 
 
   The CSPICE routines that convert CSPICE planes to data that 
   define a plane are: 
 
      <b>pl2nvc_c</b> ( Plane to normal vector and constant ) 
      <a href="pl2nvp_c.html">pl2nvp_c</a> ( Plane to normal vector and point    ) 
      <a href="pl2psv_c.html">pl2psv_c</a> ( Plane to point and spanning vectors ) 
 </PRE>
<h4><a name="Examples">Examples</a></h4>
<PRE>
 
   1)  Given a point in a plane and a normal vector, find the distance 
       of the plane from the origin.  We make a `plane' fr