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#include "bdtiface.h"
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bdtiface::bdtiface(TString weightDir, TString cutfile, TString method, TString varfile):weightdir_(weightDir),varfile_(varfile)
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{
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if(weightDir != "") { // leave dir string empty if you just want root to make bdtiface_cc.so
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// get names of all the xml files for this method in weight directory
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FILE *fdls = popen("ls "+weightDir+"/*.weights.xml","r");
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char filestring[999];
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while(fscanf(fdls,"%s",filestring) == 1 ) {
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TString xmlname(filestring);
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TString binname = xmlname(TRegexp("g[0-9]_t[0-9]_s[0-9][0-9]*_pt[0-9][0-9]*"));
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if(binname=="") binname = xmlname(TRegexp("s[0-9]_pt[0-9]"));
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if(binname=="") binname = xmlname(TRegexp("Cat[0-9]"));
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if(binname=="") binname = xmlname(TRegexp("[CETB][enra][ndar][tcnr][rase][apil][^_][^_]*"));
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if(binname=="") binname = "~";
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// everybody's got different names for each bin...
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// check it here: http://cmssw.cvs.cern.ch/cgi-bin/cmssw.cgi/UserCode/EGamma/EGammaAnalysisTools/src/EGammaMvaEleEstimator.cc?revision=1.2&view=markup
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if(binname=="Cat1") binname = "s0_pt0";
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if(binname=="Cat2") binname = "s1_pt0";
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if(binname=="Cat3") binname = "s2_pt0";
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if(binname=="Cat4") binname = "s0_pt1";
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if(binname=="Cat5") binname = "s1_pt1";
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if(binname=="Cat6") binname = "s2_pt1";
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binnamev_.push_back(binname);
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xml_names_[binname] = xmlname;
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}
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fclose(fdls);
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// read bin info from txt file
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readbins(varfile);
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// if only one weight file is found, read the variables from the txt file (since they'll be listed multiple times in the weight file...)
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cout << "bdtiface: loading... -------------------------------------------------------" << endl;
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if(binnamev_.size()==1) {cout << "\tbdtiface: reading from txt file..." << endl; readvars(varfile); }
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// if several weight files found, read variables from weight files
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else { cout << "\tbdtiface: reading from xml..." << endl; getxmlvars(); }
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readlimits(varfile);
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// push back default bins if they weren't read from the txt file
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// if(ptbin_highs_.size()==0) { ptbin_highs_.push_back(20); ptbin_highs_.push_back(7000); }
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// if(etabin_highs_.size()==0) { etabin_highs_.push_back(0.8); etabin_highs_.push_back(1.485); etabin_highs_.push_back(2.5); }
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// create a reader for each bin
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for(UInt_t ibin=0; ibin<binnamev_.size(); ibin++)
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readers_[binnamev_[ibin]] = new TMVA::Reader( "!Color!Silent" );
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map<TString,TMVA::Reader*>::iterator it;
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for(it=readers_.begin(); it!=readers_.end(); it++) {
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TString bin((*it).first);
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// add vars to the tmva reader for this bin
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for(unsigned ivar=0; ivar<floatvar_expressions_[bin].size(); ivar++) {
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(*it).second->AddVariable(floatvar_expressions_[bin][ivar],&floatvals_[floatvar_names_[bin][ivar]]);
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}
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for(unsigned ispec=0; ispec<floatspec_names_[bin].size(); ispec++) {
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TString varname(floatspec_names_[bin][ispec]);
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(*it).second->AddSpectator(varname,&floatvals_[varname]);
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}
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// read in weight file for this bin
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TString weightfilename(xml_names_[(*it).first]);
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ifstream weightfs(weightfilename);
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if(weightfs.is_open()) (*it).second->BookMVA(method,weightfilename);
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else { cerr << "bdtiface: Cannot find weight file: " << weightfilename << "!" << endl; assert(0); }
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}
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} else cerr << "bdtiface: Warning: not loading any weight files!" << endl;
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if(cutfile == "") cerr << "bdtiface: Warning: not loading a cut file!" << endl;
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else readBDTCuts(cutfile); // same
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cout << "bdtiface: loaded... ----------------------------------------------------------------------------------------" << endl;
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}
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//----------------------------------------------------------------------------------------
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void bdtiface::getxmlvars()
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{
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map<TString,TString>::iterator it;
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// loop over xml files
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max_nfloats = 0;
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for(it=xml_names_.begin(); it!=xml_names_.end(); it++) {
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TString bin((*it).first);
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ifstream ifs;
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ifs.open((*it).second);
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string line;
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int ivar=0,ispec=0;
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while(getline(ifs,line)) {
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TString rline(line.c_str());
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TString expression(rline(TRegexp("Expression=\"[^\"][^\"]*")));
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expression = expression(12,expression.Length());
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TString vname(rline(TRegexp("Label=\"[^\"][^\"]*")));
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vname = vname(7,vname.Length());
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TString type(rline(TRegexp("Type=\"[a-zA-Z]")));
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type = type(6,type.Length());
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if(rline.Contains(TRegexp("Variable VarIndex"))) {
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if(type=="F" || type=="I") { // tmva::reader only allows floats...
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floatvar_names_[bin].push_back(vname);
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floatvar_expressions_[bin].push_back(expression);
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if(floatvals_.find(vname) == floatvals_.end()) { floatvals_[vname] = Float_t(0); max_nfloats++;}
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} else assert(0);
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ivar++;
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} else if(rline.Contains(TRegexp("Spectator SpecIndex"))) {
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if(type=="F" || type=="I") {
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floatspec_names_[bin].push_back(vname);
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if(floatvals_.find(vname) == floatvals_.end()) { floatvals_[vname] = Float_t(0); max_nfloats++;}
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} else assert(0);
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ispec++;
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}
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}
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}
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}
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//----------------------------------------------------------------------------------------
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void bdtiface::readbins(TString varfile)
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{
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// read binning information from txt file
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ifstream ifs(varfile);
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assert(ifs.is_open());
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string line;
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bool list=false; // just list all bins in the txt file
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vector<float> tmp_pt_highs,tmp_eta_highs;
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while(getline(ifs,line)) {
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if(line[0]=='#') continue;
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if(line[0]!='@') continue;
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stringstream ss(line);
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if(line=="@LIST") { list=true; continue; }
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TString first_str;
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ss >> first_str;
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while(!ss.eof()) {
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if(list) {
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TString variable;
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Float_t low,high;
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ss >> variable >> low >> high;
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TString binname(first_str(1,first_str.Length()));
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// cout << binname << "\t" << variable << "\t" << low << "\t" << high << endl;
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if(variable=="glb") {
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glbbin_lows_[binname] = *(new Float_t(low));
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glbbin_highs_[binname] = *(new Float_t(high));
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} else if(variable=="trk") {
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trkbin_lows_[binname] = *(new Float_t(low));
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trkbin_highs_[binname] = *(new Float_t(high));
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} else if(variable=="pt") {
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ptbin_lows_[binname] = *(new Float_t(low));
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ptbin_highs_[binname] = *(new Float_t(high));
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} else if(variable=="eta") {
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etabin_lows_[binname] = *(new Float_t(low));
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etabin_highs_[binname] = *(new Float_t(high));
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} else { cerr << "bad variable: " << variable << endl; assert(0); }
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} else {
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float high;
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ss >> high;
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if(first_str=="@pt") tmp_pt_highs.push_back(float(high));
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else if(first_str=="@eta") tmp_eta_highs.push_back(float(high));
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else break;
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}
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}
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}
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if(!list) {
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for(unsigned ipt=0; ipt<tmp_pt_highs.size(); ipt++) {
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for(unsigned ieta=0; ieta<tmp_eta_highs.size(); ieta++) {
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stringstream ss_binname;
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ss_binname << "s" << ieta << "_pt" << ipt;
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TString binname(ss_binname.str().c_str());
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ptbin_lows_[binname] = *(new Float_t((ipt==0) ? 0 : tmp_pt_highs[ipt-1]));
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ptbin_highs_[binname] = *(new Float_t(tmp_pt_highs[ipt]));
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etabin_lows_[binname] = *(new Float_t((ieta==0) ? 0 : tmp_eta_highs[ieta-1]));
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etabin_highs_[binname] = *(new Float_t(tmp_eta_highs[ieta]));
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}
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}
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}
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ifs.close();
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}
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//----------------------------------------------------------------------------------------
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void bdtiface::readvars(TString varfile)
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{
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max_nfloats = 0;
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// read in list of mva variables
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ifstream ifs(varfile);
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assert(ifs.is_open());
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string line;
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vector<TString> expressionv;
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vector<char> typev;
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TString bin("~");
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while(getline(ifs,line)) {
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if(line[0]=='#') continue;
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stringstream ss(line);
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if(line[0]=='@') {
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continue;
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} else {
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TString type;
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TString vname,use,expression;
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ss >> type >> vname >> use >> expression;
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assert(type=='F'||type=='I');
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assert(use=="var"||use=="spec");
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if(use=="var") {
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if(type=="F" || type=="I") {
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floatvar_names_[bin].push_back(vname);
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floatvar_expressions_[bin].push_back(expression);
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if(floatvals_.find(vname) == floatvals_.end()) {
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floatvals_[vname] = Float_t(0);
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max_nfloats++;
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}
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} else assert(0);
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} else if(use=="spec") {
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if(type=="F" || type=="I") {
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floatspec_names_[bin].push_back(vname);
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if(floatvals_.find(vname) == floatvals_.end()) {
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floatvals_[vname] = Float_t(0);
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max_nfloats++;
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}
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} else assert(0);
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}
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}
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}
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}
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//----------------------------------------------------------------------------------------
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TString bdtiface::getBinName(double pt, double eta, int isglobal, int istracker)
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{
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// classify by eta and pt bins
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for(unsigned ibin=0; ibin<binnamev_.size(); ibin++) {
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TString binname(binnamev_[ibin]);
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// cout << binname << "\t"
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// << ptbin_lows_[binname] << "\t"
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// << ptbin_highs_[binname] << "\t"
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// << etabin_lows_[binname] << "\t"
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// << etabin_highs_[binname] << "\t"
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// << endl;
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bool thisptbin=false,thisetabin=false,thisglobalbin=false,thistrackerbin=false;
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if( pt >= ptbin_lows_[binname] && pt < ptbin_highs_[binname]) thisptbin = true;
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if(fabs(eta) >= etabin_lows_[binname] && fabs(eta) < etabin_highs_[binname]) thisetabin = true;
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if(isglobal != -1)
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if(isglobal == glbbin_lows_[binname] && isglobal == glbbin_highs_[binname]) thisglobalbin = true;
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if(istracker != -1)
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if(istracker == trkbin_lows_[binname] && istracker == trkbin_highs_[binname]) thistrackerbin = true;
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if(thisptbin && thisetabin && (isglobal==-1 || thisglobalbin) && (istracker==-1 || thistrackerbin)) return binname;
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}
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// assert(0);
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cerr << "BIN NOT FOUND: " << pt << "\t" << eta << endl;
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for(unsigned ibin=0; ibin<binnamev_.size(); ibin++) {
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TString binname(binnamev_[ibin]);
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cout << binnamev_[ibin] << "\t" << ptbin_lows_[binname] << "," << ptbin_highs_[binname] << "\t" << etabin_lows_[binname] << "," << etabin_highs_[binname] << endl;
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}
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assert(0);
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}
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//----------------------------------------------------------------------------------------
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void bdtiface::readlimits(TString varfile)
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{
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// get the limits for each variable
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ifstream ifs(varfile);
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assert(ifs.is_open());
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string line;
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vector<TString> expressionv;
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vector<char> typev;
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TString bin("~");
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while(getline(ifs,line)) {
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if(line[0]=='#') continue;
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stringstream ss(line);
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if(line[0]=='@') {
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continue;
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} else {
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TString type,vname,use,expression,etabin;
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bool abs;
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double min,max;
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ss >> type >> vname >> use >> expression >> etabin >> abs >> min >> max;
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minima_[vname] = (Float_t)min;
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maxima_[vname] = (Float_t)max;
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}
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}
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}
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//----------------------------------------------------------------------------------------
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void bdtiface::readBDTCuts(TString file)
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{
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// get bdt cut values from file
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ifstream ifs;
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ifs.open(file.Data());
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if(!ifs.is_open()) {
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cerr << "bdtiface: Warning: bdtcut file does not exist!" << endl;
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// for(unsigned ibin=0; ibin<binnamev_.size(); ibin++) {
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// TString binname(binnamev_[ibin]);
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// loosecuts_[binname] = 999;
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// mediumcuts_[binname] = 999;
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// tightcuts_[binname] = 999;
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// }
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return;
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}
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string line;
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vector<TString> wpnames;
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while(getline(ifs,line)) {
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stringstream ss(line);
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// push back the working point names
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if(line[0]=='@') {
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TString atsign;
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ss >> atsign;
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while(!ss.eof()) {
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TString wpname;
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ss >> wpname;
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wpname.ReplaceAll("@","");
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wpnames.push_back(wpname);
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}
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continue;
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}
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| 315 |
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| 316 |
if(wpnames.size()==0) { wpnames.push_back("loose"); wpnames.push_back("medium"); wpnames.push_back("tight"); }
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string binname;
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ss >> binname;
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for(unsigned iwp=0; iwp<wpnames.size(); iwp++) {
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double cutval;
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ss >> cutval;
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cuts_[binname+"_"+wpnames[iwp]] = *(new double(cutval));
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| 324 |
// cout << binname << "\t" << wpnames[iwp] << cutval << endl;
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}
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// // Double_t loosecut,mediumcut,tightcut;
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| 327 |
// // ss >> binname >> loosecut >> mediumcut >> tightcut;
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| 328 |
// loosecuts_[binname] = cuts_[binname+"_loose"];
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// mediumcuts_[binname] = cuts_[binname+"_medium"];
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| 330 |
// tightcuts_[binname] = cuts_[binname+"_tight"];
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| 331 |
}
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| 332 |
}
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| 333 |
//----------------------------------------------------------------------------------------
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| 334 |
void bdtiface::setVals(map<TString,Float_t> floatvals)
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| 335 |
{
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| 336 |
// pass in a map of the variable values for each event
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| 337 |
if(floatvals.size()!=max_nfloats) {
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| 338 |
cerr << "ERROR, passed vars: " << floatvals.size() << "\t" << "number required: " << max_nfloats << endl;
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| 339 |
map<TString,Float_t>::iterator it;
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| 340 |
if(floatvals.size() > floatvals_.size()) {
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| 341 |
for(it=floatvals.begin(); it!=floatvals.end(); it++) {
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| 342 |
if(floatvals_.find((*it).first) == floatvals_.end()) cerr << "\t" << (*it).first << " not read from xml/txt in " << weightdir_(0,weightdir_.Last('/')) << endl;
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| 343 |
}
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| 344 |
} else {
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| 345 |
for(it=floatvals_.begin(); it!=floatvals_.end(); it++) {
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| 346 |
if(floatvals.find((*it).first) == floatvals.end()) cerr << "\t" << (*it).first << " not found in map of passed floatvals" << endl;
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| 347 |
}
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| 348 |
}
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| 349 |
assert(0);
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| 350 |
}
|
| 351 |
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| 352 |
map<TString,Float_t>::iterator it_fl;
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| 353 |
for(it_fl=floatvals.begin(); it_fl!=floatvals.end(); it_fl++) {
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| 354 |
TString name((*it_fl).first);
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| 355 |
if(floatvals_.find(name) == floatvals_.end()) { cerr << "bdtiface: " << name << " not found in float vals read from xml/txt" << endl; assert(0); }
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| 356 |
Float_t value = floatvals[name];
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| 357 |
assert(minima_.find(name) != minima_.end()); assert(maxima_.find(name) != maxima_.end());
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| 358 |
if(minima_[name] != -9999999 && value < minima_[name]) value = minima_[name];
|
| 359 |
if(maxima_[name] != 9999999 && value > maxima_[name]) value = maxima_[name];
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| 360 |
floatvals_[name] = value;
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| 361 |
}
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| 362 |
}
|
| 363 |
//----------------------------------------------------------------------------------------
|
| 364 |
double bdtiface::getBDTCut(double pt, double eta, TString tightness)
|
| 365 |
{
|
| 366 |
TString binname = getBinName(pt,eta);
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| 367 |
return getBDTCut(binname,tightness);
|
| 368 |
}
|
| 369 |
//----------------------------------------------------------------------------------------
|
| 370 |
double bdtiface::getBDTCut(TString binname, TString tightness)
|
| 371 |
{
|
| 372 |
TString cutlabel(binname+"_"+tightness);
|
| 373 |
if(cuts_.find(binname+"_"+tightness) != cuts_.end()) return cuts_[binname+"_"+tightness];
|
| 374 |
cout << cutlabel << " not found!" << endl;
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| 375 |
map<TString,double>::iterator it;
|
| 376 |
for(it=cuts_.begin(); it!=cuts_.end(); it++) {
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| 377 |
cout << "\t" << (*it).first << "\t" << (*it).second << endl;
|
| 378 |
}
|
| 379 |
assert(0);
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| 380 |
// if(tightness=="loose") return loosecuts_[binname];
|
| 381 |
// else if(tightness=="medium") return mediumcuts_[binname];
|
| 382 |
// else if(tightness=="tight") return tightcuts_[binname];
|
| 383 |
// else {cout << "error! bad tightness" << endl; assert(0); return -1;}
|
| 384 |
}
|
| 385 |
//----------------------------------------------------------------------------------------
|
| 386 |
double bdtiface::getBDTval(Double_t pt, Double_t eta, TString method)
|
| 387 |
{
|
| 388 |
TString binname((readers_.size()>1) ? getBinName(pt,eta) : "~");
|
| 389 |
assert(readers_.find(binname) != readers_.end());
|
| 390 |
TMVA::Reader *reader = readers_[binname];
|
| 391 |
return reader->EvaluateMVA(method);
|
| 392 |
}
|
| 393 |
//----------------------------------------------------------------------------------------
|
| 394 |
Bool_t bdtiface::passBDT(Double_t pt, Double_t eta, TString tightness, TString method)
|
| 395 |
{
|
| 396 |
double bdtcut = getBDTCut(pt,eta,tightness);
|
| 397 |
TString binname((readers_.size()>1) ? getBinName(pt,eta) : "~");
|
| 398 |
assert(readers_.find(binname) != readers_.end());
|
| 399 |
TMVA::Reader *reader = readers_[binname];
|
| 400 |
double bdtval = reader->EvaluateMVA(method);
|
| 401 |
|
| 402 |
//cerr << "bdtcut: " << bdtcut << "\tbdtval: " << bdtval << endl;
|
| 403 |
|
| 404 |
return bdtval > bdtcut;
|
| 405 |
}
|
| 406 |
//----------------------------------------------------------------------------------------
|
| 407 |
void bdtiface::print()
|
| 408 |
{
|
| 409 |
cout << "bdtiface -- weightdir: " << weightdir_ << endl;
|
| 410 |
}
|
| 411 |
|
