SbSphereSectionProjector — sphere-section projector

SbSphereSectionProjector projects a window space point (usually based on the  mouse  location)  onto  the
       section  of  a  sphere that has been sliced by a plane. Two projected points can produce a rotation about
       the sphere's center.  The tolerance slice can be specified as a fraction of the radius of the sphere. The
       projection point will not extend beyond the sliced portion of the sphere.

       Incremental changes (delta rotation) can be computed during interactive sessions. Sphere  projectors  are
       typically used to write interactive 3D manipulators and viewers.

       SbProjector > SbSphereProjector > SbSphereSectionProjector

SbSphereSectionProjector(floatedgeTol=.9,SbBoolorientToEye=TRUE)SbSphereSectionProjector(constSbSphere&sph,floatedgeTol=.9,SbBoolorientToEye=TRUE)
          Constructors. The first uses a default sphere centered at the origin with radius 1.0;  the  sphere  is
          supplied  in the second. The position of the plane which slices the sphere into a section is specified
          as a fraction of the sphere radius with the parameter edgeTol. A tolerance value of 1.0 positions  the
          plane  down  the center of the sphere. A tolerance value of 0.5 defines the longitudinal plane halfway
          between the center and the outside edge of the sphere. The default value is .9, so  that  almost  half
          the  sphere  is  in  front  of  the  plane.  The orientToEye parameter determines whether the plane is
          perpendicular to the eye, or perpendicular to the sphere's Z axis. Setting that parameter to TRUE (the
          default) specifies that the plane be perpendicular to  the  eye,  which  is  most  often  the  desired
          behavior.

          The default view volume is undefined, and the working space is identity.

                         ~SbSphereSectionProjector()
          Destructor.

     voidsetTolerance(floatedgeTol)floatgetTolerance()const
          Set  and  get  the  edge  tolerance  as  a  fraction  of the radius of the sphere. If this is 1.0, the
          projector is a hemisphere. If this is .1,  the  projector  is  a  slice  of  the  sphere  with  radius
          .1*radius. Default is .9.

     voidsetRadialFactor(floatradialFactor=0.0)floatgetRadialFactor()const
          Set  and  get  the  radial  rotation factor. When the mouse is dragged off the edge of the sphere, the
          mouse motion can be classified as either tangential (moving in a circle around the sphere)  or  radial
          (moving  toward  or  away from the center). The tangential motion will always map to a rotation around
          the center, (like the hands of a clock). The radial motion, by default, has no effect. But if you  set
          the  radialFactor  to be > 0.0, this motion will make the sphere rotate as if the mouse is pulling the
          top of the sphere out toward the mouse. If radialFactor = 1.0, then pulling has a `normal' feel  (that
          is,  the  mouse  motion causes the same amount of rotation as if you had rotated by hitting the actual
          surface of the sphere). Default is 0.0

     SbBoolisWithinTolerance(constSbVec3f&point)
          Find whether this point on the sphere or tolerance plane is within tolerance.

       SbSphereSectionProjector — sphere-section projector

SbCylinderProjector,SbCylinderSectionProjector,SbCylinderPlaneProjector,SbCylinderSheetProjector,SbLineProjector,SbPlaneProjector,SbSpherePlaneProjector,SbSphereSheetProjectorSbSphereSectionProjector(3IV)()

#include<Inventor/projectors/SbSphereSectionProjector.h>

          Methods from class SbSphereSectionProjector:

                         SbSphereSectionProjector(floatedgeTol=.9,SbBoolorientToEye=TRUE)SbSphereSectionProjector(constSbSphere&sph,floatedgeTol=.9,SbBoolorientToEye=TRUE)~SbSphereSectionProjector()voidsetTolerance(floatedgeTol)floatgetTolerance()constvoidsetRadialFactor(floatradialFactor=0.0)floatgetRadialFactor()constSbBoolisWithinTolerance(constSbVec3f&point)

          Methods from class SbSphereProjector:

     SbVec3fprojectAndGetRotation(constSbVec2f&point,SbRotation&rot)virtualSbRotationgetRotation(constSbVec3f&point1,constSbVec3f&point2)voidsetSphere(constSbSphere&sph)constSbSphere&getSphere()constvoidsetOrientToEye(SbBoolorientToEye)SbBoolisOrientToEye()constvoidsetFront(SbBoolisFront)SbBoolisFront()constSbBoolisPointInFront(constSbVec3f&point)const

          Methods from class SbProjector:

     virtualSbVec3fproject(constSbVec2f&point)virtualvoidsetViewVolume(constSbViewVolume&vol)constSbViewVolume&getViewVolume()constvirtualvoidsetWorkingSpace(constSbMatrix&space)constSbMatrix&getWorkingSpace()constvirtualSbProjector*copy()const