RooTreeDataStore is the abstract base class for data collection that use a TTree as internal storage mechanism.

Definition at line 29 of file RooTreeDataStore.h.

Public Member Functions
	RooTreeDataStore ()

	RooTreeDataStore (TTree t, const RooArgSet &vars, const char wgtVarName=0)
	Constructor to facilitate reading of legacy RooDataSets. More...

	RooTreeDataStore (const char name, const char title, const RooArgSet &vars, const char *wgtVarName=0)

virtual RooAbsDataStore *	clone (const char *newname=0) const

virtual RooAbsDataStore *	clone (const RooArgSet &vars, const char *newname=0) const

	RooTreeDataStore (const char name, const char title, const RooArgSet &vars, TTree &t, const RooFormulaVar &select, const char *wgtVarName=0)

	RooTreeDataStore (const char name, const char title, const RooArgSet &vars, TTree &t, const char selExpr=0, const char wgtVarName=0)

	RooTreeDataStore (const char name, const char title, const RooArgSet &vars, const RooAbsDataStore &tds, const RooFormulaVar &select, const char *wgtVarName=0)

	RooTreeDataStore (const char name, const char title, const RooArgSet &vars, const RooAbsDataStore &tds, const char selExpr=0, const char wgtVarName=0)

	RooTreeDataStore (const char name, const char title, RooAbsDataStore &tds, const RooArgSet &vars, const RooFormulaVar cutVar, const char cutRange, Int_t nStart, Int_t nStop, Bool_t, const char *wgtVarName=0)

	RooTreeDataStore (const RooTreeDataStore &other, const char *newname=0)

	RooTreeDataStore (const RooTreeDataStore &other, const RooArgSet &vars, const char *newname=0)

virtual	~RooTreeDataStore ()
	Destructor. More...

virtual Int_t	fill ()
	Interface function to TTree::Fill. More...

virtual const RooArgSet *	get (Int_t index) const
	Load the n-th data point (n='index') in memory and return a pointer to the internal RooArgSet holding its coordinates. More...

virtual Double_t	weight () const
	Return the weight of the n-th data point (n='index') in memory. More...

virtual Double_t	weightError (RooAbsData::ErrorType etype=RooAbsData::Poisson) const

virtual void	weightError (Double_t &lo, Double_t &hi, RooAbsData::ErrorType etype=RooAbsData::Poisson) const

virtual Double_t	weight (Int_t index) const
	Return the weight of the n-th data point (n='index') in memory. More...

virtual Bool_t	isWeighted () const

virtual Bool_t	changeObservableName (const char from, const char to)
	Change name of internal observable named 'from' into 'to'. More...

virtual RooAbsArg *	addColumn (RooAbsArg &var, Bool_t adjustRange=kTRUE)
	Add a new column to the data set which holds the pre-calculated values of 'newVar'. More...

virtual RooArgSet *	addColumns (const RooArgList &varList)
	Utility function to add multiple columns in one call See addColumn() for details. More...

RooAbsDataStore *	merge (const RooArgSet &allvars, std::list< RooAbsDataStore * > dstoreList)
	Merge columns of supplied data set(s) with this data set. More...

virtual void	append (RooAbsDataStore &other)

virtual Bool_t	valid () const
	Return true if currently loaded coordinate is considered valid within the current range definitions of all observables. More...

virtual Double_t	sumEntries () const

virtual Int_t	numEntries () const

virtual void	reset ()

virtual void	attachBuffers (const RooArgSet &extObs)

virtual void	resetBuffers ()

void	restoreAlternateBuffers ()

TTree &	tree ()

virtual const TTree *	tree () const

Stat_t	GetEntries () const
	Interface function to TTree::GetEntries. More...

void	Reset (Option_t *option=0)
	Interface function to TTree::Reset. More...

Int_t	Fill ()
	Interface function to TTree::Fill. More...

Int_t	GetEntry (Int_t entry=0, Int_t getall=0)
	Interface function to TTree::GetEntry. More...

void	Draw (Option_t *option="")
	Default Draw method for all objects. More...

virtual void	cacheArgs (const RooAbsArg owner, RooArgSet &varSet, const RooArgSet nset=0, Bool_t skipZeroWeights=kFALSE)
	Cache given RooAbsArgs with this tree: The tree is given direct write access of the args internal cache the args values is pre-calculated for all data points in this data collection. More...

virtual const RooAbsArg *	cacheOwner ()

virtual void	setArgStatus (const RooArgSet &set, Bool_t active)
	Activate or deactivate the branch status of the TTree branch associated with the given set of dataset observables. More...

virtual void	resetCache ()
	Remove tree with values of cached observables and clear list of cached observables. More...

void	loadValues (const TTree t, const RooFormulaVar select=0, const char *rangeName=0, Int_t nStart=0, Int_t nStop=2000000000)
	Load values from tree 't' into this data collection, optionally selecting events using 'select' RooFormulaVar. More...

void	loadValues (const RooAbsDataStore tds, const RooFormulaVar select=0, const char *rangeName=0, Int_t nStart=0, Int_t nStop=2000000000)
	Load values from dataset 't' into this data collection, optionally selecting events using 'select' RooFormulaVar. More...

virtual void	checkInit () const

void	setExternalWeightArray (Double_t arrayWgt, Double_t arrayWgtErrLo, Double_t arrayWgtErrHi, Double_t arraySumW2)

const RooArgSet &	row ()

Public Member Functions inherited from RooAbsDataStore
	RooAbsDataStore ()
	Default constructor. More...

	RooAbsDataStore (const char name, const char title, const RooArgSet &vars)
	Default constructor. More...

	RooAbsDataStore (const RooAbsDataStore &other, const char *newname=0)

	RooAbsDataStore (const RooAbsDataStore &other, const RooArgSet &vars, const char *newname=0)

virtual	~RooAbsDataStore ()
	Destructor. More...

virtual const RooArgSet *	get () const

virtual void	Print (Option_t *options=0) const
	Print TNamed name and title. More...

virtual void	printName (std::ostream &os) const
	Print name of dataset. More...

virtual void	printTitle (std::ostream &os) const
	Print title of dataset. More...

virtual void	printClassName (std::ostream &os) const
	Print class name of dataset. More...

virtual void	printArgs (std::ostream &os) const
	Print argument of dataset, i.e. the observable names. More...

virtual void	printValue (std::ostream &os) const
	Print value of the dataset, i.e. the sum of weights contained in the dataset. More...

void	printMultiline (std::ostream &os, Int_t content, Bool_t verbose, TString indent) const
	Detailed printing interface. More...

virtual Int_t	defaultPrintContents (Option_t *opt) const
	Define default print options, for a given print style. More...

const RooArgSet &	cachedVars () const

virtual void	recalculateCache (const RooArgSet *, Int_t, Int_t, Int_t, Bool_t)

virtual void	setDirtyProp (Bool_t flag)

Bool_t	dirtyProp () const

virtual Bool_t	hasFilledCache () const

virtual void	dump ()

virtual void	forceCacheUpdate ()

Public Member Functions inherited from TNamed
	TNamed ()

	TNamed (const char name, const char title)

	TNamed (const TString &name, const TString &title)

	TNamed (const TNamed &named)

TNamed &	operator= (const TNamed &rhs)
	TNamed assignment operator. More...

virtual	~TNamed ()

virtual void	Clear (Option_t *option="")
	Set name and title to empty strings (""). More...

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 two TNamed objects. More...

virtual void	Copy (TObject &named) const
	Copy this to obj. More...

virtual void	FillBuffer (char *&buffer)
	Encode TNamed into output buffer. More...

virtual const char *	GetName () const
	Returns name of object. More...

virtual const char *	GetTitle () const
	Returns title of object. More...

virtual ULong_t	Hash () const
	Return hash value for this object. More...

virtual Bool_t	IsSortable () const

virtual void	SetName (const char *name)
	Change (i.e. More...

virtual void	SetNameTitle (const char name, const char title)
	Change (i.e. set) all the TNamed parameters (name and title). More...

virtual void	SetTitle (const char *title="")
	Change (i.e. set) the title of the TNamed. More...

virtual void	ls (Option_t *option="") const
	List TNamed name and title. More...

virtual Int_t	Sizeof () const
	Return size of the TNamed part of the TObject. More...

Public Member Functions inherited from TObject
	TObject ()

	TObject (const TObject &object)
	TObject copy ctor. More...

TObject &	operator= (const TObject &rhs)
	TObject assignment operator. More...

virtual	~TObject ()
	TObject destructor. 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...

virtual const char *	ClassName () const
	Returns name of class to which the object belongs. 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	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 pad. More...

virtual void	Dump () const
	Dump contents of object on stdout. 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 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 UInt_t	GetUniqueID () const
	Return the unique object id. More...

virtual const char *	GetIconName () const
	Returns mime type name of object. More...

virtual Option_t *	GetOption () const

virtual char *	GetObjectInfo (Int_t px, Int_t py) const
	Returns string containing info about the object at position (px,py). More...

virtual Bool_t	HandleTimer (TTimer *timer)
	Execute action in response of a timer timing out. 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...

virtual Bool_t	IsFolder () const
	Returns kTRUE in case object contains browsable objects (like containers or lists of other objects). More...

virtual Bool_t	IsEqual (const TObject *obj) const
	Default equal comparison (objects are equal if they have the same address in memory). More...

Bool_t	IsOnHeap () const

Bool_t	IsZombie () const

virtual Bool_t	Notify ()
	This method must be overridden to handle object notification. 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...

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...

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	UseCurrentStyle ()
	Set current style settings in this object This function is called when either TCanvas::UseCurrentStyle or TROOT::ForceStyle have been invoked. 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...

void *	operator new (size_t sz)

void *	operator new[] (size_t sz)

void *	operator new (size_t sz, void *vp)

void *	operator new[] (size_t sz, void *vp)

void	operator delete (void *ptr)
	Operator delete. More...

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

void	ResetBit (UInt_t f)

Bool_t	TestBit (UInt_t f) const

Int_t	TestBits (UInt_t f) const

void	InvertBit (UInt_t f)

virtual void	Info (const char method, const char msgfmt,...) const
	Issue info message. More...

virtual void	Warning (const char method, const char msgfmt,...) const
	Issue warning message. More...

virtual void	Error (const char method, const char msgfmt,...) const
	Issue error message. More...

virtual void	SysError (const char method, const char msgfmt,...) const
	Issue system error message. More...

virtual void	Fatal (const char method, const char msgfmt,...) const
	Issue fatal error message. 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...

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...

Public Member Functions inherited from RooPrintable
	RooPrintable ()

virtual	~RooPrintable ()

virtual void	printStream (std::ostream &os, Int_t contents, StyleOption style, TString indent="") const
	Print description of object on ostream, printing contents set by contents integer, which is interpreted as an OR of 'enum ContentsOptions' values and in the style given by 'enum StyleOption'. More...

virtual void	printAddress (std::ostream &os) const
	Print class name of object. More...

virtual void	printExtras (std::ostream &os) const
	Interface to print extras of object. More...

virtual void	printTree (std::ostream &os, TString indent="") const
	Interface for tree structure printing of object. More...

virtual StyleOption	defaultPrintStyle (Option_t *opt) const

Protected Member Functions
RooArgSet	varsNoWeight (const RooArgSet &allVars, const char *wgtName=0)
	Utility function for constructors Return RooArgSet that is copy of allVars minus variable matching wgtName if specified. More...

RooRealVar *	weightVar (const RooArgSet &allVars, const char *wgtName=0)
	Utility function for constructors Return pointer to weight variable if it is defined. More...

void	initialize ()
	One-time initialization common to all constructor forms. More...

void	attachCache (const RooAbsArg *newOwner, const RooArgSet &cachedVars)
	Initialize cache of dataset: attach variables of cache ArgSet to the corresponding TTree branches. More...

void	setBranchBufferSize (Int_t size)

Int_t	getBranchBufferSize () const

void	createTree (const char name, const char title)
	Create TTree object that lives in memory, independent of current location of gDirectory. More...

Protected Member Functions inherited from TObject
void	MakeZombie ()

virtual void	DoError (int level, const char location, const char fmt, va_list va) const
	Interface to ErrorHandler (protected). More...

Protected Attributes
TTree *	_tree

TTree *	_cacheTree

const RooAbsArg *	_cacheOwner
	TTree holding the cached function values. More...

Bool_t	_defCtor
	Object owning cache contents. More...

RooArgSet	_varsww
	Was object constructed with default ctor? More...

RooRealVar *	_wgtVar

Double_t *	_extWgtArray

Double_t *	_extWgtErrLoArray
	External weight array. More...

Double_t *	_extWgtErrHiArray
	External weight array - low error. More...

Double_t *	_extSumW2Array
	External weight array - high error. More...

Double_t	_curWgt
	External sum of weights array. More...

Double_t	_curWgtErrLo

Double_t	_curWgtErrHi

Double_t	_curWgtErr

RooArgSet	_attachedBuffers

Protected Attributes inherited from RooAbsDataStore
RooArgSet	_vars

RooArgSet	_cachedVars

TIterator *	_iterator

TIterator *	_cacheIter
	Iterator over dimension variables. More...

Bool_t	_doDirtyProp
	Iterator over cached variables. More...

Protected Attributes inherited from TNamed
TString	fName

TString	fTitle

Static Protected Attributes
static Int_t	_defTreeBufSize = 4096

Static Protected Attributes inherited from RooPrintable
static Int_t	_nameLength

Friends
class	RooVectorDataStore

Additional Inherited Members
Public Types inherited from TObject
enum	EStatusBits { kCanDelete = BIT(0), kMustCleanup = BIT(3), kObjInCanvas = BIT(3), kIsReferenced = BIT(4), kHasUUID = BIT(5), kCannotPick = BIT(6), kNoContextMenu = BIT(8), kInvalidObject = BIT(13) }

enum	{ kIsOnHeap = 0x01000000, kNotDeleted = 0x02000000, kZombie = 0x04000000, kBitMask = 0x00ffffff }

enum	{ kSingleKey = BIT(0), kOverwrite = BIT(1), kWriteDelete = BIT(2) }

Public Types inherited from RooPrintable
enum	ContentsOption { kName =1, kClassName =2, kValue =4, kArgs =8, kExtras =16, kAddress =32, kTitle =64, kCollectionHeader =128 }

enum	StyleOption { kInline =1, kSingleLine =2, kStandard =3, kVerbose =4, kTreeStructure =5 }

Static Public Member Functions inherited from TObject
static Long_t	GetDtorOnly ()
	Return destructor only flag. More...

static void	SetDtorOnly (void *obj)
	Set destructor only flag. More...

static Bool_t	GetObjectStat ()
	Get status of object stat flag. More...

static void	SetObjectStat (Bool_t stat)
	Turn on/off tracking of objects in the TObjectTable. More...

Static Public Member Functions inherited from RooPrintable
static std::ostream &	defaultPrintStream (std::ostream *os=0)
	Return a reference to the current default stream to use in Print(). More...

static void	nameFieldLength (Int_t newLen)
	Set length of field reserved from printing name of RooAbsArgs in multi-line collection printing to given amount. More...

#include <RooTreeDataStore.h>

Inheritance diagram for RooTreeDataStore:

[legend]

Constructor & Destructor Documentation

RooTreeDataStore::RooTreeDataStore ( )

Definition at line 52 of file RooTreeDataStore.cxx.

Referenced by clone(), and merge().

RooTreeDataStore::RooTreeDataStore	(	TTree *	t,
		const RooArgSet &	vars,
		const char *	wgtVarName = `0`
	)

Constructor to facilitate reading of legacy RooDataSets.

Definition at line 74 of file RooTreeDataStore.cxx.

RooTreeDataStore::RooTreeDataStore	(	const char *	name,
		const char *	title,
		const RooArgSet &	vars,
		const char *	wgtVarName = `0`
	)

Definition at line 95 of file RooTreeDataStore.cxx.

RooTreeDataStore::RooTreeDataStore	(	const char *	name,
		const char *	title,
		const RooArgSet &	vars,
		TTree &	t,
		const RooFormulaVar &	select,
		const char *	wgtVarName = `0`
	)

Definition at line 120 of file RooTreeDataStore.cxx.

RooTreeDataStore::RooTreeDataStore	(	const char *	name,
		const char *	title,
		const RooArgSet &	vars,
		TTree &	t,
		const char *	selExpr = `0`,
		const char *	wgtVarName = `0`
	)

Definition at line 145 of file RooTreeDataStore.cxx.

RooTreeDataStore::RooTreeDataStore	(	const char *	name,
		const char *	title,
		const RooArgSet &	vars,
		const RooAbsDataStore &	tds,
		const RooFormulaVar &	select,
		const char *	wgtVarName = `0`
	)

Definition at line 177 of file RooTreeDataStore.cxx.

RooTreeDataStore::RooTreeDataStore	(	const char *	name,
		const char *	title,
		const RooArgSet &	vars,
		const RooAbsDataStore &	tds,
		const char *	selExpr = `0`,
		const char *	wgtVarName = `0`
	)

Definition at line 202 of file RooTreeDataStore.cxx.

RooTreeDataStore::RooTreeDataStore	(	const char *	name,
		const char *	title,
		RooAbsDataStore &	tds,
		const RooArgSet &	vars,
		const RooFormulaVar *	cutVar,
		const char *	cutRange,
		Int_t	nStart,
		Int_t	nStop,
		Bool_t	,
		const char *	wgtVarName = `0`
	)

Definition at line 235 of file RooTreeDataStore.cxx.

RooTreeDataStore::RooTreeDataStore	(	const RooTreeDataStore &	other,
		const char *	newname = `0`
	)

Definition at line 340 of file RooTreeDataStore.cxx.

RooTreeDataStore::RooTreeDataStore	(	const RooTreeDataStore &	other,
		const RooArgSet &	vars,
		const char *	newname = `0`
	)

Definition at line 363 of file RooTreeDataStore.cxx.

RooTreeDataStore::~RooTreeDataStore ( )

virtual

Destructor.

Definition at line 389 of file RooTreeDataStore.cxx.

Member Function Documentation

RooAbsArg * RooTreeDataStore::addColumn	(	RooAbsArg &	newVar,
		Bool_t	adjustRange = `kTRUE`
	)

virtual

Add a new column to the data set which holds the pre-calculated values of 'newVar'.

This operation is only meaningful if 'newVar' is a derived value.

The return value points to the added element holding 'newVar's value in the data collection. The element is always the corresponding fundamental type of 'newVar' (e.g. a RooRealVar if 'newVar' is a RooFormulaVar)

Note: This function is explicitly NOT intended as a speed optimization opportunity for the user. Components of complex PDFs that can be precalculated with the dataset are automatically identified as such and will be precalculated when fitting to a dataset

By forcibly precalculating functions with non-trivial Jacobians, or functions of multiple variables occurring in the data set, using addColumn(), you may alter the outcome of the fit.

Only in cases where such a modification of fit behaviour is intentional, this function should be used.

Int_t RooTreeDataStore::GetEntry	(	Int_t	entry = `0`,
		Int_t	getall = `0`
	)

void RooTreeDataStore::loadValues	(	const TTree *	t,
		const RooFormulaVar *	select = `0`,
		const char *	rangeName = `0`,
		Int_t	nStart = `0`,
		Int_t	nStop = `2000000000`
	)

Public Member Functions

Protected Member Functions

Protected Attributes

Static Protected Attributes

Friends

Additional Inherited Members

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Member Data Documentation