Re: queation exporting quaternions from mathematica 5
- To: mathgroup at smc.vnet.net
- Subject: [mg46686] Re: queation exporting quaternions from mathematica 5
- From: "Edward Jones" <emjones at emjones.plus.com>
- Date: Sun, 29 Feb 2004 03:16:33 -0500 (EST)
- References: <firstname.lastname@example.org> <email@example.com> <firstname.lastname@example.org> <email@example.com>
- Sender: owner-wri-mathgroup at wolfram.com
"Jens-Peer Kuska" <kuska at informatik.uni-leipzig.de> wrote in message news:c0s8ke$sk1$1 at smc.vnet.net... > Hi, > > the DXF import is for 3d files not for 2d files. > > If you would like to import a 2d vector graphics > I recommend PostScript and pstoedit that hat a Mathematica > mode .. > > I don't know what graphics conversion programs do you are > using but atleast my 3d modellers have all a continued > DXF import/export. > > DXF is not very powerfull for 3d files because it only > export the naked polygons and not texture coordinates, > normals or userdefined colors (different form the plotter > pen colors). The second draw back of DXF files is that the > format is not very compact and even small models generate > very large DXF files. > > Regards > Jens > > > bcd wrote: > > > > A PS to this thread which may actually be a question ... > > > > Just today I had occasion to read a .dxf file into Mathematica, looking for > > a way to display it (a template for a kitchen sink from Kohler, if you must > > know :-). > > > > I received an error that there was no Z-dimension. This should not have > > surprised me, as on-line help indicated that the result of Import-ing the > > file would be a 3DGraphicObject. > > > > Still, it seemed to be a bit odd that Mathematica gave up so easily on a > > simple 2D figure (rectangle with rounded corners). Is there perhaps some > > simple rationale for this? > > > > I also noticed that a lot of graphic conversion programs are dropping ..dxf > > (and I assume also .dwg/f) formats from their inventory. > > > > -Bruce > > > > On 2/12/04 04:46, in article c0fsj3$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 > > > > ----------------------------- What are the zeroes of the quaternion zeta function?