'\"! tbl | mmdoc
'\"macro stdmacro
.ie n \{\
.   ds Cr \fB
.   ds Cb \fB
.\}
.el \{\
.   ds Cr \f7
.   ds Cb \f8
.\}
.TH SbLine(3IV)
.SH NAME
SbLine \(em directed line in 3D 
.SH INHERITS FROM
SbLine
.SH SYNOPSIS
.ps -1
\*(Cr#include <Inventor/SbLinear.h>
.sp
.in 1i
\f1Methods from class SbLine:
.in 0.5i
.sp
.ta 20m
.in 1i+20n
.ti 0.5i
.ta 20m
.ds Pt \*(Cr
.ie \w'\*(Pt'>=20n \{\
.ne 3
\*(Pt
.ti 0.5i
	\c\
\}
.el\{\
.ne 2
\*(Pt	\c\
\}
\*(CbSbLine\*(Cr()
.br
.in 1i+20n
.ti 0.5i
.ta 20m
.ds Pt \*(Cr
.ie \w'\*(Pt'>=20n \{\
.ne 3
\*(Pt
.ti 0.5i
	\c\
\}
.el\{\
.ne 2
\*(Pt	\c\
\}
\*(CbSbLine\*(Cr(const SbVec3f &p0, const SbVec3f &p1)
.br
.in 1i+20n
.ti 0.5i
.ta 20m
.ds Pt \*(Crvoid
.ie \w'\*(Pt'>=20n \{\
.ne 3
\*(Pt
.ti 0.5i
	\c\
\}
.el\{\
.ne 2
\*(Pt	\c\
\}
\*(CbsetValue\*(Cr(const SbVec3f &p0, const SbVec3f &p1)
.br
.in 1i+20n
.ti 0.5i
.ta 20m
.ds Pt \*(CrSbBool
.ie \w'\*(Pt'>=20n \{\
.ne 3
\*(Pt
.ti 0.5i
	\c\
\}
.el\{\
.ne 2
\*(Pt	\c\
\}
\*(CbgetClosestPoints\*(Cr(const SbLine &line2, SbVec3f &ptOnThis, SbVec3f &ptOnLine2 ) const
.br
.in 1i+20n
.ti 0.5i
.ta 20m
.ds Pt \*(CrSbVec3f
.ie \w'\*(Pt'>=20n \{\
.ne 3
\*(Pt
.ti 0.5i
	\c\
\}
.el\{\
.ne 2
\*(Pt	\c\
\}
\*(CbgetClosestPoint\*(Cr(const SbVec3f &point) const
.br
.in 1i+20n
.ti 0.5i
.ta 20m
.ds Pt \*(Crconst SbVec3f &
.ie \w'\*(Pt'>=20n \{\
.ne 3
\*(Pt
.ti 0.5i
	\c\
\}
.el\{\
.ne 2
\*(Pt	\c\
\}
\*(CbgetPosition\*(Cr() const
.br
.in 1i+20n
.ti 0.5i
.ta 20m
.ds Pt \*(Crconst SbVec3f &
.ie \w'\*(Pt'>=20n \{\
.ne 3
\*(Pt
.ti 0.5i
	\c\
\}
.el\{\
.ne 2
\*(Pt	\c\
\}
\*(CbgetDirection\*(Cr() const
.sp
.SH 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.  
.SH METHODS
.ta 20m
.in 1i+20n
.ti 0.5i
.ta 20m
.ds Pt \*(Cr
.ie \w'\*(Pt'>=20n \{\
.ne 3
\*(Pt
.ti 0.5i
	\c\
\}
.el\{\
.ne 2
\*(Pt	\c\
\}
\*(CbSbLine\*(Cr()
.br
.in 1i+20n
.ti 0.5i
.ta 20m
.ds Pt \*(Cr
.ie \w'\*(Pt'>=20n \{\
.ne 3
\*(Pt
.ti 0.5i
	\c\
\}
.el\{\
.ne 2
\*(Pt	\c\
\}
\*(CbSbLine\*(Cr(const SbVec3f &p0, const SbVec3f &p1)
.br
.in 1i
\f1Constructors. To construct a line from a position and direction, use: \*(CrSbLine(p0, p0 + dir)\f1. The line is directed from \*(Crp0\f1 to \*(Crp1\f1. 
.sp
.in 0.5i
.in 1i+20n
.ti 0.5i
.ta 20m
.ds Pt \*(Crvoid
.ie \w'\*(Pt'>=20n \{\
.ne 3
\*(Pt
.ti 0.5i
	\c\
\}
.el\{\
.ne 2
\*(Pt	\c\
\}
\*(CbsetValue\*(Cr(const SbVec3f &p0, const SbVec3f &p1)
.br
.in 1i
\f1Sets line to pass through points \*(Crp0\f1 and \*(Crp1\f1. 
.sp
.in 0.5i
.in 1i+20n
.ti 0.5i
.ta 20m
.ds Pt \*(CrSbBool
.ie \w'\*(Pt'>=20n \{\
.ne 3
\*(Pt
.ti 0.5i
	\c\
\}
.el\{\
.ne 2
\*(Pt	\c\
\}
\*(CbgetClosestPoints\*(Cr(const SbLine &line2, SbVec3f &ptOnThis, SbVec3f &ptOnLine2 ) const
.br
.in 1i
\f1Finds the two closest points between this line and \*(Crline2\f1, and loads them into \*(CrptOnThis\f1 and \*(CrptOnLine2\f1. Returns \*(CrFALSE\f1 if the lines are parallel (results undefined), and returns \*(CrTRUE\f1 otherwise. 
.sp
.in 0.5i
.in 1i+20n
.ti 0.5i
.ta 20m
.ds Pt \*(CrSbVec3f
.ie \w'\*(Pt'>=20n \{\
.ne 3
\*(Pt
.ti 0.5i
	\c\
\}
.el\{\
.ne 2
\*(Pt	\c\
\}
\*(CbgetClosestPoint\*(Cr(const SbVec3f &point) const
.br
.in 1i
\f1Returns the closest point on the line to the given point. 
.sp
.in 0.5i
.in 1i+20n
.ti 0.5i
.ta 20m
.ds Pt \*(Crconst SbVec3f &
.ie \w'\*(Pt'>=20n \{\
.ne 3
\*(Pt
.ti 0.5i
	\c\
\}
.el\{\
.ne 2
\*(Pt	\c\
\}
\*(CbgetPosition\*(Cr() const
.br
.in 1i+20n
.ti 0.5i
.ta 20m
.ds Pt \*(Crconst SbVec3f &
.ie \w'\*(Pt'>=20n \{\
.ne 3
\*(Pt
.ti 0.5i
	\c\
\}
.el\{\
.ne 2
\*(Pt	\c\
\}
\*(CbgetDirection\*(Cr() const
.br
.in 1i
\f1Returns position of line origin point and direction vector of line. 
.sp
.in 0.5i
.SH SEE ALSO
\*(CbSbVec3f, SbPlane