Originally Posted By squark
and then add all the lengths together to get

10.8306 + 29.8016 + 19.5599 + 4.67766 = 64.8697



That worked!

Here's what I got:

Flat Distance : 60.7402091398617
Adjusted for Terrain Distance : 64.8697213477516

That's a big difference for just 60 ft of travel, and that sample was taken from my GPS track of a hike in the hollow below my house. I did grab that small piece because it had a notable variation in elevation, so it's not an average sample, but what it shows is significant.

If anyone has a track they'd like to run through the code I'd be glad to post the results. For that matter, if anyone wants the code, I'd be glad to send it to you.

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