From a0cfbb2db51342cda4a5484acef1facacab797e4 Mon Sep 17 00:00:00 2001
From: Dinko Ferencek <Dinko.Ferencek@cern.ch>
Date: Fri, 12 Apr 2024 11:26:34 +0200
Subject: [PATCH] allow using fake pixels as seeds but drop them from final
 clusters

---
 .../SiPixelClusterizer/plugins/PixelThresholdClusterizer.cc   | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/RecoLocalTracker/SiPixelClusterizer/plugins/PixelThresholdClusterizer.cc b/RecoLocalTracker/SiPixelClusterizer/plugins/PixelThresholdClusterizer.cc
index f5c80d6be258b..30273146b16e9 100644
--- a/RecoLocalTracker/SiPixelClusterizer/plugins/PixelThresholdClusterizer.cc
+++ b/RecoLocalTracker/SiPixelClusterizer/plugins/PixelThresholdClusterizer.cc
@@ -390,7 +390,9 @@ SiPixelCluster PixelThresholdClusterizer::make_cluster(const SiPixelCluster::Pix
 
   AccretionCluster acluster, cldata;
   acluster.add(pix, seed_adc);
-  cldata.add(pix, seed_adc);
+  if (!theFakePixels[pix.row() * theNumOfCols + pix.col()]) {
+    cldata.add(pix, seed_adc);
+  }
 
   //Here we search all pixels adjacent to all pixels in the cluster.
   bool dead_flag = false;