NAME

       SbLine — directed line in 3D

INHERITS FROM

       SbLine

SYNOPSIS

       #include <Inventor/SbLinear.h>

          Methods from class SbLine:

                         SbLine()
                         SbLine(const SbVec3f &p0, const SbVec3f &p1)
     void                setValue(const SbVec3f &p0, const SbVec3f &p1)
     SbBool              getClosestPoints(const   SbLine   &line2,   SbVec3f  &ptOnThis,  SbVec3f
                              &ptOnLine2 ) const
     SbVec3f             getClosestPoint(const SbVec3f &point) const
     const SbVec3f &     getPosition() const
     const SbVec3f &     getDirection() const

DESCRIPTION

       Represents a directed line in 3D. This is a basic  Inventor  datatype  that  is  used  for
       representing a 3D line. It is used as input and output by a variety of Inventor classes.

METHODS

                         SbLine()
                         SbLine(const SbVec3f &p0, const SbVec3f &p1)
          Constructors.  To  construct a line from a position and direction, use: SbLine(p0, p0 +
          dir). The line is directed from p0 to p1.

     void                setValue(const SbVec3f &p0, const SbVec3f &p1)
          Sets line to pass through points p0 and p1.

     SbBool              getClosestPoints(const  SbLine  &line2,   SbVec3f   &ptOnThis,   SbVec3f
                              &ptOnLine2 ) const
          Finds  the two closest points between this line and line2, and loads them into ptOnThis
          and ptOnLine2. Returns FALSE if the lines are parallel (results undefined), and returns
          TRUE otherwise.

     SbVec3f             getClosestPoint(const SbVec3f &point) const
          Returns the closest point on the line to the given point.

     const SbVec3f &     getPosition() const
     const SbVec3f &     getDirection() const
          Returns position of line origin point and direction vector of line.

SEE ALSO

       SbVec3f, SbPlane

                                                                                    SbLine(3IV)()