NAME

       SbPlane — oriented plane in 3D

INHERITS FROM

       SbPlane

SYNOPSIS

       #include <Inventor/SbLinear.h>

          Methods from class SbPlane:

                         SbPlane()
                         SbPlane(const SbVec3f &p0, const SbVec3f &p1, const SbVec3f &p2)
                         SbPlane(const SbVec3f &normal, float distance)
                         SbPlane(const SbVec3f &normal, const SbVec3f &point)
     void                offset(float d)
     SbBool              intersect(const SbLine &l, SbVec3f &intersection) const
     void                transform(const SbMatrix &matrix)
     SbBool              isInHalfSpace(const SbVec3f &point) const
     const SbVec3f &     getNormal() const
     float               getDistanceFromOrigin() const
     int                 operator ==(const SbPlane &p1, const SbPlane &p2)
     int                 operator !=(const SbPlane &p1, const SbPlane &p2)

DESCRIPTION

       Represents  an oriented plane in 3D. This is a lightweight class/datatype that is used for
       arguments to some Inventor objects.

METHODS

                         SbPlane()
                         SbPlane(const SbVec3f &p0, const SbVec3f &p1, const SbVec3f &p2)
                         SbPlane(const SbVec3f &normal, float distance)
                         SbPlane(const SbVec3f &normal, const SbVec3f &point)
          Constructors. p0, p1, and p2 represent three points in the plane. normal  is  a  normal
          vector,  distance  is distance from origin to plane along normal vector, and point is a
          point in 3-space for the plane to pass through.

     void                offset(float d)
          Offset a plane by a given distance.

     SbBool              intersect(const SbLine &l, SbVec3f &intersection) const
          Intersect line and plane, returning TRUE if there is an intersection, FALSE if line  is
          parallel to plane.

     void                transform(const SbMatrix &matrix)
          Transforms the plane by the given matrix.

     SbBool              isInHalfSpace(const SbVec3f &point) const
          Returns TRUE if the given point is within the half-space defined by the plane.

     const SbVec3f &     getNormal() const
          Returns normal vector to plane.

     float               getDistanceFromOrigin() const
          Returns distance from origin to plane.

     int                 operator ==(const SbPlane &p1, const SbPlane &p2)
     int                 operator !=(const SbPlane &p1, const SbPlane &p2)
          Equality/inequality comparison operators.

SEE ALSO

       SbVec3f, SbLine

                                                                                   SbPlane(3IV)()