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								  SbBox2f(3IV)

NAME
     SbBox2f (SbBox2f) - 2D box class

INHERITS FROM
     SbBox2f

SYNOPSIS
     #include <Inventor_c/SbBox.h>

	  Functions from class SbBox2f:

     SbBox2f *		 SbBox2fCreate()
     SbBox2f *		 SbBox2fCreateBounds(float xmin, float ymin, float
			      xmax float ymax)
     SbBox2f *		 SbBox2fCreateMinMax(const SbVec2f *min, const SbVec2f
			      *max)
     voidvoid		 SbBox2fDelete(SbBox2f *this)
     const SbVec2f *	 SbBox2fGetMin(SbBox2f *this)
     const SbVec2f *	 SbBox2fGetMax(SbBox2f *this)
     SbVec2f		 SbBox2fGetCenter(SbBox2f *this)
     void		 SbBox2fExtendByPt(SbBox2f *this, const SbVec2f
			      *point)
     void		 SbBox2fExtendByBox(SbBox2f *this, const SbBox2f *box)
     SbBool		 SbBox2fIntersectPt(SbBox2f *this, const SbVec2f
			      *point)
     SbBool		 SbBox2fIntersectBox(SbBox2f *this, const SbBox2f
			      *box)
     void		 SbBox2fSetBounds(SbBox2f *this, float xmin, float
			      ymin, float xmax, float ymax)
     void		 SbBox2fSetBoundsMinMax(SbBox2f *this, const SbVec2f
			      *min, const SbVec2f *max)
     void		 SbBox2fGetBounds(SbBox2f *this, float *xmin, float
			      *ymin, float *xmax, float *ymax)
     void		 SbBox2fGetBoundsMinMax(SbBox2f *this, SbVec2f *min,
			      SbVec2f *max)
     void		 SbBox2fGetOrigin(SbBox2f *this, float *x0, float *y0)
     void		 SbBox2fGetSize(SbBox2f *this, float *x, float *y)
     float		 SbBox2fGetAspectRatio(SbBox2f *this)
     void		 SbBox2fMakeEmpty(SbBox2f *this)
     SbBool		 SbBox2fIsEmpty(SbBox2f *this)
     SbBool		 SbBox2fHasArea(SbBox2f *this)

DESCRIPTION
     2D box which has planes parallel to the major axes and is specified by
     two points (specified as floating point) on a diagonal. This class is
     part of the standard Inventor datatype classes and is used as input and
     output to geometry operations.

FUNCTIONS
     SbBox2f *		 SbBox2fCreate()

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SbBox2f(3IV)

     SbBox2f *		 SbBox2fCreateBounds(float xmin, float ymin, float
			      xmax float ymax)
     SbBox2f *		 SbBox2fCreateMinMax(const SbVec2f *min, const SbVec2f
			      *max)
     voidvoid		 SbBox2fDelete(SbBox2f *this)
	  Constructors and destructor for a 2D float box. xmin, ymin, xmax,
	  and ymax are the bounds of the box. min and max are the corners of
	  the diagonal that define the box.

     const SbVec2f *	 SbBox2fGetMin(SbBox2f *this)
     const SbVec2f *	 SbBox2fGetMax(SbBox2f *this)
	  Returns the minimum and maximum points of the box.

     SbVec2f		 SbBox2fGetCenter(SbBox2f *this)
	  Returns the center of the box.

     void		 SbBox2fExtendByPt(SbBox2f *this, const SbVec2f
			      *point)
     void		 SbBox2fExtendByBox(SbBox2f *this, const SbBox2f *box)
	  Extends this box (if necessary) to contain the specified point or
	  other box.

     SbBool		 SbBox2fIntersectPt(SbBox2f *this, const SbVec2f
			      *point)
     SbBool		 SbBox2fIntersectBox(SbBox2f *this, const SbBox2f
			      *box)
	  Returns TRUE if the specified point or box intersects this box.

     void		 SbBox2fSetBounds(SbBox2f *this, float xmin, float
			      ymin, float xmax, float ymax)
     void		 SbBox2fSetBoundsMinMax(SbBox2f *this, const SbVec2f
			      *min, const SbVec2f *max)
	  Sets the corners of the box.

     void		 SbBox2fGetBounds(SbBox2f *this, float *xmin, float
			      *ymin, float *xmax, float *ymax)
     void		 SbBox2fGetBoundsMinMax(SbBox2f *this, SbVec2f *min,
			      SbVec2f *max)
	  Gets the corners of the box.

     void		 SbBox2fGetOrigin(SbBox2f *this, float *x0, float *y0)
	  Gets box origin.

     void		 SbBox2fGetSize(SbBox2f *this, float *x, float *y)
	  Gets box size.

     float		 SbBox2fGetAspectRatio(SbBox2f *this)
	  Gets box aspect ratio.

     void		 SbBox2fMakeEmpty(SbBox2f *this)
	  Makes an empty box.

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								  SbBox2f(3IV)

     SbBool		 SbBox2fIsEmpty(SbBox2f *this)
	  Returns TRUE if the box is empty, and FALSE otherwise.

     SbBool		 SbBox2fHasArea(SbBox2f *this)
	  Returns TRUE if both dimensions of the box have positive size, and
	  FALSE otherwise.

FILE FORMAT/DEFAULTS
     Box2f {
     }

SEE ALSO
     SbBox3f, SbXfBox3f, SbBox2s, SbVec3f, SbVec2f, SbVec2s, SbMatrix

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