From bf0fbd43dac58f3109a164152511e66928ddcc8f Mon Sep 17 00:00:00 2001
From: Dmitri Smirnov <dmixsmi@gmail.com>
Date: Mon, 20 Mar 2023 14:10:07 -0400
Subject: [PATCH] Update makers to pull DEP from TriggerData and store in
 StEpdHit

---
 StRoot/StEpdHitMaker/StEpdHitMaker.cxx   | 40 +++++++++++++++++++++++-
 StRoot/StEpdHitMaker/StEpdHitMaker.h     |  8 +++++
 StRoot/StPicoDstMaker/StPicoDstMaker.cxx |  2 +-
 3 files changed, 48 insertions(+), 2 deletions(-)

diff --git a/StRoot/StEpdHitMaker/StEpdHitMaker.cxx b/StRoot/StEpdHitMaker/StEpdHitMaker.cxx
index c17a34d4d86..01dad6888c9 100644
--- a/StRoot/StEpdHitMaker/StEpdHitMaker.cxx
+++ b/StRoot/StEpdHitMaker/StEpdHitMaker.cxx
@@ -12,6 +12,10 @@
   If it is not there, it creates one and fills it from the
   StTriggerData object and info from the StEpdDbMaker (database)
 
+
+  Update March 2023 - Mike Lisa
+  Updated to pull DEP information from the TriggerData and store in the newly-updated StEpdHit object
+
 */
 
 #include "StEpdHitMaker.h"
@@ -198,6 +202,10 @@ void StEpdHitMaker::FillStEpdData(){
 
 	    int truthId=0;  // this is for simulation
 
+	    // March 2023 - now add DEP information
+	    unsigned short rawDEP;
+	    float calibratedDEP;
+	    getEpdDepInfo(ew, PP, TT, rawDEP, calibratedDEP);
 
 	    // EpdOfs2 << ew << "\t" << PP << "\t" << TT << "\t" 
 	    // 	  << mEpdDbMaker->GetCrateAdc(ew,PP,TT) << "\t"
@@ -208,9 +216,19 @@ void StEpdHitMaker::FillStEpdData(){
 	    // 	  << mEpdDbMaker->GetChannelTac(ew,PP,TT) << "\t"
 	    // 	  << ADC << "\t" << nMIP << endl;
 
-	    StEpdHit* hit = new StEpdHit(PP,TT,EWforHit,ADC,TAC,TDC,HasTac,nMIP,isGood,truthId);
+	    StEpdHit* hit = new StEpdHit(PP, TT, EWforHit, ADC, TAC, TDC, HasTac, nMIP, isGood, truthId, rawDEP, calibratedDEP);
 	    mEpdCollection->addHit(hit);
 	    nHitsAdded++;
+	  }  // if ADC>0
+	  else { // even if there is no ADC from the QT, there might still be info from the DEP - March 2023
+	    unsigned short rawDEP;
+	    float calibratedDEP;
+	    getEpdDepInfo(ew, PP, TT, rawDEP, calibratedDEP);
+	    if (rawDEP > 0) {
+	      StEpdHit* hit = new StEpdHit((int)PP, (int)TT, EWforHit, 0, 0, 0, false, 0, true, 0, rawDEP, calibratedDEP);
+	      mEpdCollection->addHit(hit);
+	      nHitsAdded++;
+	    }
 	  }
 	}
       }
@@ -223,3 +241,23 @@ void StEpdHitMaker::FillStEpdData(){
   LOG_INFO << "StEpdHitMaker::FillStEpdData - added " << nHitsAdded << " to StEpdHitCollection" << endm;
 }
 
+
+// March 2023 - get DEP data
+void StEpdHitMaker::getEpdDepInfo(short ew, short pp, short tt, unsigned short& rawDEP, float& calibratedDEP){
+  if (ew == 0) { rawDEP = 0; calibratedDEP = 0.; return;}  // only DEP on the west side
+
+  // -------------------------- March 2023 ---------------------------------
+  // Here is where I must fill in the code to
+  // 1) Get the raw DEP waveform from the TriggerData
+  // 2) Sum up the appropriate time buckets (this is DEPdata)
+  // 3) Get the gain constant from the database (which needs to exist!!!)
+  // 4) mnMIP_DEP = DEPdata / gain
+  // 5) put mnMIP_DEP and rawDEPdata into the StEpdHit
+  //
+  // 6) might want to impose a "zero suppression threshold" here, too
+
+  // right now I just return zero
+  rawDEP = 0;
+  calibratedDEP = 0.0;
+  return;
+}
diff --git a/StRoot/StEpdHitMaker/StEpdHitMaker.h b/StRoot/StEpdHitMaker/StEpdHitMaker.h
index 5a0c6ceefc9..b6139b45a3f 100644
--- a/StRoot/StEpdHitMaker/StEpdHitMaker.h
+++ b/StRoot/StEpdHitMaker/StEpdHitMaker.h
@@ -13,6 +13,10 @@
   If it is not there, it creates one and fills it from the
   StTriggerData object and info from the StEpdDbMaker (database)
 
+
+  Update March 2023 - Mike Lisa
+  now must read in DEP data and store it in the newly-updated StEpdHit objects
+
 */
 
 
@@ -51,6 +55,10 @@ class StEpdHitMaker : public StMaker {
   /// Returns a pointer to the StEvent object
   StEvent* GetStEvent(){return mStEvent;}
 
+  /// update March 2023 Mike Lisa - method to get and calibrate DEP information
+  /// This does not NEED to be public, but no harm and may be useful for debugging
+  void getEpdDepInfo(short ew, short pp, short tt, unsigned short& rawDEP, float& calibratedDEP);
+
   virtual const char *GetCVS() const
   {static const char cvs[]="Tag " __DATE__ " " __TIME__ ; return cvs;}
 
diff --git a/StRoot/StPicoDstMaker/StPicoDstMaker.cxx b/StRoot/StPicoDstMaker/StPicoDstMaker.cxx
index 8cbded354f4..0ce3129ce29 100644
--- a/StRoot/StPicoDstMaker/StPicoDstMaker.cxx
+++ b/StRoot/StPicoDstMaker/StPicoDstMaker.cxx
@@ -2361,7 +2361,7 @@ void StPicoDstMaker::fillEpdHits() {
     StMuEpdHit* aHit = mMuDst->epdHit(i);
     if (!aHit) continue;
     int counter = mPicoArrays[StPicoArrays::EpdHit]->GetEntries();
-    new((*(mPicoArrays[StPicoArrays::EpdHit]))[counter]) StPicoEpdHit(aHit->id(), aHit->qtData(), aHit->nMIP());
+    new((*(mPicoArrays[StPicoArrays::EpdHit]))[counter]) StPicoEpdHit(aHit->id(), aHit->qtData(), aHit->nMIP_QT(), aHit->depData(), aHit->nMIP_DEP()); // added DEP info - March 2023 - mike lisa
   } //for (unsigned int i=0; i < mMuDst->numberOfEpdHit(); i++)
 }