NAME
SbCylinderSheetProjector -
The SbCylinderSheetProjector class projects 2D points to 3D points on a
sheet covering a cylindrical shape.
SYNOPSIS
#include <Inventor/projectors/SbCylinderSheetProjector.h>
Inherits SbCylinderProjector.
Public Member Functions
SbCylinderSheetProjector (const SbBool orienttoeye=1)
SbCylinderSheetProjector (const SbCylinder &cyl, const SbBool
orienttoeye=1)
virtual SbProjector * copy (void) const
virtual SbVec3f project (const SbVec2f &point)
virtual SbRotation getRotation (const SbVec3f &point1, const SbVec3f
&point2)
Protected Member Functions
virtual void setupPlane (void)
Protected Attributes
SbVec3f workingProjPoint
SbVec3f planeDir
SbPlane tolPlane
Detailed Description
The SbCylinderSheetProjector class projects 2D points to 3D points on a
sheet covering a cylindrical shape.
Constructor & Destructor Documentation
SbCylinderSheetProjector::SbCylinderSheetProjector (const SbBool
orienttoeye = 1) Constructor. Uses default cylinder defintion, see
SbCylinderProjector::SbCylinderProjector().
orienttoeye decides whether or not the cylinder and sheet should always
be oriented towards the viewer.
SbCylinderSheetProjector::SbCylinderSheetProjector (const SbCylinder & cyl,
const SbBool orienttoeye = 1) Constructor with explicit definition of
projection cylinder.
Member Function Documentation
SbProjector * SbCylinderSheetProjector::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.
Implements SbProjector.
SbVec3f SbCylinderSheetProjector::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.
Implements SbCylinderProjector.
SbRotation SbCylinderSheetProjector::getRotation (const SbVec3f & point1,
const SbVec3f & point2) [virtual] Returns rotation on the projection
surface which re-orients point1 to point2.
Implements SbCylinderProjector.
void SbCylinderSheetProjector::setupPlane (void) [protected, virtual]
Recalculates projection surface settings after changes to the
parameters.
Member Data Documentation
SbCylinderSheetProjector::workingProjPoint [protected] Last projected
point, in the working space coordinate system.
SbCylinderSheetProjector::planeDir [protected] Normal vector of the plane
defining the orientation of the sheet.
SbCylinderSheetProjector::tolPlane [protected] The tolerance value
specifying how much of the cylinder is ’above’ the sheet.
Author
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