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<blockquote style="border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in">
<p class="MsoNormal">Hello,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I am trying to include preferred orientation refinement into the example script below (<span style="color:red">in red font</span>), but can’t find the right command on the website (<a href="https://gsas-ii.readthedocs.io/en/latest/">https://gsas-ii.readthedocs.io/en/latest/</a>).
I would like to achieve the same result as selecting the Spherical harmonics Preferred orientation model with, e.g., a harmonic order of 2 in the Data table in GSASII GUI. to Please help.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:10.9pt"> <span style="color:#0070C0"> from __future__ import division, print_function<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:10.9pt"><span style="color:#0070C0"> import os,sys<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:10.9pt"><span style="color:#0070C0"> sys.path.insert(0,'/Users/toby/software/G2/GSASII') # needed to "find" GSAS-II modules<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:10.9pt"><span style="color:#0070C0"> import GSASIIscriptable as G2sc<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:10.9pt"><span style="color:#0070C0"> datadir = "/Users/Scratch/"<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:10.9pt"><span style="color:#0070C0"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:10.9pt"><span style="color:#0070C0"> gpx = G2sc.G2Project(os.path.join(datadir,'test2.gpx'))<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:10.9pt"><span style="color:#0070C0"> gpx.histogram(0).add_back_peak(4.5,30000,5000,0)<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:10.9pt"><span style="color:#0070C0"> pardict = {'set': {'Sample Parameters': ['Absorption', 'Contrast', 'DisplaceX'],<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:10.9pt"><span style="color:#0070C0"> 'Background': {'type': 'chebyschev-1', 'refine': True,<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:10.9pt"><span style="color:#0070C0"> 'peaks':[[0,True]]},<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:10.9pt"><span style="color:#0070C0">
</span><span style="color:red">'Pref.Ori. ':{ 'type': 'SH', ???????}</span><span style="color:#0070C0"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:58.45pt;text-indent:13.55pt"><span style="color:#0070C0">}}<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#0070C0"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#0070C0"> gpx.set_refinement(pardict)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#0070C0"><o:p> </o:p></span></p>
<p class="MsoNormal">I appreciate your help.<o:p></o:p></p>
<p class="MsoNormal">Thanks,<o:p></o:p></p>
<p class="MsoNormal">Ray<o:p></o:p></p>
<p class="MsoNormal"><span style="color:#0070C0"><o:p> </o:p></span></p>
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