From a7618fbc2af0abcc71b7f6347604de2d00a49450 Mon Sep 17 00:00:00 2001
From: Holly Szumila <hszumila@jlab.org>
Date: Mon, 26 Mar 2018 10:51:25 -0400
Subject: [PATCH] Shms optics y fp offset (#432)

* added HMS ME and readme

* add y center offset found from optics
---
 PARAM/SHMS/DC/pdc_geom.param | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/PARAM/SHMS/DC/pdc_geom.param b/PARAM/SHMS/DC/pdc_geom.param
index cd05a5be..80ec5ff9 100644
--- a/PARAM/SHMS/DC/pdc_geom.param
+++ b/PARAM/SHMS/DC/pdc_geom.param
@@ -44,8 +44,8 @@ pdc_readoutTB = 1, -1, 1, -1, 1, -1
 
 ; x, y and z position of center for each wire chamber in cm.
 ; From survey C1771.
-pdc_xcenter = -0.036, 0.008 ;
-pdc_ycenter = 0.019, 0.013 ;
+pdc_xcenter = -0.036, 0.008;
+pdc_ycenter = 0.019-0.613, 0.013-0.613 ;
 
 pdc_1_zpos = -40 - 0.656 ;
 pdc_2_zpos =  40 - 0.668 ;
-- 
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