'\"! tbl | mmdoc '\"macro stdmacro .ie n \{\ . ds Cr \fB . ds Cb \fB .\} .el \{\ . ds Cr \f7 . ds Cb \f8 .\} .TH SbPlane(3IV) .SH NAME SbPlane \(em oriented plane in 3D .SH INHERITS FROM SbPlane .SH SYNOPSIS .ps -1 \*(Cr#include .sp .in 1i \f1Methods from class SbPlane: .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\ \} \*(CbSbPlane\*(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\ \} \*(CbSbPlane\*(Cr(const SbVec3f &p0, const SbVec3f &p1, const SbVec3f &p2) .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\ \} \*(CbSbPlane\*(Cr(const SbVec3f &normal, float distance) .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\ \} \*(CbSbPlane\*(Cr(const SbVec3f &normal, const SbVec3f &point) .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\ \} \*(Cboffset\*(Cr(float d) .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\ \} \*(Cbintersect\*(Cr(const SbLine &l, SbVec3f &intersection) const .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\ \} \*(Cbtransform\*(Cr(const SbMatrix &matrix) .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\ \} \*(CbisInHalfSpace\*(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\ \} \*(CbgetNormal\*(Cr() const .br .in 1i+20n .ti 0.5i .ta 20m .ds Pt \*(Crfloat .ie \w'\*(Pt'>=20n \{\ .ne 3 \*(Pt .ti 0.5i \c\ \} .el\{\ .ne 2 \*(Pt \c\ \} \*(CbgetDistanceFromOrigin\*(Cr() const .br .in 1i+20n .ti 0.5i .ta 20m .ds Pt \*(Crint .ie \w'\*(Pt'>=20n \{\ .ne 3 \*(Pt .ti 0.5i \c\ \} .el\{\ .ne 2 \*(Pt \c\ \} \*(Cboperator ==\*(Cr(const SbPlane &p1, const SbPlane &p2) .br .in 1i+20n .ti 0.5i .ta 20m .ds Pt \*(Crint .ie \w'\*(Pt'>=20n \{\ .ne 3 \*(Pt .ti 0.5i \c\ \} .el\{\ .ne 2 \*(Pt \c\ \} \*(Cboperator !=\*(Cr(const SbPlane &p1, const SbPlane &p2) .sp .SH DESCRIPTION Represents an oriented plane in 3D. This is a lightweight class/datatype that is used for arguments to some Inventor objects. .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\ \} \*(CbSbPlane\*(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\ \} \*(CbSbPlane\*(Cr(const SbVec3f &p0, const SbVec3f &p1, const SbVec3f &p2) .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\ \} \*(CbSbPlane\*(Cr(const SbVec3f &normal, float distance) .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\ \} \*(CbSbPlane\*(Cr(const SbVec3f &normal, const SbVec3f &point) .br .in 1i \f1Constructors. \*(Crp0\f1, \*(Crp1\f1, and \*(Crp2\f1 represent three points in the plane. \*(Crnormal\f1 is a normal vector, \*(Crdistance\f1 is distance from origin to plane along normal vector, and \*(Crpoint\f1 is a point in 3-space for the plane to pass through. .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\ \} \*(Cboffset\*(Cr(float d) .br .in 1i \f1Offset a plane by a given distance. .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\ \} \*(Cbintersect\*(Cr(const SbLine &l, SbVec3f &intersection) const .br .in 1i \f1Intersect line and plane, returning TRUE if there is an intersection, FALSE if line is parallel to plane. .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\ \} \*(Cbtransform\*(Cr(const SbMatrix &matrix) .br .in 1i \f1Transforms the plane by the given matrix. .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\ \} \*(CbisInHalfSpace\*(Cr(const SbVec3f &point) const .br .in 1i \f1Returns TRUE if the given point is within the half-space defined by the plane. .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\ \} \*(CbgetNormal\*(Cr() const .br .in 1i \f1Returns normal vector to plane. .sp .in 0.5i .in 1i+20n .ti 0.5i .ta 20m .ds Pt \*(Crfloat .ie \w'\*(Pt'>=20n \{\ .ne 3 \*(Pt .ti 0.5i \c\ \} .el\{\ .ne 2 \*(Pt \c\ \} \*(CbgetDistanceFromOrigin\*(Cr() const .br .in 1i \f1Returns distance from origin to plane. .sp .in 0.5i .in 1i+20n .ti 0.5i .ta 20m .ds Pt \*(Crint .ie \w'\*(Pt'>=20n \{\ .ne 3 \*(Pt .ti 0.5i \c\ \} .el\{\ .ne 2 \*(Pt \c\ \} \*(Cboperator ==\*(Cr(const SbPlane &p1, const SbPlane &p2) .br .in 1i+20n .ti 0.5i .ta 20m .ds Pt \*(Crint .ie \w'\*(Pt'>=20n \{\ .ne 3 \*(Pt .ti 0.5i \c\ \} .el\{\ .ne 2 \*(Pt \c\ \} \*(Cboperator !=\*(Cr(const SbPlane &p1, const SbPlane &p2) .br .in 1i \f1Equality/inequality comparison operators. .sp .in 0.5i .SH SEE ALSO \*(CbSbVec3f, SbLine