dolfin team mailing list archive

[Anders Logg <logg@xxxxxxxxx>]

On Wed, Aug 20, 2008 at 03:03:06PM -0400, Shawn Walker wrote:
> I see that you want to keep the mesh topology separated from the 
> geometry, right?  But, even now, this is slightly violated in the current 
> .xml format, because with each vertex index, you give the coordinates.  
> If all you wanted was the topology, then the coordinates would not be 
> necessary. The coordinates are only need to make sense of the geometry of 
> the mesh (i.e. whether there is overlap of triangles or inverted 
> triangles, etc). So, technically, there should be a list of topological 
> vertices and a separate list of geometric vertices.
>
> Is this what you mean?
>
> - Shawn

Yes. We might need to break the XML format by having a <topology> tag
and a <geometry> tag which are separate.

-- 
Anders

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