From 931662fab9e126de344c73324f2225577c3be9e4 Mon Sep 17 00:00:00 2001
From: Alex Buts <Alex.Buts@stfc.ac.uk>
Date: Fri, 15 Aug 2014 18:27:48 +0100
Subject: [PATCH] refs #9962 This should resolve MergeMDFiles side of the
 problem

as MergeMDFiles was not calculating average signal/error for boxes.
Sliceviewer still have problem with the slider location
---
 Code/Mantid/Framework/MDAlgorithms/src/MergeMDFiles.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Code/Mantid/Framework/MDAlgorithms/src/MergeMDFiles.cpp b/Code/Mantid/Framework/MDAlgorithms/src/MergeMDFiles.cpp
index ef5ec50e7f47..d1b32b82feae 100644
--- a/Code/Mantid/Framework/MDAlgorithms/src/MergeMDFiles.cpp
+++ b/Code/Mantid/Framework/MDAlgorithms/src/MergeMDFiles.cpp
@@ -251,11 +251,13 @@ namespace MDAlgorithms
       if(!box->isBox())continue;
       // load all contributed events into current box;
       this->loadEventsFromSubBoxes(boxes[ib]);
-
+      // calculate box averages e.g. signal, error and number of events in the box
+      box->refreshCache();
       if(DiskBuf)
       {
         if(box->getDataInMemorySize()>0)
         {  // data position has been already pre-calculated 
+            
             box->getISaveable()->save();
             box->clearDataFromMemory();
             //Kernel::ISaveable *Saver = box->getISaveable();