BmnDchRaw2Digit.cxx

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#include "BmnDchRaw2Digit.h"
 
#include "FairLogger.h"
 
BmnDchRaw2Digit::BmnDchRaw2Digit(Int_t period, Int_t run)
{
    ReadMapFromDB(period, run);
    // ReadMapFromFile(period);
}
 
BmnStatus BmnDchRaw2Digit::ReadMapFromDB(Int_t period, Int_t run)
{
    if (!fMap1.empty()) {
        for (size_t i = 0; i < fMap1.size(); i++)
            delete fMap1[i];
        fMap1.clear();
    }
    if (!fMap2.empty()) {
        for (size_t i = 0; i < fMap2.size(); i++)
            delete fMap2[i];
        fMap2.clear();
    }
 
    LOG(info) << "Loading the DCH Map from DB: Period " << period << ", Run " << run << "...";
 
    UniDetectorParameter* pDetectorParameter1 =
        UniDetectorParameter::GetDetectorParameter("DCH1", "DCH_mapping", period, run);
    if (pDetectorParameter1 != NULL)
        pDetectorParameter1->GetValue(fMap1);
    UniDetectorParameter* pDetectorParameter2 =
        UniDetectorParameter::GetDetectorParameter("DCH2", "DCH_mapping", period, run);
    if (pDetectorParameter2 != NULL)
        pDetectorParameter2->GetValue(fMap2);
    delete pDetectorParameter1;
    delete pDetectorParameter2;
 
    return kBMNSUCCESS;
}
 
BmnStatus BmnDchRaw2Digit::ReadMapFromFile(Int_t period)
{
    //    TString fileName = Form("DCH_map_Run%d.txt", period);
    TString fileName = Form("DCH_map_Run%d.txt", period);
    TString path = TString(getenv("VMCWORKDIR")) + "/input/" + fileName;
 
    TString dummy;
    UInt_t ser = 0;
    Int_t ch_l = 0;
    Int_t ch_h = 0;
    Int_t slot = 0;
    Int_t group = 0;
    TString name;
 
    TString planes[16];
    planes[0] = "VA_1";
    planes[1] = "VB_1";
    planes[2] = "UA_1";
    planes[3] = "UB_1";
    planes[4] = "YA_1";
    planes[5] = "YB_1";
    planes[6] = "XA_1";
    planes[7] = "XB_1";
    planes[8] = "VA_2";
    planes[9] = "VB_2";
    planes[10] = "UA_2";
    planes[11] = "UB_2";
    planes[12] = "YA_2";
    planes[13] = "YB_2";
    planes[14] = "XA_2";
    planes[15] = "XB_2";
 
    ifstream inFile(path.Data());
    if (!inFile.is_open())
        cout << "Error opening map-file (" << path << ")!" << endl;
    inFile >> dummy >> dummy >> dummy >> dummy >> dummy >> dummy;
    inFile >> dummy;
    while (inFile >> name >> group >> std::hex >> ser >> std::dec >> slot >> ch_l >> ch_h) {
        for (Int_t planeId = 0; planeId < 16; ++planeId) {
            if (name != planes[planeId])
                continue;
 
            // printf("%s\t%d\t%d\t0x%x\t%d\t%d\t%d\n", name.Data(), planeId, group, ser, slot, ch_l, ch_h);
 
            if (planeId / 8 == 0) {
                DchMapValue* pCurValue = new DchMapValue;
                pCurValue->plane = planeId;
                pCurValue->group = group;
                pCurValue->crate = ser;
                pCurValue->slot = slot;
                pCurValue->channel_low = ch_l;
                pCurValue->channel_high = ch_h;
                fMap1.push_back(pCurValue);
            } else {
                DchMapValue* pCurValue = new DchMapValue;
                pCurValue->plane = planeId;
                pCurValue->group = group;
                pCurValue->crate = ser;
                pCurValue->slot = slot;
                pCurValue->channel_low = ch_l;
                pCurValue->channel_high = ch_h;
                fMap2.push_back(pCurValue);
            }
        }
    }
 
    return kBMNSUCCESS;
}
 
void BmnDchRaw2Digit::FillEvent(TClonesArray* tdc, unordered_map<UInt_t, Long64_t>* ts, TClonesArray* dch, Double_t t0)
{
 
    for (Int_t i = 0; i < tdc->GetEntriesFast(); i++) {
        BmnTDCDigit* digit = (BmnTDCDigit*)tdc->At(i);
        if (digit->GetType() != DCH_TDC_TYPE)
            continue;
        auto it = ts->find(digit->GetSerial());
        Long64_t timeShift = (it != ts->end()) ? it->second : 0;
        if (FindInMap(digit, dch, timeShift, t0, 1) == kBMNERROR)
            FindInMap(digit, dch, timeShift, t0, 2);
    }
}
 
Int_t BmnDchRaw2Digit::GetChTDC64v(UInt_t tdc, UInt_t ch)
{
    // this is some Vishnevsky's magic!
    // FIXME! What is going here?!
    const Int_t tdc64v_tdcch2ch[2][32] = {{31, 15, 30, 14, 13, 29, 28, 12, 11, 27, 26, 10, 25, 9, 24, 8,
                                           23, 7,  22, 6,  21, 5,  20, 4,  19, 3,  18, 2,  17, 1, 16, 0},
                                          {31, 15, 30, 14, 29, 13, 28, 12, 27, 11, 26, 10, 25, 9, 24, 8,
                                           23, 7,  22, 6,  21, 5,  20, 4,  19, 3,  18, 2,  17, 1, 16, 0}};
    Int_t val = tdc64v_tdcch2ch[tdc - 1][ch];
    if (tdc == 2)
        val += 32;
    return val;
};
 
BmnStatus BmnDchRaw2Digit::FindInMap(BmnTDCDigit* dig, TClonesArray* arr, Long64_t ts, Double_t t0, Int_t dchId)
{
    vector<UniValue*> mapArr = (dchId == 1) ? fMap1 : fMap2;
    Int_t nEntriesInMap = mapArr.size();
    for (Int_t iMap = 0; iMap < nEntriesInMap; ++iMap) {
        DchMapValue* map = (DchMapValue*)mapArr[iMap];
        if (dig->GetSerial() != map->crate || dig->GetSlot() != map->slot)
            continue;
        UChar_t id = dig->GetHptdcId();
        if ((id < 1) || (id > 2))
            continue;
        UInt_t ch = GetChTDC64v(id, dig->GetChannel());
        if (ch > (UInt_t)map->channel_high || ch < (UInt_t)map->channel_low)
            continue;
        Double_t tm = dig->GetValue() / 10.0 - t0 + ts;   // divide by 10 for conversion (100 ps -> ns)
        new ((*arr)[arr->GetEntriesFast()]) BmnDchDigit(map->plane, map->group * 16 + ch - map->channel_low, tm, 0);
        return kBMNSUCCESS;
    }
    return kBMNERROR;
}