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Reference Guide
TArcBall Class Reference

Implements the arc-ball rotation manipulator.

Used by plot-painters.

Arcball sphere constants:

  • Diameter is 2.0f
  • Radius is 1.0f

Definition at line 19 of file TArcBall.h.

Public Member Functions

 TArcBall (UInt_t NewWidth=100, UInt_t NewHeight=100)
 constructor More...
virtual ~TArcBall ()
void Click (const TPoint &NewPt)
 Mouse down. More...
void Drag (const TPoint &NewPt)
 Mouse drag, calculate rotation. More...
const Double_tGetRotMatrix () const
void SetBounds (UInt_t NewWidth, UInt_t NewHeight)

Protected Member Functions

void MapToSphere (const TPoint &NewPt, Double_t *NewVec) const
 map to sphere More...

Private Member Functions

 TArcBall (const TArcBall &)
TArcBalloperator= (const TArcBall &)
void ResetMatrices ()
 Set rotation matrix as union. More...

Private Attributes

Double_t fAdjustHeight
Double_t fAdjustWidth
Double_t fEnVec [3]
Double_t fLastRot [9]
Double_t fStVec [3]
Double_t fThisRot [9]
Double_t fTransform [16]

#include <TArcBall.h>

Constructor & Destructor Documentation

◆ TArcBall() [1/2]

TArcBall::TArcBall ( const TArcBall )

◆ TArcBall() [2/2]

TArcBall::TArcBall ( UInt_t  NewWidth = 100,
UInt_t  NewHeight = 100 


Definition at line 236 of file TArcBall.cxx.

◆ ~TArcBall()

virtual TArcBall::~TArcBall ( )

Definition at line 36 of file TArcBall.h.

Member Function Documentation

◆ Click()

void TArcBall::Click ( const TPoint NewPt)

Mouse down.

Definition at line 249 of file TArcBall.cxx.

◆ Drag()

void TArcBall::Drag ( const TPoint NewPt)

Mouse drag, calculate rotation.

Definition at line 260 of file TArcBall.cxx.

◆ GetRotMatrix()

const Double_t * TArcBall::GetRotMatrix ( ) const

Definition at line 47 of file TArcBall.h.

◆ MapToSphere()

void TArcBall::MapToSphere ( const TPoint NewPt,
Double_t NewVec 
) const

map to sphere

Definition at line 210 of file TArcBall.cxx.

◆ operator=()

TArcBall & TArcBall::operator= ( const TArcBall )

◆ ResetMatrices()

void TArcBall::ResetMatrices ( )

Set rotation matrix as union.

Definition at line 287 of file TArcBall.cxx.

◆ SetBounds()

void TArcBall::SetBounds ( UInt_t  NewWidth,
UInt_t  NewHeight 

Definition at line 38 of file TArcBall.h.

Member Data Documentation

◆ fAdjustHeight

Double_t TArcBall::fAdjustHeight

Definition at line 27 of file TArcBall.h.

◆ fAdjustWidth

Double_t TArcBall::fAdjustWidth

Definition at line 26 of file TArcBall.h.

◆ fEnVec

Double_t TArcBall::fEnVec[3]

Definition at line 25 of file TArcBall.h.

◆ fLastRot

Double_t TArcBall::fLastRot[9]

Definition at line 22 of file TArcBall.h.

◆ fStVec

Double_t TArcBall::fStVec[3]

Definition at line 24 of file TArcBall.h.

◆ fThisRot

Double_t TArcBall::fThisRot[9]

Definition at line 21 of file TArcBall.h.

◆ fTransform

Double_t TArcBall::fTransform[16]

Definition at line 23 of file TArcBall.h.

The documentation for this class was generated from the following files: