From 2350bf421854e4c568e9070843f34a7546e5e874 Mon Sep 17 00:00:00 2001
From: Saad Jbabdi <saad@fmrib.ox.ac.uk>
Date: Thu, 16 Jul 2009 12:11:21 +0000
Subject: [PATCH] clarified error message

---
 probtrackx.cc | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/probtrackx.cc b/probtrackx.cc
index 5a49254..8380095 100644
--- a/probtrackx.cc
+++ b/probtrackx.cc
@@ -44,7 +44,11 @@ int main ( int argc, char **argv ){
   }
   else if(opts.network.value()){ nmasks(); }
   else if(opts.meshfile.value()!=""){meshmask();}
-  else {cout << "exit without doing anything"<<endl;return 0;};
+  else {
+    cout << "No seed mask detected! exit without doing anything"<<endl;
+    cout << "If you are seeding from a list of coordinates, use --mode=simple"<<endl;
+    return 0;
+  };
 
   //else if(fopen(tmpin.c_str(),"r")!=NULL ){ track();}
 
-- 
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