<p dir="ltr">If you mean fix atom(s), yes. General linear constraints, no. There is some code to do this with PORT, never used it (& I am on travel).</p>
<p dir="ltr">---<br>
Professor Laurence Marks<br>
Department of Materials Science and Engineering<br>
Northwestern University<br>
<a href="http://www.numis.northwestern.edu">http://www.numis.northwestern.edu</a><br>
Corrosion in 4D <a href="http://MURI4D.numis.northwestern.edu">http://MURI4D.numis.northwestern.edu</a><br>
Co-Editor, Acta Cryst A<br>
"Research is to see what everybody else has seen, and to think what nobody else has thought"<br>
Albert Szent-Gyorgi</p>
<div class="gmail_quote">On Oct 14, 2015 19:21, "Luis Ogando" <<a href="mailto:lcodacal@gmail.com">lcodacal@gmail.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<div>Dear Prof. Marks and Wien2k community,<br>
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Is it possible to use linear constraints for the atomic positions with MSR1a ?<br>
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All the best,<br>
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Luis<br>
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