From aca77bd76f475ccdd88e9700f0ffdd877409a54f Mon Sep 17 00:00:00 2001
From: sjplimp <sjplimp@f3b2605a-c512-4ea7-a41b-209d697bcdaa>
Date: Thu, 17 May 2012 16:46:42 +0000
Subject: [PATCH] git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@8065
 f3b2605a-c512-4ea7-a41b-209d697bcdaa

---
 src/atom.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/atom.cpp b/src/atom.cpp
index dd88840d1d..d5c2477782 100644
--- a/src/atom.cpp
+++ b/src/atom.cpp
@@ -1615,6 +1615,7 @@ void *Atom::extract(char *name)
 {
   if (strcmp(name,"id") == 0) return (void *) tag;
   if (strcmp(name,"type") == 0) return (void *) type;
+  if (strcmp(name,"mask") == 0) return (void *) mask;
   if (strcmp(name,"x") == 0) return (void *) x;
   if (strcmp(name,"v") == 0) return (void *) v;
   if (strcmp(name,"f") == 0) return (void *) f;