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TGeoRotation Class Reference

Class describing rotations.

A rotation is a 3*3 array Column vectors has to be orthogonal unit vectors.

Definition at line 174 of file TGeoMatrix.h.

## Public Member Functions

TGeoRotation ()
Default constructor.

TGeoRotation (const char *name)
Named rotation constructor.

TGeoRotation (const char *name, Double_t phi, Double_t theta, Double_t psi)
Default rotation constructor with Euler angles.

TGeoRotation (const char *name, Double_t theta1, Double_t phi1, Double_t theta2, Double_t phi2, Double_t theta3, Double_t phi3)
Rotation constructor a la GEANT3.

TGeoRotation (const TGeoMatrix &other)
Copy ctor.

TGeoRotation (const TGeoRotation &other)
Copy ctor.

virtual ~TGeoRotation ()

void Clear (Option_t *option="")
reset data members

Double_t Determinant () const
computes determinant of the rotation matrix

void FastRotZ (const Double_t *sincos)
Perform a rotation about Z having the sine/cosine of the rotation angle.

void GetAngles (Double_t &phi, Double_t &theta, Double_t &psi) const
Retrieve Euler angles.

void GetAngles (Double_t &theta1, Double_t &phi1, Double_t &theta2, Double_t &phi2, Double_t &theta3, Double_t &phi3) const
Retrieve rotation angles.

void GetInverse (Double_t *invmat) const
Get the inverse rotation matrix (which is simply the transpose)

Double_t GetPhiRotation (Bool_t fixX=kFALSE) const
Returns rotation angle about Z axis in degrees.

virtual const Double_tGetRotationMatrix () const

virtual const Double_tGetScale () const

virtual const Double_tGetTranslation () const

TGeoHMatrix Inverse () const
Return a temporary inverse of this.

Bool_t IsValid () const
Perform orthogonality test for rotation.

virtual void LocalToMaster (const Double_t *local, Double_t *master) const
convert a point by multiplying its column vector (x, y, z, 1) to matrix inverse

virtual void LocalToMasterBomb (const Double_t *local, Double_t *master) const
convert a point by multiplying its column vector (x, y, z, 1) to matrix inverse

virtual void LocalToMasterVect (const Double_t *local, Double_t *master) const
convert a vector by multiplying its column vector (x, y, z, 1) to matrix inverse

virtual TGeoMatrixMakeClone () const
Make a clone of this matrix.

virtual void MasterToLocal (const Double_t *master, Double_t *local) const
convert a point by multiplying its column vector (x, y, z, 1) to matrix

virtual void MasterToLocalBomb (const Double_t *master, Double_t *local) const
convert a point by multiplying its column vector (x, y, z, 1) to matrix

virtual void MasterToLocalVect (const Double_t *master, Double_t *local) const
convert a point by multiplying its column vector (x, y, z, 1) to matrix

void MultiplyBy (const TGeoRotation *rot, Bool_t after=kTRUE)
Multiply this rotation with the one specified by ROT.

TGeoHMatrix operator* (const TGeoMatrix &right) const

TGeoRotation operator* (const TGeoRotation &other) const

TGeoRotationoperator*= (const TGeoRotation &other)
Composition.

TGeoRotationoperator= (const TGeoMatrix &other)
Assignment from a general matrix.

TGeoRotationoperator= (const TGeoRotation &other)

Bool_t operator== (const TGeoRotation &other) const
Is-equal operator.

virtual void ReflectX (Bool_t leftside, Bool_t rotonly=kFALSE)
Multiply by a reflection respect to YZ.

virtual void ReflectY (Bool_t leftside, Bool_t rotonly=kFALSE)
Multiply by a reflection respect to ZX.

virtual void ReflectZ (Bool_t leftside, Bool_t rotonly=kFALSE)
Multiply by a reflection respect to XY.

virtual void RotateX (Double_t angle)
Rotate about X axis of the master frame with angle expressed in degrees.

virtual void RotateY (Double_t angle)
Rotate about Y axis of the master frame with angle expressed in degrees.

virtual void RotateZ (Double_t angle)
Rotate about Z axis of the master frame with angle expressed in degrees.

virtual void SavePrimitive (std::ostream &out, Option_t *option="")
Save a primitive as a C++ statement(s) on output stream "out".

void SetAngles (Double_t phi, Double_t theta, Double_t psi)
Set matrix elements according to Euler angles.

void SetAngles (Double_t theta1, Double_t phi1, Double_t theta2, Double_t phi2, Double_t theta3, Double_t phi3)
Set matrix elements in the GEANT3 way.

void SetMatrix (const Double_t *rot)

void SetRotation (const TGeoMatrix &other)
Copy rotation elements from other rotation matrix.

Public Member Functions inherited from TGeoMatrix
TGeoMatrix ()
dummy constructor

TGeoMatrix (const char *name)
Constructor.

virtual ~TGeoMatrix ()
Destructor.

virtual Int_t GetByteCount () const
Get total size in bytes of this.

void GetHomogenousMatrix (Double_t *hmat) const
The homogenous matrix associated with the transformation is used for piling up's and visualization.

char * GetPointerName () const
Provide a pointer name containing uid.

virtual const Double_tGetRotationMatrix () const =0

virtual const Double_tGetScale () const =0

virtual const Double_tGetTranslation () const =0

virtual TGeoHMatrix Inverse () const =0

Bool_t IsCombi () const

Bool_t IsGeneral () const

Bool_t IsIdentity () const

Bool_t IsOwned () const

Bool_t IsReflection () const

Bool_t IsRegistered () const

Returns true if no rotation or the rotation is about Z axis.

Bool_t IsRotation () const

Bool_t IsScale () const

Bool_t IsShared () const

Bool_t IsTranslation () const

virtual void LocalToMaster (const Double_t *local, Double_t *master) const
convert a point by multiplying its column vector (x, y, z, 1) to matrix inverse

virtual void LocalToMasterBomb (const Double_t *local, Double_t *master) const
convert a point by multiplying its column vector (x, y, z, 1) to matrix inverse

virtual void LocalToMasterVect (const Double_t *local, Double_t *master) const
convert a vector by multiplying its column vector (x, y, z, 1) to matrix inverse

virtual TGeoMatrixMakeClone () const =0

virtual void MasterToLocal (const Double_t *master, Double_t *local) const
convert a point by multiplying its column vector (x, y, z, 1) to matrix

virtual void MasterToLocalBomb (const Double_t *master, Double_t *local) const
convert a point by multiplying its column vector (x, y, z, 1) to matrix

virtual void MasterToLocalVect (const Double_t *master, Double_t *local) const
convert a point by multiplying its column vector (x, y, z, 1) to matrix

void Print (Option_t *option="") const
print the matrix in 4x4 format

virtual void ReflectX (Bool_t leftside, Bool_t rotonly=kFALSE)
Multiply by a reflection respect to YZ.

virtual void ReflectY (Bool_t leftside, Bool_t rotonly=kFALSE)
Multiply by a reflection respect to ZX.

virtual void ReflectZ (Bool_t leftside, Bool_t rotonly=kFALSE)
Multiply by a reflection respect to XY.

virtual void RegisterYourself ()
Register the matrix in the current manager, which will become the owner.

virtual void RotateX (Double_t)

virtual void RotateY (Double_t)

virtual void RotateZ (Double_t)

void SetDefaultName ()
If no name was supplied in the ctor, the type of transformation is checked.

virtual void SetDx (Double_t)

virtual void SetDy (Double_t)

virtual void SetDz (Double_t)

void SetShared (Bool_t flag=kTRUE)

Public Member Functions inherited from TNamed
TNamed ()

TNamed (const char *name, const char *title)

TNamed (const TNamed &named)
TNamed copy ctor.

TNamed (const TString &name, const TString &title)

virtual ~TNamed ()
TNamed destructor.

virtual void Clear (Option_t *option="")
Set name and title to empty strings ("").

virtual TObjectClone (const char *newname="") const
Make a clone of an object using the Streamer facility.

virtual Int_t Compare (const TObject *obj) const
Compare two TNamed objects.

virtual void Copy (TObject &named) const
Copy this to obj.

virtual void FillBuffer (char *&buffer)
Encode TNamed into output buffer.

virtual const char * GetName () const
Returns name of object.

virtual const char * GetTitle () const
Returns title of object.

virtual ULong_t Hash () const
Return hash value for this object.

virtual Bool_t IsSortable () const

virtual void ls (Option_t *option="") const
List TNamed name and title.

TNamedoperator= (const TNamed &rhs)
TNamed assignment operator.

virtual void Print (Option_t *option="") const
Print TNamed name and title.

virtual void SetName (const char *name)
Set the name of the TNamed.

virtual void SetNameTitle (const char *name, const char *title)
Set all the TNamed parameters (name and title).

virtual void SetTitle (const char *title="")
Set the title of the TNamed.

virtual Int_t Sizeof () const
Return size of the TNamed part of the TObject.

Public Member Functions inherited from TObject
TObject ()
TObject constructor.

TObject (const TObject &object)
TObject copy ctor.

virtual ~TObject ()
TObject destructor.

void AbstractMethod (const char *method) const
Use this method to implement an "abstract" method that you don't want to leave purely abstract.

Append graphics object to current pad.

virtual void Browse (TBrowser *b)
Browse object. May be overridden for another default action.

ULong_t CheckedHash ()
Check and record whether this class has a consistent Hash/RecursiveRemove setup (*) and then return the regular Hash value for this object.

virtual const char * ClassName () const
Returns name of class to which the object belongs.

virtual void Clear (Option_t *="")

virtual TObjectClone (const char *newname="") const
Make a clone of an object using the Streamer facility.

virtual Int_t Compare (const TObject *obj) const
Compare abstract method.

virtual void Copy (TObject &object) const
Copy this to obj.

virtual void Delete (Option_t *option="")
Delete this object.

virtual Int_t DistancetoPrimitive (Int_t px, Int_t py)
Computes distance from point (px,py) to the object.

virtual void Draw (Option_t *option="")
Default Draw method for all objects.

virtual void DrawClass () const
Draw class inheritance tree of the class to which this object belongs.

virtual TObjectDrawClone (Option_t *option="") const
Draw a clone of this object in the current selected pad for instance with: gROOT->SetSelectedPad(gPad).

virtual void Dump () const
Dump contents of object on stdout.

virtual void Error (const char *method, const char *msgfmt,...) const
Issue error message.

virtual void Execute (const char *method, const char *params, Int_t *error=0)
Execute method on this object with the given parameter string, e.g.

virtual void Execute (TMethod *method, TObjArray *params, Int_t *error=0)
Execute method on this object with parameters stored in the TObjArray.

virtual void ExecuteEvent (Int_t event, Int_t px, Int_t py)
Execute action corresponding to an event at (px,py).

virtual void Fatal (const char *method, const char *msgfmt,...) const
Issue fatal error message.

virtual TObjectFindObject (const char *name) const
Must be redefined in derived classes.

virtual TObjectFindObject (const TObject *obj) const
Must be redefined in derived classes.

virtual Option_tGetDrawOption () const
Get option used by the graphics system to draw this object.

virtual const char * GetIconName () const
Returns mime type name of object.

virtual const char * GetName () const
Returns name of object.

virtual char * GetObjectInfo (Int_t px, Int_t py) const
Returns string containing info about the object at position (px,py).

virtual Option_tGetOption () const

virtual const char * GetTitle () const
Returns title of object.

virtual UInt_t GetUniqueID () const
Return the unique object id.

virtual Bool_t HandleTimer (TTimer *timer)
Execute action in response of a timer timing out.

virtual ULong_t Hash () const
Return hash value for this object.

Bool_t HasInconsistentHash () const
Return true is the type of this object is known to have an inconsistent setup for Hash and RecursiveRemove (i.e.

virtual void Info (const char *method, const char *msgfmt,...) const
Issue info message.

virtual Bool_t InheritsFrom (const char *classname) const
Returns kTRUE if object inherits from class "classname".

virtual Bool_t InheritsFrom (const TClass *cl) const
Returns kTRUE if object inherits from TClass cl.

virtual void Inspect () const
Dump contents of this object in a graphics canvas.

void InvertBit (UInt_t f)

virtual Bool_t IsEqual (const TObject *obj) const
Default equal comparison (objects are equal if they have the same address in memory).

virtual Bool_t IsFolder () const
Returns kTRUE in case object contains browsable objects (like containers or lists of other objects).

R__ALWAYS_INLINE Bool_t IsOnHeap () const

virtual Bool_t IsSortable () const

R__ALWAYS_INLINE Bool_t IsZombie () const

virtual void ls (Option_t *option="") const
The ls function lists the contents of a class on stdout.

void MayNotUse (const char *method) const
Use this method to signal that a method (defined in a base class) may not be called in a derived class (in principle against good design since a child class should not provide less functionality than its parent, however, sometimes it is necessary).

virtual Bool_t Notify ()
This method must be overridden to handle object notification.

void Obsolete (const char *method, const char *asOfVers, const char *removedFromVers) const
Use this method to declare a method obsolete.

void operator delete (void *ptr)
Operator delete.

void operator delete[] (void *ptr)
Operator delete [].

voidoperator new (size_t sz)

voidoperator new (size_t sz, void *vp)

voidoperator new[] (size_t sz)

voidoperator new[] (size_t sz, void *vp)

TObjectoperator= (const TObject &rhs)
TObject assignment operator.

virtual void Paint (Option_t *option="")
This method must be overridden if a class wants to paint itself.

virtual void Pop ()
Pop on object drawn in a pad to the top of the display list.

virtual void Print (Option_t *option="") const
This method must be overridden when a class wants to print itself.

virtual Int_t Read (const char *name)
Read contents of object with specified name from the current directory.

virtual void RecursiveRemove (TObject *obj)
Recursively remove this object from a list.

void ResetBit (UInt_t f)

virtual void SaveAs (const char *filename="", Option_t *option="") const
Save this object in the file specified by filename.

virtual void SavePrimitive (std::ostream &out, Option_t *option="")
Save a primitive as a C++ statement(s) on output stream "out".

void SetBit (UInt_t f)

void SetBit (UInt_t f, Bool_t set)
Set or unset the user status bits as specified in f.

virtual void SetDrawOption (Option_t *option="")
Set drawing option for object.

virtual void SetUniqueID (UInt_t uid)
Set the unique object id.

virtual void SysError (const char *method, const char *msgfmt,...) const
Issue system error message.

R__ALWAYS_INLINE Bool_t TestBit (UInt_t f) const

Int_t TestBits (UInt_t f) const

virtual void UseCurrentStyle ()
Set current style settings in this object This function is called when either TCanvas::UseCurrentStyle or TROOT::ForceStyle have been invoked.

virtual void Warning (const char *method, const char *msgfmt,...) const
Issue warning message.

virtual Int_t Write (const char *name=0, Int_t option=0, Int_t bufsize=0)
Write this object to the current directory.

virtual Int_t Write (const char *name=0, Int_t option=0, Int_t bufsize=0) const
Write this object to the current directory.

## Protected Member Functions

void CheckMatrix ()
performes an orthogonality check and finds if the matrix is a reflection Warning("CheckMatrix", "orthogonality check not performed yet");

Protected Member Functions inherited from TGeoMatrix
TGeoMatrix (const TGeoMatrix &other)
copy constructor

Protected Member Functions inherited from TObject
virtual void DoError (int level, const char *location, const char *fmt, va_list va) const
Interface to ErrorHandler (protected).

void MakeZombie ()

## Protected Attributes

Double_t fRotationMatrix [3 *3]

Protected Attributes inherited from TNamed
TString fName

TString fTitle

Public Types inherited from TGeoMatrix
enum  EGeoTransfTypes {
kGeoIdentity = 0 , kGeoShared = BIT(14) , kGeoTranslation = BIT(17) , kGeoRotation = BIT(18) ,
kGeoScale = BIT(19) , kGeoReflection = BIT(20) , kGeoRegistered = BIT(21) , kGeoSavePrimitive = BIT(22) ,
kGeoMatrixOwned = BIT(23) , kGeoCombiTrans = kGeoTranslation | kGeoRotation , kGeoGenTrans = kGeoTranslation | kGeoRotation | kGeoScale , kGeoMatrixBits = kGeoShared | kGeoGenTrans | kGeoReflection | kGeoRegistered | kGeoSavePrimitive | kGeoMatrixOwned
}

Public Types inherited from TObject
enum  {
kIsOnHeap = 0x01000000 , kNotDeleted = 0x02000000 , kZombie = 0x04000000 , kInconsistent = 0x08000000 ,
}

enum  { kSingleKey = BIT(0) , kOverwrite = BIT(1) , kWriteDelete = BIT(2) }

enum  EDeprecatedStatusBits { kObjInCanvas = BIT(3) }

enum  EStatusBits {
kCanDelete = BIT(0) , kMustCleanup = BIT(3) , kIsReferenced = BIT(4) , kHasUUID = BIT(5) ,
kCannotPick = BIT(6) , kNoContextMenu = BIT(8) , kInvalidObject = BIT(13)
}

Static Public Member Functions inherited from TGeoMatrix
static void Normalize (Double_t *vect)
Normalize a vector.

Static Public Member Functions inherited from TObject
static Long_t GetDtorOnly ()
Return destructor only flag.

static Bool_t GetObjectStat ()
Get status of object stat flag.

static void SetDtorOnly (void *obj)
Set destructor only flag.

static void SetObjectStat (Bool_t stat)
Turn on/off tracking of objects in the TObjectTable.

Protected Types inherited from TObject
enum  { kOnlyPrepStep = BIT(3) }

#include <TGeoMatrix.h>

Inheritance diagram for TGeoRotation:
[legend]

## ◆ TGeoRotation() [1/6]

 TGeoRotation::TGeoRotation ( )

Default constructor.

Definition at line 854 of file TGeoMatrix.cxx.

## ◆ TGeoRotation() [2/6]

 TGeoRotation::TGeoRotation ( const TGeoRotation & other )

Copy ctor.

Definition at line 865 of file TGeoMatrix.cxx.

## ◆ TGeoRotation() [3/6]

 TGeoRotation::TGeoRotation ( const TGeoMatrix & other )

Copy ctor.

Definition at line 874 of file TGeoMatrix.cxx.

## ◆ TGeoRotation() [4/6]

 TGeoRotation::TGeoRotation ( const char * name )

Named rotation constructor.

Definition at line 885 of file TGeoMatrix.cxx.

## ◆ TGeoRotation() [5/6]

 TGeoRotation::TGeoRotation ( const char * name, Double_t phi, Double_t theta, Double_t psi )

Default rotation constructor with Euler angles.

Phi is the rotation angle about Z axis and is done first, theta is the rotation about new X and is done second, psi is the rotation angle about new Z and is done third. All angles are in degrees.

Definition at line 900 of file TGeoMatrix.cxx.

## ◆ TGeoRotation() [6/6]

 TGeoRotation::TGeoRotation ( const char * name, Double_t theta1, Double_t phi1, Double_t theta2, Double_t phi2, Double_t theta3, Double_t phi3 )

Rotation constructor a la GEANT3.

Angles theta(i), phi(i) are the polar and azimuthal angles of the (i) axis of the rotated system with respect to the initial non-rotated system. Example : the identity matrix (no rotation) is composed by theta1=90, phi1=0, theta2=90, phi2=90, theta3=0, phi3=0 SetBit(kGeoRotation);

Definition at line 914 of file TGeoMatrix.cxx.

## ◆ ~TGeoRotation()

 virtual TGeoRotation::~TGeoRotation ( )
inlinevirtual

Definition at line 189 of file TGeoMatrix.h.

## ◆ CheckMatrix()

 void TGeoRotation::CheckMatrix ( )
protected

performes an orthogonality check and finds if the matrix is a reflection Warning("CheckMatrix", "orthogonality check not performed yet");

Definition at line 1351 of file TGeoMatrix.cxx.

## ◆ Clear()

 void TGeoRotation::Clear ( Option_t * option = "" )
virtual

reset data members

Reimplemented from TNamed.

Definition at line 1017 of file TGeoMatrix.cxx.

## ◆ Determinant()

 Double_t TGeoRotation::Determinant ( ) const

computes determinant of the rotation matrix

Definition at line 1335 of file TGeoMatrix.cxx.

## ◆ FastRotZ()

 void TGeoRotation::FastRotZ ( const Double_t * sincos )

Perform a rotation about Z having the sine/cosine of the rotation angle.

Definition at line 1026 of file TGeoMatrix.cxx.

## ◆ GetAngles() [1/2]

 void TGeoRotation::GetAngles ( Double_t & phi, Double_t & theta, Double_t & psi ) const

Retrieve Euler angles.

Definition at line 1313 of file TGeoMatrix.cxx.

## ◆ GetAngles() [2/2]

 void TGeoRotation::GetAngles ( Double_t & theta1, Double_t & phi1, Double_t & theta2, Double_t & phi2, Double_t & theta3, Double_t & phi3 ) const

Retrieve rotation angles.

Definition at line 1292 of file TGeoMatrix.cxx.

## ◆ GetInverse()

 void TGeoRotation::GetInverse ( Double_t * invmat ) const

Get the inverse rotation matrix (which is simply the transpose)

Definition at line 1362 of file TGeoMatrix.cxx.

## ◆ GetPhiRotation()

 Double_t TGeoRotation::GetPhiRotation ( Bool_t fixX = kFALSE ) const

Returns rotation angle about Z axis in degrees.

If the rotation is a pure rotation about Z, fixX parameter does not matter, otherwise its meaning is:

• fixX = true : result is the phi angle of the projection of the rotated X axis in the un-rotated XY
• fixX = false : result is the phi angle of the projection of the rotated Y axis - 90 degrees

Definition at line 1041 of file TGeoMatrix.cxx.

## ◆ GetRotationMatrix()

 virtual const Double_t * TGeoRotation::GetRotationMatrix ( ) const
inlinevirtual

Implements TGeoMatrix.

Definition at line 230 of file TGeoMatrix.h.

## ◆ GetScale()

 virtual const Double_t * TGeoRotation::GetScale ( ) const
inlinevirtual

Implements TGeoMatrix.

Definition at line 231 of file TGeoMatrix.h.

## ◆ GetTranslation()

 virtual const Double_t * TGeoRotation::GetTranslation ( ) const
inlinevirtual

Implements TGeoMatrix.

Definition at line 229 of file TGeoMatrix.h.

## ◆ Inverse()

 TGeoHMatrix TGeoRotation::Inverse ( ) const
virtual

Return a temporary inverse of this.

Implements TGeoMatrix.

Definition at line 976 of file TGeoMatrix.cxx.

## ◆ IsValid()

 Bool_t TGeoRotation::IsValid ( ) const

Perform orthogonality test for rotation.

Definition at line 997 of file TGeoMatrix.cxx.

## ◆ LocalToMaster()

 void TGeoRotation::LocalToMaster ( const Double_t * local, Double_t * master ) const
virtual

convert a point by multiplying its column vector (x, y, z, 1) to matrix inverse

Reimplemented from TGeoMatrix.

Definition at line 1052 of file TGeoMatrix.cxx.

## ◆ LocalToMasterBomb()

 virtual void TGeoRotation::LocalToMasterBomb ( const Double_t * local, Double_t * master ) const
inlinevirtual

convert a point by multiplying its column vector (x, y, z, 1) to matrix inverse

Reimplemented from TGeoMatrix.

Definition at line 209 of file TGeoMatrix.h.

## ◆ LocalToMasterVect()

 virtual void TGeoRotation::LocalToMasterVect ( const Double_t * local, Double_t * master ) const
inlinevirtual

convert a vector by multiplying its column vector (x, y, z, 1) to matrix inverse

Reimplemented from TGeoMatrix.

Definition at line 208 of file TGeoMatrix.h.

## ◆ MakeClone()

 TGeoMatrix * TGeoRotation::MakeClone ( ) const
virtual

Make a clone of this matrix.

Implements TGeoMatrix.

Definition at line 1078 of file TGeoMatrix.cxx.

## ◆ MasterToLocal()

 void TGeoRotation::MasterToLocal ( const Double_t * master, Double_t * local ) const
virtual

convert a point by multiplying its column vector (x, y, z, 1) to matrix

Reimplemented from TGeoMatrix.

Definition at line 1065 of file TGeoMatrix.cxx.

## ◆ MasterToLocalBomb()

 virtual void TGeoRotation::MasterToLocalBomb ( const Double_t * master, Double_t * local ) const
inlinevirtual

convert a point by multiplying its column vector (x, y, z, 1) to matrix

Reimplemented from TGeoMatrix.

Definition at line 213 of file TGeoMatrix.h.

## ◆ MasterToLocalVect()

 virtual void TGeoRotation::MasterToLocalVect ( const Double_t * master, Double_t * local ) const
inlinevirtual

convert a point by multiplying its column vector (x, y, z, 1) to matrix

Reimplemented from TGeoMatrix.

Definition at line 212 of file TGeoMatrix.h.

## ◆ MultiplyBy()

 void TGeoRotation::MultiplyBy ( const TGeoRotation * rot, Bool_t after = kTRUE )

Multiply this rotation with the one specified by ROT.

• after=TRUE (default): THIS*ROT
• after=FALSE : ROT*THIS

Definition at line 1380 of file TGeoMatrix.cxx.

## ◆ operator*() [1/2]

 TGeoHMatrix TGeoRotation::operator* ( const TGeoMatrix & right ) const

Definition at line 953 of file TGeoMatrix.cxx.

## ◆ operator*() [2/2]

 TGeoRotation TGeoRotation::operator* ( const TGeoRotation & other ) const

Definition at line 946 of file TGeoMatrix.cxx.

## ◆ operator*=()

 TGeoRotation & TGeoRotation::operator*= ( const TGeoRotation & other )

Composition.

Definition at line 939 of file TGeoMatrix.cxx.

## ◆ operator=() [1/2]

 TGeoRotation & TGeoRotation::operator= ( const TGeoMatrix & other )

Assignment from a general matrix.

Definition at line 924 of file TGeoMatrix.cxx.

## ◆ operator=() [2/2]

 TGeoRotation & TGeoRotation::operator= ( const TGeoRotation & other )
inline

Definition at line 191 of file TGeoMatrix.h.

## ◆ operator==()

 Bool_t TGeoRotation::operator== ( const TGeoRotation & other ) const

Is-equal operator.

Definition at line 963 of file TGeoMatrix.cxx.

## ◆ ReflectX()

 void TGeoRotation::ReflectX ( Bool_t leftside, Bool_t rotonly = kFALSE )
virtual

Multiply by a reflection respect to YZ.

Reimplemented from TGeoMatrix.

Definition at line 1156 of file TGeoMatrix.cxx.

## ◆ ReflectY()

 void TGeoRotation::ReflectY ( Bool_t leftside, Bool_t rotonly = kFALSE )
virtual

Multiply by a reflection respect to ZX.

Reimplemented from TGeoMatrix.

Definition at line 1174 of file TGeoMatrix.cxx.

## ◆ ReflectZ()

 void TGeoRotation::ReflectZ ( Bool_t leftside, Bool_t rotonly = kFALSE )
virtual

Multiply by a reflection respect to XY.

Reimplemented from TGeoMatrix.

Definition at line 1192 of file TGeoMatrix.cxx.

## ◆ RotateX()

 void TGeoRotation::RotateX ( Double_t angle )
virtual

Rotate about X axis of the master frame with angle expressed in degrees.

Reimplemented from TGeoMatrix.

Definition at line 1087 of file TGeoMatrix.cxx.

## ◆ RotateY()

 void TGeoRotation::RotateY ( Double_t angle )
virtual

Rotate about Y axis of the master frame with angle expressed in degrees.

Reimplemented from TGeoMatrix.

Definition at line 1110 of file TGeoMatrix.cxx.

## ◆ RotateZ()

 void TGeoRotation::RotateZ ( Double_t angle )
virtual

Rotate about Z axis of the master frame with angle expressed in degrees.

Reimplemented from TGeoMatrix.

Definition at line 1133 of file TGeoMatrix.cxx.

## ◆ SavePrimitive()

 void TGeoRotation::SavePrimitive ( std::ostream & out, Option_t * option = "" )
virtual

Save a primitive as a C++ statement(s) on output stream "out".

Reimplemented from TObject.

Definition at line 1210 of file TGeoMatrix.cxx.

## ◆ SetAngles() [1/2]

 void TGeoRotation::SetAngles ( Double_t phi, Double_t theta, Double_t psi )

Set matrix elements according to Euler angles.

Phi is the rotation angle about Z axis and is done first, theta is the rotation about new X and is done second, psi is the rotation angle about new Z and is done third. All angles are in degrees.

Definition at line 1238 of file TGeoMatrix.cxx.

## ◆ SetAngles() [2/2]

 void TGeoRotation::SetAngles ( Double_t theta1, Double_t phi1, Double_t theta2, Double_t phi2, Double_t theta3, Double_t phi3 )

Set matrix elements in the GEANT3 way.

Definition at line 1265 of file TGeoMatrix.cxx.

## ◆ SetMatrix()

 void TGeoRotation::SetMatrix ( const Double_t * rot )
inline

Definition at line 225 of file TGeoMatrix.h.

## ◆ SetRotation()

 void TGeoRotation::SetRotation ( const TGeoMatrix & other )

Copy rotation elements from other rotation matrix.

Definition at line 1226 of file TGeoMatrix.cxx.

## ◆ fRotationMatrix

 Double_t TGeoRotation::fRotationMatrix[3 *3]
protected

Definition at line 177 of file TGeoMatrix.h.

Libraries for TGeoRotation:

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