diff --git a/readRawTrace.C b/readRawTrace.C
index 7ce8572..a6b911c 100644
--- a/readRawTrace.C
+++ b/readRawTrace.C
@@ -10,6 +10,7 @@
 #include <TF1.h>
 #include <TLatex.h>
 #include <TLine.h>
+#include <TBox.h>
 #include <iostream>
 
 void readRawTrace(TString fileName, int minDetID = 0, int maxDetID = 1000){
@@ -41,15 +42,17 @@ void readRawTrace(TString fileName, int minDetID = 0, int maxDetID = 1000){
    UShort_t trace[1024];
    UShort_t  traceLength;
    Int_t      QDC[8];
+   ULong64_t  time;
    tree->SetBranchAddress("detID", &detID);
    tree->SetBranchAddress("trace", trace);
    tree->SetBranchAddress("trace_length", &traceLength);
    tree->SetBranchAddress("qdc", QDC); 
+   tree->SetBranchAddress("e_t", &time); 
    
    TLatex text ;
    text.SetNDC();
    text.SetTextFont(62);
-   text.SetTextSize(0.06);
+   text.SetTextSize(0.05);
    text.SetTextColor(2);
    
    bool breakFlag = false;  
@@ -57,6 +60,11 @@ void readRawTrace(TString fileName, int minDetID = 0, int maxDetID = 1000){
    int oldEv  = 0;
 
    TGraph * g = new TGraph();
+
+   int QDCsum[8] = {0}; ///directly sum from trace
+   double x[9] = {0, 31, 60, 75, 95, 105, 160, 175, 200};
+   Color_t color[8] = {4, kGreen+2, 4, kGreen+2, 4, kGreen+2, 4, kGreen+2};
+
    
    for( int ev = 0; ev < totnumEntry; ev++){
       
@@ -66,25 +74,41 @@ void readRawTrace(TString fileName, int minDetID = 0, int maxDetID = 1000){
       }
       tree->GetEntry(ev);
       
-
       if( !(minDetID <=  detID &&  detID <= maxDetID ) ) continue;
 
       printf("-------------------------------- ev : %d \n", ev);
 
-      printf("id : %d, trace Length : %u ( enter = next , q = stop, w = last)\n", detID, traceLength);
+      printf("id : %d, trace Length : %u, time: %16llu ( enter = next , q = stop, w = last)\n", detID, traceLength, time);
       
       g->Clear();
-      g->Set(traceLength);  
-      for( int k = 0; k < traceLength ; k++) g->SetPoint(k, k, trace[k]);
+      g->Set(traceLength);
+
+      int minY = 9999, maxY = 0;
+      for( int i = 0 ; i < 8; i++) QDCsum[i] = 0;
       
-      g->SetTitle(Form("ev: %d, id : %d, trace Length : %u\n", ev, detID, traceLength));
+      for( int k = 0; k < traceLength ; k++) {
+         g->SetPoint(k, k, trace[k]);
+         for( int i = 0; i < 8; i++) if( x[i] <= k && k < x[i+1] ) QDCsum[i] += trace[k];
+         if( trace[k] > maxY ) maxY = trace[k];
+         if( trace[k] < minY ) minY = trace[k];
+      }
+      
+      g->SetTitle(Form("ev: %d, id : %d, trace Length : %u, time: %16llu\n", ev, detID, traceLength, time));
       
       cRead->cd(1);
       cRead->Clear();
       g->Draw("AL");
-      
-      for( int i = 0; i < 8; i++) text.DrawLatex(0.2, 0.8-0.05*i,  Form("%d", QDC[i]));
-      
+
+      text.SetTextColor(kRed);
+      text.DrawLatex(0.12, 0.85,  Form("QDC, QDCtrace (diff)"));
+      for( int i = 0; i < 8; i++) {
+         text.SetTextColor(color[i]);
+         text.DrawLatex(0.12, 0.8-0.05*i,  Form("%d, %d (%+-d)", QDC[i], QDCsum[i], QDC[i]-QDCsum[i]));
+
+         TBox * box = new TBox(x[i], minY, x[i+1], maxY);
+         box->SetFillColorAlpha(color[i], 0.1);
+         box->Draw("same");
+      }  
       cRead->Update();         
       gSystem->ProcessEvents();