#NEWLINE# @ central_spectral_coord . setter #NEWLINE# def central_spectral_coord( self , value ) : #NEWLINE# #INDENT# if ( value is None ) : #NEWLINE# #INDENT# self . _central_spectral_coord = None #NEWLINE# #UNINDENT# else : #NEWLINE# #INDENT# self . _central_spectral_coord = validate_scalar ( 'spectral_coord' , self , domain = 'strictly-positive' , physical_type = ( 'frequency' , 'length' , 'energy' ) )