ADDPAT : Create powder pattern bdf

label data for the lrplab: record
backgr not used
phases phase names
wavlen instrumental parameters

ADDPAT Option Code   Default  
  input file extension inp ext diffractometer file pow
  output file extension out ext suitable for POWGEN or RIETVD pat
  input file type typ     phi
  Philips APD ASCII files phi      
  Philips PC-APD files apd      
  Raw data files raw      
  WYRIET input files wyr      
  Universal X-ray data uxd      
  ? tan      

label 1 character data for the lrplab: record  

backgr 1 not used  

phases 1 name of first phase  
  2 name of second phase  
  3... up to 10 phases  

wavlen 1 Wavelength alpha1 1.540598
  2 Wavelength alpha2 0.0
  3 alpha2/alpha1 intensity ratio 0.0
  4 polarisation ratio .915
  5 radiation type (xray ,electron, neutron or synchr) xray
  6 fixed divergence slit (0/1=fix/var) fixed
  7 data lp corrected (0/1=no/yes) no