Computes the array of barycenters (average) columns for the nodes in the unfixedLayer based on the columns of predecessors (direction < 0), successors (direction > 0), or both predecessors and successors (direction == 0) Elements without a defined barycenter will have an entry of -1.

'Declaration
 
Protected Overridable Function Barycenters( _
   ByVal unfixedLayer As Integer, _
   ByVal direction As Integer _
) As Single()

protected virtual float[] Barycenters( 
   int unfixedLayer,
   int direction
)