h2><a name="_description"></a>DESCRIPTION <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
<div class="fragment"><pre class="comment"> Creates a binary image of an ellipse.

 Creates a binary image of size (mRows x nCols), with all pixels set to 0
 outside the ellipse and 1 inside.  The ellipse is given by 5 parameters,
 a semimajor axis of ra, a semminor axis of radius rb, angle phi (in
 radians), and center (cRow,cCol). An alternative method of specifying the
 ellipse parameters is in ter