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MathGroup Archive 2005

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Re: Re: Mouse controlled 3D rotations

  • To: mathgroup at smc.vnet.net
  • Subject: [mg57900] Re: [mg57884] Re: [mg57848] Mouse controlled 3D rotations
  • From: Andrzej Kozlowski <andrzej at akikoz.net>
  • Date: Sun, 12 Jun 2005 04:34:21 -0400 (EDT)
  • References: <200506110735.DAA16853@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

O.K. since nobody has tried to answer I shall have a go. But first I  
want to state that I have no connection with WRI and no access to any  
inside knowledge and in particular I am not breaking any non- 
disclosure agreements because I have never signed any. I have only  
seen some public demos.

Now, on the basis of that I would say is that the reason is that the  
OpenGL based RealTime3D was always intended only as a stop-gap  
measure before Wolfram's new graphics system, which will allow you to  
do everything that RealTime3D does and much more, is ready. It  
probably has taken longer to get that system to work than was  
originally expected, but since it was always intended to completely  
replace RealTime3D no attempt was made to seriously improve the  
latter or to integrate it with the rest of Mathematica. I suspect the  
present version is the last one in which the OpenGL based RealTime3D  
is going to be found. The fact that no attempt was ever made to  
integrate it with the Mathematica kernel means that there is no need  
to worry about backward compatibility.

All the above is pure speculation of course and carries no authority  
whatever.

Andrzej Kozlowski


On 11 Jun 2005, at 16:35, Marco Gabiccini wrote:

>
> Use experimental package <<RealTime3D`.
> Then, when plotting 3D object with Show you can rotate 3d with mouse.
>
> The formatting of the plot is completely destroyed though.
>
> I do not figure out why. I asked also to the list but I did not  
> receive any
> reply.
>
> Bye,
>
> Marco

>
> At 02:29 AM 6/10/2005 -0400, you wrote:
>
>> Is there a way to build a 3D graphics object (e.g., a simple
>> Tetrahedron) and manipulate it (e.g., rotate it in 3D) with the  
>> mouse?
>>
>> There is an example on webMathematica of just this, but I haven't
>> figured out how to do it at all in plain ol' Mathematica.
>>
>> Does it matter what system I'm on (AIX 5.1 or WinXP)?
>>
>> I noticed that on AIX5.1, starting math kernel (no notebooks) that  
>> I can
>> use Animate[] to make a movie of a rotating Tetrahedron.  In XP, the
>> same doesn't produce anything.  On either system, in a notebook, I  
>> just
>> get multiple graphics objects, one for each rotational position --
>> there's no live animation.
>>
>> Any guidance is appreciated.
>>
>> Jim Hafner
>> hafner at almaden.ibm.com
>>
>
>
>


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