Logo ROOT  
Reference Guide
No Matches
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="")
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'.
virtual Long64_t Select (TTree *t, const char *selection=0)
 Process tree 't', select points matching 'selection'.
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.
- Public Member Functions inherited from TSelectorDraw
 TSelectorDraw ()
 Default selector constructor.
virtual ~TSelectorDraw ()
 Selector destructor.
virtual void Begin (TTree *tree)
 Called every time a loop on the tree(s) starts.
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
virtual Double_tGetV2 () const
virtual Double_tGetV3 () const
virtual Double_tGetV4 () const
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).
TTreeFormulaGetVar (Int_t i) const
 Return the TTreeFormula corresponding to the i-th component of the request formula (where the component are ':' separated).
TTreeFormulaGetVar1 () const
TTreeFormulaGetVar2 () const
TTreeFormulaGetVar3 () const
TTreeFormulaGetVar4 () const
virtual Double_tGetW () const
virtual Bool_t Notify ()
 This function is called at the first entry of a new tree in a chain.
virtual Bool_t Process (Long64_t)
virtual void ProcessFill (Long64_t entry)
 Called in the entry loop for all entries accepted by Select.
virtual void ProcessFillMultiple (Long64_t entry)
 Called in the entry loop for all entries accepted by Select.
virtual void ProcessFillObject (Long64_t entry)
 Called in the entry loop for all entries accepted by Select.
virtual void SetEstimate (Long64_t n)
 Set number of entries to estimate variable limits.
virtual UInt_t SplitNames (const TString &varexp, std::vector< TString > &names)
 Build Index array for names in varexp.
virtual void TakeEstimate ()
 Estimate limits for 1-D, 2-D or 3-D objects.
virtual void Terminate ()
 Called at the end of a loop on a TTree.
- Public Member Functions inherited from TSelector
 TSelector ()
 Default selector ctor.
virtual ~TSelector ()
 Selector destructor.
virtual void Abort (const char *why, EAbort what=kAbortProcess)
 Abort processing.
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.
virtual void Init (TTree *)
virtual Bool_t ProcessCut (Long64_t)
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.
 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.
virtual void AppendPad (Option_t *option="")
 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 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).
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 Attributes

TList fInput
TString fSelection
TString fSubIdExp
Int_t fSubIdNum
TString fVarexp
- Protected Attributes inherited from TSelectorDraw
Int_t fAction
 Pointer to previously used histogram.
Bool_t fCleanElist
Long64_t fCurrentSubEntry
Int_t fDimension
Long64_t fDraw
 Action type.
Int_t fForceRead
Int_t fMultiplicity
 Total number of histogram fills.
Int_t fNfill
 Last entry loop number when object was drawn.
Bool_t fObjEval
Long64_t fOldEstimate
 pointer to Tree Event list array
 [fDimension] Array of pointers to variables formula
Long64_t fSelectedRows
Bool_t fSelectMultiple
 [fDimension] true if fVar[i] has a variable index
Double_t ** fVal
Int_t fValSize
 [fSelectedRows][fDimension] Local buffer for the variables
TTreeFormula ** fVar
 [fSelectedRows]Local buffer for weights
 [fDimension] Minima of varexp columns
 [fDimension] Number of bins per dimension
Double_t fWeight
 [fDimension] Maxima of varexp columns
- Protected Attributes inherited from TSelector
EAbort fAbort
 Abort status.
 List of objects available during processing.
 ! Current object if processing object (vs. TTree)
TString fOption
 Option given to TTree::Process.
 ! List of objects created during processing
Long64_t fStatus
 Selector status.

Private Member Functions

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

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.
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).
- 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 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.
virtual Bool_t CompileVariables (const char *varexp="", const char *selection="")
 Compile input variables and selection expression.
virtual void InitArrays (Int_t newsize)
 Initialization of the primitive type arrays if the new size is bigger than the available space.
- 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 ()

#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 68 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 86 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 118 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 128 of file TEveTreeTools.cxx.

Member Data Documentation

◆ fConsumer

TEvePointSelectorConsumer* TEvePointSelector::fConsumer

Definition at line 73 of file TEveTreeTools.h.

◆ fInput

TList TEvePointSelector::fInput

Definition at line 81 of file TEveTreeTools.h.

◆ fSelection

TString TEvePointSelector::fSelection

Definition at line 76 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.

◆ fTree

TTree* TEvePointSelector::fTree

Definition at line 72 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: