Bob- I dont mind tapping letters, or tapping numbers, or tapping characters, but to have them intermixed, is as you say, a pain!
-Don > From: [email protected] > To: [email protected] > Subject: [ENTS] Projected heights > Date: Sun, 10 Jan 2010 22:15:55 -0500 > > Don, ENTS, > > The following formula projects the remaining height of a tree > using a main log and an assumption about overall trunk form. I will > use computer symbols for the mathatical operators. > > Let > > R1 = radius of lower end of log > R2 = radius of upper end of log > L. = length of log > H. = height of remainder of tree > P = form factor > > P = 0.5 for paraboloid > P = 1 for cone > P = 1.5 for neiloid > > Then > > H = [L * R1^(1/P)] / [R2^(1/P)- R1^(1/P)] > > If you apply this formula, you quickly see than assuming a > conical form leads to a greater height than assuming a paraboloid form. > > The actual trunk form may change several times, so that this > approach to projecting remaining height probably can't be reliably > used for many conifers - especially older ones. I'll give examples in > another email. Typing on this iPhone is a pain in the #%*. > > Bob > > Sent from my iPhone _________________________________________________________________ Hotmail: Powerful Free email with security by Microsoft. http://clk.atdmt.com/GBL/go/196390710/direct/01/
