On 4.5.2009, at 11:37, Bruce Mutton wrote: > Martin > I assume B is the 'right angle' corner of the triangle formed by > the trees. > In this case, if I understand you correctly, you have described > directions > that are much more biased to particular orientations than Beats > instructions > (The diagonal plan and sloping directions are omitted). The > instructions do > say the particular orientation is not important, but given the > troubles I am > having I would have thought a uniform three dimensional spread > described by > cube faces and vertices would be less risky. > > On the other I can see it is easy to implement in the field without > any > special equipment provided one can brace the disto-X against the > tree and > not bump it when the button is pressed. > > I'll give it a go. > > Bruce
It is Beat's trick, he showed us it in Vercors. You are right, ABC should be +- right angle. Martin
