 <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
<div class="fragment"><pre class="comment"> function to select and output index of nodes along a defined transect
 By clicking on points on the screen
   Choose between nodes or vertices (U,V or tracers)
 [transect]  = transect_nodes_screen(Mobj,VarType)

 DESCRIPTION:
    Select using ginput the set of nodes comprising a transect. It will
    interpolate between consecutive points to the resolution of the mesh

 INPUT
    Mobj = M