PlotUtils.DiagnosticHisto Class Reference

Inheritance diagram for PlotUtils.DiagnosticHisto:

Collaboration diagram for PlotUtils.DiagnosticHisto:

Public Member Functions
def	__init__ (self, name="", axis_title="", bins=-1, bmin=0., bmax=-1.e9, bin_width=-1, bdir=None, log_binning=False)
def	has_log_binnnig (self)
def	name (self)
def	TH1 (self)
def	fill (self, value, weight=1.)
def	write (self)
def	max (self)
def	min (self)
def	setMinimum (self, minimum)
def	setMaximum (self, maximum)
def	fixHisto (self)

Private Member Functions
def	__getInterval (self, value)

Private Attributes
	__name
	__xTitle
	__min
	__width
	__entries
	__content
	__error
	__TH1
	__TDir
	__log_binning
	__max

Detailed Description

Definition at line 18 of file PlotUtils.py.

Constructor & Destructor Documentation

__init__()

def PlotUtils.DiagnosticHisto.__init__	(		self,
			name = "",
			axis_title = "",
			bins = -1,
			bmin = 0.,
			bmax = -1.e9,
			bin_width = -1,
			bdir = None,
			log_binning = False
	)

Definition at line 19 of file PlotUtils.py.

    def __init__(self, name = "",
                       axis_title = "",
                       bins = -1,
                       bmin = 0.,
                       bmax = -1.e9,
                       bin_width = -1,
                       bdir = None,
                       log_binning = False):
        self.__name = name
        self.__xTitle = axis_title
        self.__min = bmin
        self.__width = bin_width
        self.__entries = 0
        self.__content = {}
        self.__error = {}
        self.__TH1 = None
        self.__TDir = bdir
        
        self.__log_binning = log_binning
        if bins > 0 and not log_binning:
            self.__width = (bmax-bmin)/ bins 
            self.__TH1 = ROOT.TH1D(name, "Diagnostic histogram", bins, bmin, bmax)
            self.__TH1.SetDirectory(bdir) 
        elif bins > 0:
            log_start = math.log(bmin)
            log_end = math.log(bmax)
            log_step = (log_end -log_start) / bins
            binning = array("f", [math.exp(log_start +n*log_step) for n in range(bins+1)])
            self.__TH1 = ROOT.TH1D(name, "Diagnostic histogram", bins, binning)
            self.__TH1.SetDirectory(bdir)
            

Member Function Documentation

__getInterval()

def PlotUtils.DiagnosticHisto.__getInterval (   self,   value  )

private

Definition at line 62 of file PlotUtils.py.

    def __getInterval(self,value):
        i =  math.ceil( (value - self.__min) / self.__width)
        return (self.__min +self.__width*(i-1), self.__min+ self.__width*i)

fill()

def PlotUtils.DiagnosticHisto.fill	(		self,
			value,
			weight = 1.
	)

Definition at line 53 of file PlotUtils.py.

    def fill(self, value, weight=1.):
        self.__entries +=1
        if self.__TH1: self.__TH1.Fill(value, weight)  
        else:
            rng = self.__getInterval(value)
            try: self.__content[rng] += weight
            except: self.__content[rng] = weight            
            try: self.__error[rng] += weight**2
            except: self.__error[rng] = weight**2

fixHisto()

def PlotUtils.DiagnosticHisto.fixHisto

(

self

)

Definition at line 86 of file PlotUtils.py.

    def fixHisto(self):
        if self.__TH1: return
        bins = min (int((self.__max - self.__min) / self.__width), 10000)
        self.__TH1 = ROOT.TH1D(self.name(), "Diagnostic histogram", bins, self.__min, self.__max)
        self.__TH1.SetDirectory(self.__TDir) 
        
        for rng in self.__content.iterkeys():
            bin = self.__TH1.FindBin((rng[1] + rng[0])/2.)
            self.__TH1.SetBinContent(bin, self.__content[rng])
            self.__TH1.SetBinError(bin, math.sqrt(self.__error[rng]))
 

has_log_binnnig()

def PlotUtils.DiagnosticHisto.has_log_binnnig

(

self

)

Definition at line 50 of file PlotUtils.py.

    def has_log_binnnig(self): return self.__log_binning

max()

def PlotUtils.DiagnosticHisto.max

(

self

)

Definition at line 78 of file PlotUtils.py.

    def max(self):
        try: return sorted(self.__content.iterkeys(), key=lambda Rng: Rng[1])[-1][1]
        except: return float('nan')

min()

def PlotUtils.DiagnosticHisto.min

(

self

)

Definition at line 81 of file PlotUtils.py.

    def min(self):
        try: return sorted(self.__content.iterkeys(), key=lambda Rng: Rng[0])[0][1]
        except: return float('nan')

name()

def PlotUtils.DiagnosticHisto.name

(

self

)

Definition at line 51 of file PlotUtils.py.

    def name(self): return self.__name

setMaximum()

def PlotUtils.DiagnosticHisto.setMaximum	(		self,
			maximum
	)

Definition at line 85 of file PlotUtils.py.

    def setMaximum(self, maximum): self.__max = maximum

setMinimum()

def PlotUtils.DiagnosticHisto.setMinimum	(		self,
			minimum
	)

Definition at line 84 of file PlotUtils.py.

    def setMinimum(self, minimum): self.__min = minimum

TH1()

def PlotUtils.DiagnosticHisto.TH1

(

self

)

Definition at line 52 of file PlotUtils.py.

    def TH1(self): return self.__TH1

write()

def PlotUtils.DiagnosticHisto.write

(

self

)

Definition at line 65 of file PlotUtils.py.

    def write(self):
        self.fixHisto()
        if not self.__TH1: return            
        self.__TH1.GetXaxis().SetTitle(self.__xTitle)
        
        self.TH1().SetBinContent(self.TH1().GetNbinsX(),self.TH1().GetBinContent(self.TH1().GetNbinsX()+1) + self.TH1().GetBinContent(self.TH1().GetNbinsX()))
        self.TH1().SetBinError(self.TH1().GetNbinsX(), math.sqrt( (self.TH1().GetBinError(self.TH1().GetNbinsX()+1) + self.TH1().GetBinError(self.TH1().GetNbinsX()))**2))
        
        self.TH1().SetBinContent(1,self.TH1().GetBinContent(0) + self.TH1().GetBinContent(1))
        self.TH1().SetBinError(1, math.sqrt( (self.TH1().GetBinError(0) + self.TH1().GetBinError(1))**2))
        
        self.__TH1.SetEntries(self.__entries)
        if self.__TDir: self.__TDir.WriteObject(self.__TH1, self.__name)

Member Data Documentation

__content

PlotUtils.DiagnosticHisto.__content

private

Definition at line 25 of file PlotUtils.py.

__entries

PlotUtils.DiagnosticHisto.__entries

private

Definition at line 24 of file PlotUtils.py.

__error

PlotUtils.DiagnosticHisto.__error

private

Definition at line 26 of file PlotUtils.py.

__log_binning

PlotUtils.DiagnosticHisto.__log_binning

private

Definition at line 30 of file PlotUtils.py.

__max

PlotUtils.DiagnosticHisto.__max

private

Definition at line 85 of file PlotUtils.py.

__min

PlotUtils.DiagnosticHisto.__min

private

Definition at line 22 of file PlotUtils.py.

__name

PlotUtils.DiagnosticHisto.__name

private

Definition at line 20 of file PlotUtils.py.

__TDir

PlotUtils.DiagnosticHisto.__TDir

private

Definition at line 28 of file PlotUtils.py.

__TH1

PlotUtils.DiagnosticHisto.__TH1

private

Definition at line 27 of file PlotUtils.py.

__width

PlotUtils.DiagnosticHisto.__width

private

Definition at line 23 of file PlotUtils.py.

__xTitle

PlotUtils.DiagnosticHisto.__xTitle

private

Definition at line 21 of file PlotUtils.py.

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

• PlotUtils.py