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NAME

       SoSFEngine — field containing a pointer to a engine

INHERITS FROM

       SoField > SoSField > SoSFEngine

SYNOPSIS

       #include <Inventor/fields/SoSFEngine.h>

          Methods from class SoSFEngine:

     static SoType       getClassTypeId()
     virtual void        getTypeId() const
     SoEngine *          getValue() const
     SoEngine *          operator =(SoEngine * newValue)
     void                setValue(SoEngine * newValue)
     int                 operator ==(const SoSFEngine &f) const
     int                 operator !=(const SoSFEngine &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  SoEngine  instance,  correctly maintaining its
       reference count.

       SoSFEngines are written to file as the engine they are pointing to. For example:

          mySoSFEngineField ElapsedTime {}

     is an SoSFEngine field named 'mySoSFEngineField', pointing to an  SoElapsedTime  engine.  If
     the engine is used elsewhere, the regular DEF/USE instancing mechanism applies:

          anotherSoSFEngineField USE calculator

     is an SoSFEngine field that points to a engine named 'calculator' 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.

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

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

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

SEE ALSO

       SoField, SoSField, SoMFEngine, SoEngine

                                                                                SoSFEngine(3IV)()