#include <string.h>
#include <cstring>
#include "TChain.h"
#include "TFile.h"
#include "TH1.h"
#include "TTree.h"
#include "TKey.h"
#include "Riostream.h"
#include <vector>
#include <sstream>
#include "TCanvas.h"
#include "TLegend.h"
#include "TROOT.h"
#include "TPaveStats.h"
#include "TObjArray.h"
#include "TObjString.h"
#include "TStyle.h"
#include "TEnv.h"

Functions
void	ColourStatsBoxes (TObjArray *hists)

void	compareAlignments (TString namesandlabels="readFromFile")

void	MergeRootfile (TDirectory target, TList sourcelist, TList *labellist)

void	nicePad (Int_t logx, Int_t logy)

void	SetMinMaxRange (TObjArray *hists)

Variables
TList *	FileList

TList *	LabelList

std::vector< std::string >	lowestlevels

TFile *	Target

std::vector< int >	theColors

std::vector< int >	theStyles

Function Documentation

void ColourStatsBoxes ( TObjArray * hists )

Definition at line 291 of file compareAlignments.cc.

References h.

Referenced by MergeRootfile().

 {
 
   Double_t fStatsX1 = 0.85, fStatsX2 = 1., fStatsY1 = 0.85, fStatsY2 = 1.;
   // colours stats boxes like hists' line colors and moves the next to each other
   if (!hists) return;
   Double_t x1 = fStatsX1, x2 = fStatsX2, y1 = fStatsY1, y2 = fStatsY2;
   for (Int_t iH = 0; iH < hists->GetEntries(); ++iH) {
     TH1 *h = static_cast<TH1*>(hists->At(iH));
     if (!h) continue;
     TObject *statObj = h->GetListOfFunctions()->FindObject("stats");
     if (statObj && statObj->InheritsFrom(TPaveStats::Class())) {
       TPaveStats *stats = static_cast<TPaveStats*>(statObj);
       stats->SetLineColor(static_cast<TH1*>(hists->At(iH))->GetLineColor());
       stats->SetTextColor(static_cast<TH1*>(hists->At(iH))->GetLineColor());
       stats->SetFillColor(10);
       stats->SetX1NDC(x1);
       stats->SetX2NDC(x2);
       stats->SetY1NDC(y1);
       stats->SetY2NDC(y2);
       y2 = y1 - 0.005; // shift down 2
       y1 = y2 - (fStatsY2 - fStatsY1); // shift down 1
       if (y1 < 0.) {
     y1 = fStatsY1; y2 = fStatsY2; // restart y-positions
     x2 = x1 - 0.005; // shift left 2
     x1 = x2 - (fStatsX2 - fStatsX1); // shift left 1
     if (x1 < 0.) { // give up, start again:
       x1 = fStatsX1, x2 = fStatsX2, y1 = fStatsY1, y2 = fStatsY2;
     }
       }
       //} else if (gStyle->GetOptStat() != 0) { // failure in case changed in list via TExec....
       //this->Warning("ColourStatsBoxes", "No stats found for %s", hists->At(iH)->GetName());
     }
   }
 }

void compareAlignments ( TString namesandlabels = "readFromFile" )

Definition at line 34 of file compareAlignments.cc.

References gather_cfg::cout, FileList, i, LabelList, lowestlevels, MergeRootfile(), NULL, Target, theColors, and theStyles.

 {
   cout << "Comparing using: >"<<namesandlabels<<"<"<<endl;
 
   gStyle->SetOptStat(111110);
   gStyle->SetTitleFillColor(10);
   gStyle->SetTitleBorderSize(0);
 
   Target = TFile::Open( "result.root", "RECREATE" );
   FileList = new TList();
   LabelList = new TList();
   
   int formatCounter = 1;
   //TObjArray* stringarray = namesandlabels.Tokenize(",");  
   TObjArray *nameandlabelpairs = namesandlabels.Tokenize(",");
   for (Int_t i = 0; i < nameandlabelpairs->GetEntries(); ++i) {
     TObjArray *aFileLegPair = TString(nameandlabelpairs->At(i)->GetName()).Tokenize("=");
     
     if(aFileLegPair->GetEntries() == 2) {
       TFile* currentFile = TFile::Open(aFileLegPair->At(0)->GetName());
       if( currentFile != NULL && !currentFile->IsZombie() ){
     FileList->Add( currentFile  );  // 2
     if(TString(aFileLegPair->At(1)->GetName()).Contains("|")){
       TObjArray* formatedLegendEntry = TString(aFileLegPair->At(1)->GetName()).Tokenize("|");
       LabelList->Add( formatedLegendEntry->At(0) );
       if(formatedLegendEntry->GetEntries() > 1){
         theColors.push_back(atoi(formatedLegendEntry->At(1)->GetName()));
         
         if(formatedLegendEntry->GetEntries() > 2)
           theStyles.push_back(atoi(formatedLegendEntry->At(2)->GetName()));
         else 
           theStyles.push_back( formatCounter );
       }else{
       std::cout <<"if you give a \"|\" in the legend name you will need to at least give a int for the color"<<std::endl;
       }
       formatCounter++;
     }else{
       LabelList->Add( aFileLegPair->At(1) );
       theColors.push_back(formatCounter);
       theStyles.push_back(formatCounter);
       formatCounter++;
     }
       }else{
     std::cout << "Could not open: "<<aFileLegPair->At(0)->GetName()<<std::endl;
       }
     }
     else {
       std::cout << "Please give file name and legend entry in the following form:\n" 
         << " filename1=legendentry1,filename2=legendentry2[|color[|style]]"<<std::endl;
 
     }
     
   }
 
   // ************************************************************
   // List of Files
   //FileList->Add( TFile::Open("../test/AlignmentValidation_Elliptical.root") ); 
   //FileList->Add( TFile::Open("../test/AlignmentValidation_10pb.root")  );  // 2
   //FileList->Add( TFile::Open("../test/AlignmentValidation_custom.root")  );  // 2
   // ************************************************************
 
   // put here the lowest level up to which you want to combine the 
   // histogramms
   lowestlevels.push_back("TPBLadder");
   lowestlevels.push_back("TPEPanel");
   lowestlevels.push_back("TIBHalfShell");
   lowestlevels.push_back("TIDRing");
   lowestlevels.push_back("TOBRod");
   lowestlevels.push_back("TECSide");
 //  lowestlevels.push_back("Det");
   
   
   
    MergeRootfile( Target, FileList, LabelList );
 
 }

void MergeRootfile	(	TDirectory *	target,
		TList *	sourcelist,
		TList *	labellist
	)

Definition at line 111 of file compareAlignments.cc.

References trackerHits::c, dtNoiseDBValidation_cfg::cerr, ColourStatsBoxes(), gather_cfg::cout, combine::key, create_public_lumi_plots::leg, lowestlevels, nicePad(), NULL, getGTfromDQMFile::obj, getHLTPrescaleColumns::path, lumiQueryAPI::q, SetMinMaxRange(), ntuplemaker::status, AlCaHLTBitMon_QueryRunRegistry::string, theColors, and theStyles.

Referenced by compareAlignments().

                                                                               {
 
   if( sourcelist->GetSize() == 0){
     std::cout<< "Cowardly refuse to merge empty SourceList! " <<std::endl;
     return;
   }
 
   TString path( (char*)strstr( target->GetPath(), ":" ) );
   path.Remove( 0, 2 );
 
   TFile *first_source = (TFile*)sourcelist->First();
   TObjString *first_label = (TObjString*)labellist->First();
 
   first_source->cd( path );
   TDirectory *current_sourcedir = gDirectory;
   //gain time, do not add the objects in the list in memory
   Bool_t status = TH1::AddDirectoryStatus();
   TH1::AddDirectory(kFALSE);
 
   // loop over all keys in this directory
 
   TIter nextkey( current_sourcedir->GetListOfKeys() );
   TKey *key, *oldkey=0;
   while ( (key = (TKey*)nextkey())) {
 
     //keep only the highest cycle number for each key
     if (oldkey && !strcmp(oldkey->GetName(),key->GetName())) continue;
 
     // read object from first source file
     first_source->cd( path );
     TObject *obj = key->ReadObj();
 
     if ( obj->IsA()->InheritsFrom( TH1::Class() ) ) {
       // descendant of TH1 -> merge it
       TCanvas c(obj->GetName(),obj->GetName(),500,500);
       c.SetFillColor(10);
       
       bool is2d = false;
       if(strstr(obj->ClassName() ,"TH2") != NULL )
     is2d = true;
       TH1 *h1 = static_cast<TH1*>(obj);
 
       int q = 1; 
       TObjArray *histarray = new TObjArray;
       
       h1->SetLineStyle(theStyles.at(q-1));
       h1->SetLineWidth(2);
    
       h1->SetLineColor(theColors.at(q-1));
       h1->GetYaxis()->SetTitleOffset(1.5);
       if(strstr(h1->GetName(),"summary") != NULL )
     h1->Draw("x0e1*H");
       else if(is2d)
     h1->Draw();
       else 
     h1->Draw();
 
       TLegend leg(0.2,0.85,0.775,0.93);
       leg.AddEntry(h1,first_label->String().Data(),"L");
       leg.SetBorderSize(0);
       leg.SetFillColor(10);
       // loop over all source files and add the content of the
       // correspondant histogram to the one pointed to by "h1"
       TFile *nextsource = (TFile*)sourcelist->After( first_source );
       TObjString *nextlabel = (TObjString*)labellist->After( labellist->First() );
       
       histarray->Add(h1);
       while ( nextsource ) {
 
         // make sure we are at the correct directory level by cd'ing to path
     
         nextsource->cd( path );
         TKey *key2 = (TKey*)gDirectory->GetListOfKeys()->FindObject(h1->GetName());
         if (key2) {
       ++q;
       TH1 *h2 = (TH1*)key2->ReadObj();    
 
       if(!is2d){
         h2->SetLineStyle(theStyles.at(q-1));
         h2->SetLineWidth(2);
       }
 
       h2->SetLineColor(theColors.at(q-1));
       std::stringstream newname;
       newname << h2->GetName() << q;
       
       h2->SetName(newname.str().c_str());
       if(strstr(newname.str().c_str(),"summary") != NULL )      
         h2->DrawClone("x0*He1sames");
       else if(is2d) 
         h2->DrawClone("sames");
       else
         h2->DrawClone("sames");
       leg.AddEntry(c.FindObject(h2->GetName()),nextlabel->String().Data(),"L");
       histarray->Add(c.FindObject(h2->GetName()));
       delete h2;      
         } else {
       std::cerr << "Histogram "<< key2->GetTitle() << " is not present in file " << nextsource->GetName() << std::endl;
     }
     
         nextsource = (TFile*)sourcelist->After( nextsource );
     nextlabel = (TObjString*)labellist->After(nextlabel);
       }
       nicePad(0,0);
       leg.Draw();
       c.Update();
       if(strstr(h1->GetName(),"summary") == NULL )
     SetMinMaxRange(histarray);
       ColourStatsBoxes(histarray);
       target->cd();
       c.Write();
       histarray->Delete();
       
 
       
 
     } else if ( obj->IsA()->InheritsFrom( TDirectory::Class() ) ) {
       // it's a subdirectory
 
       std::string dirname = obj->GetName();
       for( std::vector< std::string >::const_iterator lowlevelit = lowestlevels.begin(), 
          lowlevelitend = lowestlevels.end(); lowlevelit != lowlevelitend; ++lowlevelit) 
     if(   dirname.find(*lowlevelit) != std::string::npos ) 
       return;
       
       // create a new subdir of same name and title in the target file
       target->cd();
       TDirectory *newdir = target->mkdir( obj->GetName(), obj->GetTitle() );
       
       // newdir is now the starting point of another round of merging
       // newdir still knows its depth within the target file via
       // GetPath(), so we can still figure out where we are in the recursion
       MergeRootfile( newdir, sourcelist, labellist );
       
 
     } else {
 
       // object is of no type that we know or can handle
       cout << "Unknown object type, name: "
            << obj->GetName() << " title: " << obj->GetTitle() << endl;
     }
 
 
   } // while ( ( TKey *key = (TKey*)nextkey() ) )
 
   // save modifications to target file
   target->SaveSelf(kTRUE);
   TH1::AddDirectory(status);
 }

void nicePad	(	Int_t	logx,
		Int_t	logy
	)

Definition at line 264 of file compareAlignments.cc.

Referenced by MergeRootfile().

 {
     gPad->SetBottomMargin(0.10);
     gPad->SetRightMargin(0.1);
     gPad->SetLeftMargin(0.15);
     gPad->SetTopMargin(0.15);
     gPad->SetTickx(1);
     gPad->SetTicky(1);
     if(logy==1)
       {
         gPad->SetLogy();
       }
     else
       {
         gPad->SetLogy(0);
       }
     if(logx==1)
       {
         gPad->SetLogx();
       }
     else
       {
         gPad->SetLogx(0);
       }
 }

void SetMinMaxRange ( TObjArray * hists )

Definition at line 328 of file compareAlignments.cc.

References h, i, max(), and bookConverter::min.

Referenced by MergeRootfile().

 {
   Double_t min = 100000;
   Double_t max = -100000;
    for (Int_t iH = 0; iH < hists->GetEntries(); ++iH) {
      TH1 *h = static_cast<TH1*>(hists->At(iH));
      if (!h) continue;
      for(int i = 1; i <= h->GetNbinsX(); ++i) {
        if(h->GetBinContent(i) + h->GetBinError(i) > max ) max = h->GetBinContent(i) + h->GetBinError(i);
        if(h->GetBinContent(i) - h->GetBinError(i) < min ) min = h->GetBinContent(i) - h->GetBinError(i);
      }
    }
 
    TH1 *h_first = static_cast<TH1*>(hists->At(0));
    h_first->SetMaximum(max+max*0.1);
    if(min = 0.) {
      min = -1111;
      h_first->SetMinimum(min);
    } else {
      h_first->SetMinimum(min-min*0.1);
    }
 }