<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="">OK - so I think this sounds like we could use more discussion on “roles” in general so here is what I suggest:<div class=""><br class=""></div><div class="">Add a “private” property to item definition - it will have the following effect:</div><div class=""><br class=""></div><div class="">1. Will not write out values to attribute file</div><div class="">2. Hide the text w/r to the line edit widget.</div><div class=""><br class=""></div><div class="">Bob</div><div class=""><br class=""><div class="">
<div style="color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; 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="">Robert M. O'Bara, MEng.<br class="">Assistant Director of Scientific Computing<br class=""><br class="">Kitware Inc.<br class="">28 Corporate Drive<br class="">Suite 101<br class="">Clifton Park, NY 12065<br class=""><br class="">Phone: (518) 881- 4931</div><div class=""><br class=""></div></div><br class="Apple-interchange-newline"><br class="Apple-interchange-newline">
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<br class=""><div><blockquote type="cite" class=""><div class="">On Feb 1, 2016, at 11:59 AMEST, David Thompson <<a href="mailto:david.thompson@kitware.com" class="">david.thompson@kitware.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><blockquote type="cite" class="">But in that case the roles will be different for each data item - assuming that the roles are enumerations and not just strings. I’m wondering if your use case would be better served by creating a new item - “geometric coordinate" that could have additional meta data (is it spatial or parametric, etc..).<br class=""></blockquote><br class="">I am fine with strings instead of enums as long as the strings are documented. :-)<br class=""><br class="">It does seem like we need to be careful to keep the UI out of the data. Passwords really are not UI-specific; the UI and I/O layers might build behavior for dealing with items in that role but most/all of that logic should not be part of the attribute itself. If none of the logic needs to go with the attribute, then I vote for avoiding a new class.<br class=""><br class=""><span class="Apple-tab-span" style="white-space:pre"> </span>David</div></blockquote></div><br class=""></div></body></html>