NAME

       SbSpherePlaneProjector -

       The SbSpherePlaneProjector class projects 2D points to a half-sphere and a plane.

       This projector uses a plane along with the half-sphere of SbSphereSectionProjector for
       projections. If the 2D point mapping 'misses' the sphere section, the 3D point will be
       projected onto the plane.

SYNOPSIS

       #include <Inventor/projectors/SbSpherePlaneProjector.h>

       Inherits SbSphereSectionProjector.

   Public Member Functions
       SbSpherePlaneProjector (const float edgetol=0.9f, const SbBool orienttoeye=TRUE)
       SbSpherePlaneProjector (const SbSphere &sph, const float edgetol=0.9f, const SbBool
           orienttoeye=TRUE)
       virtual SbProjector * copy (void) const
       virtual SbVec3f project (const SbVec2f &point)
       virtual SbRotation getRotation (const SbVec3f &point1, const SbVec3f &point2)

   Protected Member Functions
       SbRotation getRotation (const SbVec3f &point1, const SbBool tol1, const SbVec3f &point2,
           const SbBool tol2)

   Additional Inherited Members

Detailed Description

       The SbSpherePlaneProjector class projects 2D points to a half-sphere and a plane.

       This projector uses a plane along with the half-sphere of SbSphereSectionProjector for
       projections. If the 2D point mapping 'misses' the sphere section, the 3D point will be
       projected onto the plane.

       See Also:
           SbCylinderPlaneProjector

Constructor & Destructor Documentation

   SbSpherePlaneProjector::SbSpherePlaneProjector (const floatedgetol = 0.9f, const
       SbBoolorienttoeye = TRUE)
       Default constructor. See SbSphereSectionProjector::SbSphereSectionProjector().

   SbSpherePlaneProjector::SbSpherePlaneProjector (const SbSphere &sph, const floatedgetol =
       0.9f, const SbBoolorienttoeye = TRUE)
       Constructor with explicit specification of projection sphere.

Member Function Documentation

   SbProjector * SbSpherePlaneProjector::copy (void) const [virtual]
       Construct and return a copy of this projector. The caller is responsible for destructing
       the new instance.

       Note that if the Coin library has been built as a DLL under Microsoft Windows and you use
       this method from application code, you must make sure that both the Coin DLL and the
       application executable is using the same instance of a C Run-Time (CRT) library.
       Otherwise, you will get memory heap corruption upon deallocating the returned instances,
       eventually leading to mysterious crashes.

       Reimplemented from SbSphereSectionProjector.

   SbVec3f SbSpherePlaneProjector::project (const SbVec2f &point) [virtual]
       Project the 2D point from normalized viewport coordinates to a 3D point. The mapping will
       be done in accordance with the type of the projector.

       Reimplemented from SbSphereSectionProjector.

   SbRotation SbSpherePlaneProjector::getRotation (const SbVec3f &point1, const SbVec3f &point2)
       [virtual]
       Returns rotation on the projection surface which re-orients point1 to point2.

       Reimplemented from SbSphereSectionProjector.

   SbRotation SbSpherePlaneProjector::getRotation (const SbVec3f &point1, const SbBooltol1, const
       SbVec3f &point2, const SbBooltol2) [protected]
       Calculates rotation from point1 to point2, with tol1 and tol2 deciding whether or not to
       use the tolerance setting.

Author

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