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								 SoSFNode(3IV)

NAME
     SoSFNode (SoSNode) - field containing a pointer to a node

INHERITS FROM
     SoField > SoSField > SoSFNode

SYNOPSIS
     #include <Inventor_c/fields/SoSFNode.h>

     typedef SoSFNode	 SoSNode

	  Functions from class SoSFNode:

     SoType		 SoSNodeGetClassTypeId()
     void		 SoSNodeGetTypeId(const SoSNode *this)
     SoNode *		 SoSNodeGet(const SoSNode *this)
     void		 SoSNodeSet(SoSNode *this, SoNode * newValue)
     int		 SoSNodeIsEq(const SoSNode *this, const SoSFNode *f)
     int		 SoSNodeIsNEq(const SoSNode *this, const SoSFNode *f)

	  Functions from class SoField:

     void		 SoSNodeSetIgnored(SoSNode *this, SbBool ignore)
     SbBool		 SoSNodeIsIgnored(const SoSNode *this)
     SbBool		 SoSNodeIsDflt(const SoSNode *this)
     SbBool		 SoSNodeIsOfType(const SoSNode *this, SoType type)
     SbBool		 SoSNodeSetFromStr(SoSNode *this, const char
			      *valueString)
     void		 SoSNodeGetIntoStr(SoSNode *this, SbString
			      *valueString)
     void		 SoSNodeTouch(SoSNode *this)
     SbBool		 SoSNodeConnFromField(SoSNode *this, SoField
			      *fromField)
     SbBool		 SoSNodeConnFrom(SoSNode *this, SoEngineOutput
			      *fromEngine)
     void		 SoSNodeDisconn(SoSNode *this)
     SbBool		 SoSNodeIsConn(const SoSNode *this)
     SbBool		 SoSNodeIsConnFromField(const SoSNode *this)
     SbBool		 SoSNodeGetConnField(const SoSNode *this, SoField
			      **writingField)
     SbBool		 SoSNodeIsConnFromEngine(const SoSNode *this)
     SbBool		 SoSNodeGetConnEngine(const SoSNode *this,
			      SoEngineOutput **engineOutput)
     void		 SoSNodeEnableConn(SoSNode *this, SbBool flag)
     SbBool		 SoSNodeIsConnEnabled(const SoSNode *this)
     int		 SoSNodeGetForwardConn(const SoSNode *this,
			      SoFieldList *list)
     SoFieldContainer *	 SoSNodeGetContainer(const SoSNode *this)

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SoSFNode(3IV)

DESCRIPTION
     This field maintains a pointer to an SoNode instance, correctly
     maintaining its reference count.

     SoSFNodes are written to file as the node they are pointing to. For
     example:

	  mySoSFNodeField Cube {}

     is an SoSFNode field named 'mySoSFNodeField', pointing to an SoCube node.
     If the node is used elsewhere, the regular DEF/USE instancing mechanism
     applies:

	  anotherSoSFNodeField USE topSeparator

     is an SoSFNode field that points to a node named 'topSeparator' that was
     DEF'ed earlier in the scene.

FUNCTIONS
     SoType		 SoSNodeGetClassTypeId()
     void		 SoSNodeGetTypeId(const SoSNode *this)
	  Returns the type for this class or a particular object of this
	  class.

     SoNode *		 SoSNodeGet(const SoSNode *this)
	  Returns this field's value.

     void		 SoSNodeSet(SoSNode *this, SoNode * newValue)
	  Sets this field to newValue.

     int		 SoSNodeIsEq(const SoSNode *this, const SoSFNode *f)
     int		 SoSNodeIsNEq(const SoSNode *this, const SoSFNode *f)
	  Returns TRUE if f is of the same type and has the same value as this
	  field.

SEE ALSO
     SoField, SoSField, SoMFNode, SoNode

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