I am new to FEFF and I have a small problem.  I&#39;m trying to produce a XANES spectra of Cu (from the examples).  I cannot seem to obtain the pre-edge region in my result.  I have attached a screen shot.  Could you tell me how to calculate the area before E0, i.e. from -50 to 50 eV.<div>
<br></div><div>Thanks</div><div>Sincerely<br clear="all"><div><br></div>-- <br>M Menard, Ph.D.
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