QAM Class Reference

Public Member Functions
def	__init__ (self, fname='input.root')
def	pull (self, key='d0')
def	getMean (self, key='pt')
def	getRms (self, key='pt')
def	graph (self, key='pt')
def	reso (self, key='pt')
def	draw (self, key='pt', option='all', gopt='')
def	print (self, fname='test.png')
def	div (self, i=1, j=1)

Public Attributes
	f
	input file name
	histHelix
	Histograms for helix parameters etc...
	histReso
	Resolution histograms.
	histPull
	Pull histograms.
	graphPt
	Graph, resolution as a function of pt.
	canvas
	canvas
	ndiv
	Number of division for canvas.
	index
	Index of canvas position.

Detailed Description

QAM class.

Definition at line 16 of file qam.py.

Constructor & Destructor Documentation

__init__()

def __init__	(		self,
			fname = 'input.root'
	)

call constructor of base class, required.

Definition at line 22 of file qam.py.

    def __init__(self, fname='input.root'):
        """
        call constructor of base class, required.
        """
 
        super().__init__()
 
        
        self.f = TFile(fname)
        
        self.histHelix = {'ndf': {'all': self.f.Get('h17;1'),
                                  'up': self.f.Get('h00;1'),
                                  'down': self.f.Get('h01;1')},
                          'pval': {'all': self.f.Get('h18;1'),
                                   'up': self.f.Get('h02;1'),
                                   'down': self.f.Get('h03;1')},
                          'd0': {'all': self.f.Get('h11;1'),
                                 'up': self.f.Get('h04;1'),
                                 'down': self.f.Get('h05;1')},
                          'phi0': {'all': self.f.Get('h12;1'),
                                   'up': self.f.Get('h06;1'),
                                   'down': self.f.Get('h07;1')},
                          'omega': {'all': self.f.Get('h13;1'),
                                    'up': self.f.Get('h08;1'),
                                    'down': self.f.Get('h09;1')},
                          'z0': {'all': self.f.Get('h14;1'),
                                 'up': self.f.Get('h0a;1'),
                                 'down': self.f.Get('h0b;1')},
                          'tanl': {'all': self.f.Get('h15;1'),
                                   'up': self.f.Get('h0c;1'),
                                   'down': self.f.Get('h0d;1')},
                          'pt': {'all': self.f.Get('h16;1'),
                                 'up': self.f.Get('h0e;1'),
                                 'down': self.f.Get('h0f;1')}
                          }
 
        
        self.histReso = {'d0': self.f.Get('h1;1'),
                         'phi0': self.f.Get('h2;1'),
                         'omega': self.f.Get('h3;1'),
                         'z0': self.f.Get('h4;1'),
                         'tanl': self.f.Get('h5;1'),
                         'pt': self.f.Get('h6;1')}
 
        
        self.histPull = {'d0': self.f.Get('h21;1'),
                         'phi0': self.f.Get('h22;1'),
                         'omega': self.f.Get('h23;1'),
                         'z0': self.f.Get('h24;1'),
                         'tanl': self.f.Get('h25;1')}
 
        
        self.graphPt = {'d0': self.f.Get('Graph;2'),
                        'phi0': self.f.Get('Graph;3'),
                        'omega': self.f.Get('Graph;4'),
                        'z0': self.f.Get('Graph;5'),
                        'pt': self.f.Get('Graph;1')}
        
        self.canvas = TCanvas("canvas", "canvas", 800, 800)
        
        self.ndiv = 1
        
        self.index = 1
 

Member Function Documentation

div()

def div	(		self,
			i = 1,
			j = 1
	)

Divide Tcanvas by (i,j).

Definition at line 146 of file qam.py.

    def div(self, i=1, j=1):
        """
        Divide Tcanvas by (i,j).
        """
        self.canvas.Clear()
        self.canvas.Divide(i, j)
        self.ndiv = i * j
        self.index = 1
 
 

draw()

def draw	(		self,
			key = 'pt',
			option = 'all',
			gopt = ''
	)

Plot histogram of helix parameters etc..

Definition at line 131 of file qam.py.

    def draw(self, key='pt', option='all', gopt=''):
        '''
        Plot histogram of helix parameters etc..
        '''
        self.canvas.cd(self.index)
        self.histHelix[key][option].Draw(gopt)
        self.canvas.Update()
        self.index = self.index + 1
 

getMean()

def getMean	(		self,
			key = 'pt'
	)

Getter for mean of helix parameter.

Definition at line 95 of file qam.py.

    def getMean(self, key='pt'):
        '''
        Getter for mean of helix parameter.
        '''
        h = self.histReso[key]
        m = h.GetMean()
        dm = h.GetMeanError()
        return [m, dm]
 

getRms()

def getRms	(		self,
			key = 'pt'
	)

Getter for rms of helix parameter.

Definition at line 104 of file qam.py.

    def getRms(self, key='pt'):
        '''
        Getter for rms of helix parameter.
        '''
        h = self.histReso[key]
        s = h.GetRMS()
        ds = h.GetRMSError()
        return [s, ds]
 

graph()

def graph	(		self,
			key = 'pt'
	)

Plot graph of resolution as a function of Pt.

Definition at line 113 of file qam.py.

    def graph(self, key='pt'):
        '''
        Plot graph of resolution as a function of Pt.
        '''
        self.canvas.cd(self.index)
        self.graphPt[key].Draw('AP')
        self.canvas.Update()
        self.index = self.index + 1
 

print()

def print	(		self,
			fname = 'test.png'
	)

Print the current plot.

Definition at line 140 of file qam.py.

    def print(self, fname='test.png'):
        """
        Print the current plot.
        """
        self.canvas.Print(fname)
 

pull()

def pull	(		self,
			key = 'd0'
	)

Plot pull distribution

Definition at line 86 of file qam.py.

    def pull(self, key='d0'):
        '''
        Plot pull distribution
        '''
        self.canvas.cd(self.index)
        self.histPull[key].Draw()
        self.canvas.Update()
        self.index = self.index + 1
 

reso()

def reso	(		self,
			key = 'pt'
	)

Plot resolution histogram.

Definition at line 122 of file qam.py.

    def reso(self, key='pt'):
        '''
        Plot resolution histogram.
        '''
        self.canvas.cd(self.index)
        self.histReso[key].Draw()
        self.canvas.Update()
        self.index = self.index + 1
 

Member Data Documentation

canvas

canvas

canvas

Definition at line 80 of file qam.py.

f

f

input file name

Definition at line 30 of file qam.py.

graphPt

graphPt

Graph, resolution as a function of pt.

Definition at line 74 of file qam.py.

histHelix

histHelix

Histograms for helix parameters etc...

Definition at line 32 of file qam.py.

histPull

histPull

Pull histograms.

Definition at line 67 of file qam.py.

histReso

histReso

Resolution histograms.

Definition at line 59 of file qam.py.

index

index

Index of canvas position.

Definition at line 84 of file qam.py.

ndiv

ndiv

Number of division for canvas.

Definition at line 82 of file qam.py.

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

• cdc/examples/qam/qam.py