diff --git a/matRad_MixedModality.m b/matRad_MixedModality.m
index 036eab9b2..e0f614791 100644
--- a/matRad_MixedModality.m
+++ b/matRad_MixedModality.m
@@ -11,7 +11,7 @@
 
 % beam geometry settings
 pln(1).propStf.bixelWidth      = 5; % [mm] / also corresponds to lateral spot spacing for particles
-pln(1).propStf.gantryAngles    = [ -45 0 45 ]; % [?] ;
+pln(1).propStf.gantryAngles    = [ -45 45 ]; % [?] ;
 pln(1).propStf.couchAngles     = zeros(numel(pln(1).propStf.gantryAngles),1); % [?] ; 
 pln(1).propStf.numOfBeams      = numel(pln(1).propStf.gantryAngles);
 pln(1).propStf.isoCenter       = ones(pln(1).propStf.numOfBeams,1) * matRad_getIsoCenter(cst,ct,0);
@@ -99,6 +99,7 @@
 % Fluence optimization 
 resultGUI = matRad_fluenceOptimizationJO(dij,cst,plnJO);
 
+
 %% Visualization
 slice = 59;
 
@@ -118,4 +119,11 @@
 subplot(1,3,3);
     imagesc(totalPlan(:,:,slice));
     matRad_plotVoiContourSlice(gca(f), cst,ct, 1, 1,3,slice);
-    title('Total Plan');
\ No newline at end of file
+    title('Total Plan');
+
+%% Visualization
+if iscell(resultGUI)
+[resultGUI, result] = matRad_accumulateCubesMixMod(resultGUI, pln,ct);
+end
+pln = pln(1)
+matRadGUI
\ No newline at end of file
diff --git a/tools/matRad_accumulateCubesMixMod.m b/tools/matRad_accumulateCubesMixMod.m
new file mode 100644
index 000000000..e0eb4ce0d
--- /dev/null
+++ b/tools/matRad_accumulateCubesMixMod.m
@@ -0,0 +1,59 @@
+function [resultGUI, result] = matRad_accumulateCubesMixMod(resultGUI, pln,ct)
+% function to merge Mixed modality resultGUI cells into one resultGUI for
+% visualisation
+% 
+% call
+%   [resultGUI, result] = matRad_accumulateCubesMixMod(resultGUI, pln,ct)
+%
+% input
+%   resultGUI:              matRads resultGUI Cell array from Mixed
+%                           modality optimization
+%   pln:                    matRad pln stuct
+%   ct:                     matRad ct structure 
+%                           
+%
+% output
+%   resultGUI:        matRads resultGUI struct
+%
+% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% Copyright 2018 the matRad development team.
+%
+% This file is part of the matRad project. It is subject to the license
+% terms in the LICENSE file found in the top-level directory of this
+% distribution and at https://github.com/e0404/matRad/LICENSES.txt. No part
+% of the matRad project, including this file, may be copied, modified,
+% propagated, or distributed except according to the terms contained in the
+% LICENSE file.
+%
+% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+matRad_cfg = MatRad_Config.instance();
+if ~iscell(resultGUI)
+    matRad_cfg.dispWarning('resultGUI is already a structure');
+    return;
+end
+if numel(pln) ~= numel(resultGUI)
+    matRad_cfg.dispWarning('dimension mismatch between pln and resultGUI ');
+end
+
+quantityOpt = pln(1).bioParam.quantityOpt;
+result = resultGUI;
+resultGUI = [];
+resultGUI.totalQO = zeros(ct.cubeDim);
+for mod = 1 : size(result,2)
+        modName = ['mod', num2str(mod)];
+        for st = 1 : size(result,1)
+            stName = ['st',num2str(st)];
+            fNames = fieldnames(result{st,mod});
+            for i = 1: numel(fNames)
+                tn = [modName,stName,fNames{i}];
+                resultGUI.(tn) = result{st,mod}.(fNames{i});
+            end
+        end
+         tn = [modName quantityOpt];
+        resultGUI.(tn) = result{st,mod}.(quantityOpt) * pln(mod).numOfFractions;
+        resultGUI.totalQO = resultGUI.totalQO + resultGUI.(tn);
+end
+
+
+end
\ No newline at end of file