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<title>Qt Mobility 1.2: QML MapGroup Element</title>
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<a href="index.html" class="qtref"><span>QtMobility Reference Documentation</span></a>
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<li><a href="http://qt.nokia.com/doc/4.7/qdeclarativeelements.html">QML Elements</a></li>
<li>QML MapGroup Element</li>
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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">QML MapGroup Element</h1>
<span class="subtitle"></span>
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<p>The MapGroup element aggregates a set of map objects. <a href="#details">More...</a></p>
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<p>This element was introduced in Mobility 1.2.</p>
<ul>
<li><a href="qml-mapgroup-members.html">List of all members, including inherited members</a></li>
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<a name="properties"></a>
<h2>Properties</h2>
<ul>
<li class="fn"><b><b><a href="qml-mapgroup.html#objects-prop">objects</a></b></b> : list<QGeoMapObject></li>
<li class="fn"><b><b><a href="qml-mapgroup.html#visible-prop">visible</a></b></b> : bool</li>
<li class="fn"><b><b><a href="qml-mapgroup.html#zValue-prop">zValue</a></b></b> : int</li>
</ul>
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<a name="details"></a>
<h2>Detailed Description</h2>
<p>Grouping is provided to make it easier to quickly add, remove, show and hide groups of objects.</p>
<p>It also allows users to specify an ordering of objects local to the group via the z-values and insertion order of the objects in the group.</p>
<p>An example of group having a small red circle on top of bigger green circle:</p>
<pre class="qml"> <span class="type">MapGroup</span> {
<span class="type"><a href="qml-mapcircle.html">MapCircle</a></span> {
<span class="name">color</span>: <span class="string">"green"</span>
<span class="name">radius</span>: <span class="number">100</span>
<span class="name">center</span>: <span class="name">landmark</span>.<span class="name">coordinate</span>
}
<span class="type"><a href="qml-mapcircle.html">MapCircle</a></span> {
<span class="name">color</span>: <span class="string">"red"</span>
<span class="name">radius</span>: <span class="number">30</span>
<span class="name">center</span>: <span class="name">landmark</span>.<span class="name">coordinate</span>
}
}</pre>
<p>The MapGroup element is part of the <b>QtMobility.location 1.2</b> module.</p>
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<h2>Property Documentation</h2>
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<div class="qmlitem"><div class="qmlproto"><table class="qmlname"><tr valign="top" class="odd"><td class="tblQmlPropNode"><p><a name="objects-prop"></a><span class="qmldefault">default</span><span class="name">objects</span> : <span class="type"><a href="http://qt.nokia.com/doc/4.7/qml-list.html">list</a></span><<span class="type"><a href="qgeomapobject.html">QGeoMapObject</a></span>></p></td></tr></table></div><div class="qmldoc"><p>This property holds the list of objects which make up the group.</p>
<p>This property group was introduced in Mobility 1.2.</p>
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<div class="qmlitem"><div class="qmlproto"><table class="qmlname"><tr valign="top" class="odd"><td class="tblQmlPropNode"><p><a name="visible-prop"></a><span class="name">visible</span> : <span class="type"><a href="http://qt.nokia.com/doc/4.7/qml-bool.html">bool</a></span></p></td></tr></table></div><div class="qmldoc"><p>This property holds a boolean corresponding to whether or not the group is visible.</p>
<p>This property group was introduced in Mobility 1.2.</p>
</div></div><!-- @@@visible -->
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<!-- $$$zValue -->
<div class="qmlitem"><div class="qmlproto"><table class="qmlname"><tr valign="top" class="odd"><td class="tblQmlPropNode"><p><a name="zValue-prop"></a><span class="name">zValue</span> : <span class="type"><a href="http://qt.nokia.com/doc/4.7/qml-int.html">int</a></span></p></td></tr></table></div><div class="qmldoc"><p>This property holds the z-value of the group.</p>
<p>Map objects are drawn in z-value order, and objects with the same z-value will be drawn in insertion order.</p>
<p>The objects inside the group are drawn according to the z-values and insertion order of the other elements of the group. This is indpendent of the z-value and insertion order of the group element itself.</p>
<p>This property group was introduced in Mobility 1.2.</p>
</div></div><!-- @@@zValue -->
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