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<td >Qt 5.12</td><td ><a href="qt3d-index.html">Qt 3D</a></td><td ><a href="qt3d-qml.html">QML Types</a></td><td >LayerFilter QML Type</td></tr></table><table class="buildversion"><tr>
<td id="buildversion" width="100%" align="right"><a href="qt3d-index.html">Qt 5.12.2 Reference Documentation</a></td>
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<h3><a name="toc">Contents</a></h3>
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<li class="level1"><a href="#properties">Properties</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
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<h1 class="title">LayerFilter QML Type</h1>
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<p>Controls layers drawn in a frame graph branch. <a href="#details">More...</a></p>
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<tr><td class="memItemLeft rightAlign topAlign"> Import Statement:</td><td class="memItemRight bottomAlign"> import Qt3D.Render 2.12</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Since:</td><td class="memItemRight bottomAlign"> Qt 5.5</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Instantiates:</td><td class="memItemRight bottomAlign"> <a href="qml-qt3d-render-layerfilter.html"><a href="qt3drender-qlayerfilter.html">QLayerFilter</a></td></tr><tr><td class="memItemLeft rightAlign topAlign"> Inherits:</td><td class="memItemRight bottomAlign"> <p><a href="qml-qt3d-render-framegraphnode.html">FrameGraphNode</a></p>
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<li><a href="qml-qt3d-render-layerfilter-members.html">List of all members, including inherited members</a></li>
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<h2 id="properties">Properties</h2>
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<li class="fn"><b><b><a href="qml-qt3d-render-layerfilter.html#filterMode-prop">filterMode</a></b></b> : enumeration</li>
<li class="fn"><b><b><a href="qml-qt3d-render-layerfilter.html#layers-prop">layers</a></b></b> : list<Layer></li>
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<h2 id="details">Detailed Description</h2>
<p>A <a href="qml-qt3d-render-layerfilter.html">LayerFilter</a> can be used to instruct the renderer as to which layer(s) to draw in that branch of the frame graph. The <a href="qml-qt3d-render-layerfilter.html">LayerFilter</a> selects which entities to draw based on the <a href="qml-qt3d-render-layer.html">Layer</a> instances added to the <a href="qml-qt3d-render-layerfilter.html">LayerFilter</a> and as components to the <a href="qml-qt3d-core-entity.html">Entity</a>.</p>
<p>The <a href="qml-qt3d-render-layerfilter.html">LayerFilter</a> can be configured to select or discard entities with a specific <a href="qml-qt3d-render-layer.html">Layer</a> depending on the <a href="qml-qt3d-render-layerfilter.html#filterMode-prop">filterMode</a> property. By default, entities referencing one of the <a href="qml-qt3d-render-layer.html">Layer</a> objects that are also being referenced by the <a href="qml-qt3d-render-layerfilter.html">LayerFilter</a> are selected (AcceptAnyMatchingLayers).</p>
<p>Within the FrameGraph tree, multiple <a href="qml-qt3d-render-layerfilter.html">LayerFilter</a> nodes can be nested within a branch going from root to a leaf. In that case the filtering will first operate on all entities of the scene using the filtering method specified by the first declared <a href="qml-qt3d-render-layerfilter.html">LayerFilter</a>. Then the filtered subset of entities will be filtered again based on the filtering method set on the second <a href="qml-qt3d-render-layerfilter.html">LayerFilter</a> declared. This is then repeated until all <a href="qml-qt3d-render-layerfilter.html">LayerFilter</a> nodes of the branch have been consumed.</p>
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<h2>Property Documentation</h2>
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<tr valign="top" class="odd" id="filterMode-prop">
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<a name="filterMode-prop"></a><span class="name">filterMode</span> : <span class="type">enumeration</span></p></td></tr>
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</div><div class="qmldoc"><p>Holds the filter mode specifying the entities to select for drawing.</p>
<p>The default value is <code>LayerFilter.AcceptMatchingLayers</code>.</p>
<div class="table"><table class="valuelist"><tr valign="top" class="odd"><th class="tblConst">Constant</th><th class="tbldscr">Description</th></tr>
<tr><td class="topAlign"><code>LayerFilter.AcceptAnyMatchingLayers</code></td><td class="topAlign">Accept entities that reference one or more <a href="qml-qt3d-render-layer.html">Layer</a> objects added to this <a href="qml-qt3d-render-layerfilter.html">LayerFilter</a>. This is the default</td></tr>
<tr><td class="topAlign"><code>LayerFilter.AcceptAllMatchingLayers</code></td><td class="topAlign">Accept entities that reference all the <a href="qml-qt3d-render-layer.html">Layer</a> objects added to this <a href="qml-qt3d-render-layerfilter.html">LayerFilter</a></td></tr>
<tr><td class="topAlign"><code>LayerFilter.DiscardAnyMatchingLayers</code></td><td class="topAlign">Discard entities that reference one or more <a href="qml-qt3d-render-layer.html">Layer</a> objects added to this <a href="qml-qt3d-render-layerfilter.html">LayerFilter</a></td></tr>
<tr><td class="topAlign"><code>LayerFilter.DiscardAllMatchingLayers</code></td><td class="topAlign">Discard entities that reference all <a href="qml-qt3d-render-layer.html">Layer</a> objects added to this <a href="qml-qt3d-render-layerfilter.html">LayerFilter</a></td></tr>
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<td class="tblQmlPropNode"><p>
<a name="layers-prop"></a><span class="qmlreadonly">[read-only] </span><span class="name">layers</span> : <span class="type">list</span><<span class="type"><a href="qml-qt3d-render-layer.html">Layer</a></span>></p></td></tr>
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</div><div class="qmldoc"><p>Holds a list of layers specifying the layers to select for drawing.</p>
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