<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hi Stephen,<div>I don't know of any phenix tools that will average two maps, though you are right that everything is there to do it quite easily.</div><div>-Tom</div><div><br><div><div>On Mar 10, 2011, at 10:15 AM, Stephen Graham wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>Hi there,<br><br>I'd like to average 2Fo-Fc maps from 2 (approximately) isomorphous<br>data sets (one with ligand, one without) to see whether I get better<br>density for some of the noisier bits of the structure. I don't want<br>to do any kind of solvent flattening, histogram matching, cyclical<br>averaging, etc; I just want to sum the equivalent pixels and divide by<br>2.<br><br>Is it possible to do this easily using any of the phenix tools? It<br>seems like all the required plumbing is there with get_cc_mtz_mtz or<br>superpose_maps, but I can't find a phenix utility for averaging two<br>superposed maps.<br><br>Thanks,<br><br>Stephen<br><br>-- <br>Dr Stephen Graham<br>1851 Research Fellow<br>Cambridge Institute for Medical Research<br>Wellcome Trust/MRC Building<br>Addenbrooke's Hospital, Hills Road<br>Cambridge, CB2 0XY, UK<br>Phone: +44 1223 762 638<br>_______________________________________________<br>phenixbb mailing list<br><a href="mailto:phenixbb@phenix-online.org">phenixbb@phenix-online.org</a><br>http://phenix-online.org/mailman/listinfo/phenixbb<br></div></blockquote></div><br><div>
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><div><div><div><div><div><br>Thomas C. Terwilliger<br>Mail Stop M888<br>Los Alamos National Laboratory<br>Los Alamos, NM 87545<br><br>Tel: 505-667-0072 email: <a href="mailto:terwilliger@LANL.gov">terwilliger@LANL.gov</a><br>Fax: 505-665-3024 SOLVE web site: <a href="http://solve.lanl.gov">http://solve.lanl.gov</a><br>PHENIX web site: http:www.phenix-online.org<br>ISFI Integrated Center for Structure and Function Innovation web site: <a href="http://techcenter.mbi.ucla.edu">http://techcenter.mbi.ucla.edu</a><br>TB Structural Genomics Consortium web site: <a href="http://www.doe-mbi.ucla.edu/TB">http://www.doe-mbi.ucla.edu/TB</a></div><div>CBSS Center for Bio-Security Science web site: <a href="http://www.lanl.gov/cbss">http://www.lanl.gov/cbss</a><br><br></div></div></div></div><br></div></span><br class="Apple-interchange-newline">
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