Anders Logg wrote:
> On Sun, Jun 21, 2009 at 11:36:29PM -0600, Bartosz Sawicki wrote:
>> On 19/06/09 02:53 PM, kent-...@simula.no wrote:
>>> When using VMTK the boundary indicators are stored as a set of arrays
>>> with names
>>> boundary facet cells,
>>> boundary facet numbers
>>> boundary indicators
>>> The two first arrays are used to find the global facet numbers.
>>> The function computes a mesh function based on these arrays.
>>>
>>> This was what Anders prefered since VMTK does not now anything
>>> about the global numbering of facets in Dolfin (without linking it into
>>> Dolfin).
>>>
>>> This is not a VMTK specific problem, but I do think VMTK is the only
>>> mesh-generator
>>> that let you store boundary indicators at the moment. I guess we should add
>>> this to NetGen as well, both Hans Petter Langtangen and Douglas Arnold has
>>> bugged
>>> me about this the last few days.
>> I'm every day user of this functionality. I use Netgen generated models, 
>> but also other software which add boundary indicators to existing 
>> meshes. Netgen supports boundary indicators quite well, both by geo 
>> files, and by GUI. I don't understand what you want to add?
> 
> Is it possible to set DOLFIN boundary indicators from Netgen? I didn't
> know.
> 
> Meshing is a problem for us. I don't know what the long-term goal
> is. Netgen is good but it would be nice if the interface could be
> updated to a modern toolkit instead of Tk.
> 
> One option could be to add meshing capabilities to MeshBuilder (using
> an external library like Netgen).
> 
> I'd like a tool where I can
> 
>   1. draw simple domains in 2D / 3D
>   2. import CAD geometry
>   3. set boundary indicators
>   4. create and export Mesh in DOLFIN XML
>

How many of these steps can gmsh perform?

Garth

> 
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