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Reference Guide
TEvePointSelector Class Reference

TEvePointSelector is a sub-class of TSelectorDraw for direct extraction of point-like data from a Tree.

Definition at line 66 of file TEveTreeTools.h.

Public Member Functions

 TEvePointSelector (TTree *t=0, TEvePointSelectorConsumer *c=0, const char *vexp="", const char *sel="")
 Constructor. More...
virtual ~TEvePointSelector ()
TEvePointSelectorConsumerGetConsumer () const
const char * GetSelection () const
const char * GetSubIdExp () const
Int_t GetSubIdNum () const
TTreeGetTree () const
const char * GetVarexp () const
virtual Long64_t Select (const char *selection=0)
 Process the tree, select points matching 'selection'. More...
virtual Long64_t Select (TTree *t, const char *selection=0)
 Process tree 't', select points matching 'selection'. More...
void SetConsumer (TEvePointSelectorConsumer *c)
void SetSelection (const char *s)
void SetSubIdExp (const char *s)
void SetTree (TTree *t)
void SetVarexp (const char *v)
virtual void TakeAction ()
 Callback from tree-player after a chunk of data has been processed. More...
- Public Member Functions inherited from TSelectorDraw
 TSelectorDraw ()
 Default selector constructor. More...
virtual ~TSelectorDraw ()
 Selector destructor. More...
virtual void Begin (TTree *tree)
 Called every time a loop on the tree(s) starts. More...
virtual Int_t GetAction () const
virtual Bool_t GetCleanElist () const
virtual Int_t GetDimension () const
virtual Long64_t GetDrawFlag () const
Int_t GetMultiplicity () const
virtual Int_t GetNfill () const
TObjectGetObject () const
TH1GetOldHistogram () const
TTreeFormulaGetSelect () const
virtual Long64_t GetSelectedRows () const
TTreeGetTree () const
virtual Double_tGetV1 () const
 See TSelectorDraw::GetVal. More...
virtual Double_tGetV2 () const
 See TSelectorDraw::GetVal. More...
virtual Double_tGetV3 () const
 See TSelectorDraw::GetVal. More...
virtual Double_tGetV4 () const
 See TSelectorDraw::GetVal. More...
virtual Double_tGetVal (Int_t i) const
 Return the last values corresponding to the i-th component of the formula being processed (where the component are ':' separated). More...
TTreeFormulaGetVar (Int_t i) const
 Return the TTreeFormula corresponding to the i-th component of the request formula (where the component are ':' separated). More...
TTreeFormulaGetVar1 () const
 See TSelectorDraw::GetVar. More...
TTreeFormulaGetVar2 () const
 See TSelectorDraw::GetVar. More...
TTreeFormulaGetVar3 () const
 See TSelectorDraw::GetVar. More...
TTreeFormulaGetVar4 () const
 See TSelectorDraw::GetVar. More...
virtual Double_tGetW () const
virtual Bool_t Notify ()
 This function is called at the first entry of a new tree in a chain. More...
virtual Bool_t Process (Long64_t)
 The Process() function is called for each entry in the tree (or possibly keyed object in the case of PROOF) to be processed. More...
virtual void ProcessFill (Long64_t entry)
 Called in the entry loop for all entries accepted by Select. More...
virtual void ProcessFillMultiple (Long64_t entry)
 Called in the entry loop for all entries accepted by Select. More...
virtual void ProcessFillObject (Long64_t entry)
 Called in the entry loop for all entries accepted by Select. More...
virtual void SetEstimate (Long64_t n)
 Set number of entries to estimate variable limits. More...
virtual UInt_t SplitNames (const TString &varexp, std::vector< TString > &names)
 Build Index array for names in varexp. More...
virtual void TakeEstimate ()
 Estimate limits for 1-D, 2-D or 3-D objects. More...
virtual void Terminate ()
 Called at the end of a loop on a TTree. More...
- Public Member Functions inherited from TSelector
 TSelector ()
 Default selector ctor. More...
virtual ~TSelector ()
 Selector destructor. More...
virtual void Abort (const char *why, EAbort what=kAbortProcess)
 Abort processing. More...
virtual EAbort GetAbort () const
virtual Int_t GetEntry (Long64_t, Int_t=0)
virtual TListGetInputList () const
virtual const char * GetOption () const
virtual TListGetOutputList () const
virtual Long64_t GetStatus () const
virtual void ImportOutput (TList *output)
 Imports the content of 'output' in the internal output list. More...
virtual void Init (TTree *)
virtual Bool_t ProcessCut (Long64_t)
 This method is called before processing entry. More...
virtual void ResetAbort ()
virtual void SetInputList (TList *input)
virtual void SetObject (TObject *obj)
virtual void SetOption (const char *option)
virtual void SetStatus (Long64_t status)
virtual void SlaveBegin (TTree *)
virtual void SlaveTerminate ()
virtual int Version () 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 ()
 Check and record whether 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 TObjectClone (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 TObjectDrawClone (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 TObjectFindObject (const char *name) const
 Must be redefined in derived classes. More...
virtual TObjectFindObject (const TObject *obj) const
 Must be redefined in derived classes. More...
virtual Option_tGetDrawOption () 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 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...
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...
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. 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 void Print (Option_t *option="") const
 This method must be overridden when a class wants to print itself. 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)
void SetBit (UInt_t f, Bool_t set)
 Set or unset the user status bits as specified in f. More...
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...

Protected Attributes

TList fInputList
TString fSelection
TString fSubIdExp
Int_t fSubIdNum
TString fVarexp
- Protected Attributes inherited from TSelectorDraw
Int_t fAction
 ! Action type More...
Bool_t fCleanElist
 True if original Tree elist must be saved. More...
Long64_t fCurrentSubEntry
 Current subentry when fSelectMultiple is true. Used to fill TEntryListArray. More...
Int_t fDimension
 Dimension of the current expression. More...
Long64_t fDraw
 ! Last entry loop number when object was drawn More...
Int_t fForceRead
 Force Read flag. More...
 Pointer to the formula manager. More...
Int_t fMultiplicity
 Indicator of the variability of the size of entries. More...
 ![fDimension] Number of bins per dimension More...
Int_t fNfill
 ! Total number of histogram fills More...
Bool_t fObjEval
 True if fVar1 returns an object (or pointer to). More...
Long64_t fOldEstimate
 Value of Tree fEstimate when selector is called. More...
 ! Pointer to previously used histogram More...
 Pointer to selection formula. More...
Long64_t fSelectedRows
 Number of selected entries. More...
Bool_t fSelectMultiple
 True if selection has a variable index. More...
 Pointer to current Tree. More...
 Pointer to Tree Event list. More...
 ! Pointer to Tree Event list array More...
Double_t ** fVal
 ![fSelectedRows][fDimension] Local buffer for the variables More...
Int_t fValSize
TTreeFormula ** fVar
 ![fDimension] Array of pointers to variables formula More...
 ![fDimension] True if fVar[i] has a variable index More...
 ![fDimension] Maxima of varexp columns More...
 ![fDimension] Minima of varexp columns More...
 ![fSelectedRows]Local buffer for weights More...
Double_t fWeight
 Tree weight (see TTree::SetWeight) More...
- Protected Attributes inherited from TSelector
EAbort fAbort
 Abort status. More...
 List of objects available during processing. More...
 ! Current object if processing object (vs. TTree) More...
TString fOption
 Option given to TTree::Process. More...
 ! List of objects created during processing More...
Long64_t fStatus
 Selector status. More...

Private Member Functions

 TEvePointSelector (const TEvePointSelector &)=delete
TEvePointSelectoroperator= (const TEvePointSelector &)=delete

Additional Inherited Members

- Public Types inherited from TSelector
enum  EAbort { kContinue, kAbortProcess, kAbortFile }
- 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)
- Static Public Member Functions inherited from TSelector
static TSelectorGetSelector (const char *filename)
 The code in filename is loaded (interpreted or compiled, see below), filename must contain a valid class implementation derived from TSelector. More...
static Bool_t IsStandardDraw (const char *selec)
 Find out if this is a standard selection used for Draw actions (either TSelectorDraw, TProofDraw or deriving from them). More...
- Static Public Member Functions inherited from TObject
static Longptr_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 Types inherited from TSelectorDraw
enum  EStatusBits { kWarn = BIT(12) }
- Protected Types inherited from TObject
enum  { kOnlyPrepStep = BIT(3) }
- Protected Member Functions inherited from TSelectorDraw
virtual void ClearFormula ()
 Delete internal buffers. More...
virtual Bool_t CompileVariables (const char *varexp="", const char *selection="")
 Compile input variables and selection expression. More...
virtual void InitArrays (Int_t newsize)
 Initialization of the primitive type arrays if the new size is bigger than the available space. More...
- 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 <TEveTreeTools.h>

Inheritance diagram for TEvePointSelector:

Constructor & Destructor Documentation

◆ TEvePointSelector() [1/2]

TEvePointSelector::TEvePointSelector ( const TEvePointSelector )

◆ TEvePointSelector() [2/2]

TEvePointSelector::TEvePointSelector ( TTree t = 0,
TEvePointSelectorConsumer c = 0,
const char *  vexp = "",
const char *  sel = "" 


Definition at line 69 of file TEveTreeTools.cxx.

◆ ~TEvePointSelector()

virtual TEvePointSelector::~TEvePointSelector ( )

Definition at line 86 of file TEveTreeTools.h.

Member Function Documentation

◆ GetConsumer()

TEvePointSelectorConsumer* TEvePointSelector::GetConsumer ( ) const

Definition at line 96 of file TEveTreeTools.h.

◆ GetSelection()

const char* TEvePointSelector::GetSelection ( ) const

Definition at line 102 of file TEveTreeTools.h.

◆ GetSubIdExp()

const char* TEvePointSelector::GetSubIdExp ( ) const

Definition at line 105 of file TEveTreeTools.h.

◆ GetSubIdNum()

Int_t TEvePointSelector::GetSubIdNum ( ) const

Definition at line 108 of file TEveTreeTools.h.

◆ GetTree()

TTree* TEvePointSelector::GetTree ( ) const

Definition at line 93 of file TEveTreeTools.h.

◆ GetVarexp()

const char* TEvePointSelector::GetVarexp ( ) const

Definition at line 99 of file TEveTreeTools.h.

◆ operator=()

TEvePointSelector& TEvePointSelector::operator= ( const TEvePointSelector )

◆ Select() [1/2]

Long64_t TEvePointSelector::Select ( const char *  selection = 0)

Process the tree, select points matching 'selection'.

Definition at line 88 of file TEveTreeTools.cxx.

◆ Select() [2/2]

Long64_t TEvePointSelector::Select ( TTree t,
const char *  selection = 0 

Process tree 't', select points matching 'selection'.

Definition at line 120 of file TEveTreeTools.cxx.

◆ SetConsumer()

void TEvePointSelector::SetConsumer ( TEvePointSelectorConsumer c)

Definition at line 97 of file TEveTreeTools.h.

◆ SetSelection()

void TEvePointSelector::SetSelection ( const char *  s)

Definition at line 103 of file TEveTreeTools.h.

◆ SetSubIdExp()

void TEvePointSelector::SetSubIdExp ( const char *  s)

Definition at line 106 of file TEveTreeTools.h.

◆ SetTree()

void TEvePointSelector::SetTree ( TTree t)

Definition at line 94 of file TEveTreeTools.h.

◆ SetVarexp()

void TEvePointSelector::SetVarexp ( const char *  v)

Definition at line 100 of file TEveTreeTools.h.

◆ TakeAction()

void TEvePointSelector::TakeAction ( )

Callback from tree-player after a chunk of data has been processed.

This is forwarded to the current point-consumer.

Reimplemented from TSelectorDraw.

Definition at line 130 of file TEveTreeTools.cxx.

Member Data Documentation

◆ fConsumer

TEvePointSelectorConsumer* TEvePointSelector::fConsumer

Definition at line 73 of file TEveTreeTools.h.

◆ fInputList

TList TEvePointSelector::fInputList

Definition at line 81 of file TEveTreeTools.h.

◆ fSelection

TString TEvePointSelector::fSelection

Definition at line 76 of file TEveTreeTools.h.

◆ fSelectTree

TTree* TEvePointSelector::fSelectTree

Definition at line 72 of file TEveTreeTools.h.

◆ fSubIdExp

TString TEvePointSelector::fSubIdExp

Definition at line 78 of file TEveTreeTools.h.

◆ fSubIdNum

Int_t TEvePointSelector::fSubIdNum

Definition at line 79 of file TEveTreeTools.h.

◆ fVarexp

TString TEvePointSelector::fVarexp

Definition at line 75 of file TEveTreeTools.h.

Libraries for TEvePointSelector:

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