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MC Truth propagation with FairLinks in timebased sim [message #18993] Fri, 05 February 2016 17:59 Go to previous message
Marcel Tiemens is currently offline  Marcel Tiemens
Messages: 47
Registered: January 2014
continuous participant
From: *kvi-cart.rug.nl
Dear all,

I'm experiencing trouble with the MC propagation in the timebased simulation. Already at the digitisation stage, the link propagation appears to be broken. The digitisation macro returns
"-E- FairMultiLinkedData_Interface::AddInterfaceData EntryNr == (-1/-1/-1/-1/1)" for each hit.
SetUseFairLinks is set to true in all macros. As fas as I can grasp together from the code, this is the way the links are propagated:

PndEmcHitProducer: MCTrack->EmcHit:
PndEmcPoint* point  = (PndEmcPoint*) fPointArray->At(iPoint);
DetId = point->GetDetectorID();

if (point->GetEntering()){
	fTrackEntering[DetId].AddLinks(point->GetLinksWithType(FairRootManager::Instance()->GetBranchId("MCTrack")));
}
if (point->GetExiting()){
	fTrackExiting[DetId].AddLinks(point->GetLinksWithType(FairRootManager::Instance()->GetBranchId("MCTrack")));


PndEmcFWEndcapTimebasedWaveforms: EmcHit->EmcWaveform:
FairLink linkToHit(-1, ioman->GetEntryNr(), "EmcHit", iHit, 1.0);
wfData.AddHit(linkToHit, ioman->GetEventTime() + theHit->GetTime()*1.0e9, theHit->GetEnergy());


PndEmcFWEndcapDigi: EmcWaveform->EmcDigi:
myDigi->AddLink(FairLink("EmcWaveform", iWaveform));


PndEmcMakeClusterOnline: EmcDigi->EmcCluster:
cluster->addDigi(fDigiArray,myDigi); 
cluster->AddLink(FairLink("EmcDigi", myDigi));


Can anyone see where it goes wrong, and maybe even if there is a simple fix for this? It would be preferable to have the ability to use the MC information.
 
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