<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <!-- qgeometry.cpp --> <title>QGeometry Class | Qt 3D 5.12.6</title> <link rel="stylesheet" type="text/css" href="style/offline-simple.css" /> <script type="text/javascript"> document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css"); // loading style sheet breaks anchors that were jumped to before // so force jumping to anchor again setTimeout(function() { var anchor = location.hash; // need to jump to different anchor first (e.g. none) location.hash = "#"; setTimeout(function() { location.hash = anchor; }, 0); }, 0); </script> </head> <body> <div class="header" id="qtdocheader"> <div class="main"> <div class="main-rounded"> <div class="navigationbar"> <table><tr> <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 >QGeometry</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qt3d-index.html">Qt 5.12.6 Reference Documentation</a></td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"> <div class="toc"> <h3><a name="toc">Contents</a></h3> <ul> <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> </ul> </div> <div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">QGeometry Class</h1> <span class="small-subtitle">(<a href="qt3drender-qgeometry.html">Qt3DRender::QGeometry</a>)<br/></span> <!-- $$$QGeometry-brief --> <p>Encapsulates geometry. <a href="#details">More...</a></p> <!-- @@@QGeometry --> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> <span class="preprocessor">#include <QGeometry></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-geometry.html">Geometry</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><tr><td class="memItemLeft rightAlign topAlign"> Inherited By:</td><td class="memItemRight bottomAlign"> <p><a href="qt3dextras-qconegeometry.html">Qt3DExtras::QConeGeometry</a>, <a href="qt3dextras-qcuboidgeometry.html">Qt3DExtras::QCuboidGeometry</a>, <a href="qt3dextras-qcylindergeometry.html">Qt3DExtras::QCylinderGeometry</a>, <a href="qt3dextras-qextrudedtextgeometry.html">Qt3DExtras::QExtrudedTextGeometry</a>, <a href="qt3dextras-qplanegeometry.html">Qt3DExtras::QPlaneGeometry</a>, <a href="qt3dextras-qspheregeometry.html">Qt3DExtras::QSphereGeometry</a>, and <a href="qt3dextras-qtorusgeometry.html">Qt3DExtras::QTorusGeometry</a></p> </td></tr></table></div><ul> <li><a href="qt3drender-qgeometry-members.html">List of all members, including inherited members</a></li> </ul> <a name="properties"></a> <h2 id="properties">Properties</h2> <ul> <li class="fn"><b><a href="qt3drender-qgeometry.html#boundingVolumePositionAttribute-prop">boundingVolumePositionAttribute</a></b> : Qt3DRender::QAttribute*</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-qgeometry.html#QGeometry">QGeometry</a></b>(Qt3DCore::QNode *<i>parent</i> = nullptr)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qgeometry.html#addAttribute">addAttribute</a></b>(Qt3DRender::QAttribute *<i>attribute</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> QVector<Qt3DRender::QAttribute *> </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qgeometry.html#attributes">attributes</a></b>() const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> Qt3DRender::QAttribute *</td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qgeometry.html#boundingVolumePositionAttribute-prop">boundingVolumePositionAttribute</a></b>() const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qgeometry.html#removeAttribute">removeAttribute</a></b>(Qt3DRender::QAttribute *<i>attribute</i>)</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-qgeometry.html#boundingVolumePositionAttribute-prop">setBoundingVolumePositionAttribute</a></b>(Qt3DRender::QAttribute *<i>boundingVolumePositionAttribute</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-qgeometry.html#boundingVolumePositionAttribute-prop">boundingVolumePositionAttributeChanged</a></b>(Qt3DRender::QAttribute *<i>boundingVolumePositionAttribute</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-qgeometry.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> <!-- $$$QGeometry-description --> <div class="descr"> <h2 id="details">Detailed Description</h2> <p>Encapsulates geometry.</p> <p>A <a href="qt3drender-qgeometry.html">Qt3DRender::QGeometry</a> class is used to group a list of <a href="qt3drender-qattribute.html">Qt3DRender::QAttribute</a> objects together to form a geometric shape Qt3D is able to render using <a href="qt3drender-qgeometryrenderer.html">Qt3DRender::QGeometryRenderer</a>. Special attribute can be set in order to calculate bounding volume of the shape.</p> </div> <!-- @@@QGeometry --> <div class="prop"> <h2>Property Documentation</h2> <!-- $$$boundingVolumePositionAttribute-prop$$$boundingVolumePositionAttribute$$$setBoundingVolumePositionAttributeQt3DRender::QAttribute*$$$boundingVolumePositionAttributeChangedQt3DRender::QAttribute* --> <h3 class="fn" id="boundingVolumePositionAttribute-prop"><a name="boundingVolumePositionAttribute-prop"></a><span class="name">boundingVolumePositionAttribute</span> : <span class="type"><a href="qt3drender-qattribute.html">Qt3DRender::QAttribute</a></span>*</h3> <p>Holds the attribute used to compute the bounding volume. The bounding volume is used internally for picking and view frustum culling.</p> <p>If unspecified, the system will look for the attribute using the name returned by <a href="qt3drender-qattribute.html#defaultPositionAttributeName-prop">QAttribute::defaultPositionAttributeName</a>.</p> <p><b>Access functions:</b></p> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> Qt3DRender::QAttribute *</td><td class="memItemRight bottomAlign"><span class="name"><b>boundingVolumePositionAttribute</b></span>() const</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setBoundingVolumePositionAttribute</b></span>(Qt3DRender::QAttribute *<i>boundingVolumePositionAttribute</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>boundingVolumePositionAttributeChanged</b></span>(Qt3DRender::QAttribute *<i>boundingVolumePositionAttribute</i>)</td></tr> </table></div> <p><b>See also </b><a href="qt3drender-qattribute.html">Qt3DRender::QAttribute</a>.</p> <!-- @@@boundingVolumePositionAttribute --> </div> <div class="func"> <h2>Member Function Documentation</h2> <!-- $$$QGeometry[overload1]$$$QGeometryQt3DCore::QNode* --> <h3 class="fn" id="QGeometry"><a name="QGeometry"></a>QGeometry::<span class="name">QGeometry</span>(<span class="type"><a href="qt3dcore-qnode.html">Qt3DCore::QNode</a></span> *<i>parent</i> = nullptr)</h3> <p>Constructs a new <a href="qt3drender-qgeometry.html">QGeometry</a> with <i>parent</i>.</p> <!-- @@@QGeometry --> <!-- $$$addAttribute[overload1]$$$addAttributeQt3DRender::QAttribute* --> <h3 class="fn" id="addAttribute"><a name="addAttribute"></a><span class="type">void</span> QGeometry::<span class="name">addAttribute</span>(<span class="type"><a href="qt3drender-qattribute.html">Qt3DRender::QAttribute</a></span> *<i>attribute</i>)</h3> <p>Adds an <i>attribute</i> to this geometry.</p> <p><b>Note: </b>This function can be invoked via the meta-object system and from QML. See Q_INVOKABLE.</p> <!-- @@@addAttribute --> <!-- $$$attributes[overload1]$$$attributes --> <h3 class="fn" id="attributes"><a name="attributes"></a><span class="type">QVector</span><<span class="type"><a href="qt3drender-qattribute.html">Qt3DRender::QAttribute</a></span> *> QGeometry::<span class="name">attributes</span>() const</h3> <p>Returns the list of attributes in this geometry.</p> <!-- @@@attributes --> <!-- $$$removeAttribute[overload1]$$$removeAttributeQt3DRender::QAttribute* --> <h3 class="fn" id="removeAttribute"><a name="removeAttribute"></a><span class="type">void</span> QGeometry::<span class="name">removeAttribute</span>(<span class="type"><a href="qt3drender-qattribute.html">Qt3DRender::QAttribute</a></span> *<i>attribute</i>)</h3> <p>Removes the given <i>attribute</i> from this geometry.</p> <p><b>Note: </b>This function can be invoked via the meta-object system and from QML. See Q_INVOKABLE.</p> <!-- @@@removeAttribute --> </div> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2019 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners.<br/> The documentation provided herein is licensed under the terms of the <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation License version 1.3</a> as published by the Free Software Foundation.<br/> Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. </p> </div> </body> </html>