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None GetCollectionID does not find /detector/collection 

Keywords: GetCollectionID, AddNewDetector, collectionName
Forum: Hits, Digitization and Pileup
Date: 11 Dec, 2003
From: Peter Niessen <>

Dear GEANT4 gurus,

in my application I created a photon detector and want to read hits in
it. In my

class PhtonDetectorSD : public G4VSensitiveDetector {
PhotonDetectorSD {collectionName.insert ("phColl");}

and in my
class Detector : public G4VUserDetectorConstruction {
G4SDManager *SDman = G4SDManager::GetSDMpointer ();
G4String photon_sensor_SD_name = "/photo";
PhotonDetectorSD *photo_SD = new PhotonDetectorSD (photon_sensor_SD_name);
SDman->AddNewDetector (photo_SD);
PhotonDetector_log->SetSensitiveDetector (photo_SD);

However, in the EventAction class, 

SDman->GetCollectionID ("/photo/phColl")  does not work but only
SDman->GetCollectionID ("phColl") gives the right collection id.

Any clues?

Thanks, Peter.

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