Draft: adapt for use of velo hit efficiencies

Goes with Rec!3907 Adaptations to make use of VELO hit efficiencies. In principle NOT FOR MERGE.

usage:

def hitMapMaker():
    from ROOT import TFile, TH2F
    dataFile = TFile.Open("/eos/lhcb/user/m/mwaterla/ftHitEfficiencyFiles/combinedEfficiencies.root")
    mcFile = TFile.Open("/eos/lhcb/user/m/mwaterla/ftHitEfficiencyFiles/combinedFTMC.root")
    vals = [0]*4096
    for layer in range(0,12):
        hmc = mcFile.Get("FTHitEfficiencyLayer"+str(layer)+"/EfficiencyVsSipm")
        hdata = dataFile.Get("FTHitEfficiencyLayer"+str(layer)+"/EfficiencyVsSipm")
        for iBin in range(1,4097):
            if(hmc.GetBinContent(iBin) > 0):
                content = hdata.GetBinContent(iBin)/hmc.GetBinContent(iBin)
            else:
                content = hdata.GetBinContent(iBin)
            #content = hdata.GetBinContent(iBin)/targetEff                                                                                                                                                  
            vals[iBin-1] =  max(vals[iBin-1],content)
    mcFile.Close()
    dataFile.Close()
    return vals

import json
eff_file = open("efficienciesTitus.json")
eff_dict = json.load(eff_file)

eff_list = []
for i in range(624):
    eff_list.append(eff_dict[str(i)]["eff"])
with reconstruction.bind(from_file=False),\
     make_VeloClusterTrackingSIMD.bind(algorithm=VeloRetinaClusterTrackingSIMD, SkipForward=4, sensor_efficiencies=eff_list),\
     PrStoreSciFiHits.bind(AdditionalHitEfficiencyMap=hitMapMaker()), PrHybridSeeding.bind(nCasesUsed=4),\
[...]