--- UserCode/IPHCalignment2/analysis/Layout.cpp	2011/11/28 13:43:44	1.4
+++ UserCode/IPHCalignment2/analysis/Layout.cpp	2011/12/07 18:31:52	1.10
@@ -2,6 +2,8 @@
 #include <sstream>
 #include <TPaveText.h>
 #include <TLatex.h>
+#include <iostream>
+using namespace std;
 
 void Layout::DrawInit()
 {
@@ -17,7 +19,7 @@ void Layout::DrawInit()
   gStyle->SetFrameBorderMode(0);
   gStyle->SetFrameBorderSize(0);
   gStyle->SetFrameFillColor(0);
-  gStyle->SetOptStat(0);
+  //  gStyle->SetOptStat(0);
 
   gStyle->SetLabelOffset(0.005,"X");
   gStyle->SetLabelSize(0.03,"X");
@@ -75,8 +77,8 @@ void Layout::DrawInit()
 }
 
 
-void Layout::Draw(const std::vector<HistoBlock>& histos,
-                  const std::string& xlabel, float K, float MU, float SIG)
+void Layout::Draw(const std::string title, const std::vector<HistoBlock>& histos,
+                  const std::string& xlabel, bool fit, float K, float MU, float SIG)
 {
   std::cout << "----------------- Draw : " << histos[0].histo->GetName() << std::endl;
 
@@ -87,7 +89,6 @@ void Layout::Draw(const std::vector<Hist
   TCanvas* mycanvas = new TCanvas((std::string(histos[0].histo->GetName())+
                                   "_canvas").c_str(),
                                   histos[0].histo->GetTitle());
-
   // SetLineColor
   for (unsigned int i=0;i<histos.size();i++)
   {
@@ -109,7 +110,7 @@ void Layout::Draw(const std::vector<Hist
   float xmax = mystack->GetXaxis()->GetXmin();
 
   // Draw legend
-  TLegend* mylegend = new TLegend(0.17,0.85-(0.04*histos.size()),0.33,0.85);
+  TLegend* mylegend = new TLegend(0.55,0.90-(0.04*histos.size()),0.90,0.90);
   mylegend->SetFillColor(0);
   for (unsigned int i=0;i<histos.size();i++)
   {
@@ -118,39 +119,43 @@ void Layout::Draw(const std::vector<Hist
   }
   mylegend->Draw();
 
-  // To Fit
-  std::vector<double> sigmas;
-  std::vector<double> errors;
-  for (unsigned int i=0;i<histos.size();i++)
-  {
-    TF1* fitter = new TF1(dummy().c_str(),"gaus",xmin,xmax);
-    fitter->SetParameter(0,K);
-    fitter->SetParameter(1,MU);
-    fitter->SetParameter(2,SIG);
-    histos[i].histo->Fit(fitter,"0");
-    sigmas.push_back(fitter->GetParameter(2));
-    errors.push_back(fitter->GetParError(2));
-  }
 
-  // Display sigmas
-  TPaveText* myblock = new TPaveText(0.6,0.65-(0.04*histos.size()),0.80,0.65,"NDC");
-  myblock->SetBorderSize(0);
-  myblock->SetFillColor(0);
-  for (unsigned int i=0;i<sigmas.size();i++)
+  if (fit)
   {
-    std::stringstream str;
-    str << "#sigma_{RECO} = ";
-    str.precision(3); str << sigmas[i];
-    str << " #pm ";
-    str.precision(3); str << errors[i];
-    TText* mytext = myblock->AddText(str.str().c_str());
-    mytext->SetTextColor(histos[i].linecolor);
-    mytext->SetTextAlign(11);
+    // To Fit
+    std::vector<double> sigmas;
+    std::vector<double> errors;
+    for (unsigned int i=0;i<histos.size();i++)
+    {
+      TF1* fitter = new TF1(dummy().c_str(),"gaus",-900,900); //or xmin, xmax...
+      fitter->SetParameter(0,K);
+      fitter->SetParameter(1,MU);
+      fitter->SetParameter(2,SIG);
+      histos[i].histo->Fit(fitter,"0");
+      sigmas.push_back(fitter->GetParameter(2));
+      errors.push_back(fitter->GetParError(2));
+    }
+
+    // Display sigmas
+    TPaveText* myblock = new TPaveText(0.65,0.65-(0.04*histos.size()),0.90,0.65,"NDC");
+    myblock->SetBorderSize(0);
+    myblock->SetFillColor(0);
+    for (unsigned int i=0;i<sigmas.size();i++)
+    {
+      std::stringstream str;
+      str << "#sigma_{" << histos[i].shortName <<"} = ";
+      str.precision(2); str.setf(ios_base::scientific); str << sigmas[i];
+      str << " #pm ";
+      str.precision(1); str.setf(ios_base::scientific); str << errors[i];
+      TText* mytext = myblock->AddText(str.str().c_str());
+      mytext->SetTextColor(histos[i].linecolor);
+      mytext->SetTextAlign(11);
+    }
+    myblock->Draw();
   }
-  myblock->Draw();
 
   // Save
-  std::string filename = GetFileName(histos[0].histo->GetTitle());
+  std::string filename = GetFileName(title);
   mycanvas->SaveAs((filename+".gif").c_str());
   mycanvas->SaveAs((filename+".root").c_str());