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- function E = spm_mesh_edges(M)
- % Return edges of a surface mesh
- % FORMAT E = spm_mesh_edges(M)
- % M - a [nx3] faces array or a patch handle/structure
- %
- % E - a [mx2] edges array
- %__________________________________________________________________________
- % Copyright (C) 2010 Wellcome Trust Centre for Neuroimaging
- % Guillaume Flandin
- % $Id: spm_mesh_edges.m 4018 2010-07-27 18:22:42Z guillaume $
- %-Parse input arguments
- %--------------------------------------------------------------------------
- if ishandle(M)
- M = get(M,'Faces');
- elseif ~isnumeric(M)
- M = M.faces;
- end
- %-Compute edges
- %--------------------------------------------------------------------------
- M = sort(M,2);
- E = unique([M(:,[1 2]);M(:,[2 3]);M(:,[1 3])],'rows');
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