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Re^2: The shortest distance between my keyboard and the Monastery is:

by Boots111 (Hermit)
on Aug 05, 2005 at 15:47 UTC ( #481286=note: print w/ replies, xml ) Need Help??


in reply to Re: The shortest distance between my keyboard and the Monastery is:
in thread The shortest distance between my keyboard and the Monastery is:

All~

A rhumb line is used for nautical navigation. It can be difficult to follow a great circle as the heading of one constantly changes. Thus to go between to nearby points on the world one often uses a rhumbline. Essentially you figure out the initial heading that puts you to toward the point you wish to go to and follow a constant heading, you will take a rhumb line.

Rhumb lines form a spiral to the nearest poll (unless your heading is 0). The advantage to having a constant heading is that it is easy to hold a constant heading in a control loop, wheras controlling on a great circle requires much more math.

http://en.wikipedia.org/wiki/Rhumb_line

Boots
---
Computer science is merely the post-Turing decline of formal systems theory.
--???


Comment on Re^2: The shortest distance between my keyboard and the Monastery is:
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Re^3: The shortest distance between my keyboard and the Monastery is:
by mpolo (Chaplain) on Aug 05, 2005 at 17:43 UTC

    Rhumb lines form a spiral to the nearest poll (unless your heading is 0).

    I really thought you were making a joke about the poll ideas quest here. Imagine how disappointed I was when it was a spelling error.

    But thanks for the information -- you learn something new every day around here.

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