<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="">Hi Mungo,<div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>Yeah, the command language lacks any way to completely delete an attribute. I <i class="">could</i> enhance ~setattr to also allow deletion, but before I do that work, can you describe why you need to completely delete the attribute rather than set its value to None? Thanks.</div><div class=""><br class=""></div><div class="">—Eric</div><div class=""><br class=""><div class="">
<div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>Eric Pettersen</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>UCSF Computer Graphics Lab</div><div class=""><br class=""></div></div>
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<br class=""><div><blockquote type="cite" class=""><div class="">On Mar 7, 2017, at 8:32 AM, Mungo Carstairs (Staff) <<a href="mailto:g.m.carstairs@dundee.ac.uk" class="">g.m.carstairs@dundee.ac.uk</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div id="divtagdefaultwrapper" dir="ltr" style="font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; font-size: 12pt; font-family: Calibri, Arial, Helvetica, sans-serif;" class=""><div style="margin-top: 0px; margin-bottom: 0px;" class="">Hi,</div><div style="margin-top: 0px; margin-bottom: 0px;" class=""><br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class="">I would like to be able to set and remove residue attributes (using Chimera commands over the REST service).</div><div style="margin-top: 0px; margin-bottom: 0px;" class="">Setting is fine, but removing seems to be limited to changing the value to either an empty string or None.</div><div style="margin-top: 0px; margin-bottom: 0px;" class=""><a href="https://www.cgl.ucsf.edu/chimera/current/docs/UsersGuide/midas/setattr.html" class="OWAAutoLink">https://www.cgl.ucsf.edu/chimera/current/docs/UsersGuide/midas/setattr.html</a><br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class=""><br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class="">Is there any way to actually remove attributes after they have been set on residues?</div><div style="margin-top: 0px; margin-bottom: 0px;" class=""><br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class="">Thanks,</div><div style="margin-top: 0px; margin-bottom: 0px;" class=""><br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class="">Mungo</div><div style="margin-top: 0px; margin-bottom: 0px;" class=""><br class=""></div><div id="Signature" class=""><div id="divtagdefaultwrapper" dir="ltr" style="font-size: 12pt; font-family: Calibri, Arial, Helvetica, sans-serif;" class=""><span id="ms-rterangepaste-start" class=""></span><a href="" id="LPNoLP" style="font-family: Times;" class=""><img width="1" height="2" alt="Email signature" src="https://www.dundee.ac.uk/media/dundeewebsite/emailsignature/tiny.png" class=""></a><table border="0" cellpadding="0" cellspacing="0" style="font-family: Times; 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color: rgb(136, 136, 136); font-family: Calibri, sans-serif; line-height: 12px;" class=""><a href="http://uod.ac.uk/sig-strapline" id="LPNoLP" style="text-decoration: none; color: rgb(67, 101, 226);" class=""><strong class="">We're Scottish University of the Year again!</strong></a><br class="">The Times / Sunday Times Good University Guide 2016 and 2017</span></td></tr></tbody></table><span id="ms-rterangepaste-end" class=""></span></div></div></div><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-family: Helvetica; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; 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