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<h1>osgUtil::LineSegmentIntersector Class Reference</h1> </div>
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<!-- doxytag: class="osgUtil::LineSegmentIntersector" --><!-- doxytag: inherits="osgUtil::Intersector" -->
<p>Concrete class for implementing line intersections with the scene graph.
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Inheritance diagram for osgUtil::LineSegmentIntersector:</div>
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<div class="center"><img src="a03615.png" border="0" usemap="#osgUtil_1_1LineSegmentIntersector_inherit__map" alt="Inheritance graph"/></div>
<map name="osgUtil_1_1LineSegmentIntersector_inherit__map" id="osgUtil_1_1LineSegmentIntersector_inherit__map">
<area shape="rect" id="node2" href="a00402.html" title="Pure virtual base class for implementing custom intersection technique." alt="" coords="43,83,176,112"/><area shape="rect" id="node4" href="a00627.html" title="Base class from providing referencing counted objects." alt="" coords="51,5,168,35"/></map>
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<table class="memberdecls">
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Classes</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><a class="el" href="a00398.html">Intersection</a></td></tr>
<tr><td colspan="2"><h2><a name="pub-types"></a>
Public Types</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">typedef std::multiset<br class="typebreak"/>
< <a class="el" href="a00398.html">Intersection</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="a00445.html#a1997c6889cef01297fbc855cb732b557">Intersections</a></td></tr>
<tr><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00445.html#ac7c66c3cedffb99b1e445ab463fc24a1">LineSegmentIntersector</a> (const <a class="el" href="a01067.html">osg::Vec3d</a> &start, const <a class="el" href="a01067.html">osg::Vec3d</a> &end)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Construct a <a class="el" href="a00445.html" title="Concrete class for implementing line intersections with the scene graph.">LineSegmentIntersector</a> the runs between the specified start and end points in MODEL coordinates. <a href="#ac7c66c3cedffb99b1e445ab463fc24a1"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00445.html#a403924e946ce037d37feecccc8374047">LineSegmentIntersector</a> (<a class="el" href="a00402.html#a7d2a53b364806e0bcf8eae8800fbff47">CoordinateFrame</a> cf, const <a class="el" href="a01067.html">osg::Vec3d</a> &start, const <a class="el" href="a01067.html">osg::Vec3d</a> &end)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Construct a <a class="el" href="a00445.html" title="Concrete class for implementing line intersections with the scene graph.">LineSegmentIntersector</a> the runs between the specified start and end points in the specified coordinate frame. <a href="#a403924e946ce037d37feecccc8374047"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00445.html#a834190244add5ce382154b41572ba98c">LineSegmentIntersector</a> (<a class="el" href="a00402.html#a7d2a53b364806e0bcf8eae8800fbff47">CoordinateFrame</a> cf, double x, double y)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Convenience constructor for supporting picking in WINDOW, or PROJECTION coordinates In WINDOW coordinates creates a start value of (x,y,0) and end value of (x,y,1). <a href="#a834190244add5ce382154b41572ba98c"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00445.html#a7b2b974b1267bf71704b21f0e1ded133">insertIntersection</a> (const <a class="el" href="a00398.html">Intersection</a> &intersection)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00445.html#a1997c6889cef01297fbc855cb732b557">Intersections</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="a00445.html#a315c0d9061b6b3426c61ed60daa656e3">getIntersections</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00398.html">Intersection</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00445.html#a7a2ddfb2835bd91f0b6ce192db26b9cc">getFirstIntersection</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00445.html#a53f5ca522198eaf93894d5dfceb72800">setStart</a> (const <a class="el" href="a01067.html">osg::Vec3d</a> &start)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const <a class="el" href="a01067.html">osg::Vec3d</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="a00445.html#a6faef7949d4270201879f6fd87008e1f">getStart</a> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00445.html#a9b1cd3d2c7367c81aaff19a628d49da0">setEnd</a> (const <a class="el" href="a01067.html">osg::Vec3d</a> &end)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const <a class="el" href="a01067.html">osg::Vec3d</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="a00445.html#ad8b7e229d160d770941a25d107c240e4">getEnd</a> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="a00402.html">Intersector</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00445.html#a82c0109c748d48d1df9218b03fe40f8c">clone</a> (<a class="el" href="a00401.html">osgUtil::IntersectionVisitor</a> &iv)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a00445.html#aea84db01ed0b271f46d35cf784b6fa22">enter</a> (const <a class="el" href="a00491.html">osg::Node</a> &node)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00445.html#aa0ee17d03f821e13c0b957f19d7bab2d">leave</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00445.html#a658627ad6836bd23ae929aeca6b60645">intersect</a> (<a class="el" href="a00401.html">osgUtil::IntersectionVisitor</a> &iv, <a class="el" href="a00216.html">osg::Drawable</a> *drawable)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00445.html#ac63b8c91d322d2eab9dcfb8778c28e4a">reset</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a00445.html#a7e673b4cc974f10ba744579473ed15d0">containsIntersections</a> ()</td></tr>
<tr><td colspan="2"><h2><a name="pro-methods"></a>
Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a00445.html#a7d1667c1d541e4d7c498d5e97d56de4f">intersects</a> (const <a class="el" href="a00070.html">osg::BoundingSphere</a> &bs)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a00445.html#af2229f0731371b586d1a01a5540ebce9">intersectAndClip</a> (<a class="el" href="a01067.html">osg::Vec3d</a> &s, <a class="el" href="a01067.html">osg::Vec3d</a> &e, const <a class="el" href="a00069.html">osg::BoundingBox</a> &bb)</td></tr>
<tr><td colspan="2"><h2><a name="pro-attribs"></a>
Protected Attributes</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00445.html">LineSegmentIntersector</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00445.html#a154d802fd628b99b4591bed546bd3a6e">_parent</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="a01067.html">osg::Vec3d</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00445.html#a9e59d0f1b5ce720dabe00c9e28d37342">_start</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="a01067.html">osg::Vec3d</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00445.html#af8cad613413bc8452517dda1c24e2bac">_end</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00445.html#a1997c6889cef01297fbc855cb732b557">Intersections</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00445.html#a05d7b6652be8d58b95ccaaaf9f4b4309">_intersections</a></td></tr>
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<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p>Concrete class for implementing line intersections with the scene graph. </p>
<p>To be used in conjunction with <a class="el" href="a00401.html" title="InteresectionVisitor is used to testing for intersections with the scene, traversing the scene using ...">IntersectionVisitor</a>. </p>
<hr/><h2>Member Typedef Documentation</h2>
<a class="anchor" id="a1997c6889cef01297fbc855cb732b557"></a><!-- doxytag: member="osgUtil::LineSegmentIntersector::Intersections" ref="a1997c6889cef01297fbc855cb732b557" args="" -->
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<td class="memname">typedef std::multiset<<a class="el" href="a00398.html">Intersection</a>> <a class="el" href="a00445.html#a1997c6889cef01297fbc855cb732b557">osgUtil::LineSegmentIntersector::Intersections</a></td>
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<hr/><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" id="ac7c66c3cedffb99b1e445ab463fc24a1"></a><!-- doxytag: member="osgUtil::LineSegmentIntersector::LineSegmentIntersector" ref="ac7c66c3cedffb99b1e445ab463fc24a1" args="(const osg::Vec3d &start, const osg::Vec3d &end)" -->
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<td class="memname">osgUtil::LineSegmentIntersector::LineSegmentIntersector </td>
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<td class="paramtype">const <a class="el" href="a01067.html">osg::Vec3d</a> & </td>
<td class="paramname"> <em>start</em>, </td>
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<td class="paramtype">const <a class="el" href="a01067.html">osg::Vec3d</a> & </td>
<td class="paramname"> <em>end</em></td><td> </td>
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<p>Construct a <a class="el" href="a00445.html" title="Concrete class for implementing line intersections with the scene graph.">LineSegmentIntersector</a> the runs between the specified start and end points in MODEL coordinates. </p>
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<a class="anchor" id="a403924e946ce037d37feecccc8374047"></a><!-- doxytag: member="osgUtil::LineSegmentIntersector::LineSegmentIntersector" ref="a403924e946ce037d37feecccc8374047" args="(CoordinateFrame cf, const osg::Vec3d &start, const osg::Vec3d &end)" -->
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<td class="memname">osgUtil::LineSegmentIntersector::LineSegmentIntersector </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00402.html#a7d2a53b364806e0bcf8eae8800fbff47">CoordinateFrame</a> </td>
<td class="paramname"> <em>cf</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">const <a class="el" href="a01067.html">osg::Vec3d</a> & </td>
<td class="paramname"> <em>start</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">const <a class="el" href="a01067.html">osg::Vec3d</a> & </td>
<td class="paramname"> <em>end</em></td><td> </td>
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<p>Construct a <a class="el" href="a00445.html" title="Concrete class for implementing line intersections with the scene graph.">LineSegmentIntersector</a> the runs between the specified start and end points in the specified coordinate frame. </p>
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<a class="anchor" id="a834190244add5ce382154b41572ba98c"></a><!-- doxytag: member="osgUtil::LineSegmentIntersector::LineSegmentIntersector" ref="a834190244add5ce382154b41572ba98c" args="(CoordinateFrame cf, double x, double y)" -->
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<td class="memname">osgUtil::LineSegmentIntersector::LineSegmentIntersector </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00402.html#a7d2a53b364806e0bcf8eae8800fbff47">CoordinateFrame</a> </td>
<td class="paramname"> <em>cf</em>, </td>
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<td class="paramtype">double </td>
<td class="paramname"> <em>x</em>, </td>
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<p>Convenience constructor for supporting picking in WINDOW, or PROJECTION coordinates In WINDOW coordinates creates a start value of (x,y,0) and end value of (x,y,1). </p>
<p>In PROJECTION coordinates (clip space cube) creates a start value of (x,y,-1) and end value of (x,y,1). In VIEW and MODEL coordinates creates a start value of (x,y,0) and end value of (x,y,1). </p>
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<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a82c0109c748d48d1df9218b03fe40f8c"></a><!-- doxytag: member="osgUtil::LineSegmentIntersector::clone" ref="a82c0109c748d48d1df9218b03fe40f8c" args="(osgUtil::IntersectionVisitor &iv)" -->
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<td class="memname">virtual <a class="el" href="a00402.html">Intersector</a>* osgUtil::LineSegmentIntersector::clone </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00401.html">osgUtil::IntersectionVisitor</a> & </td>
<td class="paramname"> <em>iv</em></td>
<td> ) </td>
<td><code> [virtual]</code></td>
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<p>Implements <a class="el" href="a00402.html#ac0028047df744498fa23591c5032c288">osgUtil::Intersector</a>.</p>
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<a class="anchor" id="a7e673b4cc974f10ba744579473ed15d0"></a><!-- doxytag: member="osgUtil::LineSegmentIntersector::containsIntersections" ref="a7e673b4cc974f10ba744579473ed15d0" args="()" -->
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<td class="memname">virtual bool osgUtil::LineSegmentIntersector::containsIntersections </td>
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<td><code> [inline, virtual]</code></td>
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<p>Implements <a class="el" href="a00402.html#a58b8cacd87029c6f63e9ff5ffad02613">osgUtil::Intersector</a>.</p>
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<a class="anchor" id="aea84db01ed0b271f46d35cf784b6fa22"></a><!-- doxytag: member="osgUtil::LineSegmentIntersector::enter" ref="aea84db01ed0b271f46d35cf784b6fa22" args="(const osg::Node &node)" -->
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<td class="memname">virtual bool osgUtil::LineSegmentIntersector::enter </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="a00491.html">osg::Node</a> & </td>
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<td> ) </td>
<td><code> [virtual]</code></td>
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<p>Implements <a class="el" href="a00402.html#a92cef8c36b728b4d00be26344af36f1e">osgUtil::Intersector</a>.</p>
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<a class="anchor" id="ad8b7e229d160d770941a25d107c240e4"></a><!-- doxytag: member="osgUtil::LineSegmentIntersector::getEnd" ref="ad8b7e229d160d770941a25d107c240e4" args="() const " -->
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<td class="memname">const <a class="el" href="a01067.html">osg::Vec3d</a>& osgUtil::LineSegmentIntersector::getEnd </td>
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<a class="anchor" id="a7a2ddfb2835bd91f0b6ce192db26b9cc"></a><!-- doxytag: member="osgUtil::LineSegmentIntersector::getFirstIntersection" ref="a7a2ddfb2835bd91f0b6ce192db26b9cc" args="()" -->
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<td class="memname"><a class="el" href="a00398.html">Intersection</a> osgUtil::LineSegmentIntersector::getFirstIntersection </td>
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<td class="memname"><a class="el" href="a00445.html#a1997c6889cef01297fbc855cb732b557">Intersections</a>& osgUtil::LineSegmentIntersector::getIntersections </td>
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<a class="anchor" id="a6faef7949d4270201879f6fd87008e1f"></a><!-- doxytag: member="osgUtil::LineSegmentIntersector::getStart" ref="a6faef7949d4270201879f6fd87008e1f" args="() const " -->
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<td class="memname">const <a class="el" href="a01067.html">osg::Vec3d</a>& osgUtil::LineSegmentIntersector::getStart </td>
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<a class="anchor" id="a7b2b974b1267bf71704b21f0e1ded133"></a><!-- doxytag: member="osgUtil::LineSegmentIntersector::insertIntersection" ref="a7b2b974b1267bf71704b21f0e1ded133" args="(const Intersection &intersection)" -->
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<td class="memname">void osgUtil::LineSegmentIntersector::insertIntersection </td>
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<a class="anchor" id="a658627ad6836bd23ae929aeca6b60645"></a><!-- doxytag: member="osgUtil::LineSegmentIntersector::intersect" ref="a658627ad6836bd23ae929aeca6b60645" args="(osgUtil::IntersectionVisitor &iv, osg::Drawable *drawable)" -->
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<td class="memname">virtual void osgUtil::LineSegmentIntersector::intersect </td>
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<p>Implements <a class="el" href="a00402.html#a52938e5cdaf762b7b0c8710646397401">osgUtil::Intersector</a>.</p>
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<a class="anchor" id="a7d1667c1d541e4d7c498d5e97d56de4f"></a><!-- doxytag: member="osgUtil::LineSegmentIntersector::intersects" ref="a7d1667c1d541e4d7c498d5e97d56de4f" args="(const osg::BoundingSphere &bs)" -->
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<td class="memname">bool osgUtil::LineSegmentIntersector::intersects </td>
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<a class="anchor" id="aa0ee17d03f821e13c0b957f19d7bab2d"></a><!-- doxytag: member="osgUtil::LineSegmentIntersector::leave" ref="aa0ee17d03f821e13c0b957f19d7bab2d" args="()" -->
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<td class="memname">virtual void osgUtil::LineSegmentIntersector::leave </td>
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<td><code> [virtual]</code></td>
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<p>Implements <a class="el" href="a00402.html#a036b81d86182318b44a0260608af1310">osgUtil::Intersector</a>.</p>
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<a class="anchor" id="ac63b8c91d322d2eab9dcfb8778c28e4a"></a><!-- doxytag: member="osgUtil::LineSegmentIntersector::reset" ref="ac63b8c91d322d2eab9dcfb8778c28e4a" args="()" -->
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<td class="memname">virtual void osgUtil::LineSegmentIntersector::reset </td>
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<td><code> [virtual]</code></td>
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<p>Reimplemented from <a class="el" href="a00402.html#a3c3825b050cf081eef133f0a7ee44f87">osgUtil::Intersector</a>.</p>
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<a class="anchor" id="a9b1cd3d2c7367c81aaff19a628d49da0"></a><!-- doxytag: member="osgUtil::LineSegmentIntersector::setEnd" ref="a9b1cd3d2c7367c81aaff19a628d49da0" args="(const osg::Vec3d &end)" -->
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<td class="memname">void osgUtil::LineSegmentIntersector::setEnd </td>
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<td class="paramname"> <em>end</em></td>
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<a class="anchor" id="a53f5ca522198eaf93894d5dfceb72800"></a><!-- doxytag: member="osgUtil::LineSegmentIntersector::setStart" ref="a53f5ca522198eaf93894d5dfceb72800" args="(const osg::Vec3d &start)" -->
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<td class="memname">void osgUtil::LineSegmentIntersector::setStart </td>
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<td class="paramname"> <em>start</em></td>
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<td><code> [inline]</code></td>
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<hr/><h2>Member Data Documentation</h2>
<a class="anchor" id="af8cad613413bc8452517dda1c24e2bac"></a><!-- doxytag: member="osgUtil::LineSegmentIntersector::_end" ref="af8cad613413bc8452517dda1c24e2bac" args="" -->
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<td class="memname"><a class="el" href="a01067.html">osg::Vec3d</a> <a class="el" href="a00445.html#af8cad613413bc8452517dda1c24e2bac">osgUtil::LineSegmentIntersector::_end</a><code> [protected]</code></td>
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<a class="anchor" id="a05d7b6652be8d58b95ccaaaf9f4b4309"></a><!-- doxytag: member="osgUtil::LineSegmentIntersector::_intersections" ref="a05d7b6652be8d58b95ccaaaf9f4b4309" args="" -->
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<td class="memname"><a class="el" href="a00445.html#a1997c6889cef01297fbc855cb732b557">Intersections</a> <a class="el" href="a00445.html#a05d7b6652be8d58b95ccaaaf9f4b4309">osgUtil::LineSegmentIntersector::_intersections</a><code> [protected]</code></td>
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<a class="anchor" id="a154d802fd628b99b4591bed546bd3a6e"></a><!-- doxytag: member="osgUtil::LineSegmentIntersector::_parent" ref="a154d802fd628b99b4591bed546bd3a6e" args="" -->
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<td class="memname"><a class="el" href="a00445.html">LineSegmentIntersector</a>* <a class="el" href="a00445.html#a154d802fd628b99b4591bed546bd3a6e">osgUtil::LineSegmentIntersector::_parent</a><code> [protected]</code></td>
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<td class="memname"><a class="el" href="a01067.html">osg::Vec3d</a> <a class="el" href="a00445.html#a9e59d0f1b5ce720dabe00c9e28d37342">osgUtil::LineSegmentIntersector::_start</a><code> [protected]</code></td>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li>osgUtil/<a class="el" href="a01562.html">LineSegmentIntersector</a></li>
</ul>
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