SbCylinderProjector(3IV)

NAME
SbCylinderProjector — cylinder projector

INHERITS FROM
SbProjector > SbCylinderProjector

SYNOPSIS
#include <Inventor/projectors/SbCylinderProjector.h>

Methods from class SbCylinderProjector:

~SbCylinderProjector()
SbVec3f
projectAndGetRotation(const SbVec2f &point, SbRotation &rot)
virtual SbRotation
getRotation(const SbVec3f &point1, const SbVec3f &point2)
void
setCylinder(const SbCylinder &cyl)
const SbCylinder &
getCylinder() const
void
setOrientToEye(SbBool orientToEye)
SbBool
isOrientToEye() const
void
setFront(SbBool isFront)
SbBool
isFront() const
SbBool
isPointInFront(const SbVec3f &point) const

Methods from class SbProjector:

virtual SbVec3f
project(const SbVec2f &point)
virtual void
setViewVolume(const SbViewVolume &vol)
const SbViewVolume &
getViewVolume() const
virtual void
setWorkingSpace(const SbMatrix &space)
const SbMatrix &
getWorkingSpace() const
virtual SbProjector *
copy() const

DESCRIPTION
SbCylinderProjector is an abstract base class for projectors that use a cylinder in their projection. The getRotation() method for an SbCylinderProjector will always return a rotation that is about the axis of the cylinder. Cylinder projectors are typically used to write interactive 3D manipulators and viewers.

METHODS

~SbCylinderProjector()
Destructor.

SbVec3f
projectAndGetRotation(const SbVec2f &point, SbRotation &rot)
Apply the projector using the given point, returning the point in three dimensions that it projects to. This also returns in rot a rotation about the axis of the cylinder from the last projected point to this one. The passed point should be normalized (i.e. lie in the range [0.0,1.0]), with (0,0) at the lower-left.

virtual SbRotation
getRotation(const SbVec3f &point1, const SbVec3f &point2)
Get a rotation given two points on this cylinder projector. The rotation will be about the axis of the cylinder.

void
setCylinder(const SbCylinder &cyl)
const SbCylinder &
getCylinder() const
Set and get the cylinder on which to project points. The default cylinder is aligned with the Y axis and has radius 1.0.

void
setOrientToEye(SbBool orientToEye)
SbBool
isOrientToEye() const
Set and get whether the projector should always be oriented towards the eye. Set to FALSE if the tolerance should be evaluated in working space.

void
setFront(SbBool isFront)
SbBool
isFront() const
SbBool
isPointInFront(const SbVec3f &point) const
Set and get whether the projector should intersect the half of the cylinder that faces the eye. Set to FALSE if the projector should intersect with the rear half.

SEE ALSO
SbCylinderPlaneProjector, SbCylinderSectionProjector, SbCylinderSheetProjector, SbLineProjector, SbPlaneProjector, SbSpherePlaneProjector, SbSphereProjector, SbSphereSectionProjector, SbSphereSheetProjector