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#include "TFile.h"
#include "TH1F.h"
#include "TH2F.h"
#include "TKey.h"
#include "TDirectory.h"
#include "TCanvas.h"
#include "TLegend.h"
#include "TObjArray.h"
#include "TObject.h"
#include "TClass.h"
#include <iostream>
#include <string>
#include "TPaveText.h"
#include <fstream> // std::ofstream
//*****************************************************//
Double_t getMaximum(TObjArray *array)
//*****************************************************//
{
Double_t theMaximum = (static_cast<TH1 *>(array->At(0)))->GetMaximum();
for (Int_t i = 0; i < array->GetSize(); i++) {
if ((static_cast<TH1 *>(array->At(i)))->GetMaximum() > theMaximum) {
theMaximum = (static_cast<TH1 *>(array->At(i)))->GetMaximum();
//cout<<"i= "<<i<<" theMaximum="<<theMaximum<<endl;
}
}
return theMaximum;
}
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
MAIN
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
*/
//*****************************************************//
void compareAll(TString file1, TString file2, TString leg1, TString leg2)
//*****************************************************//
{
TFile *f1 = TFile::Open(file1);
TFile *f2 = TFile::Open(file2);
f1->cd();
int i = 0;
int j = 0;
TCanvas dummyC;
dummyC.Print("diff.pdf[");
std::ofstream ofs("check.txt", std::ofstream::out);
TIter nextkey(gDirectory->GetListOfKeys());
while (TKey *key = (TKey *)nextkey()) {
//std::cout << "i: " << i << std::endl;
++i;
TObject *obj = key->ReadObj();
std::string name = obj->GetName();
std::cout << "name: " << name << std::endl;
if (name.find("Residuals") != string::npos) {
std::cout << "skipping:" << name << "folder" << std::endl;
continue;
}
if (obj->IsA()->InheritsFrom("TDirectory")) {
f1->cd((name).c_str());
TIter nextkey(gDirectory->GetListOfKeys());
while (key = (TKey *)nextkey()) {
obj = key->ReadObj();
if (obj->IsA()->InheritsFrom("TH1")) {
TH1 *h = (TH1 *)obj;
TString fullpath = name + "/" + h->GetName();
//std::cout << "j: " << j << " "<< h->GetName() <<" "<< fullpath << std::endl;
++j;
if (TString(h->GetName()).Contains("Charge_Vs_Index"))
continue;
TCanvas *c1 = new TCanvas(h->GetName(), h->GetName(), 800, 600);
c1->cd();
TPad *pad1;
if (obj->IsA()->InheritsFrom("TH2")) {
pad1 = new TPad("pad1", "pad1", 0, 0., 0.5, 1.0);
} else {
pad1 = new TPad("pad1", "pad1", 0, 0.3, 1, 1.0);
pad1->SetBottomMargin(0.01); // Upper and lower plot are joined
}
// pad1->SetGridx(); // Vertical grid
pad1->Draw(); // Draw the upper pad: pad1
pad1->cd(); // pad1 becomes the current pad
h->SetMarkerColor(kRed);
h->SetStats(kFALSE);
h->SetLineColor(kRed);
h->SetMarkerStyle(kOpenSquare);
h->GetXaxis()->SetLabelOffset(0.2);
h->GetYaxis()->SetTitleSize(0.05);
//h->GetYaxis()->SetTitleFont(43);
h->GetYaxis()->SetTitleOffset(0.8);
TH1 *h2 = (TH1 *)f2->Get(fullpath.Data());
h2->SetStats(kFALSE);
if (h2 == nullptr) {
std::cout << "WARNING!!!!!! " << fullpath << " does NOT exist in second file!!!!!" << std::endl;
continue;
}
h2->SetMarkerColor(kBlue);
h2->SetLineColor(kBlue);
h2->SetMarkerStyle(kOpenCircle);
h2->GetXaxis()->SetLabelOffset(0.2);
h2->GetYaxis()->SetTitleOffset(0.8);
TObjArray *arrayHistos = new TObjArray();
arrayHistos->Expand(2);
arrayHistos->Add(h);
arrayHistos->Add(h2);
if (!obj->IsA()->InheritsFrom("TH2")) {
Double_t theMaximum = getMaximum(arrayHistos);
h->GetYaxis()->SetRangeUser(0., theMaximum * 1.30);
h->Draw();
h2->Draw("same");
} else {
c1->cd();
pad1->cd();
h->SetMarkerSize(0.1);
h->Draw("colz");
TLegend *lego = new TLegend(0.12, 0.80, 0.29, 0.88);
lego->SetFillColor(10);
lego->SetTextSize(0.042);
lego->SetTextFont(42);
lego->SetFillColor(10);
lego->SetLineColor(10);
lego->SetShadowColor(10);
lego->AddEntry(h, leg1.Data());
lego->Draw();
c1->cd();
TPad *pad2 = new TPad("pad2", "pad2", 0.5, 0., 1.0, 1.0);
pad2->Draw();
pad2->cd();
h2->SetMarkerSize(0.1);
h2->Draw("colz");
TLegend *lego2 = new TLegend(0.12, 0.80, 0.29, 0.88);
lego2->SetFillColor(10);
lego2->SetTextSize(0.042);
lego2->SetTextFont(42);
lego2->SetFillColor(10);
lego2->SetLineColor(10);
lego2->SetShadowColor(10);
lego2->AddEntry(h2, leg2.Data());
lego2->Draw("same");
}
TString savename = fullpath.ReplaceAll("/", "_");
double ksProb = 0;
// lower plot will be in pad
if (!obj->IsA()->InheritsFrom("TH2")) {
TLegend *lego = new TLegend(0.12, 0.80, 0.29, 0.88);
lego->SetFillColor(10);
lego->SetTextSize(0.042);
lego->SetTextFont(42);
lego->SetFillColor(10);
lego->SetLineColor(10);
lego->SetShadowColor(10);
lego->AddEntry(h, leg1.Data());
lego->AddEntry(h2, leg2.Data());
lego->Draw("same");
c1->cd(); // Go back to the main canvas before defining pad2
TPad *pad2 = new TPad("pad2", "pad2", 0, 0.05, 1, 0.3);
pad2->SetTopMargin(0.01);
pad2->SetBottomMargin(0.35);
pad2->SetGridy(); // horizontal grid
pad2->Draw();
pad2->cd(); // pad2 becomes the current pad
// Define the ratio plot
TH1F *h3 = (TH1F *)h->Clone("h3");
h3->SetLineColor(kBlack);
h3->SetMarkerColor(kBlack);
h3->SetTitle("");
h3->SetMinimum(0.55); // Define Y ..
h3->SetMaximum(1.55); // .. range
h3->SetStats(0); // No statistics on lower plot
h3->Divide(h2);
h3->SetMarkerStyle(20);
h3->Draw("ep"); // Draw the ratio plot
// Y axis ratio plot settings
h3->GetYaxis()->SetTitle("ratio");
h3->GetYaxis()->SetNdivisions(505);
h3->GetYaxis()->SetTitleSize(20);
h3->GetYaxis()->SetTitleFont(43);
h3->GetYaxis()->SetTitleOffset(1.2);
h3->GetYaxis()->SetLabelFont(43); // Absolute font size in pixel (precision 3)
h3->GetYaxis()->SetLabelSize(15);
// X axis ratio plot settings
h3->GetXaxis()->SetTitleSize(20);
h3->GetXaxis()->SetTitleFont(43);
h3->GetXaxis()->SetTitleOffset(4.);
h3->GetXaxis()->SetLabelFont(43); // Absolute font size in pixel (precision 3)
h3->GetXaxis()->SetLabelSize(15);
h3->GetXaxis()->SetLabelOffset(0.02);
}
// avoid spurious false positive due to empty histogram
if (h->GetEntries() == 0 && h2->GetEntries() == 0) {
ofs << "histogram # " << j << ": " << fullpath << " |has zero entries in both files: " << std::endl;
delete c1;
delete h;
delete h2;
continue;
}
// avoid doing k-test on histograms with different binning
if (h->GetXaxis()->GetXmax() != h2->GetXaxis()->GetXmax() ||
h->GetXaxis()->GetXmin() != h2->GetXaxis()->GetXmin()) {
ofs << "histogram # " << j << ": " << fullpath << " |mismatched bins!!!!!!: " << std::endl;
delete c1;
delete h;
delete h2;
continue;
}
ksProb = h->KolmogorovTest(h2);
//if(ksProb!=1.){
//c1->SaveAs(savename+".pdf");
TPaveText ksPt(0, 0.02, 0.35, 0.043, "NDC");
ksPt.SetBorderSize(0);
ksPt.SetFillColor(0);
ksPt.AddText(Form("P(KS)=%g, ered %g eblue %g", ksProb, h->GetEntries(), h2->GetEntries()));
if (!obj->IsA()->InheritsFrom("TH2")) {
ksPt.SetTextSize(0.1);
ksPt.Draw();
} else {
ksPt.SetTextSize(0.03);
ksPt.Draw();
}
c1->Print("diff.pdf");
std::cout << "histogram # " << j << ": " << fullpath << " |kolmogorov: " << ksProb << std::endl;
ofs << "histogram # " << j << ": " << fullpath << " |kolmogorov: " << ksProb << std::endl;
// }
delete c1;
delete h;
delete h2;
}
}
} else if (obj->IsA()->InheritsFrom("TH1")) {
obj = key->ReadObj();
TH1 *h = (TH1 *)obj;
TString fullpath = (TString)h->GetName();
//std::cout << "j: " << j << " "<< h->GetName() <<" "<< fullpath << std::endl;
++j;
if (obj->IsA()->InheritsFrom("TH2"))
continue;
TCanvas *c1 = new TCanvas(h->GetName(), h->GetName(), 800, 600);
c1->cd();
TPad *pad1 = new TPad("pad1", "pad1", 0, 0.3, 1, 1.0);
pad1->SetBottomMargin(0.01); // Upper and lower plot are joined
// pad1->SetGridx(); // Vertical grid
pad1->Draw(); // Draw the upper pad: pad1
pad1->cd(); // pad1 becomes the current pad
h->SetMarkerColor(kRed);
h->SetStats(kFALSE);
h->SetLineColor(kRed);
h->SetMarkerStyle(kOpenSquare);
h->GetXaxis()->SetLabelOffset(0.2);
h->GetYaxis()->SetTitleSize(0.05);
//h->GetYaxis()->SetTitleFont(43);
h->GetYaxis()->SetTitleOffset(0.8);
TH1 *h2 = (TH1 *)f2->Get(fullpath.Data());
h2->SetStats(kFALSE);
if (h2 == nullptr) {
std::cout << "WARNING!!!!!! " << fullpath << " does NOT exist in second file!!!!!" << std::endl;
continue;
}
h2->SetMarkerColor(kBlue);
h2->SetLineColor(kBlue);
h2->SetMarkerStyle(kOpenCircle);
h2->GetXaxis()->SetLabelOffset(0.2);
h2->GetYaxis()->SetTitleOffset(0.8);
TObjArray *arrayHistos = new TObjArray();
arrayHistos->Expand(2);
arrayHistos->Add(h);
arrayHistos->Add(h2);
Double_t theMaximum = getMaximum(arrayHistos);
h->GetYaxis()->SetRangeUser(0., theMaximum * 1.30);
h->Draw();
h2->Draw("same");
TString savename = fullpath.ReplaceAll("/", "_");
double ksProb = 0;
TLegend *lego = new TLegend(0.12, 0.80, 0.29, 0.88);
lego->SetFillColor(10);
lego->SetTextSize(0.042);
lego->SetTextFont(42);
lego->SetFillColor(10);
lego->SetLineColor(10);
lego->SetShadowColor(10);
lego->AddEntry(h, leg1.Data());
lego->AddEntry(h2, leg2.Data());
lego->Draw("same");
// lower plot will be in pad
c1->cd(); // Go back to the main canvas before defining pad2
TPad *pad2 = new TPad("pad2", "pad2", 0, 0.05, 1, 0.3);
pad2->SetTopMargin(0.01);
pad2->SetBottomMargin(0.35);
pad2->SetGridy(); // horizontal grid
pad2->Draw();
pad2->cd(); // pad2 becomes the current pad
// Define the ratio plot
TH1F *h3 = (TH1F *)h->Clone("h3");
h3->SetLineColor(kBlack);
h3->SetMarkerColor(kBlack);
h3->SetTitle("");
h3->SetMinimum(0.55); // Define Y ..
h3->SetMaximum(1.55); // .. range
h3->SetStats(0); // No statistics on lower plot
h3->Divide(h2);
h3->SetMarkerStyle(20);
h3->Draw("ep"); // Draw the ratio plot
// Y axis ratio plot settings
h3->GetYaxis()->SetTitle("ratio");
h3->GetYaxis()->SetNdivisions(505);
h3->GetYaxis()->SetTitleSize(20);
h3->GetYaxis()->SetTitleFont(43);
h3->GetYaxis()->SetTitleOffset(1.2);
h3->GetYaxis()->SetLabelFont(43); // Absolute font size in pixel (precision 3)
h3->GetYaxis()->SetLabelSize(15);
// X axis ratio plot settings
h3->GetXaxis()->SetTitleSize(20);
h3->GetXaxis()->SetTitleFont(43);
h3->GetXaxis()->SetTitleOffset(4.);
h3->GetXaxis()->SetLabelFont(43); // Absolute font size in pixel (precision 3)
h3->GetXaxis()->SetLabelSize(15);
h3->GetXaxis()->SetLabelOffset(0.02);
// avoid spurious false positive due to empty histogram
if (h->GetEntries() == 0 && h2->GetEntries() == 0) {
ofs << "histogram # " << j << ": " << fullpath << " |has zero entries in both files: " << std::endl;
delete c1;
delete h;
delete h2;
continue;
}
// avoid doing k-test on histograms with different binning
if (h->GetXaxis()->GetXmax() != h2->GetXaxis()->GetXmax() ||
h->GetXaxis()->GetXmin() != h2->GetXaxis()->GetXmin()) {
ofs << "histogram # " << j << ": " << fullpath << " |mismatched bins!!!!!!: " << std::endl;
delete c1;
delete h;
delete h2;
continue;
}
ksProb = h->KolmogorovTest(h2);
//if(ksProb!=1.){
//c1->SaveAs(savename+".pdf");
TPaveText ksPt(0, 0.02, 0.35, 0.043, "NDC");
ksPt.SetBorderSize(0);
ksPt.SetFillColor(0);
ksPt.AddText(Form("P(KS)=%g, ered %g eblue %g", ksProb, h->GetEntries(), h2->GetEntries()));
ksPt.SetTextSize(0.1);
ksPt.Draw();
c1->Print("diff.pdf");
std::cout << "histogram # " << j << ": " << fullpath << " |kolmogorov: " << ksProb << std::endl;
ofs << "histogram # " << j << ": " << fullpath << " |kolmogorov: " << ksProb << std::endl;
// }
delete c1;
delete h;
delete h2;
}
} //while
f1->Close();
f2->Close();
dummyC.Print("diff.pdf]");
ofs.close();
}
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