https://kfdani-001-site10.gtempurl.com/index.php?action=history&feed=atom&title=OpenSite%2FConcepts%2FExpressions 2026-10-30T02:06:53Z Revision history for this page on the wiki MediaWiki 1.46.2 https://kfdani-001-site10.gtempurl.com/index.php?title=OpenSite/Concepts/Expressions&diff=924&oldid=prev 2026-10-29T21:16:26Z

<p>Connect OpenSite chapter overviews into the documentation reading flow</p> <table style="background-color: #fff; color: #202122;" data-mw-interface=""> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 14:16, 29 October 2026</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l30">Line 30:</td> <td colspan="2" class="diff-lineno">Line 30:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[OpenSite/Guides/Dimensionless material expressions]]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[OpenSite/Guides/Dimensionless material expressions]]</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>&lt;div class="os-page-nav"&gt;{{Docnav|OpenSite/<del style="font-weight: bold; text-decoration: none;">Getting started</del>|OpenSite/<del style="font-weight: bold; text-decoration: none;">Guides</del>|OpenSite/Guides|All guides}}&lt;/div&gt;</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>&lt;div class="os-page-nav"&gt;{{Docnav|OpenSite/<ins style="font-weight: bold; text-decoration: none;">Concepts/Properties and units</ins>|OpenSite/<ins style="font-weight: bold; text-decoration: none;">Materials</ins>|OpenSite/Guides|All guides}}&lt;/div&gt;</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:OpenSite documentation]]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:OpenSite documentation]]</div></td></tr> </table>

BathAfrica https://kfdani-001-site10.gtempurl.com/index.php?title=OpenSite/Concepts/Expressions&diff=877&oldid=prev 2026-10-29T21:01:48Z

<p>Publish professional OpenSite help structure and learning paths</p> <p><b>New page</b></p><div>__NOTOC__<br /> {{OpenSite scope}}<br /> Choose the expression language explicitly and track whether its result is current.<br /> <br /> == Choose a language ==<br /> {| class=&quot;wikitable os-table&quot;<br /> ! || Native formula || Python expression<br /> |-<br /> | Language || &lt;code&gt;formula&lt;/code&gt; || &lt;code&gt;python&lt;/code&gt;<br /> |-<br /> | Execution || Restricted document evaluator || Shared embedded interpreter<br /> |-<br /> | Example || &lt;code&gt;object(id).width * 2&lt;/code&gt; || &lt;code&gt;document.get_object(&quot;Beam&quot;).width * math.cos(math.radians(30))&lt;/code&gt;<br /> |-<br /> | Consent || No Python consent required || Enable first; recalculate separately<br /> |-<br /> | Opening a file || Uses model formula semantics || Retains source without silent execution<br /> |}<br /> <br /> == Keep dimensions compatible ==<br /> A length expression must produce a length, not a pressure. Poisson ratio is dimensionless and may use a compatible scalar result. The leading = in the property UI is a formula marker; it is not a Python assignment statement.<br /> <br /> == Understand the execution lane ==<br /> [[File:OpenSite_Python_Lane.svg|850px|center]]<br /> Console, editor/debugger and Python property evaluation share one interpreter and lane. Do not queue a competing calculation while it is busy or paused.<br /> <br /> == Follow a lesson ==<br /> * [[OpenSite/Guides/Native property formulas]]<br /> * [[OpenSite/Guides/Python property expressions]]<br /> * [[OpenSite/Guides/Dimensionless material expressions]]<br /> <br /> &lt;div class=&quot;os-page-nav&quot;&gt;{{Docnav|OpenSite/Getting started|OpenSite/Guides|OpenSite/Guides|All guides}}&lt;/div&gt;<br /> [[Category:OpenSite documentation]]</div>

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