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NAME

       SoSFNode — field containing a pointer to a node

INHERITS FROM

       SoField > SoSField > SoSFNode

SYNOPSIS

       #include <Inventor/fields/SoSFNode.h>

          Methods from class SoSFNode:

     static SoType       getClassTypeId()
     virtual void        getTypeId() const
     SoNode *            getValue() const
     SoNode *            operator =(SoNode * newValue)
     void                setValue(SoNode * newValue)
     int                 operator ==(const SoSFNode &f) const
     int                 operator !=(const SoSFNode &f) const

          Methods from class SoField:

     void                setIgnored(SbBool ignore)
     SbBool              isIgnored() const
     SbBool              isDefault() const
     virtual SbBool      isOfType(SoType type) const
     SbBool              set(const char *valueString)
     void                get(SbString &valueString)
     void                touch()
     SbBool              connectFrom(SoField *fromField)
     SbBool              connectFrom(SoEngineOutput *fromEngine)
     void                disconnect()
     SbBool              isConnected() const
     SbBool              isConnectedFromField() const
     SbBool              getConnectedField(SoField *&writingField) const
     SbBool              isConnectedFromEngine() const
     SbBool              getConnectedEngine(SoEngineOutput *&engineOutput) const
     void                enableConnection(SbBool flag)
     SbBool              isConnectionEnabled() const
     int                 getForwardConnections(SoFieldList &list) const
     SoFieldContainer *  getContainer() const

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.

METHODS

     static SoType       getClassTypeId()
     virtual void        getTypeId() const
          Returns the type for this class or a particular object of this class.

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

     SoNode *            operator =(SoNode * newValue)
     void                setValue(SoNode * newValue)
          Sets this field to newValue.

     int                 operator ==(const SoSFNode &f) const
     int                 operator !=(const SoSFNode &f) const
          Returns TRUE if f is of the same type and has the same value as this field.

SEE ALSO

       SoField, SoSField, SoMFNode, SoNode

                                                                                  SoSFNode(3IV)()