ROOT logo

class TVector2: public TObject

Function Members (Methods)

TVector2(Double_t* s)
TVector2(const TVector2&)
TVector2(Double_t x0, Double_t y0)
voidTObject::AbstractMethod(const char* method) const
virtual voidTObject::AppendPad(Option_t* option = "")
virtual voidTObject::Browse(TBrowser* b)
static TClass*Class()
virtual const char*TObject::ClassName() const
virtual voidTObject::Clear(Option_t* = "")
virtual TObject*TObject::Clone(const char* newname = "") const
virtual Int_tTObject::Compare(const TObject* obj) const
virtual voidTObject::Copy(TObject& object) const
virtual voidTObject::Delete(Option_t* option = "")MENU
Double_tDeltaPhi(const TVector2& v) const
virtual Int_tTObject::DistancetoPrimitive(Int_t px, Int_t py)
virtual voidTObject::Draw(Option_t* option = "")
virtual voidTObject::DrawClass() constMENU
virtual TObject*TObject::DrawClone(Option_t* option = "") constMENU
virtual voidTObject::Dump() constMENU
virtual voidTObject::Error(const char* method, const char* msgfmt) const
virtual voidTObject::Execute(const char* method, const char* params, Int_t* error = 0)
virtual voidTObject::Execute(TMethod* method, TObjArray* params, Int_t* error = 0)
virtual voidTObject::ExecuteEvent(Int_t event, Int_t px, Int_t py)
virtual voidTObject::Fatal(const char* method, const char* msgfmt) const
virtual TObject*TObject::FindObject(const char* name) const
virtual TObject*TObject::FindObject(const TObject* obj) const
virtual Option_t*TObject::GetDrawOption() const
static Long_tTObject::GetDtorOnly()
virtual const char*TObject::GetIconName() const
virtual const char*TObject::GetName() const
virtual char*TObject::GetObjectInfo(Int_t px, Int_t py) const
static Bool_tTObject::GetObjectStat()
virtual Option_t*TObject::GetOption() const
virtual const char*TObject::GetTitle() const
virtual UInt_tTObject::GetUniqueID() const
virtual Bool_tTObject::HandleTimer(TTimer* timer)
virtual ULong_tTObject::Hash() const
virtual voidTObject::Info(const char* method, const char* msgfmt) const
virtual Bool_tTObject::InheritsFrom(const char* classname) const
virtual Bool_tTObject::InheritsFrom(const TClass* cl) const
virtual voidTObject::Inspect() constMENU
voidTObject::InvertBit(UInt_t f)
virtual TClass*IsA() const
virtual Bool_tTObject::IsEqual(const TObject* obj) const
virtual Bool_tTObject::IsFolder() const
Bool_tTObject::IsOnHeap() const
virtual Bool_tTObject::IsSortable() const
Bool_tTObject::IsZombie() const
virtual voidTObject::ls(Option_t* option = "") const
voidTObject::MayNotUse(const char* method) const
Double_tMod() const
Double_tMod2() const
TVector2Norm(const TVector2& v) const
virtual Bool_tTObject::Notify()
voidTObject::Obsolete(const char* method, const char* asOfVers, const char* removedFromVers) const
static voidTObject::operator delete(void* ptr)
static voidTObject::operator delete(void* ptr, void* vp)
static voidTObject::operator delete[](void* ptr)
static voidTObject::operator delete[](void* ptr, void* vp)
void*TObject::operator new(size_t sz)
void*TObject::operator new(size_t sz, void* vp)
void*TObject::operator new[](size_t sz)
void*TObject::operator new[](size_t sz, void* vp)
Double_toperator*=(TVector2 const& v)
TVector2&operator*=(Double_t s)
Double_toperator*=(const TVector2& v)
TVector2&operator+=(TVector2 const& v)
TVector2&operator-=(TVector2 const& v)
TVector2&operator/=(Double_t s)
TVector2&operator=(TVector2 const& v)
TVector2Ort() const
virtual voidTObject::Paint(Option_t* option = "")
Double_tPhi() const
static Double_tPhi_0_2pi(Double_t x)
static Double_tPhi_mpi_pi(Double_t x)
virtual voidTObject::Pop()
virtual voidPrint(Option_t* option = "") const
TVector2Proj(const TVector2& v) const
Double_tPx() const
Double_tPy() const
virtual Int_tTObject::Read(const char* name)
virtual voidTObject::RecursiveRemove(TObject* obj)
voidTObject::ResetBit(UInt_t f)
TVector2Rotate(Double_t phi) const
virtual voidTObject::SaveAs(const char* filename = "", Option_t* option = "") constMENU
virtual voidTObject::SavePrimitive(ostream& out, Option_t* option = "")
voidSet(const TVector2& v)
voidSet(Double_t x0, Double_t y0)
voidSet(float x0, float y0)
voidTObject::SetBit(UInt_t f)
voidTObject::SetBit(UInt_t f, Bool_t set)
virtual voidTObject::SetDrawOption(Option_t* option = "")MENU
static voidTObject::SetDtorOnly(void* obj)
voidSetMagPhi(Double_t mag, Double_t phi)
static voidTObject::SetObjectStat(Bool_t stat)
virtual voidTObject::SetUniqueID(UInt_t uid)
virtual voidShowMembers(TMemberInspector& insp)
virtual voidStreamer(TBuffer& b)
voidStreamerNVirtual(TBuffer& b)
virtual voidTObject::SysError(const char* method, const char* msgfmt) const
Bool_tTObject::TestBit(UInt_t f) const
Int_tTObject::TestBits(UInt_t f) const
TVector2Unit() const
virtual voidTObject::UseCurrentStyle()
virtual voidTObject::Warning(const char* method, const char* msgfmt) const
virtual Int_tTObject::Write(const char* name = 0, Int_t option = 0, Int_t bufsize = 0)
virtual Int_tTObject::Write(const char* name = 0, Int_t option = 0, Int_t bufsize = 0) const
Double_tX() const
Double_tY() const
virtual voidTObject::DoError(int level, const char* location, const char* fmt, va_list va) const

Data Members

Double_tfXcomponents of the vector

Class Charts

Inheritance Inherited Members Includes Libraries
Class Charts

Function documentation

TVector2(Double_t* s)
TVector2(Double_t x0, Double_t y0)
Double_t Mod() const
 return modulo of this vector
TVector2 Unit() const
 return module normalized to 1
Double_t Phi() const
 return vector phi
Double_t Phi_0_2pi(Double_t x)
 (static function) returns phi angle in the interval [0,2*PI)
Double_t Phi_mpi_pi(Double_t x)
 (static function) returns phi angle in the interval [-PI,PI)
TVector2 Rotate(Double_t phi) const
rotation by phi
void SetMagPhi(Double_t mag, Double_t phi)
set vector using mag and phi
void Streamer(TBuffer& b)
 Stream an object of class TVector2.
void Print(Option_t* option = "") const
print vector parameters
Double_t DeltaPhi(const TVector2& v) const
{ return Phi_mpi_pi(Phi()-v.Phi()); }
TVector2 Ort() const
{ return Unit(); }
TVector2 Proj(const TVector2& v) const
{ return v*(((*this)*v)/v.Mod2()); }
TVector2 Norm(const TVector2& v) const
{return *this-Proj(v); }
void Set(const TVector2& v)
{ fX = v.fX; fY = v.fY; }
void Set(Double_t x0, Double_t y0)
{ fX = x0 ; fY = y0 ; }
void Set(float x0, float y0)
{ fX = x0 ; fY = y0 ; }
  function members

Double_t Mod2() const
 ****** other member functions
{ return fX*fX+fY*fY; }
Double_t Px() const
{ return fX; }
Double_t Py() const
{ return fY; }
Double_t X() const
{ return fX; }
Double_t Y() const
{ return fY; }