This module take a single curve (Dlist) as input and computes its evolution
by Euclidean Scale Space (see \verb+fksmooth+ module) at $N=niter$ scale steps
$S,2S,...,NS$ ($S=scale$). The \verb+-n+, \verb+-s+, \verb+-t+ and \verb+-P+ 
options parameters are given to the \verb+fksmooth+ module. 
\index{mean curvature motion}
\index{euclidean scale space|see{mean curvature motion}}
