ROOT 6.12/07 Reference Guide |
TVector2 is a general two vector class, which can be used for the description of different vectors in 2D.
Definition at line 18 of file TVector2.h.
Public Types | |
typedef Double_t | Scalar |
Public Types inherited from TObject | |
enum | { kIsOnHeap = 0x01000000, kNotDeleted = 0x02000000, kZombie = 0x04000000, kInconsistent = 0x08000000, kBitMask = 0x00ffffff } |
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) } |
Public Member Functions | |
TVector2 () | |
Constructor. More... | |
TVector2 (Double_t *s) | |
Constructor. More... | |
TVector2 (Double_t x0, Double_t y0) | |
Constructor. More... | |
virtual | ~TVector2 () |
Double_t | DeltaPhi (const TVector2 &v) const |
Double_t | Mod () const |
Return modulo of this vector. More... | |
Double_t | Mod2 () const |
TVector2 | Norm (const TVector2 &v) const |
Double_t | operator*= (TVector2 const &v) |
TVector2 & | operator*= (Double_t s) |
TVector2 & | operator+= (TVector2 const &v) |
TVector2 & | operator-= (TVector2 const &v) |
TVector2 & | operator/= (Double_t s) |
TVector2 & | operator= (TVector2 const &v) |
TVector2 | Ort () const |
Double_t | Phi () const |
Return vector phi. More... | |
void | Print (Option_t *option="") const |
This method must be overridden when a class wants to print itself. More... | |
TVector2 | Proj (const TVector2 &v) const |
Double_t | Px () const |
Double_t | Py () const |
TVector2 | Rotate (Double_t phi) const |
Rotation by phi. More... | |
void | Set (const TVector2 &v) |
void | Set (Double_t x0, Double_t y0) |
void | Set (float x0, float y0) |
void | SetMagPhi (Double_t mag, Double_t phi) |
Set vector using mag and phi. More... | |
void | SetX (Double_t x0) |
void | SetY (Double_t y0) |
TVector2 | Unit () const |
Return module normalized to 1. More... | |
Double_t | X () const |
Double_t | Y () const |
Public Member Functions inherited from TObject | |
TObject () | |
TObject constructor. More... | |
TObject (const TObject &object) | |
TObject copy ctor. More... | |
virtual | ~TObject () |
TObject destructor. More... | |
void | AbstractMethod (const char *method) const |
Use this method to implement an "abstract" method that you don't want to leave purely abstract. More... | |
virtual void | AppendPad (Option_t *option="") |
Append graphics object to current pad. More... | |
virtual void | Browse (TBrowser *b) |
Browse object. May be overridden for another default action. More... | |
ULong_t | CheckedHash () |
Checked and record whether for this class has a consistent Hash/RecursiveRemove setup (*) and then return the regular Hash value for this object. More... | |
virtual const char * | ClassName () const |
Returns name of class to which the object belongs. More... | |
virtual void | Clear (Option_t *="") |
virtual TObject * | Clone (const char *newname="") const |
Make a clone of an object using the Streamer facility. More... | |
virtual Int_t | Compare (const TObject *obj) const |
Compare abstract method. More... | |
virtual void | Copy (TObject &object) const |
Copy this to obj. More... | |
virtual void | Delete (Option_t *option="") |
Delete this object. More... | |
virtual Int_t | DistancetoPrimitive (Int_t px, Int_t py) |
Computes distance from point (px,py) to the object. More... | |
virtual void | Draw (Option_t *option="") |
Default Draw method for all objects. More... | |
virtual void | DrawClass () const |
Draw class inheritance tree of the class to which this object belongs. More... | |
virtual TObject * | DrawClone (Option_t *option="") const |
Draw a clone of this object in the current selected pad for instance with: gROOT->SetSelectedPad(gPad) . More... | |
virtual void | Dump () const |
Dump contents of object on stdout. More... | |
virtual void | Error (const char *method, const char *msgfmt,...) const |
Issue error message. More... | |
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. More... | |
virtual void | Execute (TMethod *method, TObjArray *params, Int_t *error=0) |
Execute method on this object with parameters stored in the TObjArray. More... | |
virtual void | ExecuteEvent (Int_t event, Int_t px, Int_t py) |
Execute action corresponding to an event at (px,py). More... | |
virtual void | Fatal (const char *method, const char *msgfmt,...) const |
Issue fatal error message. More... | |
virtual TObject * | FindObject (const char *name) const |
Must be redefined in derived classes. More... | |
virtual TObject * | FindObject (const TObject *obj) const |
Must be redefined in derived classes. More... | |
virtual Option_t * | GetDrawOption () const |
Get option used by the graphics system to draw this object. More... | |
virtual const char * | GetIconName () const |
Returns mime type name of object. More... | |
virtual const char * | GetName () const |
Returns name of object. More... | |
virtual char * | GetObjectInfo (Int_t px, Int_t py) const |
Returns string containing info about the object at position (px,py). More... | |
virtual Option_t * | GetOption () const |
virtual const char * | GetTitle () const |
Returns title of object. More... | |
virtual UInt_t | GetUniqueID () const |
Return the unique object id. More... | |
virtual Bool_t | HandleTimer (TTimer *timer) |
Execute action in response of a timer timing out. More... | |
virtual ULong_t | Hash () const |
Return hash value for this object. More... | |
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. More... | |
virtual void | Info (const char *method, const char *msgfmt,...) const |
Issue info message. More... | |
virtual Bool_t | InheritsFrom (const char *classname) const |
Returns kTRUE if object inherits from class "classname". More... | |
virtual Bool_t | InheritsFrom (const TClass *cl) const |
Returns kTRUE if object inherits from TClass cl. More... | |
virtual void | Inspect () const |
Dump contents of this object in a graphics canvas. More... | |
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). More... | |
virtual Bool_t | IsFolder () const |
Returns kTRUE in case object contains browsable objects (like containers or lists of other objects). More... | |
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. More... | |
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). More... | |
virtual Bool_t | Notify () |
This method must be overridden to handle object notification. More... | |
void | Obsolete (const char *method, const char *asOfVers, const char *removedFromVers) const |
Use this method to declare a method obsolete. More... | |
void | operator delete (void *ptr) |
Operator delete. More... | |
void | operator delete[] (void *ptr) |
Operator delete []. More... | |
void * | operator new (size_t sz) |
void * | operator new (size_t sz, void *vp) |
void * | operator new[] (size_t sz) |
void * | operator new[] (size_t sz, void *vp) |
TObject & | operator= (const TObject &rhs) |
TObject assignment operator. More... | |
virtual void | Paint (Option_t *option="") |
This method must be overridden if a class wants to paint itself. More... | |
virtual void | Pop () |
Pop on object drawn in a pad to the top of the display list. More... | |
virtual Int_t | Read (const char *name) |
Read contents of object with specified name from the current directory. More... | |
virtual void | RecursiveRemove (TObject *obj) |
Recursively remove this object from a list. More... | |
void | ResetBit (UInt_t f) |
virtual void | SaveAs (const char *filename="", Option_t *option="") const |
Save this object in the file specified by filename. More... | |
virtual void | SavePrimitive (std::ostream &out, Option_t *option="") |
Save a primitive as a C++ statement(s) on output stream "out". More... | |
void | SetBit (UInt_t f, Bool_t set) |
Set or unset the user status bits as specified in f. More... | |
void | SetBit (UInt_t f) |
virtual void | SetDrawOption (Option_t *option="") |
Set drawing option for object. More... | |
virtual void | SetUniqueID (UInt_t uid) |
Set the unique object id. More... | |
virtual void | SysError (const char *method, const char *msgfmt,...) const |
Issue system error message. More... | |
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. More... | |
virtual void | Warning (const char *method, const char *msgfmt,...) const |
Issue warning message. More... | |
virtual Int_t | Write (const char *name=0, Int_t option=0, Int_t bufsize=0) |
Write this object to the current directory. More... | |
virtual Int_t | Write (const char *name=0, Int_t option=0, Int_t bufsize=0) const |
Write this object to the current directory. More... | |
Static Public Member Functions | |
static Double_t | Phi_0_2pi (Double_t x) |
Returns phi angle in the interval [0,2*PI) More... | |
static Double_t | Phi_mpi_pi (Double_t x) |
Returns phi angle in the interval [-PI,PI) More... | |
Static Public Member Functions inherited from TObject | |
static Long_t | GetDtorOnly () |
Return destructor only flag. More... | |
static Bool_t | GetObjectStat () |
Get status of object stat flag. More... | |
static void | SetDtorOnly (void *obj) |
Set destructor only flag. More... | |
static void | SetObjectStat (Bool_t stat) |
Turn on/off tracking of objects in the TObjectTable. More... | |
Protected Attributes | |
Double_t | fX |
Double_t | fY |
Friends | |
Double_t | operator* (const TVector2 &, const TVector2 &) |
TVector2 | operator* (const TVector2 &, Double_t) |
TVector2 | operator* (Double_t, const TVector2 &) |
TVector2 | operator+ (const TVector2 &, const TVector2 &) |
TVector2 | operator+ (const TVector2 &, Double_t) |
TVector2 | operator+ (Double_t, const TVector2 &) |
TVector2 | operator- (const TVector2 &, const TVector2 &) |
TVector2 | operator- (const TVector2 &, Double_t) |
TVector2 | operator/ (const TVector2 &, Double_t) |
Double_t | operator^ (const TVector2 &, const TVector2 &) |
Additional Inherited Members | |
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). More... | |
void | MakeZombie () |
#include <TVector2.h>
typedef Double_t TVector2::Scalar |
Definition at line 31 of file TVector2.h.
TVector2::TVector2 | ( | ) |
Constructor.
Definition at line 31 of file TVector2.cxx.
TVector2::TVector2 | ( | Double_t * | s | ) |
Constructor.
Definition at line 40 of file TVector2.cxx.
Constructor.
Definition at line 49 of file TVector2.cxx.
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virtual |
Definition at line 57 of file TVector2.cxx.
Definition at line 166 of file TVector2.h.
Double_t TVector2::Mod | ( | ) | const |
Return modulo of this vector.
Definition at line 64 of file TVector2.cxx.
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inline |
Definition at line 67 of file TVector2.h.
Definition at line 172 of file TVector2.h.
Definition at line 119 of file TVector2.h.
Definition at line 121 of file TVector2.h.
Definition at line 114 of file TVector2.h.
Definition at line 115 of file TVector2.h.
Definition at line 122 of file TVector2.h.
Definition at line 113 of file TVector2.h.
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inline |
Definition at line 168 of file TVector2.h.
Double_t TVector2::Phi | ( | ) | const |
Return vector phi.
Definition at line 80 of file TVector2.cxx.
Returns phi angle in the interval [0,2*PI)
Definition at line 88 of file TVector2.cxx.
Returns phi angle in the interval [-PI,PI)
Definition at line 101 of file TVector2.cxx.
This method must be overridden when a class wants to print itself.
Reimplemented from TObject.
Definition at line 152 of file TVector2.cxx.
Definition at line 170 of file TVector2.h.
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inline |
Definition at line 70 of file TVector2.h.
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inline |
Definition at line 71 of file TVector2.h.
Rotation by phi.
Definition at line 114 of file TVector2.cxx.
Definition at line 176 of file TVector2.h.
Definition at line 177 of file TVector2.h.
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inline |
Definition at line 178 of file TVector2.h.
Set vector using mag and phi.
Definition at line 122 of file TVector2.cxx.
Definition at line 179 of file TVector2.h.
Definition at line 180 of file TVector2.h.
TVector2 TVector2::Unit | ( | ) | const |
Return module normalized to 1.
Definition at line 72 of file TVector2.cxx.
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inline |
Definition at line 72 of file TVector2.h.
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inline |
Definition at line 73 of file TVector2.h.
Definition at line 154 of file TVector2.h.
Definition at line 146 of file TVector2.h.
Definition at line 150 of file TVector2.h.
Definition at line 126 of file TVector2.h.
Definition at line 130 of file TVector2.h.
Definition at line 134 of file TVector2.h.
Definition at line 138 of file TVector2.h.
Definition at line 142 of file TVector2.h.
Definition at line 158 of file TVector2.h.
Definition at line 162 of file TVector2.h.
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protected |
Definition at line 24 of file TVector2.h.
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protected |
Definition at line 25 of file TVector2.h.