ROOT   Reference Guide
Searching...
No Matches
TGeoHMatrix Class Reference

Matrix class used for computing global transformations Should NOT be used for node definition.

An instance of this class is generally used to pile-up local transformations starting from the top level physical node, down to the current node.

Definition at line 420 of file TGeoMatrix.h.

## Public Member Functions

TGeoHMatrix ()
dummy ctor

TGeoHMatrix (const char *name)
constructor

TGeoHMatrix (const TGeoHMatrix &other)

TGeoHMatrix (const TGeoMatrix &matrix)
assignment

virtual ~TGeoHMatrix ()
destructor

void Clear (Option_t *option="")
clear the data for this matrix

void CopyFrom (const TGeoMatrix *other)
Fast copy method.

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.

virtual Double_tGetRotationMatrix ()

virtual const Double_tGetRotationMatrix () const

virtual Double_tGetScale ()

virtual const Double_tGetScale () const

virtual Double_tGetTranslation ()

virtual const Double_tGetTranslation () const

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

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

void Multiply (const TGeoMatrix &right)

void Multiply (const TGeoMatrix *right)
multiply to the right with an other transformation if right is identity matrix, just return

void MultiplyLeft (const TGeoMatrix &left)

void MultiplyLeft (const TGeoMatrix *left)
multiply to the left with an other transformation if right is identity matrix, just return

TGeoHMatrix operator* (const TGeoMatrix &other) const

TGeoHMatrixoperator*= (const TGeoMatrix &other)
Composition.

TGeoHMatrixoperator= (const TGeoHMatrix &other)

TGeoHMatrixoperator= (const TGeoMatrix &other)
assignment

TGeoHMatrixoperator= (const TGeoMatrix *other)
assignment

Bool_t operator== (const TGeoMatrix &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 with angle expressed in degrees.

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

virtual void RotateZ (Double_t angle)
Rotate about Z axis 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".

virtual void SetDx (Double_t dx)

virtual void SetDy (Double_t dy)

virtual void SetDz (Double_t dz)

void SetRotation (const Double_t *matrix)

void SetScale (const Double_t *scale)

void SetTranslation (const Double_t *vect)

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.

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

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

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 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 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 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 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 UInt_t GetUniqueID () const
Return the unique object id.

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

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

R__ALWAYS_INLINE Bool_t IsZombie () const

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 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.

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.

## Private Attributes

Double_t fRotationMatrix [9]

Double_t fScale [3]

Double_t fTranslation [3]

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) }

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 inherited from TNamed
TString fName

TString fTitle

#include <TGeoMatrix.h>

Inheritance diagram for TGeoHMatrix:
[legend]

## ◆ TGeoHMatrix() [1/4]

 TGeoHMatrix::TGeoHMatrix ( )

dummy ctor

Definition at line 2301 of file TGeoMatrix.cxx.

## ◆ TGeoHMatrix() [2/4]

 TGeoHMatrix::TGeoHMatrix ( const TGeoHMatrix & other )
inline

Definition at line 429 of file TGeoMatrix.h.

## ◆ TGeoHMatrix() [3/4]

 TGeoHMatrix::TGeoHMatrix ( const TGeoMatrix & matrix )

assignment

Definition at line 2322 of file TGeoMatrix.cxx.

## ◆ TGeoHMatrix() [4/4]

 TGeoHMatrix::TGeoHMatrix ( const char * name )

constructor

Definition at line 2311 of file TGeoMatrix.cxx.

## ◆ ~TGeoHMatrix()

 TGeoHMatrix::~TGeoHMatrix ( )
virtual

destructor

Definition at line 2340 of file TGeoMatrix.cxx.

## ◆ Clear()

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

clear the data for this matrix

Reimplemented from TNamed.

Definition at line 2421 of file TGeoMatrix.cxx.

## ◆ CopyFrom()

 void TGeoHMatrix::CopyFrom ( const TGeoMatrix * other )

Fast copy method.

Definition at line 2409 of file TGeoMatrix.cxx.

## ◆ Determinant()

 Double_t TGeoHMatrix::Determinant ( ) const

computes determinant of the rotation matrix

Definition at line 2494 of file TGeoMatrix.cxx.

## ◆ FastRotZ()

 void TGeoHMatrix::FastRotZ ( const Double_t * sincos )

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

Definition at line 2445 of file TGeoMatrix.cxx.

## ◆ GetRotationMatrix() [1/2]

 virtual Double_t * TGeoHMatrix::GetRotationMatrix ( )
inlinevirtual

Definition at line 472 of file TGeoMatrix.h.

## ◆ GetRotationMatrix() [2/2]

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

Implements TGeoMatrix.

Definition at line 468 of file TGeoMatrix.h.

## ◆ GetScale() [1/2]

 virtual Double_t * TGeoHMatrix::GetScale ( )
inlinevirtual

Definition at line 473 of file TGeoMatrix.h.

## ◆ GetScale() [2/2]

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

Implements TGeoMatrix.

Definition at line 469 of file TGeoMatrix.h.

## ◆ GetTranslation() [1/2]

 virtual Double_t * TGeoHMatrix::GetTranslation ( )
inlinevirtual

Definition at line 471 of file TGeoMatrix.h.

## ◆ GetTranslation() [2/2]

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

Implements TGeoMatrix.

Definition at line 467 of file TGeoMatrix.h.

## ◆ Inverse()

 TGeoHMatrix TGeoHMatrix::Inverse ( ) const
virtual

Return a temporary inverse of this.

Implements TGeoMatrix.

Definition at line 2457 of file TGeoMatrix.cxx.

## ◆ MakeClone()

 TGeoMatrix * TGeoHMatrix::MakeClone ( ) const
virtual

Make a clone of this matrix.

Implements TGeoMatrix.

Definition at line 2436 of file TGeoMatrix.cxx.

## ◆ Multiply() [1/2]

 void TGeoHMatrix::Multiply ( const TGeoMatrix & right )
inline

Definition at line 448 of file TGeoMatrix.h.

## ◆ Multiply() [2/2]

 void TGeoHMatrix::Multiply ( const TGeoMatrix * right )

multiply to the right with an other transformation if right is identity matrix, just return

Definition at line 2510 of file TGeoMatrix.cxx.

## ◆ MultiplyLeft() [1/2]

 void TGeoHMatrix::MultiplyLeft ( const TGeoMatrix & left )
inline

Definition at line 450 of file TGeoMatrix.h.

## ◆ MultiplyLeft() [2/2]

 void TGeoHMatrix::MultiplyLeft ( const TGeoMatrix * left )

multiply to the left with an other transformation if right is identity matrix, just return

Definition at line 2571 of file TGeoMatrix.cxx.

## ◆ operator*()

 TGeoHMatrix TGeoHMatrix::operator* ( const TGeoMatrix & other ) const

Definition at line 2381 of file TGeoMatrix.cxx.

## ◆ operator*=()

 TGeoHMatrix & TGeoHMatrix::operator*= ( const TGeoMatrix & other )

Composition.

Definition at line 2375 of file TGeoMatrix.cxx.

## ◆ operator=() [1/3]

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

Definition at line 434 of file TGeoMatrix.h.

## ◆ operator=() [2/3]

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

assignment

Definition at line 2355 of file TGeoMatrix.cxx.

## ◆ operator=() [3/3]

 TGeoHMatrix & TGeoHMatrix::operator= ( const TGeoMatrix * other )

assignment

Definition at line 2347 of file TGeoMatrix.cxx.

## ◆ operator==()

 Bool_t TGeoHMatrix::operator== ( const TGeoMatrix & other ) const

Is-equal operator.

Definition at line 2391 of file TGeoMatrix.cxx.

## ◆ ReflectX()

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

Multiply by a reflection respect to YZ.

Reimplemented from TGeoMatrix.

Definition at line 2715 of file TGeoMatrix.cxx.

## ◆ ReflectY()

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

Multiply by a reflection respect to ZX.

Reimplemented from TGeoMatrix.

Definition at line 2734 of file TGeoMatrix.cxx.

## ◆ ReflectZ()

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

Multiply by a reflection respect to XY.

Reimplemented from TGeoMatrix.

Definition at line 2753 of file TGeoMatrix.cxx.

## ◆ RotateX()

 void TGeoHMatrix::RotateX ( Double_t angle )
virtual

Rotate about X axis with angle expressed in degrees.

Reimplemented from TGeoMatrix.

Definition at line 2634 of file TGeoMatrix.cxx.

## ◆ RotateY()

 void TGeoHMatrix::RotateY ( Double_t angle )
virtual

Rotate about Y axis with angle expressed in degrees.

Reimplemented from TGeoMatrix.

Definition at line 2661 of file TGeoMatrix.cxx.

## ◆ RotateZ()

 void TGeoHMatrix::RotateZ ( Double_t angle )
virtual

Rotate about Z axis with angle expressed in degrees.

Reimplemented from TGeoMatrix.

Definition at line 2688 of file TGeoMatrix.cxx.

## ◆ SavePrimitive()

 void TGeoHMatrix::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 2772 of file TGeoMatrix.cxx.

## ◆ SetDx()

 virtual void TGeoHMatrix::SetDx ( Double_t dx )
inlinevirtual

Reimplemented from TGeoMatrix.

Definition at line 459 of file TGeoMatrix.h.

## ◆ SetDy()

 virtual void TGeoHMatrix::SetDy ( Double_t dy )
inlinevirtual

Reimplemented from TGeoMatrix.

Definition at line 460 of file TGeoMatrix.h.

## ◆ SetDz()

 virtual void TGeoHMatrix::SetDz ( Double_t dz )
inlinevirtual

Reimplemented from TGeoMatrix.

Definition at line 461 of file TGeoMatrix.h.

## ◆ SetRotation()

 void TGeoHMatrix::SetRotation ( const Double_t * matrix )
inline

Definition at line 463 of file TGeoMatrix.h.

## ◆ SetScale()

 void TGeoHMatrix::SetScale ( const Double_t * scale )
inline

Definition at line 464 of file TGeoMatrix.h.

## ◆ SetTranslation()

 void TGeoHMatrix::SetTranslation ( const Double_t * vect )
inline

Definition at line 462 of file TGeoMatrix.h.

## ◆ fRotationMatrix

 Double_t TGeoHMatrix::fRotationMatrix[9]
private

Definition at line 424 of file TGeoMatrix.h.

## ◆ fScale

 Double_t TGeoHMatrix::fScale[3]
private

Definition at line 425 of file TGeoMatrix.h.

## ◆ fTranslation

 Double_t TGeoHMatrix::fTranslation[3]
private

Definition at line 423 of file TGeoMatrix.h.

Libraries for TGeoHMatrix:

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