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root/cvsroot/UserCode/VHbb/python/gethistofromtree.py
Revision: 1.1
Committed: Fri May 25 13:07:06 2012 UTC (12 years, 11 months ago) by peller
Content type: text/x-python
Branch: MAIN
Log Message:
added gethistofromtree

File Contents

# Content
1 from samplesclass import sample
2 from printcolor import printc
3 import pickle
4 import ROOT
5 from ROOT import TFile, TTree
6 import ROOT
7 from array import array
8 from ConfigParser import SafeConfigParser
9 import sys
10
11
12 #load config
13 config = SafeConfigParser()
14 config.read('./config')
15
16 #get locations:
17 Wdir=config.get('Directories','Wdir')
18
19
20
21
22 def getScale(job,rescale):
23 input = TFile.Open(job.getpath())
24 CountWithPU = input.Get("CountWithPU")
25 CountWithPU2011B = input.Get("CountWithPU2011B")
26 #print lumi*xsecs[i]/hist.GetBinContent(1)
27 return float(job.lumi)*float(job.xsec)*float(job.sf)/(0.46502*CountWithPU.GetBinContent(1)+0.53498*CountWithPU2011B.GetBinContent(1))*rescale/float(job.split)
28
29
30 def getHistoFromTree(job,options,rescale=1):
31 treeVar=options[0]
32 name=job.name
33 #title=job.plotname()
34 nBins=int(options[3])
35 xMin=float(options[4])
36 xMax=float(options[5])
37
38 if job.type != 'DATA':
39 cutcut=config.get('Cuts',options[7])
40 treeCut='%s & EventForTraining == 0'%cutcut
41
42 elif job.type == 'DATA':
43 treeCut=config.get('Cuts',options[8])
44
45 input = TFile.Open(job.getpath(),'read')
46
47 Tree = input.Get(job.tree)
48 #Tree=tmpTree.CloneTree()
49 #Tree.SetDirectory(0)
50
51 #Tree=tmpTree.Clone()
52 weightF=config.get('Weights','weightF')
53 #hTree = ROOT.TH1F('%s'%name,'%s'%title,nBins,xMin,xMax)
54 #hTree.SetDirectory(0)
55 #hTree.Sumw2()
56 #print 'drawing...'
57 if job.type != 'DATA':
58 #print treeCut
59 #print job.name
60 if Tree.GetEntries():
61 Tree.Draw('%s>>%s(%s,%s,%s)' %(treeVar,name,nBins,xMin,xMax),'(%s)*(%s)' %(treeCut,weightF), "goff,e")
62 full=True
63 else:
64 full=False
65 elif job.type == 'DATA':
66
67 if len(options)>10:
68 if options[11] == 'blind':
69 treeCut = treeCut + '&'+treeVar+'<0'
70
71
72 Tree.Draw('%s>>%s(%s,%s,%s)' %(treeVar,name,nBins,xMin,xMax),treeCut, "goff,e")
73 full = True
74 if full:
75 hTree = ROOT.gDirectory.Get(name)
76 else:
77 hTree = ROOT.TH1F('%s'%name,'%s'%name,nBins,xMin,xMax)
78 hTree.Sumw2()
79 #print job.name + ' Sumw2', hTree.GetEntries()
80
81 if job.type != 'DATA':
82 ScaleFactor = getScale(job,rescale)
83 if ScaleFactor != 0:
84 hTree.Scale(ScaleFactor)
85
86 print '\t-->import %s\t Integral: %s'%(job.name,hTree.Integral())
87
88 hTree.SetDirectory(0)
89 input.Close()
90 return hTree, job.group
91
92
93 ######################
94
95
96
97 def orderandadd(histos,typs,setup):
98 #ORDER AND ADD TOGETHER
99
100 ordnung=[]
101 ordnungtyp=[]
102 num=[0]*len(setup)
103 for i in range(0,len(setup)):
104 for j in range(0,len(histos)):
105 if typs[j] == setup[i]:
106 num[i]+=1
107 ordnung.append(histos[j])
108 ordnungtyp.append(typs[j])
109
110 del histos
111 del typs
112
113 histos=ordnung
114 typs=ordnungtyp
115
116 for k in range(0,len(num)):
117 for m in range(0,num[k]):
118 if m > 0:
119
120 #add
121 histos[k].Add(histos[k+1],1)
122 #printc('red','','\t--> added %s to %s'%(typs[k],typs[k+1]))
123 del histos[k+1]
124 del typs[k+1]
125
126 del histos[len(setup):]
127 del typs[len(setup):]
128
129 return histos, typs
130
131