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  <title>Qt Mobility 1.2: QLandmarkProximityFilter Class Reference</title>
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    <a href="index.html" class="qtref"><span>QtMobility Reference Documentation</span></a>
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<h3><a name="toc">Contents</a></h3>
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<li class="level1"><a href="#public-functions">Public Functions</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
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<h1 class="title">QLandmarkProximityFilter Class Reference</h1>
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<p>The QLandmarkProximityFilter class is used to search for landmarks based on the radius around a given coordinate and perform sorting by distance. <a href="#details">More...</a></p>
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<pre class="cpp"> <span class="preprocessor">#include &lt;QLandmarkProximityFilter&gt;</span></pre><p><b>Inherits: </b><a href="qlandmarkfilter.html">QLandmarkFilter</a>.</p>
<p>This class was introduced in Qt Mobility 1.1.</p>
<ul>
<li><a href="qlandmarkproximityfilter-members.html">List of all members, including inherited members</a></li>
</ul>
<a name="public-functions"></a>
<h2>Public Functions</h2>
<table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qlandmarkproximityfilter.html#QLandmarkProximityFilter">QLandmarkProximityFilter</a></b> ( const QGeoCoordinate &amp; <i>center</i> = QGeoCoordinate(), qreal <i>radius</i> = -1 )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qlandmarkproximityfilter.html#QLandmarkProximityFilter-2">QLandmarkProximityFilter</a></b> ( const QGeoBoundingCircle &amp; <i>circle</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qlandmarkproximityfilter.html#QLandmarkProximityFilter-3">QLandmarkProximityFilter</a></b> ( const QLandmarkFilter &amp; <i>other</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual </td><td class="memItemRight bottomAlign"><b><a href="qlandmarkproximityfilter.html#dtor.QLandmarkProximityFilter">~QLandmarkProximityFilter</a></b> ()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QGeoBoundingCircle </td><td class="memItemRight bottomAlign"><b><a href="qlandmarkproximityfilter.html#boundingCircle">boundingCircle</a></b> ()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QGeoCoordinate </td><td class="memItemRight bottomAlign"><b><a href="qlandmarkproximityfilter.html#center">center</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> qreal </td><td class="memItemRight bottomAlign"><b><a href="qlandmarkproximityfilter.html#radius">radius</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qlandmarkproximityfilter.html#setBoundingCircle">setBoundingCircle</a></b> ( const QGeoBoundingCircle &amp; <i>circle</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qlandmarkproximityfilter.html#setCenter">setCenter</a></b> ( const QGeoCoordinate &amp; <i>center</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qlandmarkproximityfilter.html#setRadius">setRadius</a></b> ( qreal <i>radius</i> )</td></tr>
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<ul>
<li class="fn">4 public functions inherited from <a href="qlandmarkfilter.html#public-functions">QLandmarkFilter</a></li>
</ul>
<a name="details"></a>
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<div class="descr">
<h2>Detailed Description</h2>
<p>The QLandmarkProximityFilter class is used to search for landmarks based on the radius around a given coordinate and perform sorting by distance.</p>
<p>In order to be a valid filter, the region covered by the proximity filter must not cover one of the poles. The landmarks are returned in ascending order of distance. A proximity filter may be used inside an intersection filter to sort landmarks by distance in combination with other criteria such as categories. (Note that a using sort order other than <a href="qlandmarksortorder.html">QLandmarkSortOrder</a> (i.e&#x2e; no sort) will override the sorting by distance).</p>
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<div class="func">
<h2>Member Function Documentation</h2>
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<h3 class="fn"><a name="QLandmarkProximityFilter"></a>QLandmarkProximityFilter::<span class="name">QLandmarkProximityFilter</span> ( const <span class="type"><a href="qgeocoordinate.html">QGeoCoordinate</a></span> &amp; <i>center</i> = QGeoCoordinate(), <span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> <i>radius</i> = -1 )</h3>
<p>Creates a filter that will select landmarks within a given <i>radius</i> around a <i>center</i> coordinate.</p>
<p>This function was introduced in Qt Mobility 1.1.</p>
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<h3 class="fn"><a name="QLandmarkProximityFilter-2"></a>QLandmarkProximityFilter::<span class="name">QLandmarkProximityFilter</span> ( const <span class="type"><a href="qgeoboundingcircle.html">QGeoBoundingCircle</a></span> &amp; <i>circle</i> )</h3>
<p>Creates a filter that will select landmarks withiin a given bounding <i>circle</i>.</p>
<p>This function was introduced in Qt Mobility 1.1.</p>
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<h3 class="fn"><a name="QLandmarkProximityFilter-3"></a>QLandmarkProximityFilter::<span class="name">QLandmarkProximityFilter</span> ( const <span class="type"><a href="qlandmarkfilter.html">QLandmarkFilter</a></span> &amp; <i>other</i> )</h3>
<p>Constructs a copy of <i>other</i> if possible, otherwise constructs a new proximity filter.</p>
<p>This function was introduced in Qt Mobility 1.1.</p>
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<h3 class="fn"><a name="dtor.QLandmarkProximityFilter"></a>QLandmarkProximityFilter::<span class="name">~QLandmarkProximityFilter</span> ()<tt> [virtual]</tt></h3>
<p>Destroys the filter.</p>
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<h3 class="fn"><a name="boundingCircle"></a><span class="type"><a href="qgeoboundingcircle.html">QGeoBoundingCircle</a></span> QLandmarkProximityFilter::<span class="name">boundingCircle</span> ()</h3>
<p>Sets the bounding circle for the proximity filter.</p>
<p>This function was introduced in Qt Mobility 1.1.</p>
<p><b>See also </b><a href="qlandmarkproximityfilter.html#setBoundingCircle">setBoundingCircle</a>().</p>
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<h3 class="fn"><a name="center"></a><span class="type"><a href="qgeocoordinate.html">QGeoCoordinate</a></span> QLandmarkProximityFilter::<span class="name">center</span> () const</h3>
<p>Returns the center coordinate of the filter.</p>
<p>This function was introduced in Qt Mobility 1.1.</p>
<p><b>See also </b><a href="qlandmarkproximityfilter.html#setCenter">setCenter</a>().</p>
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<h3 class="fn"><a name="radius"></a><span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> QLandmarkProximityFilter::<span class="name">radius</span> () const</h3>
<p>Returns the radius of the filter. The unit of the radius is meters.</p>
<p>This function was introduced in Qt Mobility 1.1.</p>
<p><b>See also </b><a href="qlandmarkproximityfilter.html#setRadius">setRadius</a>().</p>
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<h3 class="fn"><a name="setBoundingCircle"></a><span class="type">void</span> QLandmarkProximityFilter::<span class="name">setBoundingCircle</span> ( const <span class="type"><a href="qgeoboundingcircle.html">QGeoBoundingCircle</a></span> &amp; <i>circle</i> )</h3>
<p>Sets the bounding <i>circle</i> for the proximity filter</p>
<p>This function was introduced in Qt Mobility 1.1.</p>
<p><b>See also </b><a href="qlandmarkproximityfilter.html#boundingCircle">boundingCircle</a>().</p>
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<!-- $$$setCenter[overload1]$$$setCenterconstQGeoCoordinate& -->
<h3 class="fn"><a name="setCenter"></a><span class="type">void</span> QLandmarkProximityFilter::<span class="name">setCenter</span> ( const <span class="type"><a href="qgeocoordinate.html">QGeoCoordinate</a></span> &amp; <i>center</i> )</h3>
<p>Sets the <i>center</i> coordinate of the filter.</p>
<p>This function was introduced in Qt Mobility 1.1.</p>
<p><b>See also </b><a href="qlandmarkproximityfilter.html#center">center</a>().</p>
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<!-- $$$setRadius[overload1]$$$setRadiusqreal -->
<h3 class="fn"><a name="setRadius"></a><span class="type">void</span> QLandmarkProximityFilter::<span class="name">setRadius</span> ( <span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> <i>radius</i> )</h3>
<p>Sets the <i>radius</i> of the filter. The unit of the radius is meters.</p>
<p>This function was introduced in Qt Mobility 1.1.</p>
<p><b>See also </b><a href="qlandmarkproximityfilter.html#radius">radius</a>().</p>
<!-- @@@setRadius -->
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