NAME

       Xray::Scattering::None - Fallback methods for Xray::Scattering

SYNOPSIS

         use Xray::Scattering;
         Xray::Scattering->load('None');
         $fnot = Xray::Scattering->get_f($symb, $d);

DESCRIPTION

       This module provides a fallback subclass for the Xray::Scattering methods.  It provides
       all the methods of the real subclasses, but returns fallback values.

METHODS

       "get_f"
           Retruns 0.

       "get_coefficients"
           returns an array of 11 zeros.

       "has"
           Always returns the symbol itself.

AUTHOR

         Bruce Ravel, bravel AT bnl DOT gov
         http://cars9.uchicago.edu/~ravel/software/exafs/