From 5541344dce88070a9cf861a43acf213703f3711a Mon Sep 17 00:00:00 2001
From: Chengdong Fu <fucd@ihep.ac.cn>
Date: Mon, 1 Apr 2024 14:22:36 +0800
Subject: [PATCH] remove very short path
---
Simulation/DetSimSD/src/GenericTrackerSensitiveDetector.cpp | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Simulation/DetSimSD/src/GenericTrackerSensitiveDetector.cpp b/Simulation/DetSimSD/src/GenericTrackerSensitiveDetector.cpp
index 5e9ba1a6..c1b8aca9 100644
--- a/Simulation/DetSimSD/src/GenericTrackerSensitiveDetector.cpp
+++ b/Simulation/DetSimSD/src/GenericTrackerSensitiveDetector.cpp
@@ -33,10 +33,12 @@ G4bool GenericTrackerSensitiveDetector::ProcessHits(G4Step* step, G4TouchableHis
dd4hep::Position direction = postPos - prePos;
dd4hep::Position position = mean_direction(prePos,postPos);
double hit_len = direction.R();
+ if (hit_len < 1E-9) return true;
if (hit_len > 0) {
double new_len = mean_length(h.preMom(),h.postMom())/hit_len;
direction *= new_len/hit_len;
}
+
dd4hep::sim::Geant4TrackerHit* hit = nullptr;
hit = new dd4hep::sim::Geant4TrackerHit(h.track->GetTrackID(),
h.track->GetDefinition()->GetPDGEncoding(),
--
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