From 789254bc79e2d2e803b8376509bad44b3fbbff9d Mon Sep 17 00:00:00 2001
From: David Emschermann <d.emschermann@gsi.de>
Date: Wed, 9 Mar 2022 15:22:24 +0100
Subject: [PATCH] fine-tune RICH v21b, refs #2459
---
macro/mcbm/geometry/rich/create_rich_v21b_mcbm.C | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/macro/mcbm/geometry/rich/create_rich_v21b_mcbm.C b/macro/mcbm/geometry/rich/create_rich_v21b_mcbm.C
index d0dff0d0e2..4dafc21b6e 100644
--- a/macro/mcbm/geometry/rich/create_rich_v21b_mcbm.C
+++ b/macro/mcbm/geometry/rich/create_rich_v21b_mcbm.C
@@ -33,15 +33,15 @@ void create_rich_v21b_mcbm()
TString geoFileName = "rich_v21b_mcbm.geo.root";
TString topNodeName = "rich_v21b_mcbm";
+ // displace RICH module along the rails on the TOF frame
Double_t XOffset = 0;
Double_t ZOffset = 0;
- // displace RICH module along the rails on the TOF frame
Double_t displacement_along_rails = -20.0; // cm for Carbon-12 run
Double_t support_frame_rotation_angle = 12.5; // degrees
- XOffset = +displacement_along_rails *cos( support_frame_rotation_angle * acos(-1)/180 );
- ZOffset = -displacement_along_rails *sin( support_frame_rotation_angle * acos(-1)/180 );
+ XOffset += +displacement_along_rails *cos( support_frame_rotation_angle * acos(-1)/180 );
+ ZOffset += -displacement_along_rails *sin( support_frame_rotation_angle * acos(-1)/180 );
// end of displacement along the rails
FairGeoLoader* geoLoad = new FairGeoLoader("TGeo", "FairGeoLoader");
--
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