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<pid="w3c-state"><ahref="https://www.w3.org/standards/types#CG-DRAFT">Draft Community Group Report</a>, <timeclass="dt-updated" datetime="2023-11-07">7 November 2023</time></p>
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<pid="w3c-state"><ahref="https://www.w3.org/standards/types#CG-DRAFT">Draft Community Group Report</a>, <timeclass="dt-updated" datetime="2023-11-11">11 November 2023</time></p>
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<detailsopen>
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<summary>More details about this document</summary>
<p>The <codeclass="idl"><adata-link-type="idl" href="#dom-xrplane-polygon" id="ref-for-dom-xrplane-polygon">polygon</a></code> is an array of vertices that describe the shape of the plane. They are returned in the form of a loop of points at the edges of the polygon, expressed in the coordinate system defined by <codeclass="idl"><adata-link-type="idl" href="#dom-xrplane-planespace" id="ref-for-dom-xrplane-planespace③">planeSpace</a></code>. The Y coordinate of each vertex MUST be <code>0.0</code>.</p>
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<divclass="unstable">
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<p>The <codeclass="idl"><adata-link-type="idl" href="#dom-xrplane-semanticlabel" id="ref-for-dom-xrplane-semanticlabel">semanticLabel</a></code> attribute is a string that describes the <adata-link-type="dfn" href="#semantic-label" id="ref-for-semantic-label">semantic label</a> of the polygon. This array is empty if there is no semantic information. The <codeclass="idl"><adata-link-type="idl" href="https://immersive-web.github.io/webxr/#xrsystem" id="ref-for-xrsystem">XRSystem</a></code> SHOULD populate this with the <adata-link-type="dfn" href="#semantic-label" id="ref-for-semantic-label①">semantic label</a> it has knowledge of.</p>
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<p>A <dfnclass="dfn-paneled" data-dfn-type="dfn" data-noexportid="semantic-label">semantic label</dfn> is an ASCII lowercase DOMString that describes the name in the real world of the <codeclass="idl"><adata-link-type="idl" href="#xrplane" id="ref-for-xrplane③">XRPlane</a></code> as known by the <codeclass="idl"><adata-link-type="idl" href="https://immersive-web.github.io/webxr/#xrsystem" id="ref-for-xrsystem①">XRSystem</a></code>. The following table describes the known <adata-link-type="dfn" href="#semantic-label" id="ref-for-semantic-label②">semantic labels</a>:
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<p>A <dfnclass="dfn-paneled" data-dfn-type="dfn" data-noexportid="semantic-label">semantic label</dfn> is an ASCII lowercase DOMString that describes the name in the real world of the <codeclass="idl"><adata-link-type="idl" href="#xrplane" id="ref-for-xrplane③">XRPlane</a></code> as known by the <codeclass="idl"><adata-link-type="idl" href="https://immersive-web.github.io/webxr/#xrsystem" id="ref-for-xrsystem①">XRSystem</a></code>.
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The list of semantic labels is defined in the <ahref="https://github.com/immersive-web/semantic-labels">semantic label registry</a>.</p>
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</div>
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<p>The <codeclass="idl"><adata-link-type="idl" href="#dom-xrplane-orientation" id="ref-for-dom-xrplane-orientation">orientation</a></code> describes orientation of the plane, as classified by the underlying XR system. In case the orientation cannot be classified into <codeclass="idl"><adata-link-type="idl" href="#dom-xrplaneorientation-horizontal" id="ref-for-dom-xrplaneorientation-horizontal①">"horizontal"</a></code> or <codeclass="idl"><adata-link-type="idl" href="#dom-xrplaneorientation-vertical" id="ref-for-dom-xrplaneorientation-vertical①">"vertical"</a></code> by the underlying XR system, this attribute will be set to <code>null</code>.</p>
<p>Set <var>plane</var>’s <codeclass="idl"><adata-link-type="idl" href="#dom-xrplane-polygon" id="ref-for-dom-xrplane-polygon①">polygon</a></code> to the new array of vertices representing <var>native plane</var>’s polygon, performing all necessary conversions to account for differences in native plane polygon representation.</p>
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<lidata-md>
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<divclass="unstable">Set <var>plane</var>’s <codeclass="idl"><adata-link-type="idl" href="#dom-xrplane-semanticlabel" id="ref-for-dom-xrplane-semanticlabel①">semanticLabel</a></code> to a new string with the <adata-link-type="dfn" href="#semantic-label" id="ref-for-semantic-label③">semantic labels</a>.</div>
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<divclass="unstable">Set <var>plane</var>’s <codeclass="idl"><adata-link-type="idl" href="#dom-xrplane-semanticlabel" id="ref-for-dom-xrplane-semanticlabel①">semanticLabel</a></code> to a new string with the <adata-link-type="dfn" href="#semantic-label" id="ref-for-semantic-label②">semantic labels</a>.</div>
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<lidata-md>
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<p>If desired, reduce the level of detail of the <var>plane</var>’s <codeclass="idl"><adata-link-type="idl" href="#dom-xrplane-polygon" id="ref-for-dom-xrplane-polygon②">polygon</a></code> as described in <ahref="#privacy-security">§ 6 Privacy & Security Considerations</a>.</p>
<pclass="copyright" data-fill-with="copyright"><ahref="http://creativecommons.org/publicdomain/zero/1.0/" rel="license"><imgalt="CC0" height="15" src="https://licensebuttons.net/p/zero/1.0/80x15.png" width="80"></a> To the extent possible under law, the editors have waived all copyright
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and related or neighboring rights to this work.
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In addition, as of 7 November 2023,
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In addition, as of 11 November 2023,
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the editors have made this specification available under the <ahref="http://www.openwebfoundation.org/legal/the-owf-1-0-agreements/owfa-1-0" rel="license">Open Web Foundation Agreement Version 1.0</a>,
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which is available at http://www.openwebfoundation.org/legal/the-owf-1-0-agreements/owfa-1-0.
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Parts of this work may be from another specification document. If so, those parts are instead covered by the license of that specification document. </p>
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