function [vertex,face] = read_off(filename)

% read_off - read data from OFF file.
%
%   [vertex,face] = read_off(filename);
%
%   'vertex' is a 'nb.vert x 3' array specifying the position of the vertices.
%   'face' is a 'nb.face x 3' array specifying the connectivity of the mesh.
%
%   Copyright (c) 2003 Gabriel Peyr