From 5d5bedaa5db4f6e7f96b0520bf61374103276967 Mon Sep 17 00:00:00 2001
From: Chao Peng <cpeng@anl.gov>
Date: Mon, 19 Jul 2021 08:35:39 -0500
Subject: [PATCH] add division of the last fiber chunk to improve performance
---
compact/ecal_barrel_interlayers.xml | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/compact/ecal_barrel_interlayers.xml b/compact/ecal_barrel_interlayers.xml
index 8d1c6910..110c18e9 100644
--- a/compact/ecal_barrel_interlayers.xml
+++ b/compact/ecal_barrel_interlayers.xml
@@ -23,6 +23,7 @@
<constant name="EcalBarrel_FiberXSpacing" value="1.34*mm"/>
<constant name="EcalBarrel_FiberZSpacing" value="1.22*mm"/>
<constant name="EcalBarrel_SpaceBetween" value="1*mm"/>
+ <constant name="EcalBarrel_FiberChunkLayers_num" value = "10"/>
<comment>
For Pb/SiFi (GlueX): X0 ~ 1.45 cm
For W/SiFi (sPHENIX): X0 ~ 0.7 cm (but different fiber orientation)
@@ -129,9 +130,11 @@
spacing_z="EcalBarrel_FiberZSpacing"/>
</slice>
</layer>
- <layer repeat="1" vis="AnlBlue"
+ <layer repeat="EcalBarrel_FiberChunkLayers_num" vis="AnlBlue"
space_before="EcalBarrel_ImagingLayerThickness + EcalBarrel_SpaceBetween">
- <slice material="Lead" thickness="EcalBarrel_FiberLayerThickness" vis="EcalBarrelFiberLayerVis">
+ <slice material="Lead"
+ thickness="EcalBarrel_FiberLayerThickness/EcalBarrel_FiberChunkLayers_num"
+ vis="EcalBarrelFiberLayerVis">
<fiber material="PlasticScint"
sensitive="yes"
vis="EcalBarrelFiberVis"
--
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