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OpenSceneGraph/doc/doc++/osg/Group.html
Robert Osfield 514e0d06d5 Updates docs for release.
2003-01-24 23:36:35 +00:00

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE>class SG_EXPORT osg::Group</TITLE>
<META NAME="GENERATOR" CONTENT="DOC++ 3.4.10">
</HEAD>
<BODY BGCOLOR="#ffffff">
<H2>class SG_EXPORT <A HREF="#DOC.DOCU">osg::Group</A></H2></H2><BLOCKQUOTE>General group node which maintains a list of children.</BLOCKQUOTE>
<HR>
<H2>Inheritance:</H2>
<APPLET CODE="ClassGraph.class" WIDTH=600 HEIGHT=395>
<param name=classes value="CReferenced,MReferenced.html,CObject,MObject.html,CNode,MNode.html,CGroup,MGroup.html,CTransform,MTransform.html,CSwitch,MSwitch.html,CSequence,MSequence.html,CProjection,MProjection.html,COccluderNode,MOccluderNode.html,CLightSource,MLightSource.html,CLOD,MLOD.html,CClipNode,MClipNode.html,CClearNode,MClearNode.html">
<param name=before value="M,M,M,M,M|_,MR_,MR_,MR_,MR_,MR_,MR_,MR_,Mr_">
<param name=after value="Md_SPSP,Md_SP,Md_,M,M,M,M,M,M,M,M,M,M">
<param name=indent value="0,1,2,3,3,3,3,3,3,3,3,3,3">
<param name=arrowdir value="down">
</APPLET>
<HR>
<DL>
<P><DL>
<DT><H3>Public Methods</H3><DD><DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif> <B><A HREF="#DOC.2.72.2">Group</A></B>()
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif> <B><A HREF="#DOC.2.72.3">Group</A></B>(const <!1><A HREF="Group.html#DOC.2.72.3">Group</A>&amp;, const <!1><A HREF="CopyOp.html">CopyOp</A>&amp; copyop=CopyOp::SHALLOW_COPY)
<DD><I>Copy constructor using CopyOp to manage deep vs shallow copy</I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif> <B><A HREF="#DOC.2.72.4">META_Node</A></B>(<!1><A HREF="osg.html">osg</A>, <!1><A HREF="Group.html">Group</A>)
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>virtual <!1><A HREF="Group.html">Group</A>* <B><A HREF="#DOC.2.72.5">asGroup</A></B>()
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>virtual const <!1><A HREF="Group.html">Group</A>* <B><A HREF="#DOC.2.72.6">asGroup</A></B>() const
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>virtual void <B><A HREF="#DOC.2.72.7">traverse</A></B>(<!1><A HREF="NodeVisitor.html">NodeVisitor</A>&amp; nv)
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>virtual bool <B><A HREF="#DOC.2.72.8">addChild</A></B>( <!1><A HREF="Node.html">Node</A>* child )
<DD><I>Add Node to Group.</I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>virtual bool <B><A HREF="#DOC.2.72.9">removeChild</A></B>( <!1><A HREF="Node.html">Node</A>* child )
<DD><I>Remove Node from Group.</I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>virtual bool <B><A HREF="#DOC.2.72.10">removeChild</A></B>(unsigned int pos, unsigned int numChildrenToRemove=1)
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>virtual bool <B><A HREF="#DOC.2.72.11">replaceChild</A></B>( <!1><A HREF="Node.html">Node</A>* origChild, <!1><A HREF="Node.html">Node</A>* newChild )
<DD><I>Replace specified Node with another Node.</I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>inline unsigned int <B><A HREF="#DOC.2.72.12">getNumChildren</A></B>() const
<DD><I>return the number of chilren nodes</I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>virtual bool <B><A HREF="#DOC.2.72.13">setChild</A></B>( unsigned int i, <!1><A HREF="Node.html">Node</A>* node )
<DD><I>set child node at position i.</I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>inline <!1><A HREF="Node.html">Node</A>* <B><A HREF="#DOC.2.72.14">getChild</A></B>( unsigned int i )
<DD><I>return child node at position i</I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>inline const <!1><A HREF="Node.html">Node</A>* <B><A HREF="#DOC.2.72.15">getChild</A></B>( unsigned int i ) const
<DD><I>return child node at position i</I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>inline bool <B><A HREF="#DOC.2.72.16">containsNode</A></B>( const <!1><A HREF="Node.html">Node</A>* node ) const
<DD><I>return true if node is contained within Group</I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>inline unsigned int <B><A HREF="#DOC.2.72.17">getChildIndex</A></B>( const <!1><A HREF="Node.html">Node</A>* node ) const
<DD><I>Get the index number of child, return a value between 0 and _childrensize()-1 if found, if not found then return _childrensize()</I>
</DL></P>
<P><DL>
<DT><H3>Public Members</H3><DD><DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>typedef std::vector&lt;<!1><A HREF="ref_ptr.html">ref_ptr</A>&lt;<!1><A HREF="Node.html">Node</A>&gt; &gt; <B><A HREF="#DOC.2.72.1">ChildList</A></B>
</DL></P>
<P><DL>
<DT><H3>Protected Fields</H3><DD><DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif><!1><A HREF="Group.html#DOC.2.72.1">ChildList</A> <B><A HREF="#DOC.2.72.20">_children</A></B>
</DL></P>
<P><DL>
<DT><H3>Protected Methods</H3><DD><DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>virtual <B><A HREF="#DOC.2.72.18">~Group</A></B>()
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>virtual bool <B><A HREF="#DOC.2.72.19">computeBound</A></B>() const
</DL></P>
</DL>
<HR><H3>Inherited from <A HREF="Node.html">Node</A>:</H3>
<DL>
<P><DL>
<DT><H3>Public Methods</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif>virtual <!1><A HREF="Object.html">Object</A>* <B>cloneType</B>() const
<DT>
<IMG ALT="o" SRC=icon2.gif>virtual <!1><A HREF="Object.html">Object</A>* <B>clone</B>(const <!1><A HREF="CopyOp.html">CopyOp</A>&amp; copyop) const
<DT>
<IMG ALT="o" SRC=icon2.gif>virtual bool <B>isSameKindAs</B>(const <!1><A HREF="Object.html">Object</A>* obj) const
<DT>
<IMG ALT="o" SRC=icon2.gif>virtual const char* <B>libraryName</B>() const
<DT>
<IMG ALT="o" SRC=icon2.gif>virtual const char* <B>className</B>() const
<DT>
<IMG ALT="o" SRC=icon2.gif>virtual <!1><A HREF="Transform.html">Transform</A>* <B>asTransform</B>()
<DT>
<IMG ALT="o" SRC=icon2.gif>virtual const <!1><A HREF="Transform.html">Transform</A>* <B>asTransform</B>() const
<DT>
<IMG ALT="o" SRC=icon2.gif>virtual void <B>accept</B>(<!1><A HREF="NodeVisitor.html">NodeVisitor</A>&amp; nv)
<DT>
<IMG ALT="o" SRC=icon2.gif>virtual void <B>ascend</B>(<!1><A HREF="NodeVisitor.html">NodeVisitor</A>&amp; nv)
<DT>
<IMG ALT="o" SRC=icon2.gif>inline void <B>setName</B>( const std::string&amp; <!1><A HREF="Test.html#DOC.159.1.3">name</A> )
<DT>
<IMG ALT="o" SRC=icon2.gif>inline void <B>setName</B>( const char* <!1><A HREF="Test.html#DOC.159.1.3">name</A> )
<DT>
<IMG ALT="o" SRC=icon2.gif>inline const std::string&amp; <B>getName</B>() const
<DT>
<IMG ALT="o" SRC=icon2.gif>inline const <!1><A HREF="Node.html#DOC.2.94.18">ParentList</A>&amp; <B>getParents</B>() const
<DT>
<IMG ALT="o" SRC=icon2.gif>inline <!1><A HREF="Node.html#DOC.2.94.18">ParentList</A> <B>getParents</B>()
<DT>
<IMG ALT="o" SRC=icon2.gif>inline <!1><A HREF="Group.html">Group</A>* <B>getParent</B>(unsigned int i)
<DT>
<IMG ALT="o" SRC=icon2.gif>inline const <!1><A HREF="Group.html">Group</A>* <B>getParent</B>(unsigned int i) const
<DT>
<IMG ALT="o" SRC=icon2.gif>inline unsigned int <B>getNumParents</B>() const
<DT>
<IMG ALT="o" SRC=icon2.gif>void <B>setUpdateCallback</B>(<!1><A HREF="NodeCallback.html">NodeCallback</A>* nc)
<DT>
<IMG ALT="o" SRC=icon2.gif>inline <!1><A HREF="NodeCallback.html">NodeCallback</A>* <B>getUpdateCallback</B>()
<DT>
<IMG ALT="o" SRC=icon2.gif>inline const <!1><A HREF="NodeCallback.html">NodeCallback</A>* <B>getUpdateCallback</B>() const
<DT>
<IMG ALT="o" SRC=icon2.gif>void <B>setAppCallback</B>(<!1><A HREF="NodeCallback.html">NodeCallback</A>* nc)
<DT>
<IMG ALT="o" SRC=icon2.gif>inline <!1><A HREF="NodeCallback.html">NodeCallback</A>* <B>getAppCallback</B>()
<DT>
<IMG ALT="o" SRC=icon2.gif>inline const <!1><A HREF="NodeCallback.html">NodeCallback</A>* <B>getAppCallback</B>() const
<DT>
<IMG ALT="o" SRC=icon2.gif>inline unsigned int <B>getNumChildrenRequiringUpdateTraversal</B>() const
<DT>
<IMG ALT="o" SRC=icon2.gif>void <B>setCullCallback</B>(<!1><A HREF="NodeCallback.html">NodeCallback</A>* nc)
<DT>
<IMG ALT="o" SRC=icon2.gif>inline <!1><A HREF="NodeCallback.html">NodeCallback</A>* <B>getCullCallback</B>()
<DT>
<IMG ALT="o" SRC=icon2.gif>inline const <!1><A HREF="NodeCallback.html">NodeCallback</A>* <B>getCullCallback</B>() const
<DT>
<IMG ALT="o" SRC=icon2.gif>void <B>setCullingActive</B>(bool active)
<DT>
<IMG ALT="o" SRC=icon2.gif>inline bool <B>getCullingActive</B>() const
<DT>
<IMG ALT="o" SRC=icon2.gif>inline unsigned int <B>getNumChildrenWithCullingDisabled</B>() const
<DT>
<IMG ALT="o" SRC=icon2.gif>inline bool <B>isCullingActive</B>() const
<DT>
<IMG ALT="o" SRC=icon2.gif>inline unsigned int <B>getNumChildrenWithOccluderNodes</B>() const
<DT>
<IMG ALT="o" SRC=icon2.gif>bool <B>containsOccluderNodes</B>() const
<DT>
<IMG ALT="o" SRC=icon2.gif>inline void <B>setNodeMask</B>(<!1><A HREF="Node.html#DOC.2.94.40">NodeMask</A> nm)
<DT>
<IMG ALT="o" SRC=icon2.gif>inline <!1><A HREF="Node.html#DOC.2.94.40">NodeMask</A> <B>getNodeMask</B>() const
<DT>
<IMG ALT="o" SRC=icon2.gif>inline const <!1><A HREF="Node.html#DOC.2.94.43">DescriptionList</A>&amp; <B>getDescriptions</B>() const
<DT>
<IMG ALT="o" SRC=icon2.gif>inline <!1><A HREF="Node.html#DOC.2.94.43">DescriptionList</A>&amp; <B>getDescriptions</B>()
<DT>
<IMG ALT="o" SRC=icon2.gif>inline const std::string&amp; <B>getDescription</B>(unsigned int i) const
<DT>
<IMG ALT="o" SRC=icon2.gif>inline std::string&amp; <B>getDescription</B>(unsigned int i)
<DT>
<IMG ALT="o" SRC=icon2.gif>inline unsigned int <B>getNumDescriptions</B>() const
<DT>
<IMG ALT="o" SRC=icon2.gif>void <B>addDescription</B>(const std::string&amp; desc)
<DT>
<IMG ALT="o" SRC=icon2.gif>inline void <B>setStateSet</B>(<!1><A HREF="StateSet.html">osg::StateSet</A>* dstate)
<DT>
<IMG ALT="o" SRC=icon2.gif><!1><A HREF="StateSet.html">osg::StateSet</A>* <B>getOrCreateStateSet</B>()
<DT>
<IMG ALT="o" SRC=icon2.gif>inline <!1><A HREF="StateSet.html">osg::StateSet</A>* <B>getStateSet</B>()
<DT>
<IMG ALT="o" SRC=icon2.gif>inline const <!1><A HREF="StateSet.html">osg::StateSet</A>* <B>getStateSet</B>() const
<DT>
<IMG ALT="o" SRC=icon2.gif>inline const <!1><A HREF="BoundingSphere.html">BoundingSphere</A>&amp; <B>getBound</B>() const
<DT>
<IMG ALT="o" SRC=icon2.gif>void <B>dirtyBound</B>()
</DL></P>
<P><DL>
<DT><H3>Public Members</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif>typedef std::vector&lt;<!1><A HREF="Group.html">Group</A>*&gt; <B>ParentList</B>
<DT>
<IMG ALT="o" SRC=icon2.gif>typedef unsigned int <B>NodeMask</B>
<DT>
<IMG ALT="o" SRC=icon2.gif>typedef std::vector&lt;std::string&gt; <B>DescriptionList</B>
</DL></P>
<P><DL>
<DT><H3>Protected Fields</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif>mutable <!1><A HREF="BoundingSphere.html">BoundingSphere</A> <B>_bsphere</B>
<DT>
<IMG ALT="o" SRC=icon2.gif>mutable bool <B>_bsphere_computed</B>
<DT>
<IMG ALT="o" SRC=icon2.gif>std::string <B>_name</B>
<DT>
<IMG ALT="o" SRC=icon2.gif><!1><A HREF="Node.html#DOC.2.94.18">ParentList</A> <B>_parents</B>
<DT>
<IMG ALT="o" SRC=icon2.gif><!1><A HREF="ref_ptr.html">ref_ptr</A>&lt;<!1><A HREF="NodeCallback.html">NodeCallback</A>&gt; <B>_updateCallback</B>
<DT>
<IMG ALT="o" SRC=icon2.gif>unsigned int <B>_numChildrenRequiringUpdateTraversal</B>
<DT>
<IMG ALT="o" SRC=icon2.gif><!1><A HREF="ref_ptr.html">ref_ptr</A>&lt;<!1><A HREF="NodeCallback.html">NodeCallback</A>&gt; <B>_cullCallback</B>
<DT>
<IMG ALT="o" SRC=icon2.gif>bool <B>_cullingActive</B>
<DT>
<IMG ALT="o" SRC=icon2.gif>unsigned int <B>_numChildrenWithCullingDisabled</B>
<DT>
<IMG ALT="o" SRC=icon2.gif>unsigned int <B>_numChildrenWithOccluderNodes</B>
<DT>
<IMG ALT="o" SRC=icon2.gif><!1><A HREF="Node.html#DOC.2.94.40">NodeMask</A> <B>_nodeMask</B>
<DT>
<IMG ALT="o" SRC=icon2.gif><!1><A HREF="Node.html#DOC.2.94.43">DescriptionList</A> <B>_descriptions</B>
<DT>
<IMG ALT="o" SRC=icon2.gif><!1><A HREF="ref_ptr.html">ref_ptr</A>&lt;<!1><A HREF="StateSet.html">StateSet</A>&gt; <B>_stateset</B>
</DL></P>
<P><DL>
<DT><H3>Protected Methods</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif>void <B>addParent</B>(<!1><A HREF="Group.html">osg::Group</A>* node)
<DT>
<IMG ALT="o" SRC=icon2.gif>void <B>removeParent</B>(<!1><A HREF="Group.html">osg::Group</A>* node)
<DT>
<IMG ALT="o" SRC=icon2.gif>void <B>setNumChildrenRequiringUpdateTraversal</B>(unsigned int num)
<DT>
<IMG ALT="o" SRC=icon2.gif>void <B>setNumChildrenWithCullingDisabled</B>(unsigned int num)
<DT>
<IMG ALT="o" SRC=icon2.gif>void <B>setNumChildrenWithOccluderNodes</B>(unsigned int num)
</DL></P>
</DL>
<HR><H3>Inherited from <A HREF="Object.html">Object</A>:</H3>
<DL>
<P><DL>
<DT><H3>Public Methods</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif>inline void <B>setDataVariance</B>(<!1><A HREF="Object.html#DOC.2.111.8">DataVariance</A> dv)
<DT>
<IMG ALT="o" SRC=icon2.gif>inline <!1><A HREF="Object.html#DOC.2.111.8">DataVariance</A> <B>getDataVariance</B>() const
<DT>
<IMG ALT="o" SRC=icon2.gif>inline void <B>setUserData</B>(<!1><A HREF="Referenced.html">Referenced</A>* obj)
<DT>
<IMG ALT="o" SRC=icon2.gif>inline <!1><A HREF="Referenced.html">Referenced</A>* <B>getUserData</B>()
<DT>
<IMG ALT="o" SRC=icon2.gif>inline const <!1><A HREF="Referenced.html">Referenced</A>* <B>getUserData</B>() const
</DL></P>
<P><DL>
<DT><H3>Public Members</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif>enum <B>DataVariance</B>
</DL></P>
<P><DL>
<DT><H3>Protected Fields</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif><!1><A HREF="Object.html#DOC.2.111.8">DataVariance</A> <B>_dataVariance</B>
<DT>
<IMG ALT="o" SRC=icon2.gif><!1><A HREF="ref_ptr.html">ref_ptr</A>&lt;<!1><A HREF="Referenced.html">Referenced</A>&gt; <B>_userData</B>
</DL></P>
</DL>
<HR><H3>Inherited from <A HREF="Referenced.html">Referenced</A>:</H3>
<DL>
<P><DL>
<DT><H3>Public Methods</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif>inline <!1><A HREF="Referenced.html">Referenced</A>&amp; <B>operator = </B>(<!1><A HREF="Referenced.html">Referenced</A>&amp;)
<DT>
<IMG ALT="o" SRC=icon2.gif>static void <B>setDeleteHandler</B>(<!1><A HREF="DeleteHandler.html">DeleteHandler</A>* handler)
<DT>
<IMG ALT="o" SRC=icon2.gif>static <!1><A HREF="DeleteHandler.html">DeleteHandler</A>* <B>getDeleteHandler</B>()
<DT>
<IMG ALT="o" SRC=icon2.gif>inline void <B>ref</B>() const
<DT>
<IMG ALT="o" SRC=icon2.gif>inline void <B>unref_nodelete</B>() const
<DT>
<IMG ALT="o" SRC=icon2.gif>inline int <B>referenceCount</B>() const
<DT>
<IMG ALT="o" SRC=icon2.gif>inline void <B>unref</B>() const
</DL></P>
<P><DL>
<DT><H3>Protected Fields</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif>mutable int <B>_refCount</B>
</DL></P>
</DL>
<A NAME="DOC.DOCU"></A>
<HR>
<H2>Documentation</H2>
<BLOCKQUOTE>General group node which maintains a list of children.
Children are reference counted. This allows children to be shared
with memory management handled automatically via osg::Referenced.</BLOCKQUOTE>
<DL>
<A NAME="ChildList"></A>
<A NAME="DOC.2.72.1"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>typedef std::vector&lt;<!1><A HREF="ref_ptr.html">ref_ptr</A>&lt;<!1><A HREF="Node.html">Node</A>&gt; &gt; ChildList</B></TT>
<DL><DT><DD></DL><P>
<A NAME="Group"></A>
<A NAME="DOC.2.72.2"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> Group()</B></TT>
<DL><DT><DD></DL><P>
<A NAME="Group"></A>
<A NAME="DOC.2.72.3"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> Group(const <!1><A HREF="Group.html#DOC.2.72.3">Group</A>&amp;, const <!1><A HREF="CopyOp.html">CopyOp</A>&amp; copyop=CopyOp::SHALLOW_COPY)</B></TT>
<DD>Copy constructor using CopyOp to manage deep vs shallow copy
<DL><DT><DD></DL><P>
<A NAME="META_Node"></A>
<A NAME="DOC.2.72.4"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> META_Node(<!1><A HREF="osg.html">osg</A>, <!1><A HREF="Group.html">Group</A>)</B></TT>
<DL><DT><DD></DL><P>
<A NAME="asGroup"></A>
<A NAME="DOC.2.72.5"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>virtual <!1><A HREF="Group.html">Group</A>* asGroup()</B></TT>
<DL><DT><DD></DL><P>
<A NAME="asGroup"></A>
<A NAME="DOC.2.72.6"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>virtual const <!1><A HREF="Group.html">Group</A>* asGroup() const </B></TT>
<DL><DT><DD></DL><P>
<A NAME="traverse"></A>
<A NAME="DOC.2.72.7"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>virtual void traverse(<!1><A HREF="NodeVisitor.html">NodeVisitor</A>&amp; nv)</B></TT>
<DL><DT><DD></DL><P>
<A NAME="addChild"></A>
<A NAME="DOC.2.72.8"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>virtual bool addChild( <!1><A HREF="Node.html">Node</A>* child )</B></TT>
<DD>Add Node to Group.
If node is not NULL and is not contained in Group then increment its
reference count, add it to the child list and dirty the bounding
sphere to force it to recompute on next getBound() and return true for success.
Otherwise return false. Scene nodes can't be added as child nodes.
<DL><DT><DD></DL><P>
<A NAME="removeChild"></A>
<A NAME="DOC.2.72.9"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>virtual bool removeChild( <!1><A HREF="Node.html">Node</A>* child )</B></TT>
<DD>Remove Node from Group.
If Node is contained in Group then remove it from the child
list, decrement its reference count, and dirty the
bounding sphere to force it to recompute on next getBound() and
return true for success. If Node is not found then return false
and do not change the reference count of the Node.
<DL><DT><DD></DL><P>
<A NAME="removeChild"></A>
<A NAME="DOC.2.72.10"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>virtual bool removeChild(unsigned int pos, unsigned int numChildrenToRemove=1)</B></TT>
<DL><DT><DD></DL><P>
<A NAME="replaceChild"></A>
<A NAME="DOC.2.72.11"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>virtual bool replaceChild( <!1><A HREF="Node.html">Node</A>* origChild, <!1><A HREF="Node.html">Node</A>* newChild )</B></TT>
<DD>Replace specified Node with another Node.
Equivalent to setChild(getChildIndex(orignChild),node),
see docs for setChild for futher details on implementation.
<DL><DT><DD></DL><P>
<A NAME="getNumChildren"></A>
<A NAME="DOC.2.72.12"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>inline unsigned int getNumChildren() const </B></TT>
<DD>return the number of chilren nodes
<DL><DT><DD></DL><P>
<A NAME="setChild"></A>
<A NAME="DOC.2.72.13"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>virtual bool setChild( unsigned int i, <!1><A HREF="Node.html">Node</A>* node )</B></TT>
<DD>set child node at position i.
return true if set correctly, false on failure (if node==NULL || i is out of range).
When set can be successful applied, the algorithm is : decrement the reference count origNode and increments the
reference count of newNode, and dirty the bounding sphere
to force it to recompute on next getBound() and returns true.
If origNode is not found then return false and do not
add newNode. If newNode is NULL then return false and do
not remove origNode. Also returns false if newChild is a Scene node.
<DL><DT><DD></DL><P>
<A NAME="getChild"></A>
<A NAME="DOC.2.72.14"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>inline <!1><A HREF="Node.html">Node</A>* getChild( unsigned int i )</B></TT>
<DD>return child node at position i
<DL><DT><DD></DL><P>
<A NAME="getChild"></A>
<A NAME="DOC.2.72.15"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>inline const <!1><A HREF="Node.html">Node</A>* getChild( unsigned int i ) const </B></TT>
<DD>return child node at position i
<DL><DT><DD></DL><P>
<A NAME="containsNode"></A>
<A NAME="DOC.2.72.16"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>inline bool containsNode( const <!1><A HREF="Node.html">Node</A>* node ) const </B></TT>
<DD>return true if node is contained within Group
<DL><DT><DD></DL><P>
<A NAME="getChildIndex"></A>
<A NAME="DOC.2.72.17"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>inline unsigned int getChildIndex( const <!1><A HREF="Node.html">Node</A>* node ) const </B></TT>
<DD>Get the index number of child, return a value between
0 and _childrensize()-1 if found, if not found then
return _childrensize()
<DL><DT><DD></DL><P>
<A NAME="~Group"></A>
<A NAME="DOC.2.72.18"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>virtual ~Group()</B></TT>
<DL><DT><DD></DL><P>
<A NAME="computeBound"></A>
<A NAME="DOC.2.72.19"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>virtual bool computeBound() const </B></TT>
<DL><DT><DD></DL><P>
<A NAME="_children"></A>
<A NAME="DOC.2.72.20"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B><!1><A HREF="Group.html#DOC.2.72.1">ChildList</A> _children</B></TT>
<DL><DT><DD></DL><P></DL>
<HR>
<DL><DT><B>Direct child classes:
</B><DD><A HREF="Transform.html">Transform</A><BR>
<A HREF="Switch.html">Switch</A><BR>
<A HREF="Sequence.html">Sequence</A><BR>
<A HREF="Projection.html">Projection</A><BR>
<A HREF="OccluderNode.html">OccluderNode</A><BR>
<A HREF="LightSource.html">LightSource</A><BR>
<A HREF="LOD.html">LOD</A><BR>
<A HREF="ClipNode.html">ClipNode</A><BR>
<A HREF="ClearNode.html">ClearNode</A><BR>
</DL>
<DL><DT><DD></DL><P><P><I><A HREF="index.html">Alphabetic index</A></I> <I><A HREF="HIER.html">HTML hierarchy of classes</A> or <A HREF="HIERjava.html">Java</A></I></P><HR>
<BR>
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