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Comparing UserCode/cbrown/Development/Plotting/Modules/SampleClass.C (file contents):
Revision 1.8 by buchmann, Wed May 23 16:01:42 2012 UTC vs.
Revision 1.29 by buchmann, Fri Jun 28 15:03:02 2013 UTC

#	Line 32 | Line 32 | using namespace std;
32
33		bool doesROOTFileExist(string filename);
34		bool addoverunderflowbins=false;
35	<	string treename="PFevents";
35	>	string treename="events";
36
37		class sample
38		{
#	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	+	//     this->events->SetCacheSize(5000000);//only a 5 MB cache!
99		if(Verbosity>0) dout << "The " << write_mc_or_data(is_data) << " file " << this->filename << " has been added successfully to the list of samples. " << endl;
100		long long measured_nevents=(long)1;
101		TH1F *weight_histo = (TH1F*)(this->tfile)->Get("weight_histo");
102		float average_weight = 1.0;
103		if(weight_histo) {
104	<	average_weight = weight_histo->Integral()/weight_histo->GetEntries();
104	>	//average_weight = weight_histo->Integral()/weight_histo->GetEntries();
105		measured_nevents = (long)weight_histo->GetEntries();
106		} else {
107		measured_nevents=(this->events)->GetEntries();
108		}
109
110	<	if(((this->Nentries>1)||(this->Nentries==0))&measured_nevents!=this->Nentries) {
110	>	if(((this->Nentries>1)||(this->Nentries==0))&&measured_nevents!=this->Nentries) {
111		//special cases: m_Nentries=1 : we want to give each event the full weight (->scans!)
112		//               m_Nentries=0: detect the number of events and set the nevents automatically
113	+	//               m_Nentries<0: set manually (see below)
114
115		stringstream warning;
116		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.";
117		if(m_Nentries>1) write_warning(__FUNCTION__,warning.str());
118		this->Nentries=measured_nevents;
119	+	} else if ( this->Nentries<0 ) {
120	+	this->Nentries = -this->Nentries;
121		}
122	<	this->weight=(xs/(float)Nentries);
123	<	this->weight/=average_weight;
122	>	if ( average_weight>0 ) {
123	>	this->weight=(xs/(float)Nentries)/average_weight;
124	>	this->weightrenormalization=(1.0/average_weight);
125	>	} else {
126	>	if(average_weight>0) {
127	>	this->weight=(xs/(float)Nentries)/average_weight;
128	>	this->weightrenormalization=(1.0/average_weight);
129	>	} else {
130	>	this->weight = (xs/(float)Nentries);
131	>	this->weightrenormalization=1;
132	>	}
133	>	}
134	>
135		}
136		else {
137		this->is_active=false;
#	Line 129 | Line 153 | void sample::closeFile()
153		bool doesROOTFileExist(string filename)
154		{
155		//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)
156	<	Int_t currlevel=gErrorIgnoreLevel;
157	<	gErrorIgnoreLevel=5000;
156	>	//   Int_t currlevel=gErrorIgnoreLevel;
157	>	//   gErrorIgnoreLevel=5000;
158		TFile *f = new TFile(filename.c_str());
159
160		if (f->IsZombie()) {
#	Line 138 | Line 162 | bool doesROOTFileExist(string filename)
162		return 0;
163		}
164		f->Close();
165	<	gErrorIgnoreLevel=currlevel;
165	>	//   gErrorIgnoreLevel=currlevel;
166		return 1;
167		}
168		//********************************************************
#	Line 146 | Line 170 | bool doesROOTFileExist(string filename)
170		TCut essentialcut("mll>0");
171		// The following cut (cutWeight) will reweight all the events: use "weight" to correct MC for pileUP, "1.0" otherwise
172		TCut cutWeight("weight");
173	+	//TCut cutWeight("(weight*(((id1==id2&&id1==0)*1.2)+((id1==id2&&id1==1)/1.2)+(id1!=id2)))");
174
175		void setessentialcut(TCut ess) {
176		essentialcut=ess;
#	Line 188 | Line 213 | public:
213		TLegend* allbglegend(string title,float x, float y);
214		TLegend* allbglegend(string title, TH1F *data, float x, float y);
215
216	<	void PickUpFromThisFile(int isamp, string cut, vector<string> &output, vector<string> &pickupfile);
217	<	void PickUpEvents(string cut);
216	>	void PickUpFromThisFile(int isamp, string cut, vector<string> &output, vector<string> &pickupfile, bool QuietMode);
217	>	void PickUpEvents(string cut,string filename,bool QuietMode);
218		string find_units(string&);
219
220		void RemoveLastSample();
#	Line 225 | Line 250 | void samplecollection::ListSamples()
250		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)
251		{
252		sample NewSample(m_filename,m_samplename,m_Nentries,m_xs,is_data,m_is_signal,groupindex,newcolor);
253	+	if (!NewSample.is_active) {
254	+	write_warning(__FUNCTION__,"Not adding this sample ("+m_filename+") as it has been declared inactive");
255	+	return;
256	+	}
257		(this->collection).push_back(NewSample);
258		if((this->collection).size()==1) {
259		this->nmcsamples=0;
#	Line 265 | Line 294 | TH1F* samplecollection::Draw(string m_hi
294		return histo;
295		}
296
297	+
298		TH1F* samplecollection::Draw(string m_histoname,string m_var, vector<float> binning, string m_xlabel, string m_ylabel, TCut Cut, bool m_is_data, float luminosity, vector<int> onlyindex, bool drawsignal=false) {
299		if(Verbosity>0) dout << endl << endl;
300		if(Verbosity>0) dout << "-------------------------------------------------------------------------------------" << endl;
301		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;
302	+
303		if(HUSH==0) dout << "Drawing histo called " << m_histoname << "... " << endl;
304		bool do_only_selected_samples=false;
305		if(onlyindex.size()>0&&onlyindex[0]!=-1) {
#	Line 305 | Line 336 | TH1F* samplecollection::Draw(string m_hi
336		TH1F *tempdrawhisto = new TH1F("tempdrawhisto","tempdrawhisto",binning.size()-1,binningarray);
337		tempdrawhisto->Sumw2();
338		if(use_this_sample) {
308	–	if(Verbosity>0) dout << "[samplecollection::Draw] : Added contribution from sample " << (this->collection)[isample].samplename << endl;
339		(this->collection)[isample].events->Draw(drawthis.str().c_str(),(essentialcut&&Cut)*cutWeight);//this weight is based on PU etc. not XS
340	+	//        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;
341	+	//       cout << "Drawing for : " << (this->collection)[isample].filename << endl;
342	+	//       for(int i=1;i<=tempdrawhisto->GetNbinsX();i++) cout << " Bin " << i << " [" << tempdrawhisto->GetBinLowEdge(i) << "," << tempdrawhisto->GetBinLowEdge(i)+tempdrawhisto->GetBinWidth(i) << "] : " << tempdrawhisto->GetBinContent(i) << " +/- " << tempdrawhisto->GetBinError(i) << endl;
343		if(addoverunderflowbins) {
344		//now also adding the overflow & underflow bins:
345		tempdrawhisto->SetBinContent(tempdrawhisto->GetNbinsX(),tempdrawhisto->GetBinContent(tempdrawhisto->GetNbinsX()+1)+tempdrawhisto->GetBinContent(tempdrawhisto->GetNbinsX()));
346		tempdrawhisto->SetBinError(tempdrawhisto->GetNbinsX(),TMath::Sqrt(tempdrawhisto->GetBinContent(tempdrawhisto->GetNbinsX())));
347	<	tempdrawhisto->SetBinContent(1,tempdrawhisto->GetBinContent(0)+tempdrawhisto->GetBinContent(1));
348	<	tempdrawhisto->SetBinError(1,TMath::Sqrt(tempdrawhisto->GetBinContent(1)));
347	>	//      tempdrawhisto->SetBinContent(1,tempdrawhisto->GetBinContent(0)+tempdrawhisto->GetBinContent(1));
348	>	//      tempdrawhisto->SetBinError(1,TMath::Sqrt(tempdrawhisto->GetBinContent(1)));
349	>	// Delete over- and under-flow bins
350	>	tempdrawhisto->SetBinContent(tempdrawhisto->GetNbinsX()+1,0);
351	>	//        tempdrawhisto->SetBinContent(0,0);
352		}
353
354		if(!(this->collection)[isample].is_data) tempdrawhisto->Scale(luminosity*((this->collection)[isample].weight));//weight applied here is XS & N(entries)
355	+	if(Verbosity>0) dout << "[samplecollection::Draw] : Added contribution from sample " << (this->collection)[isample].samplename << ": " <<tempdrawhisto->Integral() << endl;
356		histo->Add(tempdrawhisto);
357		}
358		tempdrawhisto->Delete();
#	Line 356 | Line 393 | TH2F* samplecollection::Draw(string m_hi
393		}
394		stringstream h_histoname;
395		h_histoname<<"h_"<<m_histoname;
396	<	float binningarray[binningx.size()+1];
360	<	float binningyarray[binningy.size()+1];
361	<	for(int i=0;i<(int)binningx.size();i++) {binningarray[i]=binningx[i];binningyarray[i]=binningy[i];}
362	<	TH2F *histo = new TH2F(m_histoname.c_str(),"",binningx.size()-1,binningarray,binningy.size(),binningyarray);
396	>	TH2F *histo = new TH2F(m_histoname.c_str(),"",binningx.size()-1,&binningx[0],binningy.size()-1,&binningy[0]);
397		histo->Sumw2();
398
399		stringstream drawthis;
#	Line 375 | Line 409 | TH2F* samplecollection::Draw(string m_hi
409		if(do_only_selected_samples&&this->do_sample(isample,onlyindex)) {
410		use_this_sample=true;
411		}
412	<	TH2F *tempdrawhisto = new TH2F("tempdrawhisto","tempdrawhisto",binningx.size()-1,binningarray,binningy.size()-1,binningyarray);
412	>	TH2F *tempdrawhisto = new TH2F("tempdrawhisto","tempdrawhisto",binningx.size()-1,&binningx[0],binningy.size()-1,&binningy[0]);
413		tempdrawhisto->Sumw2();
414		if(use_this_sample) {
415		if(Verbosity>0) dout << "[samplecollection::Draw] : Added contribution from sample " << (this->collection)[isample].samplename << endl;
416		(this->collection)[isample].events->Draw(drawthis.str().c_str(),(essentialcut&&Cut)*cutWeight);//this weight is based on PU etc. not XS
417	+	//       cout << "About to draw : " << drawthis.str() << "  with cut   " << (const char*) (essentialcut&&Cut)*cutWeight << endl;
418		if(addoverunderflowbins) {
419		//now also adding the overflow & underflow bins:
420		tempdrawhisto->SetBinContent(tempdrawhisto->GetNbinsX(),tempdrawhisto->GetBinContent(tempdrawhisto->GetNbinsX()+1)+tempdrawhisto->GetBinContent(tempdrawhisto->GetNbinsX()));
#	Line 410 | Line 445 | TH1F* samplecollection::Draw(string m_hi
445		{
446		binning.push_back(((float)(m_maxx-m_minx)/((float)m_nbins))*i+m_minx);
447		}
448	<
448	>
449		TH1F *histo = this->Draw(m_histoname,m_var, binning, m_xlabel, m_ylabel, Cut, m_is_data, luminosity, onlyindex,drawsignal);
450		return histo;
451		}
#	Line 434 | Line 469 | THStack samplecollection::DrawStack(stri
469		if(!drawsignal&&(this->collection)[isample].is_signal) continue;
470		if((this->collection)[isample].is_active&&(this->collection)[isample].is_data==m_is_data) {//fills mc if we want mc, else fills data.
471		TH1F *tempdrawhisto = new TH1F("tempdrawhisto","",binning.size()-1,binningarray);
472	+	tempdrawhisto->Sumw2();
473		(this->collection)[isample].events->Draw(drawthis.str().c_str(),(essentialcut&&Cut)*cutWeight);
474	<
474	>	//       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;
475		if(addoverunderflowbins) {
476		//now also adding the overflow & underflow bins:
477		tempdrawhisto->SetBinContent(tempdrawhisto->GetNbinsX(),tempdrawhisto->GetBinContent(tempdrawhisto->GetNbinsX()+1)+tempdrawhisto->GetBinContent(tempdrawhisto->GetNbinsX()));
#	Line 479 | Line 515 | THStack samplecollection::DrawStack(stri
515		for(int index=0;index<(int)ordered_indices.size();index++) {
516		thestack.Add(histogroups[ordered_indices[index]]);
517		}
518	+
519		return thestack;
520		}
521
#	Line 542 | Line 579 | TLegend* samplecollection::allbglegend(s
579		//  TLegend *leg = new TLegend(0.65,0.60,0.89,0.77);
580		TLegend *leg = new TLegend(posx,posy,0.89,0.89);
581		if(title!="") leg->SetHeader(title.c_str());
582	<	if(data->GetName()!="nothing") leg->AddEntry(data,"Data","p");
582	>	if(data->GetName()!="nothing") leg->AddEntry(data,"Data","lp");
583		leg->SetFillColor(kWhite);
584		leg->SetBorderSize(0);
585		leg->SetLineColor(kWhite);
586
587	<	TH1F *fakehistos[(this->collection).size()];
588	<	bool donealready[(this->collection).size()];
589	<	for(int i=0;i<(int)(this->collection).size();i++) donealready[i]=false;
587	>	int maxIgroup=0;
588	>	for(int isample=0;isample<(int)(this->collection).size();isample++) {
589	>	if((this->collection)[isample].groupindex>maxIgroup) maxIgroup=(this->collection)[isample].groupindex;
590	>	}
591	>	maxIgroup++;
592	>
593	>	TH1F *fakehistos[maxIgroup];
594	>	bool donealready[maxIgroup];
595	>
596	>	for(int i=0;i<maxIgroup;i++) donealready[i]=false;
597	>
598		for(int isample=0;isample<(int)(this->collection).size();isample++) {
599		if((this->collection)[isample].is_data||(this->collection)[isample].is_signal) continue;
555	–
600		if(!donealready[(this->collection)[isample].groupindex]) {
601	+	assert((this->collection)[isample].groupindex<maxIgroup);
602		fakehistos[(this->collection)[isample].groupindex] = new TH1F(GetNumericHistoName().c_str(),"",1,0,1);
603		fakehistos[(this->collection)[isample].groupindex]->Fill(1);
604		fakehistos[(this->collection)[isample].groupindex]->SetFillColor(this->GetColor(isample));
605		leg->AddEntry(fakehistos[(this->collection)[isample].groupindex],((this->collection)[isample].samplename).c_str(),"f");
606		donealready[(this->collection)[isample].groupindex]=true;
607	+	PlottingSetup::FakeHistoHeap.push_back(fakehistos[(this->collection)[isample].groupindex]);
608		}
609		}
610		DrawPrelim();
#	Line 567 | Line 613 | TLegend* samplecollection::allbglegend(s
613		}
614
615		TLegend* samplecollection::allbglegend(string title="",float posx=0.65, float posy=0.60) {
570	–	Int_t currlevel=gErrorIgnoreLevel;
571	–	gErrorIgnoreLevel=5000;
616		TH1F *blub = new TH1F("nothing","nothing",1,0,1);
617	<	gErrorIgnoreLevel=currlevel;//we know this possibly replaces a previous histo, but we don't care since it's fake anyway.
618	<	return this->allbglegend(title,blub,posx,posy);
617	>	TLegend *leg = this->allbglegend(title,blub,posx,posy);
618	>	PlottingSetup::FakeHistoHeap.push_back(blub);
619	>	return leg;
620		}
621
622
#	Line 605 | Line 650 | vector<float> samplecollection::get_opti
650
651		}
652
653	<	void samplecollection::PickUpFromThisFile(int isamp, string cut, vector<string> &output, vector<string> &pickupfile) {
654	<	int lumi,eventNum,runNum;
653	>	void samplecollection::PickUpFromThisFile(int isamp, string cut, vector<string> &output, vector<string> &pickupfile, bool QuietMode) {
654	>	int lumi,runNum;
655	>	ULong64_t eventNum;
656	>
657		float jzb[30];
658		(this->collection)[isamp].events->SetBranchAddress("jzb",&jzb);
659		(this->collection)[isamp].events->SetBranchAddress("lumi",&runNum);
#	Line 617 | Line 664 | void samplecollection::PickUpFromThisFil
664
665		TTreeFormula *select = new TTreeFormula("select", cut.c_str()&&essentialcut, (this->collection)[isamp].events);
666		int npickedup=0;
667	+	stringstream filetext;
668		for (Int_t entry = 0 ; entry < (this->collection)[isamp].events->GetEntries() ; entry++) {
669		(this->collection)[isamp].events->LoadTree(entry);
670		if (select->EvalInstance()) {
671		(this->collection)[isamp].events->GetEntry(entry);
672	<	dout << runNum << ":" << lumi << ":" << eventNum << endl;
672	>	if(!QuietMode) dout << runNum << ":" << lumi << ":" << eventNum << endl;
673	>	filetext.str("");
674	>	filetext << runNum << ":" << lumi << ":" << eventNum << endl;
675	>	output.push_back(filetext.str());
676		npickedup++;
677		}
678		}
679	<	dout << "Printed out a total of " << npickedup << " events" << endl;
679	>	if(!QuietMode) dout << "Printed out a total of " << npickedup << " events" << endl;
680		}
681
682
683
684	<	void samplecollection::PickUpEvents(string cut) {
684	>	void samplecollection::PickUpEvents(string cut, string filename, bool QuietMode=false) {
685		vector<string> output;
686		vector<string> pickupfile;
687	<	for (int isamp=0;isamp<(int)this->collection.size();isamp++)
687	>	for (unsigned int isamp=0;isamp<this->collection.size();isamp++)
688		{
689		if((this->collection)[isamp].is_data) {
690		//we have a data sample !
691	<	this->PickUpFromThisFile(isamp,cut,output,pickupfile);
691	>	this->PickUpFromThisFile(isamp,cut,output,pickupfile,QuietMode);
692		}
693		}
694	+
695		//do something with output and of course the pickup file!
696	+	ofstream myfile(filename.c_str());
697	+	for(unsigned int ievent=0;ievent<output.size();ievent++) myfile << output[ievent];
698	+	myfile.close();
699	+
700		}
701
702		//________________________________________________________________________________________

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