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Comparing UserCode/cbrown/Development/Plotting/Modules/SampleClass.C (file contents):
Revision 1.7 by buchmann, Wed May 23 15:13:17 2012 UTC vs.
Revision 1.26 by buchmann, Mon Feb 18 18:54:16 2013 UTC

#	Line 45 | Line 45 | public:
45		bool is_data;
46		bool is_signal;
47		bool is_active;
48	+	float weightrenormalization;
49		int groupindex;
50		Color_t samplecolor;
51
#	Line 52 | Line 53 | public:
53		TTree *events;
54
55		sample(string m_filename,string m_samplename,long m_Nentries, float m_xs,bool is_data, bool m_is_signal, int m_groupindex, Color_t color);
56	+	string ExtractVersion(string FullVersionString);
57		void closeFile();
58		};
59
#	Line 61 | Line 63 | string write_mc_or_data(bool is_data)
63		return "MC";
64		}
65
66	+	string sample::ExtractVersion(string FullVersionString) {
67	+	string Result=FullVersionString.substr(FullVersionString.find(" ")+1,FullVersionString.length());
68	+	Result=Result.substr(0,Result.find(" "));
69	+	return Result;
70	+	}
71	+
72		sample::sample(string m_filename, string m_samplename, long m_Nentries, float m_xs,bool m_is_data, bool m_is_signal, int m_groupindex, Color_t mycolor)
73		{
74		this->filename=m_filename;
#	Line 72 | Line 80 | sample::sample(string m_filename, string
80		this->groupindex=m_groupindex;
81		this->is_active=true;
82		this->samplecolor=mycolor;
83	+	this->weightrenormalization=1.0;
84		if(!doesROOTFileExist(this->filename)) {
85		stringstream message;
86		message << "The " << write_mc_or_data(is_data) << " sample " << this->samplename << " is invalid because the associated file path, " << this->filename << " is incorrect.";
#	Line 81 | Line 90 | sample::sample(string m_filename, string
90
91		if(doesROOTFileExist(this->filename)) {
92		//suppressing  stupid 64/32 errors here (Warning in <TFile::ReadStreamerInfo>: /scratch/buchmann/MC_Spring11_PU_PF/TToBLNu_TuneZ2_t-channel_7TeV-madgraph.root: not a TStreamerInfo object)
93	<	Int_t currlevel=gErrorIgnoreLevel;
94	<	gErrorIgnoreLevel=5000;
93	>	//    Int_t currlevel=gErrorIgnoreLevel;
94	>	//     gErrorIgnoreLevel=5000;
95		this->tfile = new TFile(m_filename.c_str());
96	<	gErrorIgnoreLevel=currlevel;
96	>	//     gErrorIgnoreLevel=currlevel;
97		this->events=(TTree*)(this->tfile)->Get(treename.c_str());
98		if(Verbosity>0) dout << "The " << write_mc_or_data(is_data) << " file " << this->filename << " has been added successfully to the list of samples. " << endl;
99		long long measured_nevents=(long)1;
100		TH1F *weight_histo = (TH1F*)(this->tfile)->Get("weight_histo");
101		float average_weight = 1.0;
102		if(weight_histo) {
103	<	average_weight = weight_histo->Integral()/weight_histo->GetEntries();
103	>	//average_weight = weight_histo->Integral()/weight_histo->GetEntries();
104		measured_nevents = (long)weight_histo->GetEntries();
105		} else {
106		measured_nevents=(this->events)->GetEntries();
107		}
108
109	<	if(((this->Nentries>1)||(this->Nentries==0))&measured_nevents!=this->Nentries) {
109	>	if(((this->Nentries>1)||(this->Nentries==0))&&measured_nevents!=this->Nentries) {
110		//special cases: m_Nentries=1 : we want to give each event the full weight (->scans!)
111		//               m_Nentries=0: detect the number of events and set the nevents automatically
112	+	//               m_Nentries<0: set manually (see below)
113
114		stringstream warning;
115		warning << "Detected incorrect number of events in sample initialization of sample " << m_filename << " (detected Nevents: " << measured_nevents << " , definition claims: " << this->Nentries << "; will use measured number of events. If you want to use this algorithm to set the number of events anyway, set the number of events to 0.";
116		if(m_Nentries>1) write_warning(__FUNCTION__,warning.str());
117		this->Nentries=measured_nevents;
118	+	} else if ( this->Nentries<0 ) {
119	+	this->Nentries = -this->Nentries;
120		}
121	<	this->weight=(xs/(float)Nentries);
122	<	TH1F *weight_histo = (TH1F*)(this->tfile)->Get("weight_histo");
123	<	this->weight/=average_weight;
121	>	if ( average_weight>0 ) {
122	>	this->weight=(xs/(float)Nentries)/average_weight;
123	>	this->weightrenormalization=(1.0/average_weight);
124	>	} else {
125	>	if(average_weight>0) {
126	>	this->weight=(xs/(float)Nentries)/average_weight;
127	>	this->weightrenormalization=(1.0/average_weight);
128	>	} else {
129	>	this->weight = (xs/(float)Nentries);
130	>	this->weightrenormalization=1;
131	>	}
132	>	}
133	>
134		}
135		else {
136		this->is_active=false;
#	Line 130 | Line 152 | void sample::closeFile()
152		bool doesROOTFileExist(string filename)
153		{
154		//suppressing  stupid 64/32 errors here (Warning in <TFile::ReadStreamerInfo>: /scratch/buchmann/MC_Spring11_PU_PF/TToBLNu_TuneZ2_t-channel_7TeV-madgraph.root: not a TStreamerInfo object)
155	<	Int_t currlevel=gErrorIgnoreLevel;
156	<	gErrorIgnoreLevel=5000;
155	>	//   Int_t currlevel=gErrorIgnoreLevel;
156	>	//   gErrorIgnoreLevel=5000;
157		TFile *f = new TFile(filename.c_str());
158
159		if (f->IsZombie()) {
#	Line 139 | Line 161 | bool doesROOTFileExist(string filename)
161		return 0;
162		}
163		f->Close();
164	<	gErrorIgnoreLevel=currlevel;
164	>	//   gErrorIgnoreLevel=currlevel;
165		return 1;
166		}
167		//********************************************************
#	Line 147 | Line 169 | bool doesROOTFileExist(string filename)
169		TCut essentialcut("mll>0");
170		// The following cut (cutWeight) will reweight all the events: use "weight" to correct MC for pileUP, "1.0" otherwise
171		TCut cutWeight("weight");
172	+	//TCut cutWeight("(weight*(((id1==id2&&id1==0)*1.2)+((id1==id2&&id1==1)/1.2)+(id1!=id2)))");
173
174		void setessentialcut(TCut ess) {
175		essentialcut=ess;
#	Line 190 | Line 213 | public:
213		TLegend* allbglegend(string title, TH1F *data, float x, float y);
214
215		void PickUpFromThisFile(int isamp, string cut, vector<string> &output, vector<string> &pickupfile);
216	<	void PickUpEvents(string cut);
216	>	void PickUpEvents(string cut,string filename);
217		string find_units(string&);
218
219		void RemoveLastSample();
#	Line 226 | Line 249 | void samplecollection::ListSamples()
249		void samplecollection::AddSample(string m_filename,string m_samplename,long m_Nentries, float m_xs,bool is_data, bool m_is_signal, int groupindex, Color_t newcolor)
250		{
251		sample NewSample(m_filename,m_samplename,m_Nentries,m_xs,is_data,m_is_signal,groupindex,newcolor);
252	+	if (!NewSample.is_active) {
253	+	write_warning(__FUNCTION__,"Not adding this sample ("+m_filename+") as it has been declared inactive");
254	+	return;
255	+	}
256		(this->collection).push_back(NewSample);
257		if((this->collection).size()==1) {
258		this->nmcsamples=0;
#	Line 270 | Line 297 | TH1F* samplecollection::Draw(string m_hi
297		if(Verbosity>0) dout << endl << endl;
298		if(Verbosity>0) dout << "-------------------------------------------------------------------------------------" << endl;
299		if(Verbosity>0) dout << "histoname : " << m_histoname << " , m_var = " << m_var << ", m_xlabel=" << m_xlabel << " m_ylabel=" << m_ylabel << " m_is_data = " << m_is_data << " lumi = " << luminosity << " onlyindex size: " << onlyindex.size() << endl;
300	+
301		if(HUSH==0) dout << "Drawing histo called " << m_histoname << "... " << endl;
302		bool do_only_selected_samples=false;
303		if(onlyindex.size()>0&&onlyindex[0]!=-1) {
#	Line 306 | Line 334 | TH1F* samplecollection::Draw(string m_hi
334		TH1F *tempdrawhisto = new TH1F("tempdrawhisto","tempdrawhisto",binning.size()-1,binningarray);
335		tempdrawhisto->Sumw2();
336		if(use_this_sample) {
309	–	if(Verbosity>0) dout << "[samplecollection::Draw] : Added contribution from sample " << (this->collection)[isample].samplename << endl;
337		(this->collection)[isample].events->Draw(drawthis.str().c_str(),(essentialcut&&Cut)*cutWeight);//this weight is based on PU etc. not XS
338	+	//        cout << "\033[1;33m Drawing " << drawthis.str() << "   with cut   " << (const char*) (essentialcut&&Cut)*cutWeight << " for sample " <<  (this->collection)[isample].filename << "\033[0m   (overflow: " << addoverunderflowbins << ")" << endl;
339		if(addoverunderflowbins) {
340		//now also adding the overflow & underflow bins:
341		tempdrawhisto->SetBinContent(tempdrawhisto->GetNbinsX(),tempdrawhisto->GetBinContent(tempdrawhisto->GetNbinsX()+1)+tempdrawhisto->GetBinContent(tempdrawhisto->GetNbinsX()));
342		tempdrawhisto->SetBinError(tempdrawhisto->GetNbinsX(),TMath::Sqrt(tempdrawhisto->GetBinContent(tempdrawhisto->GetNbinsX())));
343	<	tempdrawhisto->SetBinContent(1,tempdrawhisto->GetBinContent(0)+tempdrawhisto->GetBinContent(1));
344	<	tempdrawhisto->SetBinError(1,TMath::Sqrt(tempdrawhisto->GetBinContent(1)));
343	>	//      tempdrawhisto->SetBinContent(1,tempdrawhisto->GetBinContent(0)+tempdrawhisto->GetBinContent(1));
344	>	//      tempdrawhisto->SetBinError(1,TMath::Sqrt(tempdrawhisto->GetBinContent(1)));
345	>	// Delete over- and under-flow bins
346	>	tempdrawhisto->SetBinContent(tempdrawhisto->GetNbinsX()+1,0);
347	>	//        tempdrawhisto->SetBinContent(0,0);
348		}
349
350		if(!(this->collection)[isample].is_data) tempdrawhisto->Scale(luminosity*((this->collection)[isample].weight));//weight applied here is XS & N(entries)
351	+	if(Verbosity>0) dout << "[samplecollection::Draw] : Added contribution from sample " << (this->collection)[isample].samplename << ": " <<tempdrawhisto->Integral() << endl;
352		histo->Add(tempdrawhisto);
353		}
354		tempdrawhisto->Delete();
#	Line 360 | Line 392 | TH2F* samplecollection::Draw(string m_hi
392		float binningarray[binningx.size()+1];
393		float binningyarray[binningy.size()+1];
394		for(int i=0;i<(int)binningx.size();i++) {binningarray[i]=binningx[i];binningyarray[i]=binningy[i];}
395	<	TH2F *histo = new TH2F(m_histoname.c_str(),"",binningx.size()-1,binningarray,binningy.size(),binningyarray);
395	>	TH2F *histo = new TH2F(m_histoname.c_str(),"",binningx.size()-1,binningarray,binningy.size()-1,binningyarray);
396		histo->Sumw2();
397
398		stringstream drawthis;
#	Line 381 | Line 413 | TH2F* samplecollection::Draw(string m_hi
413		if(use_this_sample) {
414		if(Verbosity>0) dout << "[samplecollection::Draw] : Added contribution from sample " << (this->collection)[isample].samplename << endl;
415		(this->collection)[isample].events->Draw(drawthis.str().c_str(),(essentialcut&&Cut)*cutWeight);//this weight is based on PU etc. not XS
416	+	//       cout << "About to draw : " << drawthis.str() << "  with cut   " << (const char*) (essentialcut&&Cut)*cutWeight << endl;
417		if(addoverunderflowbins) {
418		//now also adding the overflow & underflow bins:
419		tempdrawhisto->SetBinContent(tempdrawhisto->GetNbinsX(),tempdrawhisto->GetBinContent(tempdrawhisto->GetNbinsX()+1)+tempdrawhisto->GetBinContent(tempdrawhisto->GetNbinsX()));
#	Line 411 | Line 444 | TH1F* samplecollection::Draw(string m_hi
444		{
445		binning.push_back(((float)(m_maxx-m_minx)/((float)m_nbins))*i+m_minx);
446		}
447	<
447	>
448		TH1F *histo = this->Draw(m_histoname,m_var, binning, m_xlabel, m_ylabel, Cut, m_is_data, luminosity, onlyindex,drawsignal);
449		return histo;
450		}
#	Line 435 | Line 468 | THStack samplecollection::DrawStack(stri
468		if(!drawsignal&&(this->collection)[isample].is_signal) continue;
469		if((this->collection)[isample].is_active&&(this->collection)[isample].is_data==m_is_data) {//fills mc if we want mc, else fills data.
470		TH1F *tempdrawhisto = new TH1F("tempdrawhisto","",binning.size()-1,binningarray);
471	+	tempdrawhisto->Sumw2();
472		(this->collection)[isample].events->Draw(drawthis.str().c_str(),(essentialcut&&Cut)*cutWeight);
473
474		if(addoverunderflowbins) {
#	Line 543 | Line 577 | TLegend* samplecollection::allbglegend(s
577		//  TLegend *leg = new TLegend(0.65,0.60,0.89,0.77);
578		TLegend *leg = new TLegend(posx,posy,0.89,0.89);
579		if(title!="") leg->SetHeader(title.c_str());
580	<	if(data->GetName()!="nothing") leg->AddEntry(data,"Data","p");
580	>	if(data->GetName()!="nothing") leg->AddEntry(data,"Data","lp");
581		leg->SetFillColor(kWhite);
582		leg->SetBorderSize(0);
583		leg->SetLineColor(kWhite);
584
585	<	TH1F *fakehistos[(this->collection).size()];
586	<	bool donealready[(this->collection).size()];
587	<	for(int i=0;i<(int)(this->collection).size();i++) donealready[i]=false;
585	>	int maxIgroup=0;
586	>	for(int isample=0;isample<(int)(this->collection).size();isample++) {
587	>	if((this->collection)[isample].groupindex>maxIgroup) maxIgroup=(this->collection)[isample].groupindex;
588	>	}
589	>	maxIgroup++;
590	>
591	>	TH1F *fakehistos[maxIgroup];
592	>	bool donealready[maxIgroup];
593	>
594	>	for(int i=0;i<maxIgroup;i++) donealready[i]=false;
595	>
596		for(int isample=0;isample<(int)(this->collection).size();isample++) {
597		if((this->collection)[isample].is_data||(this->collection)[isample].is_signal) continue;
556	–
598		if(!donealready[(this->collection)[isample].groupindex]) {
599	+	assert((this->collection)[isample].groupindex<maxIgroup);
600		fakehistos[(this->collection)[isample].groupindex] = new TH1F(GetNumericHistoName().c_str(),"",1,0,1);
601		fakehistos[(this->collection)[isample].groupindex]->Fill(1);
602		fakehistos[(this->collection)[isample].groupindex]->SetFillColor(this->GetColor(isample));
603		leg->AddEntry(fakehistos[(this->collection)[isample].groupindex],((this->collection)[isample].samplename).c_str(),"f");
604		donealready[(this->collection)[isample].groupindex]=true;
605	+	PlottingSetup::FakeHistoHeap.push_back(fakehistos[(this->collection)[isample].groupindex]);
606		}
607		}
608		DrawPrelim();
#	Line 568 | Line 611 | TLegend* samplecollection::allbglegend(s
611		}
612
613		TLegend* samplecollection::allbglegend(string title="",float posx=0.65, float posy=0.60) {
571	–	Int_t currlevel=gErrorIgnoreLevel;
572	–	gErrorIgnoreLevel=5000;
614		TH1F *blub = new TH1F("nothing","nothing",1,0,1);
615	<	gErrorIgnoreLevel=currlevel;//we know this possibly replaces a previous histo, but we don't care since it's fake anyway.
616	<	return this->allbglegend(title,blub,posx,posy);
615	>	TLegend *leg = this->allbglegend(title,blub,posx,posy);
616	>	PlottingSetup::FakeHistoHeap.push_back(blub);
617	>	return leg;
618		}
619
620
#	Line 607 | Line 649 | vector<float> samplecollection::get_opti
649		}
650
651		void samplecollection::PickUpFromThisFile(int isamp, string cut, vector<string> &output, vector<string> &pickupfile) {
652	<	int lumi,eventNum,runNum;
652	>	int lumi,runNum;
653	>	ULong64_t eventNum;
654	>
655		float jzb[30];
656		(this->collection)[isamp].events->SetBranchAddress("jzb",&jzb);
657		(this->collection)[isamp].events->SetBranchAddress("lumi",&runNum);
#	Line 618 | Line 662 | void samplecollection::PickUpFromThisFil
662
663		TTreeFormula *select = new TTreeFormula("select", cut.c_str()&&essentialcut, (this->collection)[isamp].events);
664		int npickedup=0;
665	+	stringstream filetext;
666		for (Int_t entry = 0 ; entry < (this->collection)[isamp].events->GetEntries() ; entry++) {
667		(this->collection)[isamp].events->LoadTree(entry);
668		if (select->EvalInstance()) {
669		(this->collection)[isamp].events->GetEntry(entry);
670		dout << runNum << ":" << lumi << ":" << eventNum << endl;
671	+	filetext.str("");
672	+	filetext << runNum << ":" << lumi << ":" << eventNum << endl;
673	+	output.push_back(filetext.str());
674		npickedup++;
675		}
676		}
#	Line 631 | Line 679 | void samplecollection::PickUpFromThisFil
679
680
681
682	<	void samplecollection::PickUpEvents(string cut) {
682	>	void samplecollection::PickUpEvents(string cut, string filename) {
683		vector<string> output;
684		vector<string> pickupfile;
685	<	for (int isamp=0;isamp<(int)this->collection.size();isamp++)
685	>	for (unsigned int isamp=0;isamp<this->collection.size();isamp++)
686		{
687		if((this->collection)[isamp].is_data) {
688		//we have a data sample !
689		this->PickUpFromThisFile(isamp,cut,output,pickupfile);
690		}
691		}
692	+
693		//do something with output and of course the pickup file!
694	+	ofstream myfile(filename.c_str());
695	+	for(unsigned int ievent=0;ievent<output.size();ievent++) myfile << output[ievent];
696	+	myfile.close();
697	+
698		}
699
700		//________________________________________________________________________________________

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