From e8f7f1cb5bba52600c05a110b3605232a28744ab Mon Sep 17 00:00:00 2001
From: Stan Seibert <stan@mtrr.org>
Date: Thu, 31 Jan 2013 11:14:42 -0500
Subject: Add method to show total charge in event

---
 chroma/io/root.C | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/chroma/io/root.C b/chroma/io/root.C
index 2b39b1b..9e7ef39 100644
--- a/chroma/io/root.C
+++ b/chroma/io/root.C
@@ -42,6 +42,14 @@ struct Event {
   unsigned int nchannels;
 
   Vertex primary_vertex;
+  
+  double TotalQ() const {
+    double sum = 0.0;
+    for (unsigned int i=0; i < channels.size(); i++)
+      sum += channels[i].q;
+    return sum;
+  }
+
 
   std::vector<Vertex> vertices;
   std::vector<Photon> photons_beg;
-- 
cgit