">%</span>
<span class="comment">%</span>
<span class="comment">% ------</span>
<span class="comment">% Author: David Legland</span>
<span class="comment">% e-mail: david.legland@grignon.inra.fr</span>
<span class="comment">% Created: 2011-06-29,    using Matlab 7.9.0.529 (R2009b)</span>
<span class="comment">% Copyright 2011 INRA - Cepia Software Platform.</span>
</pre><h2>initialisations<a name="2"></a></h2><pre class="codeinput"><span class="comment">% generate cubic images</span>
lx = 1:100;
ly = 1:100;