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The simplest representation uses a square grid, with additional diagonal
edges one way across each square. Thus for instance you could use a
two-dimensional array in which element (i,j) is a neighbor of:
This gives the topology of a triangular lattice.
If you prefer to use a one-dimensional array, there is also a simple
one-dimensional representation using helical boundary conditions.
On 11/05/2009 11:19 AM, Moses Boudourides wrote:
> Say we have a triangular grid (tiling) formed by nxm vertices (i.e., a
> graph in which all internal vertices have degree 6). What I want to
> obtain is the structure of the matrix (or list) representation of its
> edges. Of course, this depends on the enumeration of vertices. Thus,
> the question is what re-ordering gives the simplest general form of
> such a matrix (or list) and what is exactly this form?
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