Path: news.mathworks.com!not-for-mail
From: <HIDDEN>
Newsgroups: comp.soft-sys.matlab
Subject: Re: Normal vector of circles
Date: Sat, 23 Oct 2010 21:54:05 +0000 (UTC)
Organization: The MathWorks, Inc.
Lines: 8
Message-ID: <i9vlht$6qq$1@fred.mathworks.com>
References: <i9vb60$eu5$1@fred.mathworks.com> <i9vi1d$plf$1@fred.mathworks.com> <i9vkph$i54$1@fred.mathworks.com>
Reply-To: <HIDDEN>
NNTP-Posting-Host: webapp-02-blr.mathworks.com
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 8bit
X-Trace: fred.mathworks.com 1287870845 7002 172.30.248.37 (23 Oct 2010 21:54:05 GMT)
X-Complaints-To: news@mathworks.com
NNTP-Posting-Date: Sat, 23 Oct 2010 21:54:05 +0000 (UTC)
X-Newsreader: MATLAB Central Newsreader 1187260
Xref: news.mathworks.com comp.soft-sys.matlab:680805

"Paulo " <paulofreitas7@portugalmail.pt> wrote in message <i9vkph$i54$1@fred.mathworks.com>...
> .......
> Yes the circle that I'm using is the one that cuts a sphere in half passing through the center of the sphere, known as great circle. I just have the radius and the center point. Now it is enough Jan? If not, what information I need?
> ......
- - - - - - - -
  You need to state how this great circle is determined.  Out of the infinity of possible such great circles, which one is it?  When you tell us, I predict the normal to the plane of the circle will be obvious.

Roger Stafford