3D plot examination



It would be nice to have an PRC (U3D) output from Maxima (VTK)
- for including 3D graphics into PDF documents.

So far there is a possibility to obtain VRML files from Maxima
VTK interface and convert them with use of Meshlab into U3D (but without
coloring and axes). See example at
https://www.math.muni.cz/~plch/maxima.pdf.

Or VTK -> IDTF export? With free IDTFConverter we can simply create
U3D files (as in Sage).   

With best regards

Roman 


> El jue, 11-04-2013 a las 21:26 -0700, Henry Baker escribi?:
> > I just discovered the free open source program called "MeshLab", which
> > can be used to visually inspect 3D models on modern computers.
> > 
> > http://meshlab.sourceforge.net/
> 
> 
> I didn't know of the existence of this program. Sounds very interesting.
> 
> 
> > 
> > If someone else hasn't already done it, I may take a crack at trying to
> > output "stl" files from Maxima.
> > 
> > "stl" files are extremely simple": ordered triples of ordered triples describing oriented triangles in 3D.
> > 
> > There are lots of stl files available on the web to use to test this program; most of these files are used for 'printing' 3D objects.
> 
> > I'm kind of surprised that gnuplot doesn't already hack stl files.
> 
> Sure. In fact, that's the reason why the Maxima-Vtk interface was
> initiated.
> 
> It shouldn't be too difficult to draw arbitrary surfaces based on
> triangles, parallelograms or polyhedral angles, like in
> 
> http://riotorto.users.sourceforge.net/vtk/poly
> 
> Or build a new graphic object for this sort of tasks.
> 
> Vtk is extensively used in medical and remote sensing imagery and it has
> stl writer and reader classes.
> 
> --
> Mario
> 


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Roman Plch,                     phone: 549496499  
Dept. of Mathematics            e-mail: plch at math.muni.cz
Kotlarska 2, 611 37 BRNO        WWW: http://www.math.muni.cz/~plch
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