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=nullptr, TEvePointSelectorConsumer c=nullptr, const char vexp="", const char sel="")
	Constructor.

	~TEvePointSelector () override

TEvePointSelectorConsumer *	GetConsumer () const

const char *	GetSelection () const

const char *	GetSubIdExp () const

Int_t	GetSubIdNum () const

TTree *	GetTree () const

const char *	GetVarexp () const

TClass *	IsA () const override

virtual Long64_t	Select (const char *selection=nullptr)
	Process the tree, select points matching 'selection'.

virtual Long64_t	Select (TTree t, const char selection=nullptr)
	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)

void	Streamer (TBuffer &) override
	Stream an object of class TObject.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

void	TakeAction () override
	Callback from tree-player after a chunk of data has been processed.

Public Member Functions inherited from TSelectorDraw
	TSelectorDraw ()
	Default selector constructor.

	~TSelectorDraw () override
	Selector destructor.

void	Begin (TTree *tree) override
	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

TObject *	GetObject () const

TH1 *	GetOldHistogram () const

TTreeFormula *	GetSelect () const

virtual Long64_t	GetSelectedRows () const

TTree *	GetTree () const

virtual Double_t *	GetV1 () const
	See TSelectorDraw::GetVal.

virtual Double_t *	GetV2 () const
	See TSelectorDraw::GetVal.

virtual Double_t *	GetV3 () const
	See TSelectorDraw::GetVal.

virtual Double_t *	GetV4 () const
	See TSelectorDraw::GetVal.

virtual Double_t *	GetVal (Int_t i) const
	Return the last values corresponding to the i-th component of the formula being processed (where the component are ':' separated).

TTreeFormula *	GetVar (Int_t i) const
	Return the TTreeFormula corresponding to the i-th component of the request formula (where the component are ':' separated).

TTreeFormula *	GetVar1 () const
	See TSelectorDraw::GetVar.

TTreeFormula *	GetVar2 () const
	See TSelectorDraw::GetVar.

TTreeFormula *	GetVar3 () const
	See TSelectorDraw::GetVar.

TTreeFormula *	GetVar4 () const
	See TSelectorDraw::GetVar.

virtual Double_t *	GetW () const

TClass *	IsA () const override

Bool_t	Notify () override
	This function is called at the first entry of a new tree in a chain.

Bool_t	Process (Long64_t) override
	The Process() function is called for each entry in the tree (or possibly keyed object in the case of PROOF) to be processed.

void	ProcessFill (Long64_t entry) override
	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.

void	Streamer (TBuffer &) override
	Stream an object of class TObject.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

virtual void	TakeEstimate ()
	Estimate limits for 1-D, 2-D or 3-D objects.

void	Terminate () override
	Called at the end of a loop on a TTree.

Public Member Functions inherited from TSelector
	TSelector ()
	Default selector ctor.

	~TSelector () override
	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 TList *	GetInputList () const

const char *	GetOption () const override

virtual TList *	GetOutputList () 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)
	This method is called before processing entry.

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 ()

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

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 TObject *	Clone (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 TObject *	DrawClone (Option_t *option="") const
	Draw a clone of this object in the current selected pad with: `gROOT->SetSelectedPad(c1)`.

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=nullptr)
	Execute method on this object with the given parameter string, e.g.

virtual void	Execute (TMethod method, TObjArray params, Int_t *error=nullptr)
	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 TObject *	FindObject (const char *name) const
	Must be redefined in derived classes.

virtual TObject *	FindObject (const TObject *obj) const
	Must be redefined in derived classes.

virtual Option_t *	GetDrawOption () 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)

Bool_t	IsDestructed () const
	IsDestructed.

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, void vp)
	Only called by placement new when throwing an exception.

void	operator delete[] (void *ptr)
	Operator delete [].

void	operator delete[] (void ptr, void vp)
	Only called by placement new[] when throwing an exception.

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.

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.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

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=nullptr, Int_t option=0, Int_t bufsize=0)
	Write this object to the current directory.

virtual Int_t	Write (const char *name=nullptr, Int_t option=0, Int_t bufsize=0) const
	Write this object to the current directory.

Static Public Member Functions
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

Static Public Member Functions inherited from TSelectorDraw
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

Static Public Member Functions inherited from TSelector
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

static TSelector *	GetSelector (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 TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

static Longptr_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 Attributes
TEvePointSelectorConsumer *	fConsumer

TList	fInputList

TString	fSelection

TTree *	fSelectTree

TString	fSubIdExp

Int_t	fSubIdNum

TString	fVarexp

Protected Attributes inherited from TSelectorDraw
Int_t	fAction
	! Action type

Bool_t	fCleanElist
	True if original Tree elist must be saved.

Long64_t	fCurrentSubEntry
	Current subentry when fSelectMultiple is true. Used to fill TEntryListArray.

Int_t	fDimension
	Dimension of the current expression.

Long64_t	fDraw
	! Last entry loop number when object was drawn

Int_t	fForceRead
	Force Read flag.

TTreeFormulaManager *	fManager
	Pointer to the formula manager.

Int_t	fMultiplicity
	Indicator of the variability of the size of entries.

Int_t *	fNbins
	![fDimension] Number of bins per dimension

Int_t	fNfill
	! Total number of histogram fills

Bool_t	fObjEval
	True if fVar1 returns an object (or pointer to).

Long64_t	fOldEstimate
	Value of Tree fEstimate when selector is called.

TH1 *	fOldHistogram
	! Pointer to previously used histogram

TTreeFormula *	fSelect
	Pointer to selection formula.

Long64_t	fSelectedRows
	Number of selected entries.

Bool_t	fSelectMultiple
	True if selection has a variable index.

TTree *	fTree
	Pointer to current Tree.

TObject *	fTreeElist
	Pointer to Tree Event list.

TEntryListArray *	fTreeElistArray
	! Pointer to Tree Event list array

Double_t **	fVal
	![fSelectedRows][fDimension] Local buffer for the variables

Int_t	fValSize

TTreeFormula **	fVar
	![fDimension] Array of pointers to variables formula

Bool_t *	fVarMultiple
	![fDimension] True if fVar[i] has a variable index

Double_t *	fVmax
	![fDimension] Maxima of varexp columns

Double_t *	fVmin
	![fDimension] Minima of varexp columns

Double_t *	fW
	![fSelectedRows]Local buffer for weights

Double_t	fWeight
	Tree weight (see TTree::SetWeight)

Protected Attributes inherited from TSelector
EAbort	fAbort
	Abort status.

TList *	fInput
	List of objects available during processing.

TObject *	fObject
	! Current object if processing object (vs. TTree)

TString	fOption
	Option given to TTree::Process.

TSelectorList *	fOutput
	! List of objects created during processing

Long64_t	fStatus
	Selector status.

Private Member Functions
	TEvePointSelector (const TEvePointSelector &)=delete

TEvePointSelector &	operator= (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 = (1ULL << ( 0 )) , kOverwrite = (1ULL << ( 1 )) , kWriteDelete = (1ULL << ( 2 )) }

enum	EDeprecatedStatusBits { kObjInCanvas = (1ULL << ( 3 )) }

enum	EStatusBits { kCanDelete = (1ULL << ( 0 )) , kMustCleanup = (1ULL << ( 3 )) , kIsReferenced = (1ULL << ( 4 )) , kHasUUID = (1ULL << ( 5 )) , kCannotPick = (1ULL << ( 6 )) , kNoContextMenu = (1ULL << ( 8 )) , kInvalidObject = (1ULL << ( 13 )) }

Protected Types inherited from TSelectorDraw
enum	EStatusBits { kWarn = (1ULL << ( 12 )) }

Protected Types inherited from TObject
enum	{ kOnlyPrepStep = (1ULL << ( 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:

[legend]

Constructor & Destructor Documentation

◆ TEvePointSelector() [1/2]

TEvePointSelector::TEvePointSelector ( const TEvePointSelector & )

privatedelete

◆ TEvePointSelector() [2/2]

TEvePointSelector::TEvePointSelector	(	TTree *	t = `nullptr`,
		TEvePointSelectorConsumer *	c = `nullptr`,
		const char *	vexp = `""`,
		const char *	sel = `""`
	)

Constructor.

Definition at line 69 of file TEveTreeTools.cxx.

◆ ~TEvePointSelector()

TEvePointSelector::~TEvePointSelector ( )

inlineoverride

Definition at line 86 of file TEveTreeTools.h.

Member Function Documentation

◆ Class()

static TClass * TEvePointSelector::Class ( )

static

Returns: TClass describing this class

◆ Class_Name()

static const char * TEvePointSelector::Class_Name ( )

static

Returns: Name of this class

◆ Class_Version()

static constexpr Version_t TEvePointSelector::Class_Version ( )

inlinestaticconstexpr

Returns: Version of this class

Definition at line 110 of file TEveTreeTools.h.

◆ DeclFileName()

static const char * TEvePointSelector::DeclFileName ( )

inlinestatic

Returns: Name of the file containing the class declaration

Definition at line 110 of file TEveTreeTools.h.

◆ GetConsumer()

TEvePointSelectorConsumer * TEvePointSelector::GetConsumer ( ) const

inline

Definition at line 96 of file TEveTreeTools.h.

◆ GetSelection()

const char * TEvePointSelector::GetSelection ( ) const

inline

Definition at line 102 of file TEveTreeTools.h.

◆ GetSubIdExp()

const char * TEvePointSelector::GetSubIdExp ( ) const

inline

Definition at line 105 of file TEveTreeTools.h.

◆ GetSubIdNum()

Int_t TEvePointSelector::GetSubIdNum ( ) const

inline

Definition at line 108 of file TEveTreeTools.h.

◆ GetTree()

TTree * TEvePointSelector::GetTree ( ) const

inline

Definition at line 93 of file TEveTreeTools.h.

◆ GetVarexp()

const char * TEvePointSelector::GetVarexp ( ) const

inline

Definition at line 99 of file TEveTreeTools.h.

◆ IsA()

TClass * TEvePointSelector::IsA ( ) const

inlineoverridevirtual

Returns: TClass describing current object

Reimplemented from TObject.

Definition at line 110 of file TEveTreeTools.h.

◆ operator=()

TEvePointSelector & TEvePointSelector::operator= ( const TEvePointSelector & )

privatedelete

◆ Select() [1/2]

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

virtual

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 = `nullptr`
	)

virtual

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

Definition at line 120 of file TEveTreeTools.cxx.

◆ SetConsumer()

void TEvePointSelector::SetConsumer ( TEvePointSelectorConsumer * c )

inline

Definition at line 97 of file TEveTreeTools.h.

◆ SetSelection()

void TEvePointSelector::SetSelection ( const char * s )

inline

Definition at line 103 of file TEveTreeTools.h.

◆ SetSubIdExp()

void TEvePointSelector::SetSubIdExp ( const char * s )

inline

Definition at line 106 of file TEveTreeTools.h.

◆ SetTree()

void TEvePointSelector::SetTree ( TTree * t )

inline

Definition at line 94 of file TEveTreeTools.h.

◆ SetVarexp()

void TEvePointSelector::SetVarexp ( const char * v )

inline

Definition at line 100 of file TEveTreeTools.h.

◆ Streamer()

void TEvePointSelector::Streamer ( TBuffer & R__b )

overridevirtual

Stream an object of class TObject.

Reimplemented from TObject.

◆ StreamerNVirtual()

void TEvePointSelector::StreamerNVirtual ( TBuffer & ClassDef_StreamerNVirtual_b )

inline

Definition at line 110 of file TEveTreeTools.h.

◆ TakeAction()

void TEvePointSelector::TakeAction ( )

overridevirtual

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

protected

Definition at line 73 of file TEveTreeTools.h.

◆ fInputList

TList TEvePointSelector::fInputList

protected

Definition at line 81 of file TEveTreeTools.h.

◆ fSelection

TString TEvePointSelector::fSelection

protected

Definition at line 76 of file TEveTreeTools.h.

◆ fSelectTree

TTree* TEvePointSelector::fSelectTree

protected

Definition at line 72 of file TEveTreeTools.h.

◆ fSubIdExp

TString TEvePointSelector::fSubIdExp

protected

Definition at line 78 of file TEveTreeTools.h.

◆ fSubIdNum

Int_t TEvePointSelector::fSubIdNum

protected

Definition at line 79 of file TEveTreeTools.h.

◆ fVarexp

TString TEvePointSelector::fVarexp

protected

Definition at line 75 of file TEveTreeTools.h.

Libraries for TEvePointSelector:

[legend]

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

graf3d/eve/inc/TEveTreeTools.h
graf3d/eve/src/TEveTreeTools.cxx

Public Member Functions

Static Public Member Functions

Protected Attributes

Private Member Functions

Additional Inherited Members

Constructor & Destructor Documentation

◆ TEvePointSelector() [1/2]

◆ TEvePointSelector() [2/2]

◆ ~TEvePointSelector()

Member Function Documentation

◆ Class()

◆ Class_Name()

◆ Class_Version()

◆ DeclFileName()

◆ GetConsumer()

◆ GetSelection()

◆ GetSubIdExp()

◆ GetSubIdNum()

◆ GetTree()

◆ GetVarexp()

◆ IsA()

◆ operator=()

◆ Select() [1/2]

◆ Select() [2/2]

◆ SetConsumer()

◆ SetSelection()

◆ SetSubIdExp()

◆ SetTree()

◆ SetVarexp()

◆ Streamer()

◆ StreamerNVirtual()

◆ TakeAction()

Member Data Documentation

◆ fConsumer

◆ fInputList

◆ fSelection

◆ fSelectTree

◆ fSubIdExp

◆ fSubIdNum

◆ fVarexp