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Re: Following a ridgeline [message #60865 is a reply to message #60864]

Wed, 18 June 2008 08:55

Jean H.
Messages: 472
Registered: July 2006

Senior Member

Jelle wrote:
> On Jun 17, 6:14 pm, Jean H <jghas...@DELTHIS.ucalgary.ANDTHIS.ca>
> wrote:
>> Hum... an edge is not necessarily the lowest slope...
>
> Agreed, but a ridge would be, wouldn't it?

hum....
let's think of a prism laying on the kitchen table: the top edge is a
ridge, the slope of the ridge is zero and 2 "steep" plan lay on each
side. Now let's put the prism on one of its triangle (and add a small
angle). The same ridge is now almost vertical and the slope of the plans
on each side is now smaller...

> But possibly that is exactly the problem: When is a ridge a ridge.
> When that can be define propely, one can model a solution.

agreed...
I like the "why programmers are lazy and dumb" link on your page.. it is
indeed hard to solve a problem that can not be defined :-)

Jean

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[Message index]

		Re: Following a ridgeline By: Jelle on Wed, 18 June 2008 11:10
		Re: Following a ridgeline By: Jelle on Wed, 18 June 2008 11:02
		Re: Following a ridgeline By: Juggernaut on Wed, 18 June 2008 09:14
		Re: Following a ridgeline By: Jean H. on Wed, 18 June 2008 08:55
		Re: Following a ridgeline By: Jelle on Wed, 18 June 2008 01:52
		Re: Following a ridgeline By: Jean H. on Tue, 17 June 2008 10:14
		Re: Following a ridgeline By: RJA on Tue, 17 June 2008 02:20
		Re: Following a ridgeline By: Peter Clinch on Tue, 17 June 2008 02:01
		Re: Following a ridgeline By: Jelle on Mon, 16 June 2008 16:14
		Re: Following a ridgeline By: Kenneth P. Bowman on Mon, 16 June 2008 12:37
		Re: Following a ridgeline By: mzagursk@gmail.com on Mon, 16 June 2008 13:34
		Re: Following a ridgeline By: karo03de on Mon, 23 June 2008 00:50
		Re: Following a ridgeline By: mzagursk@gmail.com on Mon, 16 June 2008 13:15
		Re: Following a ridgeline By: David Fanning on Mon, 16 June 2008 12:49
		Re: Following a ridgeline By: Mike[2] on Tue, 24 June 2008 08:53

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