<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div><blockquote type="cite" class=""><br class=""><div class=""><meta http-equiv="Content-Type" content="text/html charset=utf-8" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Dear cctbx developers,<div class=""><br class=""></div><div class="">I’m Xuanxuan, and I’m using cctbx to develop a crystallography-related algorithm. Recently, I found there is something wrong when I use miller package to generate miller indices for given space group and unit cell parameters. Maybe it’s my mistake, or it’s a bug.</div><div class=""><br class=""></div><div class="">Here are some details. I just use the following code to generate a list of miller indices for a Fd-3m crystal.</div><div class=""><br class=""></div><div class=""><div class="">ms = miller.build_set(</div><div class=""> crystal_symmetry=crystal.symmetry(</div><div class=""> space_group_symbol='Fd-3m',</div><div class=""> unit_cell=(5.4307,5.4307,5.4307,90.00,90.0,90.00)),</div><div class=""> anomalous_flag=False,</div><div class=""> d_min=0.4)</div></div><div class=""><br class=""></div><div class="">And I found some reflections are missing, like 220, 311, which should exist according to the reflection conditions listed in this page <a href="http://img.chem.ucl.ac.uk/sgp/large/227az2.htm" class="">http://img.chem.ucl.ac.uk/sgp/large/227az2.htm</a>. </div><div class=""><br class=""></div><div class="">Looking forward to your response.</div><div class=""><br class=""></div><div class="">Thanks,</div><div class="">Xuanxuan</div></div></div></blockquote></div><br class=""></body></html>