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MathGroup Archive 2004

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Re: queation exporting quaternions from mathematica 5

  • To: mathgroup at smc.vnet.net
  • Subject: [mg46360] Re: queation exporting quaternions from mathematica 5
  • From: bcd <bcdetterich at socal.rr.com>
  • Date: Mon, 16 Feb 2004 09:00:04 -0500 (EST)
  • References: <bvvmv6$j1t$1@smc.vnet.net> <c0fsj3$c41$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

A PS to this thread which may actually be a question ...

Just today I had occasion to read a .dxf file into Mathematica, looking for
a way to display it (a template for a kitchen sink from Kohler, if you must
know :-).

I received an error that there was no Z-dimension.  This should not have
surprised me, as on-line help indicated that the result of Import-ing the
file would be a 3DGraphicObject.

Still, it seemed to be a bit odd that Mathematica gave up so easily on a
simple 2D figure (rectangle with rounded corners).  Is there perhaps some
simple rationale for this?

I also noticed that a lot of graphic conversion programs are dropping .dxf
(and I assume also .dwg/f) formats from their inventory.

-Bruce


On 2/12/04 04:46, in article c0fsj3$c41$1 at smc.vnet.net, "Jens-Peer Kuska"
<kuska at informatik.uni-leipzig.de> wrote:

> Hi,
> 
> a) a quaternion is not a 3d shape and it is not complicated
> b) Mathematica can read and write DXF and STL files
> c) if you install MathGL3d from
> 
> http://phong.informatik.uni-leipzig.de/~kuska/mathgl3dv3/
> 
> you can export VRML, POVRay, QuickDraw3D and in the upcomming version
> Alias|Wavefront 3d files.
> 
> Regards
> Jens
> 
> chris kievid wrote:
>> 
>> Hi all, I was wondering (before I purchase the mathematica package) if
>> it would be possible to export complicated 3d shapes (like quaternions)
>> as meshes (.dxf / .obj), so that I can use it in 3d graphic packages
>> like 3ds max. I read that there is an external viewer that displays the
>> 3dplot and has export capabilities. But for other packages this is
>> normally limited to 3d deformations of standard meshes, so that's why I
>> ask
>> 
>> If not possible, would you know another package that would be capable of
>> doing just that.
>> 
>> Thx chris
> 


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