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						     SoComputeBoundingBox(3IV)

NAME
     SoComputeBoundingBox (SoComputeBBox) - computes the bounding box and
     center of a scene graph

INHERITS FROM
     SoBase > SoFieldContainer > SoEngine > SoComputeBoundingBox

SYNOPSIS
     #include <Inventor_c/engines/SoComputeBoundingBox.h>

     typedef SoComputeBoundingBox
			 SoComputeBBox

	  Inputs from class SoComputeBoundingBox:

     SoSFNode		 node
     SoSFPath		 path

	  Outputs from class SoComputeBoundingBox:

     (SoSFVec3f)	 min
     (SoSFVec3f)	 max
     (SoSFVec3f)	 boxCenter
     (SoSFVec3f)	 objectCenter

	  Functions from class SoComputeBoundingBox:

     SoComputeBoundingBox *    SoComputeBBoxCreate()
     void		       SoComputeBBoxSetVPReg(SoComputeBBox *this,
				    const SbViewportRegion *vpReg);
     const SbViewportRegion *  SoComputeBBoxGetVPReg(SoComputeBBox *this);

	  Functions from class SoEngine:

     SoType		 SoComputeBBoxGetTypeId()
     int		 SoComputeBBoxGetOuts(const SoComputeBBox *this,
			      SoEngineOutputList *list)
     SoEngineOutput *	 SoComputeBBoxGetOut(const SoComputeBBox *this, const
			      char *outputName)
     SbBool		 SoComputeBBoxGetOutName(const SoComputeBBox *this,
			      const SoEngineOutput *output, SbName
			      *outputName)
     SoEngine *		 SoComputeBBoxCopy(const SoComputeBBox *this)
     SoEngine *		 SoComputeBBoxGetByName(const char *name)
     int		 SoComputeBBoxGetByNameList(const char *name,
			      SoEngineList *list)

	  Functions from class SoFieldContainer:

     SoType		 SoComputeBBoxGetClassTypeId()
     void		 SoComputeBBoxSetToDflts(SoComputeBBox *this)

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SoComputeBoundingBox(3IV)

     SbBool		 SoComputeBBoxHasDfltVals(const SoComputeBBox *this)
     SbBool		 SoComputeBBoxFldsAreEq(const SoComputeBBox *this,
			      const SoFieldContainer *fc)
     void		 SoComputeBBoxCopyFieldVals(SoComputeBBox *this, const
			      SoFieldContainer *fc, SbBool copyConnections =
			      FALSE)
     SbBool		 SoComputeBBoxSet(SoComputeBBox *this, const char
			      *fieldDataString)
     void		 SoComputeBBoxGet(SoComputeBBox *this, SbString
			      *fieldDataString)
     int		 SoComputeBBoxGetFields(const SoComputeBBox *this,
			      SoFieldList *resultList)
     SoField *		 SoComputeBBoxGetField(const SoComputeBBox *this,
			      const char *fieldName)
     SbBool		 SoComputeBBoxGetFieldName(const SoComputeBBox *this,
			      const SoField *field, SbName *fieldName)
     SbBool		 SoComputeBBoxIsNotifyEnabled(const SoComputeBBox
			      *this)
     SbBool		 SoComputeBBoxEnableNotify(SoComputeBBox *this, SbBool
			      flag)

	  Functions from class SoBase:

     void		 SoComputeBBoxRef(SoComputeBBox *this)
     void		 SoComputeBBoxUnref(const SoComputeBBox *this)
     void		 SoComputeBBoxUnrefNoDelete(const SoComputeBBox *this)
     void		 SoComputeBBoxTouch(SoComputeBBox *this)
     SbBool		 SoComputeBBoxIsOfType(const SoComputeBBox *this,
			      SoType type)
     void		 SoComputeBBoxSetName(SoComputeBBox *this, const char
			      *name)
     SbName		 SoComputeBBoxGetName(const SoComputeBBox *this)

DESCRIPTION
     This engine computes the bounding box and center of a scene graph. The
     scene graph can be defined by a path or by a root node.

     If the path input is not NULL, the bounding box of the graph defined by
     the path will be computed. If path is NULL, but the node input is not
     NULL, the bounding box is computed on the graph rooted by the node. By
     default, the two inputs are NULL. If both the inputs are NULL, the
     outputs are disabled.

     The engine uses a default viewport region. If the graph includes screen-
     based objects (such as SoText2) you can call  SoComputeBBoxSetVPReg() on
     the engine instance to set up the correct viewport region to use.

INPUTS
     SoSFNode		 node
	  Defines the graph for which the bounding box is computed.

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						     SoComputeBoundingBox(3IV)

     SoSFPath		 path
	  Alternatively, defines the graph for which the bounding box is
	  computed.

OUTPUTS
     (SoSFVec3f)	 min
	  Minimum point of the computed bounding box.

     (SoSFVec3f)	 max
	  Maximum point of the computed bounding box.

     (SoSFVec3f)	 boxCenter
	  Center of the computed bounding box.

     (SoSFVec3f)	 objectCenter
	  Center of the objects in the graph.

FUNCTIONS
     SoComputeBoundingBox *    SoComputeBBoxCreate()
	  Constructor

     void		       SoComputeBBoxSetVPReg(SoComputeBBox *this,
				    const SbViewportRegion *vpReg);
	  Sets the viewport region to use for the bounding box computation.

     const SbViewportRegion *  SoComputeBBoxGetVPReg(SoComputeBBox *this);
	  Returns the viewport region to use for the bounding box computation.

FILE FORMAT/DEFAULTS
     ComputeBoundingBox {
	  node	NULL
	  path	NULL
     }

SEE ALSO
     SoEngineOutput, SoGetBoundingBoxAction, SbBox3f

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