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RE: [Octave] Mesh


From: Marco Vassallo
Subject: RE: [Octave] Mesh
Date: Sat, 1 Jun 2013 15:59:42 +0200



> Subject: Re: [Octave] Mesh
> From: address@hidden
> Date: Sat, 1 Jun 2013 14:22:09 +0200
> To: address@hidden
>
>
> On 31 May 2013, at 09:39, address@hidden wrote:
>
> > Message: 3
> > Date: Fri, 31 May 2013 00:52:31 +0200
> > From: Marco Vassallo <address@hidden>
> > To: "address@hidden" <address@hidden>
> > Subject: [Octave] Mesh
> > Message-ID: <address@hidden>
> > Content-Type: text/plain; charset="iso-8859-1"
> >
> > I would like to understand a little bit about mesh in Octave as
> > I have to use them with dolfin Mesh.
> > I have seen the forge pkg msh, but the documentation is not
> > very exhaustive.
>
> Marco the mesh format used by the msh package is extremely simple and is described
> here in detail for 2D:
>
> http://octave.sourceforge.net/msh/function/msh2m_structured_mesh.html
>
> and here for 3D
>
> http://octave.sourceforge.net/msh/function/msh3m_structured_mesh.html
>
> essentially it is just an Octave structure with 3 matrix fields:
>
> p is the list of vertices
> t is the connectivity matrix
> e is the list of boundary facets
>
> if you find that documentation unclear I'd be very glad to accept you patches to make more
> clear and to provide guidance in helping you prepare those patches.
>
>
this documentation is clear.
I was looking to the documentation for unstructured_mesh which refer to gmsh manual
and so I was a little bit scared.
But I imagine that structured and unstructured mesh are managed with the same format..

Thanks,

Marco

> > Is msh the only way in wich we can manage
> > mesh in Octave or there is some other options?
>
> yes msh is the only currently available mesh managing package I am aware of
> and it is part of Octave-Forge, not Octave.
>
> > Marco V.
>
> c.
>
>

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