jdemaris said: (quoted from post at 14:44:26 04/12/10) Yes, but what exactly IS the formula? If I'm even wrong by few feet, I might be in big trouble.
Is the figuring linear? I.e., if I measure a four foot tree and it has a two foot shadow, then at that time, the bigger trees will have exactly the same tree-to-shadow ratio?
Some of these trees look like it's going to be very close. I was wondering if there is any optical-type device that kind of works like a range-finder - but for the purpose of calculating tree height.
Issac Newton supposedly invented calculus to determine sizes of distant objects. But, I'm no Issac Newton and almost failed calculus.
Like I said, if I guess and am only off by 5 feet - I might land a big tree on 50,000 volt high-lines. And be in for some legal trouble.
The power-line road is 75 feet wide. Up to a few years ago, the high lines were exactly in the middle. But, they redid them recently and got a bit lazy. They left all the old stuff in, and put in new poles and lines 10 feet off to the side of the middle. So, some of these poles are now 27.5 feet from my tree line, and they are pretty tall. 30' at least. Also my trees are on much higher ground then the poles, up on a bank.
I could stare at it 'till the cows come home, but can't really tell where that tree will land until I cut one down and cross my fingers.
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