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Re: Octave VRML import

From: Alois Schloegl
Subject: Re: Octave VRML import
Date: Wed, 28 Oct 2015 17:10:20 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Icedove/31.8.0

On 10/28/2015 06:44 AM, Etienne Grossmann wrote:
>  Hi Alois, 
> sorry, I don't know of vrml-import function. 
>       * If there were one, it'd give you something like a parse tree,
> possibly in the form of a cell of structs. Is this something you could
> really use? 
>       * What do you want it for? Recover 3D points from vrml surfaces and
> such? 

Dear Etienne,

thanks for your reply. Yes, I need access to the data points and the
faces (i.e. triangulations).

>       * A simple file filter (e.g. perl) may help you get some data out of a
> file. 

Sure, that's certainly an option; although it would be nice to have it
integrated in Octave. The The "best" solution is probably an
oct/mex-wrapper above the import functions of meshlab/vcglib [1,2].
These software support already a number of mesh-data formats.


>  Good luck, 
>  Etienne 
> PS: If you use the vrml package, you may prefer the one attached, which
> works better w/ new Octaves. On Debian/Ubuntu, you may want to apt-get
> install view3dscene and vrml_set_browser("view3dscene"). I'd submit
> these changes to octave-forge, but after RTFM a little, I haven't
> figured out how to submit patches :-( 

Thanks for the updated vrml-package. vrml_browse is now working for me
(on Debian 8), unlike the package from octave-forge (missing freewrl),

It seems octave-vrml has been migrated to mercurial
  hg clone octave-vrml


> On 2015-10-27 12:57, Alois Schloegl wrote: 
> What is the recommended way to import an VRML file into octave ?
> I've found the VRML package [1 [1]] but did not not find an import
> functions. Has anyone written a vrml-import function ?
> Best,
> Alois
> [1] [1]
> Links:
> ------
> [1]

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