.TH "SbCylinderSectionProjector" 3 "Tue Jun 23 2026 23:48:38" "Version 4.0.10" "Coin" \" -*- nroff -*- .ad l .nh .SH NAME SbCylinderSectionProjector \- The \fBSbCylinderSectionProjector\fP projects 2D points to a sliced cylinder\&. .SH SYNOPSIS .br .PP .PP \fR#include \fP .PP Inherits \fBSbCylinderProjector\fP\&. .PP Inherited by \fBSbCylinderPlaneProjector\fP\&. .SS "Public Member Functions" .in +1c .ti -1c .RI "\fBSbCylinderSectionProjector\fP (const float edgetol=0\&.9f, const SbBool orienttoeye=TRUE)" .br .ti -1c .RI "\fBSbCylinderSectionProjector\fP (const \fBSbCylinder\fP &cyl, const float edgetol=0\&.9f, const SbBool orienttoeye=TRUE)" .br .ti -1c .RI "virtual \fBSbProjector\fP * \fBcopy\fP (void) const" .br .ti -1c .RI "virtual \fBSbVec3f\fP \fBproject\fP (const \fBSbVec2f\fP &point)" .br .ti -1c .RI "virtual \fBSbRotation\fP \fBgetRotation\fP (const \fBSbVec3f\fP &point1, const \fBSbVec3f\fP &point2)" .br .ti -1c .RI "void \fBsetTolerance\fP (const float edgetol)" .br .ti -1c .RI "float \fBgetTolerance\fP (void) const" .br .ti -1c .RI "SbBool \fBisWithinTolerance\fP (const \fBSbVec3f\fP &point)" .br .in -1c Public Member Functions inherited from \fBSbCylinderProjector\fP .in +1c .ti -1c .RI "\fBSbVec3f\fP \fBprojectAndGetRotation\fP (const \fBSbVec2f\fP &point, \fBSbRotation\fP &rot)" .br .ti -1c .RI "void \fBsetCylinder\fP (const \fBSbCylinder\fP &cyl)" .br .ti -1c .RI "const \fBSbCylinder\fP & \fBgetCylinder\fP (void) const" .br .ti -1c .RI "void \fBsetOrientToEye\fP (const SbBool orienttoeye)" .br .ti -1c .RI "SbBool \fBisOrientToEye\fP (void) const" .br .ti -1c .RI "void \fBsetFront\fP (const SbBool infront)" .br .ti -1c .RI "SbBool \fBisFront\fP (void) const" .br .ti -1c .RI "SbBool \fBisPointInFront\fP (const \fBSbVec3f\fP &point) const" .br .ti -1c .RI "virtual void \fBsetWorkingSpace\fP (const \fBSbMatrix\fP &space)" .br .in -1c Public Member Functions inherited from \fBSbProjector\fP .in +1c .ti -1c .RI "virtual void \fBsetViewVolume\fP (const \fBSbViewVolume\fP &vol)" .br .ti -1c .RI "const \fBSbViewVolume\fP & \fBgetViewVolume\fP (void) const" .br .ti -1c .RI "const \fBSbMatrix\fP & \fBgetWorkingSpace\fP (void) const" .br .ti -1c .RI "virtual SbBool \fBtryProject\fP (const \fBSbVec2f\fP &point, const float epsilon, \fBSbVec3f\fP &result)" .br .in -1c .SS "Protected Member Functions" .in +1c .ti -1c .RI "virtual void \fBsetupTolerance\fP (void)" .br .in -1c Protected Member Functions inherited from \fBSbCylinderProjector\fP .in +1c .ti -1c .RI "\fBSbCylinderProjector\fP (const SbBool orienttoeye)" .br .ti -1c .RI "\fBSbCylinderProjector\fP (const \fBSbCylinder\fP &\fBcylinder\fP, const SbBool orienttoeye)" .br .ti -1c .RI "SbBool \fBintersectCylinderFront\fP (const \fBSbLine\fP &line, \fBSbVec3f\fP &result)" .br .in -1c Protected Member Functions inherited from \fBSbProjector\fP .in +1c .ti -1c .RI "\fBSbProjector\fP (void)" .br .ti -1c .RI "virtual \fB~SbProjector\fP ()" .br .ti -1c .RI "\fBSbLine\fP \fBgetWorkingLine\fP (const \fBSbVec2f\fP &point) const" .br .ti -1c .RI "float \fBfindVanishingDistance\fP (void) const" .br .ti -1c .RI "SbBool \fBverifyProjection\fP (const \fBSbVec3f\fP &projpt) const" .br .in -1c .SS "Protected Attributes" .in +1c .ti -1c .RI "float \fBtolerance\fP" .br .ti -1c .RI "float \fBtolDist\fP" .br .ti -1c .RI "\fBSbVec3f\fP \fBplaneDir\fP" .br .ti -1c .RI "\fBSbLine\fP \fBplaneLine\fP" .br .ti -1c .RI "float \fBplaneDist\fP" .br .ti -1c .RI "\fBSbPlane\fP \fBtolPlane\fP" .br .in -1c Protected Attributes inherited from \fBSbCylinderProjector\fP .in +1c .ti -1c .RI "SbBool \fBintersectFront\fP" .br .ti -1c .RI "\fBSbCylinder\fP \fBcylinder\fP" .br .ti -1c .RI "SbBool \fBorientToEye\fP" .br .ti -1c .RI "SbBool \fBneedSetup\fP" .br .ti -1c .RI "\fBSbVec3f\fP \fBlastPoint\fP" .br .in -1c Protected Attributes inherited from \fBSbProjector\fP .in +1c .ti -1c .RI "\fBSbViewVolume\fP \fBviewVol\fP" .br .ti -1c .RI "\fBSbMatrix\fP \fBworldToWorking\fP" .br .ti -1c .RI "\fBSbMatrix\fP \fBworkingToWorld\fP" .br .in -1c .SH "Detailed Description" .PP The \fBSbCylinderSectionProjector\fP projects 2D points to a sliced cylinder\&. The projection cylinder for this class is sliced by a clipping plane parallel to its height axis\&. Projections will be mapped to the remaining cylinder part\&. .PP \fBSee also\fP .RS 4 \fBSbSphereSectionProjector\fP .RE .PP .SH "Constructor & Destructor Documentation" .PP .SS "SbCylinderSectionProjector::SbCylinderSectionProjector (const float edgetol = \fR0\&.9f\fP, const SbBool orienttoeye = \fRTRUE\fP)" Default constructor\&. See \fBSbCylinderProjector::SbCylinderProjector()\fP\&. .PP The \fIedgetol\fP value should be within <0, 1], and specifies how much of the cylinder is used as a projection surface\&. 1\&.0 means the full front half is used\&. .SS "SbCylinderSectionProjector::SbCylinderSectionProjector (const \fBSbCylinder\fP & cyl, const float edgetol = \fR0\&.9f\fP, const SbBool orienttoeye = \fRTRUE\fP)" Constructor with explicit setting of the projection cylinder\&. .SH "Member Function Documentation" .PP .SS "\fBSbProjector\fP * SbCylinderSectionProjector::copy (void ) const\fR [virtual]\fP" Construct and return a copy of this projector\&. The caller is responsible for destructing the new instance\&. .PP \fBNote that if the Coin library has been built as a DLL under Microsoft Windows and you use this method from application code, you \fImust\fP make sure that both the Coin DLL and the application executable are using the same instance of a C Run-Time (CRT) library\&. Otherwise, you \fIwill\fP get memory heap corruption upon deallocating the returned instances, eventually leading to mysterious crashes\&.\fP .br .br .PP Implements \fBSbProjector\fP\&. .PP Reimplemented in \fBSbCylinderPlaneProjector\fP\&. .SS "\fBSbVec3f\fP SbCylinderSectionProjector::project (const \fBSbVec2f\fP & point)\fR [virtual]\fP" Project the 2D \fIpoint\fP from normalized viewport coordinates to a 3D point\&. The mapping will be done in accordance with the type of the projector\&. .PP Implements \fBSbCylinderProjector\fP\&. .PP Reimplemented in \fBSbCylinderPlaneProjector\fP\&. .SS "\fBSbRotation\fP SbCylinderSectionProjector::getRotation (const \fBSbVec3f\fP & point1, const \fBSbVec3f\fP & point2)\fR [virtual]\fP" Returns rotation on the projection surface which reorients \fIpoint1\fP to \fIpoint2\fP\&. .PP Implements \fBSbCylinderProjector\fP\&. .PP Reimplemented in \fBSbCylinderPlaneProjector\fP\&. .SS "void SbCylinderSectionProjector::setTolerance (const float edgetol)" The \fIedgetol\fP value decides how much of the surface of the cylinder is used for projection\&. 1\&.0 means the full cylinder half is used\&. .SS "float SbCylinderSectionProjector::getTolerance (void ) const" Returns edge tolerance for the cylinder half\&. .SS "SbBool SbCylinderSectionProjector::isWithinTolerance (const \fBSbVec3f\fP & point)" Check if \fIpoint\fP is within the part of the cylinder used for projections\&. .SS "void SbCylinderSectionProjector::setupTolerance (void )\fR [protected]\fP, \fR [virtual]\fP" Recalculate the internal projection surface settings\&. Needs to be done if any of the parameters influencing the projection surface have been changed from subclasses without using the access methods\&. .SH "Member Data Documentation" .PP .SS "float SbCylinderSectionProjector::tolerance\fR [protected]\fP" Tolerance value, deciding how much of the half-cylinder to do projections against\&. .SS "float SbCylinderSectionProjector::tolDist\fR [protected]\fP" Tolerance value multiplied with the cylinder radius\&. .SS "\fBSbVec3f\fP SbCylinderSectionProjector::planeDir\fR [protected]\fP" Direction of cutting plane\&. .SS "\fBSbLine\fP SbCylinderSectionProjector::planeLine\fR [protected]\fP" A line within the plane which is parallel to the cylinder axis\&. .SS "float SbCylinderSectionProjector::planeDist\fR [protected]\fP" Distance from plane to cylinder axis\&. .SS "\fBSbPlane\fP SbCylinderSectionProjector::tolPlane\fR [protected]\fP" Defines the plane cutting the cylinder into a projection part\&. .SH "Author" .PP Generated automatically by Doxygen for Coin from the source code\&.