[Cdt-l] GPS and TOPO! ready files (based on Jonathan's Google, Earth file)

Eric Whte ericshawwhite at yahoo.com
Mon Jan 4 07:06:49 CST 2010

Let me change my previous rhetorical question to a real one:  Will the uploaded Google Earth map have the same resolution (information) as the Garmin 1:100,000 TOPO US map or its equivalent? Eric

From: Jonathan Ley <jonathan at phlumf.com>
To: cdt-l at backcountry.net
Sent: Sun, January 3, 2010 10:40:10 PM
Subject: Re: [Cdt-l] GPS and TOPO! ready files (based on Jonathan's Google, Earth file)

Just a few comments on this...

As Blisterfree mentions below, part of the idea was that anyone could take the .kmz file I created and edit / personalize it. I originally drew the kmz route about 4 years ago, and had only rudimentary tools at the time. It involved a lot of exporting, reformatting and importing data, and a bit of simple .kml coding. 

Now, there is a great kml/kmz editor built right into Google Earth. Anyone with a computer & the bandwidth (both personal time & Internet speed) can refine the route, add links to their trailjournal, add alternate routes, etc. etc. etc... The reason the route is more refined in northern MT is because I did more work on that section a couple years ago using the GE editor - drew the route more accurately, added alternates, added a few placemark notes, and links to photos on my website). I've had intentions of doing the rest of the route similarly, but have had too many other priorities. 

Thanks for all the kudos... I have to pass on a lot of that to all the hikers who send back info each year. The maps stay fresh because of all the feedback. Right now, I'm searching for the bandwidth to complete the 2010 updates... as a new homeowner who just spent the past 3 days painting a ceiling and going completely stir crazy, I'm wondering how exactly this is going to work.... but I'm sure I'll get it figured out :-)


Brett wrote: 
Yep, the data is all verbatim from Jonathan's KMZ file. I'm not sure, but it looks like Jonathan may be adding in alternate routes from the northern terminus southward. Montana shows a lot of these, for instance, but few if any south of there, and much of the "main track" in WY, CO, and NM is presumably templated around what Jonathan actually walked, ie some of it is surely out of date in terms of defining a "main" or "most popular" route. Based on his website description it looks like JL may be accepting "donations" of additional data, which could be added to his file and then filter downward from there. 
>My main intent with the GPX files was to offer the two (nobo and sobo) versions of a universally GPS-friendly single-file set of track segments for the whole trail, that could be uploaded once prior to a thru-hike and referred to whenever needed, without the need to upload additional files during the hike due to storage capacity issues. In the jungle of various GPS data sets available in cyberspace, this seemed to be a niche that hadn't yet been filled. The compromise with such a single-file approach will always be the unsatisfactory answer to the question of which route to offer. My intent is not to answer this, but if the trail community can settle on something (perhaps the CDTA route except where unpopular and little-used?) then that might present the best possible answer for now.
>- bf
>Rick Ostheimer wrote: 
>These posts from Jonathan Ley's maps are great, but note that the 
>>southern terminus for NM is showing as Antelope Wells.  This was one of 
>>the two southern terminii when Ley hiked, but now I understand the 
>>"official" terminus is Crazy Cook.  I also understand that Antelope 
>>Wells is to be avoided due to drug smuggling and illegal immigration 
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