Re #11711 Store fitting results in m_data in the PeakFitting step

Code/Mantid/MantidQt/CustomInterfaces/src/Muon/ALCPeakFittingModel.cpp

@@ -19,37 +19,9 @@ namespace CustomInterfaces
 
   MatrixWorkspace_sptr ALCPeakFittingModel::exportWorkspace()
   {
-    if ( m_data && m_fittedPeaks) {
+    if ( m_data->getNumberHistograms() == 3 ) {
 
-      // Create a new workspace by cloning data one
-      IAlgorithm_sptr clone = AlgorithmManager::Instance().create("CloneWorkspace");
-      clone->setChild(true); // Don't want workspaces in ADS
-      clone->setProperty("InputWorkspace", boost::const_pointer_cast<MatrixWorkspace>(m_data));
-      clone->setProperty("OutputWorkspace", "__NotUsed");
-      clone->execute();
-
-      Workspace_sptr cloneResult = clone->getProperty("OutputWorkspace");
-
-      // Calculate function values for all data X values
-      MatrixWorkspace_sptr peaks = ALCHelper::createWsFromFunction(m_fittedPeaks, m_data->readX(0));
-
-      // Merge two workspaces
-      IAlgorithm_sptr join = AlgorithmManager::Instance().create("ConjoinWorkspaces");
-      join->setChild(true);
-      join->setProperty("InputWorkspace1", cloneResult);
-      join->setProperty("InputWorkspace2", peaks);
-      join->setProperty("CheckOverlapping", false);
-      join->execute();
-
-      MatrixWorkspace_sptr result = join->getProperty("InputWorkspace1");
-
-      // Update axis lables so that it's understandable what's what on workspace data view / plot
-      TextAxis* yAxis = new TextAxis(result->getNumberHistograms());
-      yAxis->setLabel(0,"Data");
-      yAxis->setLabel(1,"FittedPeaks");
-      result->replaceAxis(1,yAxis);
-
-      return result;
+      return boost::const_pointer_cast<MatrixWorkspace>(m_data);
 
     } else {
     
@@ -84,6 +56,7 @@ namespace CustomInterfaces
     fit->setProperty("CreateOutput", true);
     fit->execute();
 
+    m_data = fit->getProperty("OutputWorkspace");
     m_parameterTable = fit->getProperty("OutputParameters");
 
     setFittedPeaks(static_cast<IFunction_sptr>(fit->getProperty("Function")));