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Re: How to plot the magnetic field vector along the trajectory [message #59269 is a reply to message #59133]

Wed, 12 March 2008 08:09

lasse
Messages: 48
Registered: February 2007

Member

On 12 Mar, 15:45, David Fanning <n...@dfanning.com> wrote:
> Lasse Clausen writes:
>> We are not throwing away anything, we are merely projecting into the
>> XY plane... ;-) You have to project somewhere as the computer screen
>> is not capable of displaying 3D - nor is paper, incidentally. And the
>> usual way to do this kind of thing is to provide three plots, one in
>> the XY plane, one in XZ and one in YZ. You then have to assemble the
>> 3D picture in your head.
>
> Or, you could envision an object graphics solution with
> an "earth" and "satellite" revolving around it, casting
> a shadow trajectory onto the earth with a magnetic vector
> rotating about in the plane of the satellite.
>
> All I'm saying is, the question lacked enough detail,
> for whatever good reason, to know how to form a sensible
> answer. And that when you ask better questions, you get--
> generally--better answers.
>
> I agree that this question was borderline for such a
> response. Even I could tell English was not the first
> language. But coming, as it did, at the end of a long
> day and after several seriously bad questions from the
> past week, I just thought a reminder might be useful. :-)
>
> Cheers,
>
> David
> --
> David Fanning, Ph.D.
> Fanning Software Consulting, Inc.
> Coyote's Guide to IDL Programming:http://www.dfanning.com/
> Sepore ma de ni thui. ("Perhaps thou speakest truth.")

As I said earlier, the question did not lack detail for me because I
have seen lots of these kind of plots before, so I was pretty sure
what was asked for. But I can also see that it would be confusing if I
hadn't seen these plots before.

More importantly, IDL can do that sort of thing? With shadows and all?
Object graphics I hear you say... Mmmm, so far I have ignored
everything involving object graphics. Well, maybe one fine day.

Cheers
Lasse Clausen

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[Message index]

		How to plot the magnetic field vector along the trajectory By: duxiyu@gmail.com on Tue, 11 March 2008 20:05
		Re: How to plot the magnetic field vector along the trajectory By: mankoff on Thu, 13 March 2008 06:33
		Re: How to plot the magnetic field vector along the trajectory By: duxiyu@gmail.com on Thu, 13 March 2008 05:42
		Re: How to plot the magnetic field vector along the trajectory By: duxiyu@gmail.com on Thu, 13 March 2008 05:40
		Re: How to plot the magnetic field vector along the trajectory By: manodeep@gmail.com on Wed, 12 March 2008 14:30
		Re: How to plot the magnetic field vector along the trajectory By: mankoff on Wed, 12 March 2008 10:00
		Re: How to plot the magnetic field vector along the trajectory By: jdu on Wed, 12 March 2008 08:35
		Re: How to plot the magnetic field vector along the trajectory By: lasse on Wed, 12 March 2008 08:09
		Re: How to plot the magnetic field vector along the trajectory By: David Fanning on Wed, 12 March 2008 07:45

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