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#include "PlotTool.h"
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//------------------------------------------------------------------
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//Constructur: Set some global Variables to define canvas output
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PlotTool::PlotTool()
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{
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this->SetClass("TChain",100);
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samePad_trees = true;
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samePad_vars = false;
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samePad_cuts = false;
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sameCanv_trees = false;
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sameCanv_vars = false;
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sameCanv_cuts = false;
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showLegend = false;
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}
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//------------------------------------------------------------------
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//Fill object PlotTool with Chains constructed from files from given source
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int PlotTool::init(string fileName, string dirPath, string treeName)
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{
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this->New( this->GetEntries() );
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int currChain = this->GetEntries() - 1;
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if(currChain < 0 ) return currChain;
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((TChain*) this->At(currChain))->SetName(fileName.c_str());
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TSystemDirectory dir("sourceDir",dirPath.c_str());
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TList *files = dir.GetListOfFiles();
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if (files) {
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TIter next(files);
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TSystemFile *file;
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TString fname;
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string filePath;
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cout<<"Open"<<dirPath.c_str()<<" Search for .root files that contain: "<<fileName.c_str()<<endl;
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while ((file=(TSystemFile*)next())) {
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fname = file->GetName();
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if (!fname.EndsWith(".root")) continue;
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if (!fname.Contains(fileName.c_str())) continue;
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filePath = dirPath;
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filePath += fname.Data();
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if( ((TChain*) this->At(currChain))->AddFile(filePath.c_str(), -1, treeName.c_str()) ) cout<<"Chained "<<((TChain*) this->At(currChain))->GetNtrees()<<" file(s) with "<<((TChain*) this->At(currChain))->GetEntries()<<" events."<<endl;
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else return -1;
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}
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} else return -1;
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for(int i=0;i<((TChain*) this->At(currChain))->GetListOfBranches()->GetEntries();++i){
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string s(((TChain*) this->At(currChain))->GetListOfBranches()->At(i)->GetName());
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size_t a = s.find("_");
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if(a == string::npos) a = 0;
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size_t b = s.find("_", a+1);
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if(b == string::npos) b = 50;
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string branch_alias = s.substr(a+1,b-a-1);
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string branch_name = s;
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if(s.find(".",s.size()-1) != string::npos ) branch_name += "obj";
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((TChain*) this->At(currChain))->SetAlias(branch_alias.c_str(),branch_name.c_str());
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}
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return this->GetEntries();
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}
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//------------------------------------------------------------------
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//Draw given Chain with given variable and given cuts
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int PlotTool::plot(int chainIndex, string histName, string cutName, int nEntries, string drwOpt)
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{
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if( chainIndex >= this->GetEntries() ) return -1;
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int currN = nEntries;
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if(nEntries < 0) currN = ((TChain*) this->At(chainIndex))->GetEntries(); //nEntries<0 : all entries are plotted!
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//++++ Create and name Canvases according to global variables +++++++++++++
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ostringstream currHistName;
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if( samePad_trees) currHistName<<((TChain*) this->At(chainIndex))->GetName()<<":";
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if( samePad_vars) currHistName<<histName;
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if( samePad_cuts) currHistName<<"{"<<cutName<<"}";
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ostringstream currPadName;
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if(! samePad_trees) currPadName<<((TChain*) this->At(chainIndex))->GetName()<<":";
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if(! samePad_vars) currPadName<<histName;
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if(! samePad_cuts) currPadName<<"{"<<cutName<<"}";
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ostringstream currCanvName;
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if(! sameCanv_trees && ! samePad_trees ) currCanvName<<((TChain*) this->At(chainIndex))->GetName()<<":";
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if(! sameCanv_vars && ! samePad_vars) currCanvName<<histName;
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if(! sameCanv_cuts && ! samePad_cuts) currCanvName<<"{"<<cutName<<"}";
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if( (sameCanv_trees || samePad_trees) && (sameCanv_vars || samePad_vars) && (sameCanv_cuts || samePad_cuts) ) currCanvName<<"All";
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string currOpt = drwOpt;
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bool useSubPads = (sameCanv_trees && !samePad_trees) || (sameCanv_vars && !samePad_vars) || (sameCanv_cuts && !samePad_cuts);
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if( useSubPads ) {
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if( ! canvases_[currCanvName.str()] || ! gROOT->FindObject(currCanvName.str().c_str()) ) {
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canvases_[currCanvName.str()] = new TCanvas(currCanvName.str().c_str(), currCanvName.str().c_str());
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} else if ( canvases_[currCanvName.str()]->GetNumber() >= 0 ) {
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canvases_[currCanvName.str()]->SetNumber(canvases_[currCanvName.str()]->GetNumber()+1);
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}
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}
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if( ! pads_[currPadName.str()] || ! gROOT->FindObject(currPadName.str().c_str()) ) {
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pads_[currPadName.str()] = new TCanvas(currPadName.str().c_str(), currPadName.str().c_str());
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} else {
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pads_[currPadName.str()]->cd();
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currOpt += "SAMES";
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if(useSubPads) canvases_[currCanvName.str()]->SetNumber(canvases_[currCanvName.str()]->GetNumber()-1);
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}
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//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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//Draw histogram:
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int draw_err = ((TChain*) this->At(chainIndex))->Draw(histName.c_str(), cutName.c_str(), currOpt.c_str(), currN);
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if( draw_err < 0 ) return draw_err;
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//++++ Fix for histos with no entries +++++++++++++
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if( draw_err == 0 ) {
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if( currOpt.find("SAMES") == string::npos ) {
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pads_[currPadName.str()]->Close();
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pads_.erase( currPadName.str() );
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if(useSubPads) canvases_[currCanvName.str()]->SetNumber(canvases_[currCanvName.str()]->GetNumber()-1);
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}
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cout<< "Warning: "<<currHistName.str().c_str()<<" in "<<currPadName.str()<<" has no entries and is not drawn!"<<endl;
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return draw_err;
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}
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//++++++++++++++++++++++++++++++++++++++++++++++++++
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((TH1F*) pads_[currPadName.str()]->GetPrimitive("htemp"))->SetName(currHistName.str().c_str()); // Set Name of histogram
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return draw_err;
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}
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//------------------------------------------------------------------
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//Standard loop to draw all chains and multiple variables and cuts
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int PlotTool::loop(vector<string> _histName, vector<string> _cutName, int nEntries, string drwOpt, bool correspond)
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{
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int numProcessed = 0;
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if( correspond == false ) {
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for(int i=0; i<this->GetEntries(); ++i) {
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for(vector<string>::iterator it1 =_histName.begin(); it1 != _histName.end(); ++it1) {
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for(vector<string>::iterator it2 =_cutName.begin(); it2 != _cutName.end(); ++it2) {
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numProcessed += plot(i, *it1, *it2, nEntries, drwOpt);
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}
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}
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}
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} else {
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if( _histName.size() != _cutName.size() ) return -1;
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for(int i=0; i<this->GetEntries(); ++i) {
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for(vector<string>::iterator it1 =_histName.begin(),it2 =_cutName.begin(); it1 != _cutName.end()&&it2 != _cutName.end(); ++it1, ++it2) {
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numProcessed += plot(i, *it1, *it2, nEntries, drwOpt);
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}
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}
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}
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updatePads();
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fillCanvases();
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return numProcessed;
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}
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//Helper methods to allow for using simple strings as input
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int PlotTool::loop(string histName, string cutName, int nEntries, string drwOpt)
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{
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vector<string> _histName;
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_histName.push_back( histName );
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vector<string> _cutName;
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_cutName.push_back( cutName );
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return loop(_histName, _cutName, nEntries, drwOpt);
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}
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int PlotTool::loop(vector<string> _histName, string cutName, int nEntries, string drwOpt)
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{
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vector<string> _cutName;
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_cutName.push_back( cutName );
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return loop(_histName, _cutName, nEntries, drwOpt);
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}
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int PlotTool::loop(string histName, vector<string> _cutName, int nEntries, string drwOpt)
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{
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vector<string> _histName;
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_histName.push_back( histName );
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return loop(_histName, _cutName, nEntries, drwOpt);
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}
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//------------------------------------------------------------------
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//redraw the canvas to make changes in style visible
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int PlotTool::updatePads() {
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for(map< string, TCanvas* >::iterator it=pads_.begin() ; it != pads_.end(); ++it ) {
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if( gROOT->FindObject( (*it).first.c_str() ) ) {
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(*it).second->Draw();
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setCanvas( (*it).second );
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} else pads_.erase( it );
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}
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return pads_.size();
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}
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int PlotTool::fillCanvases() {
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for(map< string, TCanvas* >::iterator it=canvases_.begin() ; it != canvases_.end(); ++it ) {
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const char* canvName = (*it).first.c_str();
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if( gROOT->FindObject( canvName ) ) {
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int numP = (*it).second->GetNumber()+1;
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if( numP <= 0 ) continue;
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int x = int( sqrt(numP) );
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int y = x;
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if( x*y < numP ) x += 1;
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if( x*y < numP ) x += 1;
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if( x*y < numP ) {
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x -= 1;
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y += 1;
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}
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(*it).second->Divide(x,y);
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int padIndex = 1;
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for(map< string, TCanvas* >::iterator it2=pads_.begin() ; it2 != pads_.end(); ++it2 ) {
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string padName = (*it2).first;
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if( gROOT->FindObject( padName.c_str() ) ) {
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if( ( padName.find(canvName) != string::npos ) || !strcmp(canvName,"All") ) {
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(*it).second->cd(padIndex);
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(*it2).second->DrawClonePad();
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(*it2).second->Close();
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pads_.erase( it2 );
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++padIndex;
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}
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} else pads_.erase( it2 );
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}
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(*it).second->SetNumber(-1);
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} else canvases_.erase( it );
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}
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return canvases_.size();
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}
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//------------------------------------------------------------------
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void PlotTool::setCanvas(TCanvas* thisCanvas) {
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TH1* thisHist = 0;
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TPaveStats* thisStatsBox = 0;
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TPaletteAxis* palette =0;
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TLegend* thisLeg = 0;
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int counter =0;
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double maxEntry=0;
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((TFrame*) thisCanvas->GetFrame())->Delete();
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thisCanvas->GetFrame()->SetLineWidth( gStyle->GetLineWidth() );
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thisCanvas->SetLeftMargin(0.2);
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thisCanvas->SetRightMargin(0.06);
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thisCanvas->SetBottomMargin(0.2);
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thisCanvas->SetTopMargin(0.1);
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if(showLegend) thisLeg = new TLegend();
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for(int i = 0; i != thisCanvas->GetListOfPrimitives()->GetSize(); ++i){
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if( ! thisCanvas->GetListOfPrimitives()->At(i)->InheritsFrom("TH1")) continue;
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thisHist = ((TH1*) thisCanvas->GetListOfPrimitives()->At(i));
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setColor(thisHist, counter);
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setMathLabels(thisHist);
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if(thisHist->GetMaximum() > maxEntry) maxEntry = thisHist->GetMaximum();
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thisStatsBox = (TPaveStats*) thisHist->GetListOfFunctions()->FindObject("stats");
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if(thisStatsBox) setStats(thisCanvas, thisStatsBox, thisHist, counter);
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palette = (TPaletteAxis*) thisHist->GetListOfFunctions()->FindObject("palette");
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if(palette) setPalette(thisCanvas, palette);
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if(thisLeg) thisLeg->AddEntry(thisHist,thisHist->GetName())->SetTextSize(0.04);
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++counter;
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}
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if( maxEntry != 0) setHistMax(thisCanvas, maxEntry);
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thisCanvas->cd();
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thisCanvas->Update();
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if(thisLeg) setLegend( thisCanvas, thisLeg, counter);
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}
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//------------------------------------------------------------------
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//private helper classes to set the canvas and hist style
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void PlotTool::setStats(TCanvas* thisCanvas, TPaveStats* thisStatsBox, TH1* thisHist, int counter) {
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if(thisCanvas->GetRightMargin() < .2) thisCanvas->SetRightMargin(.2);
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thisStatsBox->SetLineColor(thisHist->GetLineColor());
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thisStatsBox->SetX2NDC(1.);
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thisStatsBox->SetY2NDC(1-thisCanvas->GetTopMargin()-0.16*counter);
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thisStatsBox->SetX1NDC(1-thisCanvas->GetRightMargin()+0.01);
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thisStatsBox->SetY1NDC(thisStatsBox->GetY2NDC()-.15);
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}
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void PlotTool::setMathLabels(TH1* thisHist) {
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string t = thisHist ->GetTitle();
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string x = thisHist->GetXaxis()->GetTitle();
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string y = thisHist->GetYaxis()->GetTitle();
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if(t.find(".phi()") != string::npos ) t.replace(t.find(".phi()"),6," #phi");
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if(x.find(".phi()") != string::npos ) x.replace(x.find(".phi()"),6," #phi");
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if(y.find(".phi()") != string::npos ) y.replace(y.find(".phi()"),6," #phi");
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if(t.find(".eta()") != string::npos ) t.replace(t.find(".eta()"),6," #eta");
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if(x.find(".eta()") != string::npos ) x.replace(x.find(".eta()"),6," #eta");
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if(y.find(".eta()") != string::npos ) y.replace(y.find(".eta()"),6," #eta");
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if(t.find(".pt()") != string::npos ) t.replace(t.find(".pt()"),5," p_{T}");
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if(x.find(".pt()") != string::npos ) x.replace(x.find(".pt()"),5," p_{T}");
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if(y.find(".pt()") != string::npos ) y.replace(y.find(".pt()"),5," p_{T}");
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thisHist ->SetTitle(t.c_str());
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thisHist->GetXaxis()->SetTitle(x.c_str());
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thisHist->GetYaxis()->SetTitle(y.c_str());
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}
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| 373 |
void PlotTool::setColor(TH1* thisHist, int counter) {
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| 374 |
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| 375 |
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| 376 |
if(counter == 0) {
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| 377 |
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| 378 |
thisHist->SetLineColor (kRed+1);
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| 379 |
if( gStyle->GetHistFillStyle() ) thisHist->SetFillColor (kRed+1);
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else thisHist->SetFillStyle(0);
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| 381 |
thisHist->SetMarkerColor(kRed+1);
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| 382 |
} else if(counter == 1) {
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| 383 |
thisHist->SetLineColor (kBlue+1);
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| 384 |
if( gStyle->GetHistFillStyle() ) thisHist->SetFillColor (kBlue+1);
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else thisHist->SetFillStyle(0);
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| 386 |
thisHist->SetMarkerColor(kBlue+1);
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| 388 |
} else if(counter == 2) {
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| 389 |
thisHist->SetLineColor (kGreen+2);
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if( gStyle->GetHistFillStyle() ) thisHist->SetFillColor (kGreen+2);
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else thisHist->SetFillStyle(0);
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thisHist->SetMarkerColor(kGreen+2);
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} else if(counter == 3) {
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thisHist->SetLineColor (kMagenta+2);
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if( gStyle->GetHistFillStyle() ) thisHist->SetFillColor (kMagenta+2);
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else thisHist->SetFillStyle(0);
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thisHist->SetMarkerColor(kMagenta+2);
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} else if(counter == 4) {
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thisHist->SetLineColor (kCyan+2);
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if( gStyle->GetHistFillStyle() ) thisHist->SetFillColor (kCyan+2);
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| 403 |
else thisHist->SetFillStyle(0);
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thisHist->SetMarkerColor(kCyan+2);
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| 405 |
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} else {
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| 407 |
thisHist->SetLineColor (kBlack);
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if( gStyle->GetHistFillStyle() ) thisHist->SetFillColor (kBlack);
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| 409 |
else thisHist->SetFillStyle(0);
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| 410 |
thisHist->SetMarkerColor(kBlack);
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| 411 |
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| 412 |
}
|
| 413 |
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| 414 |
}
|
| 415 |
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| 416 |
void PlotTool::setPalette(TCanvas* thisCanvas, TPaletteAxis* palette) {
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| 417 |
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| 418 |
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| 419 |
palette->SetLabelSize(0.045);
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| 420 |
if(thisCanvas->GetRightMargin() < .15) thisCanvas->SetRightMargin(.15);
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| 421 |
palette->SetX1NDC(1-thisCanvas->GetRightMargin()+0.01);
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| 422 |
palette->SetY1NDC(thisCanvas->GetBottomMargin());
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| 423 |
palette->SetX2NDC(palette->GetX1NDC()+0.05);
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| 424 |
palette->SetY2NDC(1-thisCanvas->GetTopMargin());
|
| 425 |
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| 426 |
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| 427 |
}
|
| 428 |
|
| 429 |
void PlotTool::setHistMax(TCanvas* thisCanvas, double maxEntry) {
|
| 430 |
|
| 431 |
TH1* thisHist = 0;
|
| 432 |
|
| 433 |
for(int i = 0; i != thisCanvas->GetListOfPrimitives()->GetSize(); ++i){
|
| 434 |
|
| 435 |
if( ! thisCanvas->GetListOfPrimitives()->At(i)->InheritsFrom("TH1") ) continue;
|
| 436 |
thisHist = ((TH1*) thisCanvas->GetListOfPrimitives()->At(i));
|
| 437 |
if( thisHist->GetMaximum() < maxEntry ) thisHist->GetYaxis()->SetRangeUser(thisHist->GetMinimum(),maxEntry*1.2);
|
| 438 |
break;
|
| 439 |
|
| 440 |
}
|
| 441 |
|
| 442 |
|
| 443 |
}
|
| 444 |
|
| 445 |
void PlotTool::setLegend(TCanvas* thisCanvas, TLegend* thisLeg, int counter) {
|
| 446 |
|
| 447 |
thisLeg->SetFillStyle(0);
|
| 448 |
thisLeg->SetX1NDC(1-thisCanvas->GetRightMargin()-0.5);
|
| 449 |
thisLeg->SetY1NDC(1-thisCanvas->GetTopMargin()-0.05*counter);
|
| 450 |
thisLeg->SetX2NDC(1-thisCanvas->GetRightMargin());
|
| 451 |
thisLeg->SetY2NDC(1-thisCanvas->GetTopMargin());
|
| 452 |
thisLeg->SetEntrySeparation(0.5);
|
| 453 |
thisLeg->Draw("NDC");
|
| 454 |
|
| 455 |
}
|
| 456 |
|
| 457 |
void PlotTool::createColors()
|
| 458 |
{
|
| 459 |
const Int_t NRGBs = 5;
|
| 460 |
const Int_t NCont = 255;
|
| 461 |
|
| 462 |
Double_t stops[NRGBs] = { 0.00, 0.34, 0.61, 0.84, 1.00 };
|
| 463 |
Double_t red[NRGBs] = { 0.00, 0.00, 0.87, 1.00, 0.51 };
|
| 464 |
Double_t green[NRGBs] = { 0.00, 0.81, 1.00, 0.20, 0.00 };
|
| 465 |
Double_t blue[NRGBs] = { 0.51, 1.00, 0.12, 0.00, 0.00 };
|
| 466 |
TColor::CreateGradientColorTable(NRGBs, stops, red, green, blue, NCont);
|
| 467 |
gStyle->SetNumberContours(NCont);
|
| 468 |
|
| 469 |
}
|
| 470 |
|
| 471 |
|
| 472 |
//------------------------------------------------------------------
|
| 473 |
|
| 474 |
int PlotTool::saveCanvases(string type, string path) {
|
| 475 |
|
| 476 |
|
| 477 |
TSystemDirectory d("",path.c_str());
|
| 478 |
if(!d.GetListOfFiles()) return -1;
|
| 479 |
if(type.find(".") == string::npos) return -1;
|
| 480 |
|
| 481 |
int savedFiles =0;
|
| 482 |
|
| 483 |
TIter next(gROOT->GetListOfCanvases());
|
| 484 |
TCanvas* canv;
|
| 485 |
while ((canv=(TCanvas*)next())) {
|
| 486 |
|
| 487 |
string s = "";
|
| 488 |
s += path;
|
| 489 |
s += canv->GetName();
|
| 490 |
s += type;
|
| 491 |
|
| 492 |
canv->SaveAs(s.c_str());
|
| 493 |
++savedFiles;
|
| 494 |
|
| 495 |
}
|
| 496 |
|
| 497 |
return savedFiles;
|
| 498 |
|
| 499 |
}
|
| 500 |
//------------------------------------------------------------------
|
