Record, Show On Map" and "Record, Do Not Show" can be configured on the 60/76 in the Map Setup page.
Turning "Track Log" to "Off" == "Record, Do Not Show" when track logging is "On" in the tracks page.
Alternatively, and this may be a better way to do it ... set the "Track Points" to a really small number like 10, to show a short tail of where you've been. This way you know it's on and logging, but the track log doesn't clutter up the screen. Also gives you a good idea of your heading.


Hope that clears things up.
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Old 08-10-2013, 12:00 AM   #19
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• Mass Storage Mode
This mode effectively turns your GPS into an expensive MicroSD card reader.

With the unit plugged into a computer through an A-MiniB USB cable...
(MENU)(MENU), "Setup", "Interface", and at the bottom is the "Mass Storage Mode" button.

With the GPS in this mode you can access the data on the card as if it were plugged into a card reader on your computer. Mounts as a drive letter in windows or a volume on the desktop on Mac. Move tracks around, install maps, whatever. Until you unmount the unit (Right-click, "Eject" in windows, or drag the volume into the trash/eject icon in the dock on Mac), reboot it manually holding the (POWER) key, or unplug the USB cable, it will stay in this mode and will not track GPS satellites or be usable as a Garmin Spanner device. I can't even grab a screenshot with the device in MSM. It's got a cute picture of the receiver plugged into a tower PC.

If you're moving large amounts of data (like installing maps), I HIGHLY recommend a card reader - The GPS functions at USB 1.1 speeds - very slow. What takes hours through the GPS will take minutes through a card reader. Fair warning.

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Old 08-10-2013, 12:28 AM   #20
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Quote:
Originally Posted by ramjet View Post
How about some info on appending .gpx files with tracks to existing files?
Like what exactly?

A GPX file is XML at its core - it's a text file that follows some rules. If you're familiar with HTML, XML isn't much different.
Open a copy of an existing GPX file in a text editor and play around with it.
(I like TextWrangler on the Mac, Notepad++ on Win - Both offer "folding up" sections and syntax hilighting)

You'll have a schema up top that looks something like this, yours may vary depending on what software you use:
(Note that I've replaced < with ≤ and > with ≥ in the following examples so it doesn't parse as HTML...)
Code:
≤?xml version="1.0" encoding="ISO-8859-1" standalone="yes"?≥
≤gpx
    xmlns="http://www.topografix.com/GPX/1/1" version="1.1"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:gpxdata="http://www.cluetrust.com/XML/GPXDATA/1/0"
    xsi:schemaLocation="http://www.topografix.com/GPX/1/1
                      http://www.topografix.com/GPX/1/1/gpx.xsd
                      http://www.cluetrust.com/XML/GPXDATA/1/0
                      http://www.cluetrust.com/Schemas/gpxdata10.xsd"
≥
Below that you'll have some waypoints:
(Note that comments are encapsulated around ≤!-- --≥ tags, just like HTML)
Code:
≤!-- ## Parking Areas --≥
≤wpt lat="40.389079995" lon="-106.635330060"≥
    ≤name≥Dumont Lot≤/name≥
    ≤cmt≥Upper lot, Hwy40≤/cmt≥
    ≤sym≥Car≤/sym≥
≤/wpt≥
≤wpt lat="40.387669334" lon="-106.618745322"≥
    ≤name≥Muddy Creek≤/name≥
    ≤cmt≥MC lot≤/cmt≥
    ≤sym≥Car≤/sym≥
≤/wpt≥
WPT and NAME tags are pretty much required, SYM depends on the GPS. ELE for elevation is another common one, created when you save a point on the GPS. Not required though.

Tracks are in the TRK tags:
Code:
≤trk≥
≤name≥To MFerArea≤/name≥
≤trkseg≥
≤trkpt lat="40.440104083" lon="-106.643632219"≥≤/trkpt≥
≤trkpt lat="40.440389474" lon="-106.644032647"≥≤/trkpt≥
.......
≤trkpt lat="40.441609959" lon="-106.646455420"≥≤/trkpt≥
≤trkpt lat="40.441361221" lon="-106.646500499"≥≤/trkpt≥
≤/trkseg≥
≤/trk≥
This is just an array of lat/long (and potentially ELE) points. Tracks will also have a time.
Active Log is segmented when you power-cycle the receiver or turn tracking off then back on, but on the GPS and on Google Earth, the last point of one segment and the first point in the next segment are connected. Making a new TRK out of the two segments will separate them.

Routes cont'd....
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Old 08-10-2013, 12:35 AM   #21
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You can also have routes in here, they're formatted kind of as a hybrid between tracks and waypoints.

They're similar to tracks in that you have a high-level RTE called out with a name and the route is top-to-bottom in the array.
They're similar to waypoints in that each point has a lat/long, name, comment, symbol, elevation, etc.
Code:
≤rte≥
≤name≥Example Route≤/name≥
≤rtept lat="40.389079995" lon="-106.635330060"≥
    ≤name≥Beginning≤/name≥
    ≤cmt≥First Route Point (1/3)≤/cmt≥
    ≤sym≥Flag, Blue≤/sym≥
≤/rtept≥
≤rtept lat="40.387669334" lon="-106.618745322"≥
    ≤name≥Middle≤/name≥
    ≤cmt≥Second Route Point (2/3)≤/cmt≥
    ≤sym≥Flag, Blue≤/sym≥
≤/rtept≥
≤rtept lat="40.55697978" lon="-106.5962596"≥
    ≤name≥End≤/name≥
    ≤cmt≥Last route point (3/3)≤/cmt≥
    ≤sym≥Flag, Blue≤/sym≥
≤/rtept≥
≤rte≥
You can copy/paste values, chunks of data, or even find/replace text to convert a list of waypoints to a route and vice versa as long as you keep the appropriate formatting. Again, you're really just editing a text file.

I like GPSBabel (available for Mac/Win/*nix) for validating GPX files - Where LoadMyTracks and Google Earth either puke errors or simply don't load the file, GPSBabel tells you what line number the problem's at. Usually you're missing an open/close tag there.

That answer your question?
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Old 08-10-2013, 12:54 AM   #22
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Here's what my Rabbit Ears.gpx looks like (the file I took data out of for the previous examples). I've removed some points to shrink it to size, but you get the idea.

Also illustrates why I like a better text editor than TextEdit/Notepad. Syntax hilighting makes reading/editing these MUCH easier. Adding comments is good coding standard.
The (...) in here is where data's been folded up - notice the line numbers.
Notepad++ just replaces a [-] with a [+] on the side.



I've got a whole library of these files I squirt into the GPS the night before I go riding.
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Old 08-10-2013, 08:09 AM   #23
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First a basic question. Say, I have all of western states from City Nav and Roads and Rec loaded via Mapsource on the desktop. Then someone sends me .gpx with 25 tracks/500 waypoints. So that is added. Now I need to add another .gpx to the above that has a route correction. How does that get added so it shows as part of the overall map/route in the best way?
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Old 08-10-2013, 01:35 PM   #24
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You're looking at two different memories here.

The maps (excluding the basemap) are stored on the µSD card in the /Garmin/GMAPSUPP.IMG file. If the GPS sees that file on bootup and can read from it as a valid map file, it'll load that as additional maps on the device. Depending on the map you have loaded, it may have autorouting features, topo lines, various POI groups, marine/depth data, etc. There's a 2025 tile limit for these mapsets with the 60/76, expanded to 4k (per mapset) on the 62/78.

Then there's the user data. This is the Active Log, Saved Tracks, waypoints, and routes. This is saved in onboard memory on the device. With "Log Tracks to Data Card" enabled, the device will write a copy of the Active Log to the memory card, but no user data on the memory card can be read into the map page or waypoint/route lists.

Maximums:
• 20 saved tracks, 500 points each (Appear in the list on the Tracks page)
• 1 Active Log, 10000 points (% on the Tracks page, sections up to 500 points can be saved to Saved Tracks)
• 1000 user waypoints
• 50 routes, 250pts each

To fit 25 tracks on there, you'll need to trim down or eliminate redundant points, possibly merging multiple tracks into one longer track with slightly fewer points.

So I've got a library of GPX files on the computer. If I'm riding through multiple areas, I'll squirt in as many of those files as needed as long as I know I'm still under the limits (and i'm nowhere close).
Rampart.gpx has about 25 waypoints, 1 saved track with about 30 points in it.
Rainbow Falls.gpx has half a dozen waypoints.
717.gpx has 2 saved tracks, and another 15 waypoints.
Once all those are moved into the receiver, I've got 3 saved tracks on the tracks list, and about 50 waypoints in there.

Another option for managing a massive amount of waypoints is to build a Custom POI (Point of Interest) file - While this won't show up on the map page by default, you can select from multiple databases within the Custom POI menu. You can save POIs as waypoints if it's something you'll be referencing often, but you can delete the waypoint and still have the POI available.



You can build several custom POI databases and select one or all of them.
Each database can have its own custom icon.
You can add quite a bit more freeform text along with the POI.

It's been a long while since I built ^^ database; it wasn't overly difficult but it was a lot of data to deal with and keep straight. Use "Garmin POI Loader" to build and install the files.
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Old 08-10-2013, 05:28 PM   #25
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Quote:
Originally Posted by ramjet View Post
First a basic question. Say, I have all of western states from City Nav and Roads and Rec loaded via Mapsource on the desktop. Then someone sends me .gpx with 25 tracks/500 waypoints. So that is added. Now I need to add another .gpx to the above that has a route correction. How does that get added so it shows as part of the overall map/route in the best way?
With MapSource you can have as many .gdb files on your hard drive as you want. You open each file with MapSource and you select which map set you want to view the file with (CN or R&R, select at top). If you have date (tracks waypoints etc) in one file and want to combine it with data in another file, just Select, Copy in first file, switch to other file and Paste.
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Old 08-10-2013, 07:05 PM   #26
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Great stuff! I'm going to play around with it tonight. Downloaded Notepd ++ and GPSBabel.

I'll need to cut down the number of tracks to run on my 60csx.
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Old 08-10-2013, 08:02 PM   #27
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Quote:
Originally Posted by ramjet View Post
Great stuff! I'm going to play around with it tonight. Downloaded Notepd ++ and GPSBabel.

I'll need to cut down the number of tracks to run on my 60csx.
Most people make a file for each ride, then just download the data from that file to go on that ride. the 20 tracks of 500 points will hold a 2,000 mile ride )like CDR).
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Old 08-10-2013, 08:55 PM   #28
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Picked up a new Sandisk 8g card to use. SD card reader won't read the micro in the SD adapter. Time to scrap this 7+ year old POS.

Maybe I'll just get a Macbook. Anything smaller, mobile to do editing on?
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Old 08-10-2013, 10:05 PM   #29
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Quote:
Originally Posted by ramjet View Post
Picked up a new Sandisk 8g card to use. SD card reader won't read the micro in the SD adapter. Time to scrap this 7+ year old POS.

Maybe I'll just get a Macbook. Anything smaller, mobile to do editing on?
Card might just need a formatting.

Macbook for mobile/travel use?
Might look at an older netbook, chromebook, etc. You can find these setups for $200-300.
The Macbook's great, but it's pretty expensive to be banging around in a pack or saddlebag.
Either way, I strongly suggest a SSD for it vs. a conventional HD if you're using it offroad much.

The big software tools you'll need are a good text editor, something that'll let you push data into and suck data out of the receiver in GPX format, and Google Earth to visualize the data.

The first two are easily covered with pretty much any computer. Both Google Earth and GPSBabel can talk to receivers, though I prefer LoadMyTracks (Mac) or EasyGPS (Win). Again, both free, because i'm a cheapass.

Google Earth is the most processor, RAM, and network-intensive of the three, by a long shot. You can scale things back to improve performance, but it's still going to be painfully slow on an old/low-cost workstation.

You can also put some software tools and files on the data card in the GPS. For the most part, the GPS ignores files it can't read. Then find a "business center" in a hotel somewhere and use that computer. Mass Storage mode to copy the apps out, reboot the GPS into normal spanner mode and do what you need to.
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Old 09-13-2013, 11:59 AM   #30
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thanks for this write up. Very helpful!
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