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<td >Qt 5.12</td><td ><a href="qt3d-index.html">Qt 3D</a></td><td ><a href="qt3d-cpp.html">C++ Classes</a></td><td >QPickingSettings</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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<li class="level1"><a href="#public-types">Public Types</a></li>
<li class="level1"><a href="#properties">Properties</a></li>
<li class="level1"><a href="#public-functions">Public Functions</a></li>
<li class="level1"><a href="#public-slots">Public Slots</a></li>
<li class="level1"><a href="#signals">Signals</a></li>
<li class="level1"><a href="#static-public-members">Static Public Members</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
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<h1 class="title">QPickingSettings Class</h1>
<span class="small-subtitle">(<a href="qt3drender-qpickingsettings.html">Qt3DRender::QPickingSettings</a>)<br/></span>
<!-- $$$QPickingSettings-brief -->
<p>The <a href="qt3drender-qpickingsettings.html">QPickingSettings</a> class specifies how entity picking is handled. <a href="#details">More...</a></p>
<!-- @@@QPickingSettings -->
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> <span class="preprocessor">#include <QPickingSettings></span>
</td></tr><tr><td class="memItemLeft rightAlign topAlign"> qmake:</td><td class="memItemRight bottomAlign"> QT += 3drender</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Since:</td><td class="memItemRight bottomAlign"> Qt 5.7</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Instantiated By:</td><td class="memItemRight bottomAlign"> <a href="qml-qt3d-render-pickingsettings.html">PickingSettings</a></td></tr><tr><td class="memItemLeft rightAlign topAlign"> Inherits:</td><td class="memItemRight bottomAlign"> <a href="qt3dcore-qnode.html">Qt3DCore::QNode</a></td></tr></table></div><ul>
<li><a href="qt3drender-qpickingsettings-members.html">List of all members, including inherited members</a></li>
</ul>
<a name="public-types"></a>
<h2 id="public-types">Public Types</h2>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> enum </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qpickingsettings.html#FaceOrientationPickingMode-enum">FaceOrientationPickingMode</a></b> { FrontFace, BackFace, FrontAndBackFace }</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> enum </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qpickingsettings.html#PickMethod-enum">PickMethod</a></b> { BoundingVolumePicking, TrianglePicking, LinePicking, PointPicking, PrimitivePicking }</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> enum </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qpickingsettings.html#PickResultMode-enum">PickResultMode</a></b> { NearestPick, AllPicks }</td></tr>
</table></div>
<a name="properties"></a>
<h2 id="properties">Properties</h2>
<ul>
<li class="fn"><b><a href="qt3drender-qpickingsettings.html#faceOrientationPickingMode-prop">faceOrientationPickingMode</a></b> : FaceOrientationPickingMode</li>
<li class="fn"><b><a href="qt3drender-qpickingsettings.html#pickMethod-prop">pickMethod</a></b> : PickMethod</li>
<li class="fn"><b><a href="qt3drender-qpickingsettings.html#pickResultMode-prop">pickResultMode</a></b> : PickResultMode</li>
<li class="fn"><b><a href="qt3drender-qpickingsettings.html#worldSpaceTolerance-prop">worldSpaceTolerance</a></b> : float</li>
</ul>
<ul>
<li class="fn">3 properties inherited from <a href="qt3dcore-qnode.html#properties">Qt3DCore::QNode</a></li>
</ul>
<a name="public-functions"></a>
<h2 id="public-functions">Public Functions</h2>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qpickingsettings.html#QPickingSettings">QPickingSettings</a></b>(Qt3DCore::QNode *<i>parent</i> = nullptr)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> Qt3DRender::QPickingSettings::FaceOrientationPickingMode </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qpickingsettings.html#faceOrientationPickingMode-prop">faceOrientationPickingMode</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> Qt3DRender::QPickingSettings::PickMethod </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qpickingsettings.html#pickMethod-prop">pickMethod</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> Qt3DRender::QPickingSettings::PickResultMode </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qpickingsettings.html#pickResultMode-prop">pickResultMode</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> float </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qpickingsettings.html#worldSpaceTolerance">worldSpaceTolerance</a></b>() const</td></tr>
</table></div>
<ul>
<li class="fn">13 public functions inherited from <a href="qt3dcore-qnode.html#public-functions">Qt3DCore::QNode</a></li>
</ul>
<a name="public-slots"></a>
<h2 id="public-slots">Public Slots</h2>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qpickingsettings.html#faceOrientationPickingMode-prop">setFaceOrientationPickingMode</a></b>(Qt3DRender::QPickingSettings::FaceOrientationPickingMode <i>faceOrientationPickingMode</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qpickingsettings.html#pickMethod-prop">setPickMethod</a></b>(Qt3DRender::QPickingSettings::PickMethod <i>pickMethod</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qpickingsettings.html#pickResultMode-prop">setPickResultMode</a></b>(Qt3DRender::QPickingSettings::PickResultMode <i>pickResultMode</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qpickingsettings.html#setWorldSpaceTolerance">setWorldSpaceTolerance</a></b>(float <i>worldSpaceTolerance</i>)</td></tr>
</table></div>
<ul>
<li class="fn">3 public slots inherited from <a href="qt3dcore-qnode.html#public-slots">Qt3DCore::QNode</a></li>
</ul>
<a name="signals"></a>
<h2 id="signals">Signals</h2>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qpickingsettings.html#faceOrientationPickingMode-prop">faceOrientationPickingModeChanged</a></b>(QPickingSettings::FaceOrientationPickingMode <i>faceOrientationPickingMode</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qpickingsettings.html#pickMethod-prop">pickMethodChanged</a></b>(QPickingSettings::PickMethod <i>pickMethod</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qpickingsettings.html#pickResultMode-prop">pickResultModeChanged</a></b>(QPickingSettings::PickResultMode <i>pickResult</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qpickingsettings.html#worldSpaceTolerance-prop">worldSpaceToleranceChanged</a></b>(float <i>worldSpaceTolerance</i>)</td></tr>
</table></div>
<ul>
<li class="fn">4 signals inherited from <a href="qt3dcore-qnode.html#signals">Qt3DCore::QNode</a></li>
</ul>
<a name="static-public-members"></a>
<h2 id="static-public-members">Static Public Members</h2>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> const QMetaObject </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qpickingsettings.html#staticMetaObject-var">staticMetaObject</a></b></td></tr>
</table></div>
<h3>Additional Inherited Members</h3>
<ul>
<li class="fn">2 protected functions inherited from <a href="qt3dcore-qnode.html#protected-functions">Qt3DCore::QNode</a></li>
</ul>
<a name="details"></a>
<!-- $$$QPickingSettings-description -->
<div class="descr">
<h2 id="details">Detailed Description</h2>
<p>The <a href="qt3drender-qpickingsettings.html">QPickingSettings</a> class specifies how entity picking is handled.</p>
<p>The picking settings determine how the entity picking is handled. For more details about entity picking, see <a href="qt3drender-qobjectpicker.html">QObjectPicker</a> and <a href="qt3drender-qraycaster.html">QRayCaster</a> component documentation.</p>
<p>When using <a href="qt3drender-qobjectpicker.html">QObjectPicker</a> components, picking is triggered by mouse events.</p>
<p>When using <a href="qt3drender-qraycaster.html">QRayCaster</a> or <a href="qt3drender-qscreenraycaster.html">QScreenRayCaster</a> components, picking can be explicitly triggered by the application.</p>
<p>In both cases, a ray will be cast through the scene to find geometry intersecting the ray.</p>
</div>
<p><b>See also </b><a href="qt3drender-qobjectpicker.html">QObjectPicker</a>, <a href="qt3drender-qpickevent.html">QPickEvent</a>, <a href="qt3drender-qpicktriangleevent.html">QPickTriangleEvent</a>, <a href="qt3drender-qraycaster.html">QRayCaster</a>, and <a href="qt3drender-qscreenraycaster.html">QScreenRayCaster</a>.</p>
<!-- @@@QPickingSettings -->
<div class="types">
<h2>Member Type Documentation</h2>
<!-- $$$FaceOrientationPickingMode$$$FrontFace$$$BackFace$$$FrontAndBackFace -->
<h3 class="fn" id="FaceOrientationPickingMode-enum"><a name="FaceOrientationPickingMode-enum"></a>enum QPickingSettings::<span class="name">FaceOrientationPickingMode</span></h3>
<p>Specifies how face orientation affects triangle picking</p>
<div class="table"><table class="valuelist"><tr valign="top" class="odd"><th class="tblConst">Constant</th><th class="tblval">Value</th><th class="tbldscr">Description</th></tr>
<tr><td class="topAlign"><code>Qt3DRender::QPickingSettings::FrontFace</code></td><td class="topAlign tblval"><code>0x01</code></td><td class="topAlign">Only front-facing triangles will be picked (default).</td></tr>
<tr><td class="topAlign"><code>Qt3DRender::QPickingSettings::BackFace</code></td><td class="topAlign tblval"><code>0x02</code></td><td class="topAlign">Only back-facing triangles will be picked.</td></tr>
<tr><td class="topAlign"><code>Qt3DRender::QPickingSettings::FrontAndBackFace</code></td><td class="topAlign tblval"><code>0x03</code></td><td class="topAlign">Both front- and back-facing triangles will be picked.</td></tr>
</table></div>
<!-- @@@FaceOrientationPickingMode -->
<!-- $$$PickMethod$$$BoundingVolumePicking$$$TrianglePicking$$$LinePicking$$$PointPicking$$$PrimitivePicking -->
<h3 class="fn" id="PickMethod-enum"><a name="PickMethod-enum"></a>enum QPickingSettings::<span class="name">PickMethod</span></h3>
<p>Specifies the picking method.</p>
<div class="table"><table class="valuelist"><tr valign="top" class="odd"><th class="tblConst">Constant</th><th class="tblval">Value</th><th class="tbldscr">Description</th></tr>
<tr><td class="topAlign"><code>Qt3DRender::QPickingSettings::BoundingVolumePicking</code></td><td class="topAlign tblval"><code>0x00</code></td><td class="topAlign">An entity is considered picked if the picking ray intersects the bounding volume of the entity (default).</td></tr>
<tr><td class="topAlign"><code>Qt3DRender::QPickingSettings::TrianglePicking</code></td><td class="topAlign tblval"><code>0x01</code></td><td class="topAlign">An entity is considered picked if the picking ray intersects with any triangle of the entity's mesh component.</td></tr>
<tr><td class="topAlign"><code>Qt3DRender::QPickingSettings::LinePicking</code></td><td class="topAlign tblval"><code>0x02</code></td><td class="topAlign">An entity is considered picked if the picking ray intersects with any edge of the entity's mesh component.</td></tr>
<tr><td class="topAlign"><code>Qt3DRender::QPickingSettings::PointPicking</code></td><td class="topAlign tblval"><code>0x04</code></td><td class="topAlign">An entity is considered picked if the picking ray intersects with any point of the entity's mesh component.</td></tr>
<tr><td class="topAlign"><code>Qt3DRender::QPickingSettings::PrimitivePicking</code></td><td class="topAlign tblval"><code>TrianglePicking | LinePicking | PointPicking</code></td><td class="topAlign">An entity is considered picked if the picking ray intersects with any point, edge or triangle of the entity's mesh component.</td></tr>
</table></div>
<!-- @@@PickMethod -->
<!-- $$$PickResultMode$$$NearestPick$$$AllPicks -->
<h3 class="fn" id="PickResultMode-enum"><a name="PickResultMode-enum"></a>enum QPickingSettings::<span class="name">PickResultMode</span></h3>
<p>Specifies what is included into the picking results.</p>
<div class="table"><table class="valuelist"><tr valign="top" class="odd"><th class="tblConst">Constant</th><th class="tblval">Value</th><th class="tbldscr">Description</th></tr>
<tr><td class="topAlign"><code>Qt3DRender::QPickingSettings::NearestPick</code></td><td class="topAlign tblval"><code>0</code></td><td class="topAlign">Only the nearest entity to picking ray origin intersected by the picking ray is picked (default).</td></tr>
<tr><td class="topAlign"><code>Qt3DRender::QPickingSettings::AllPicks</code></td><td class="topAlign tblval"><code>1</code></td><td class="topAlign">All entities that intersect the picking ray are picked.</td></tr>
</table></div>
<p><b>See also </b><a href="qt3drender-qpickevent.html">Qt3DRender::QPickEvent</a>.</p>
<!-- @@@PickResultMode -->
</div>
<div class="prop">
<h2>Property Documentation</h2>
<!-- $$$faceOrientationPickingMode-prop$$$faceOrientationPickingMode$$$setFaceOrientationPickingModeQt3DRender::QPickingSettings::FaceOrientationPickingMode$$$faceOrientationPickingModeChangedQPickingSettings::FaceOrientationPickingMode -->
<h3 class="fn" id="faceOrientationPickingMode-prop"><a name="faceOrientationPickingMode-prop"></a><span class="name">faceOrientationPickingMode</span> : <span class="type"><a href="qt3drender-qpickingsettings.html#FaceOrientationPickingMode-enum">FaceOrientationPickingMode</a></span></h3>
<p>Specifies how face orientation affects triangle picking</p>
<p><b>Access functions:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> Qt3DRender::QPickingSettings::FaceOrientationPickingMode </td><td class="memItemRight bottomAlign"><span class="name"><b>faceOrientationPickingMode</b></span>() const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setFaceOrientationPickingMode</b></span>(Qt3DRender::QPickingSettings::FaceOrientationPickingMode <i>faceOrientationPickingMode</i>)</td></tr>
</table></div>
<p><b>Notifier signal:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>faceOrientationPickingModeChanged</b></span>(QPickingSettings::FaceOrientationPickingMode <i>faceOrientationPickingMode</i>)</td></tr>
</table></div>
<!-- @@@faceOrientationPickingMode -->
<!-- $$$pickMethod-prop$$$pickMethod$$$setPickMethodQt3DRender::QPickingSettings::PickMethod$$$pickMethodChangedQPickingSettings::PickMethod -->
<h3 class="fn" id="pickMethod-prop"><a name="pickMethod-prop"></a><span class="name">pickMethod</span> : <span class="type"><a href="qt3drender-qpickingsettings.html#PickMethod-enum">PickMethod</a></span></h3>
<p>Holds the current pick method.</p>
<p>By default, for performance reasons, ray casting will use bounding volume picking. This may however lead to unexpected results if a small object is englobed in the bounding sphere of a large object behind it.</p>
<p>Triangle picking will produce exact results but is computationally more expensive.</p>
<p><b>Access functions:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> Qt3DRender::QPickingSettings::PickMethod </td><td class="memItemRight bottomAlign"><span class="name"><b>pickMethod</b></span>() const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setPickMethod</b></span>(Qt3DRender::QPickingSettings::PickMethod <i>pickMethod</i>)</td></tr>
</table></div>
<p><b>Notifier signal:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>pickMethodChanged</b></span>(QPickingSettings::PickMethod <i>pickMethod</i>)</td></tr>
</table></div>
<!-- @@@pickMethod -->
<!-- $$$pickResultMode-prop$$$pickResultMode$$$setPickResultModeQt3DRender::QPickingSettings::PickResultMode$$$pickResultModeChangedQPickingSettings::PickResultMode -->
<h3 class="fn" id="pickResultMode-prop"><a name="pickResultMode-prop"></a><span class="name">pickResultMode</span> : <span class="type"><a href="qt3drender-qpickingsettings.html#PickResultMode-enum">PickResultMode</a></span></h3>
<p>Holds the current pick results mode.</p>
<p>By default, pick results will only be produced for the entity closest to the camera.</p>
<p>When setting the pick method to <a href="qt3drender-qpickingsettings.html#PickResultMode-enum">AllPicks</a>, events will be triggered for all the entities with a <a href="qt3drender-qobjectpicker.html">QObjectPicker</a> along the ray.</p>
<p>If a <a href="qt3drender-qobjectpicker.html">QObjectPicker</a> is assigned to an entity with multiple children, an event will be triggered for each child entity that intersects the ray.</p>
<p><b>Access functions:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> Qt3DRender::QPickingSettings::PickResultMode </td><td class="memItemRight bottomAlign"><span class="name"><b>pickResultMode</b></span>() const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setPickResultMode</b></span>(Qt3DRender::QPickingSettings::PickResultMode <i>pickResultMode</i>)</td></tr>
</table></div>
<p><b>Notifier signal:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>pickResultModeChanged</b></span>(QPickingSettings::PickResultMode <i>pickResult</i>)</td></tr>
</table></div>
<!-- @@@pickResultMode -->
<!-- $$$worldSpaceTolerance-prop$$$worldSpaceTolerance$$$setWorldSpaceTolerancefloat$$$worldSpaceToleranceChangedfloat -->
<h3 class="fn" id="worldSpaceTolerance-prop"><a name="worldSpaceTolerance-prop"></a><span class="name">worldSpaceTolerance</span> : <span class="type">float</span></h3>
<p>Holds the threshold, in model space coordinates, used to evaluate line and point picking.</p>
<p><b>Access functions:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> float </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qt3drender-qpickingsettings.html#worldSpaceTolerance">worldSpaceTolerance</a></b></span>() const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qt3drender-qpickingsettings.html#setWorldSpaceTolerance">setWorldSpaceTolerance</a></b></span>(float <i>worldSpaceTolerance</i>)</td></tr>
</table></div>
<p><b>Notifier signal:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>worldSpaceToleranceChanged</b></span>(float <i>worldSpaceTolerance</i>)</td></tr>
</table></div>
<!-- @@@worldSpaceTolerance -->
</div>
<div class="func">
<h2>Member Function Documentation</h2>
<!-- $$$QPickingSettings[overload1]$$$QPickingSettingsQt3DCore::QNode* -->
<h3 class="fn" id="QPickingSettings"><a name="QPickingSettings"></a>QPickingSettings::<span class="name">QPickingSettings</span>(<span class="type"><a href="qt3dcore-qnode.html">Qt3DCore::QNode</a></span> *<i>parent</i> = nullptr)</h3>
<p>Default constructs an instance of QPickingSettings.</p><!-- @@@QPickingSettings -->
<!-- $$$setWorldSpaceTolerance -->
<h3 class="fn" id="setWorldSpaceTolerance"><a name="setWorldSpaceTolerance"></a><code>[slot] </code><span class="type">void</span> QPickingSettings::<span class="name">setWorldSpaceTolerance</span>(<span class="type">float</span> <i>worldSpaceTolerance</i>)</h3>
<p>Sets the threshold used for line and point picking to <i>worldSpaceTolerance</i>.</p>
<p><b>Note:</b> Setter function for property <a href="qt3drender-qpickingsettings.html#worldSpaceTolerance-prop">worldSpaceTolerance</a>. </p><p><b>See also </b><a href="qt3drender-qpickingsettings.html#worldSpaceTolerance">worldSpaceTolerance</a>().</p>
<!-- @@@setWorldSpaceTolerance -->
<!-- $$$worldSpaceTolerance -->
<h3 class="fn" id="worldSpaceTolerance"><a name="worldSpaceTolerance"></a><span class="type">float</span> QPickingSettings::<span class="name">worldSpaceTolerance</span>() const</h3>
<p>Returns the line and point precision <a href="qt3drender-qpickingsettings.html#worldSpaceTolerance-prop">worldSpaceTolerance</a></p>
<p><b>Note:</b> Getter function for property <a href="qt3drender-qpickingsettings.html#worldSpaceTolerance-prop">worldSpaceTolerance</a>. </p><p><b>See also </b><a href="qt3drender-qpickingsettings.html#setWorldSpaceTolerance">setWorldSpaceTolerance</a>().</p>
<!-- @@@worldSpaceTolerance -->
</div>
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