diff --git a/examples/matRad_example15_brachy.m b/examples/matRad_example15_brachy.m
index 085d0609e..1685c803d 100644
--- a/examples/matRad_example15_brachy.m
+++ b/examples/matRad_example15_brachy.m
@@ -190,6 +190,9 @@
 pln.propStf.couchAngles     = []; 
 pln.propStf.numOfBeams      = 0;
 pln.numOfFractions          = 1; 
+pln.propStf.isoCenter = matRad_getIsoCenter(cst, ct, 0);
+pln.propStf.numOfRays = NaN ;
+
 
 %% II.1 - view plan
 % Et voila! Our treatment plan structure is ready. Lets have a look:
@@ -225,6 +228,7 @@
 % visualize the optimized dose cubes.
 
 resultGUI = matRad_fluenceOptimization(dij,cst,pln);
+
 matRadGUI;
 
 %% IV.1 Plot the Resulting Dose Slice
diff --git a/matRad/gui/matRad_MainGUI.m b/matRad/gui/matRad_MainGUI.m
index bd4a0eb86..9f3225230 100644
--- a/matRad/gui/matRad_MainGUI.m
+++ b/matRad/gui/matRad_MainGUI.m
@@ -34,6 +34,7 @@
         DVHStatsWidget
         eventListeners
         GammaWidget
+        
 
         forceClose = false;
     end
@@ -41,6 +42,7 @@
 
 
     methods(Access = protected)
+
         function this = createMenuBar(this)
             h1 = this.guiHandle;
             folder = fileparts(mfilename('fullpath'));
diff --git a/matRad/gui/widgets/matRad_PlanWidget.m b/matRad/gui/widgets/matRad_PlanWidget.m
index 9eacde823..d0bf44721 100644
--- a/matRad/gui/widgets/matRad_PlanWidget.m
+++ b/matRad/gui/widgets/matRad_PlanWidget.m
@@ -300,7 +300,7 @@
             h30 = uicontrol(...
                 'Parent',h12,...
                 'Units','normalized',...
-                'String',{'Generic','generic_MCsquare'},...
+                'String',{'Generic','generic_MCsquare','HDR','LDR'},...
                 'TooltipString',txt,...
                 'Style','popupmenu',...
                 'Value',1,...
diff --git a/matRad/gui/widgets/matRad_VisualizationWidget.m b/matRad/gui/widgets/matRad_VisualizationWidget.m
index 50a8aa224..c747039b9 100644
--- a/matRad/gui/widgets/matRad_VisualizationWidget.m
+++ b/matRad/gui/widgets/matRad_VisualizationWidget.m
@@ -652,10 +652,14 @@ function getFromViewingWidget(this)
                 set(handles.sliderBeamSelection,'Min',1,'Max',1, 'Value',1,'SliderStep',[1 1]);
             end
 
-            % Offset Slider (profile plot)           
-            set(handles.sliderOffset,'Min',this.viewingWidgetHandle.OffsetMinMax(1),'Max',this.viewingWidgetHandle.OffsetMinMax(2),...
-                'Value',this.viewingWidgetHandle.profileOffset,...
-                'SliderStep',this.viewingWidgetHandle.OffsetSliderStep);
+                % Offset Slider (profile plot)
+                set(handles.sliderOffset,'Min',this.viewingWidgetHandle.OffsetMinMax(1),'Max',this.viewingWidgetHandle.OffsetMinMax(2),...
+                    'Value',this.viewingWidgetHandle.profileOffset,...
+                    'SliderStep',this.viewingWidgetHandle.OffsetSliderStep);
+
+
+
+
 
             %CT Scenario Slider
             if numScen > 1
diff --git a/matRad/steering/matRad_StfGeneratorBrachy.m b/matRad/steering/matRad_StfGeneratorBrachy.m
index 3a4de97f6..2944268c4 100644
--- a/matRad/steering/matRad_StfGeneratorBrachy.m
+++ b/matRad/steering/matRad_StfGeneratorBrachy.m
@@ -102,6 +102,7 @@ function initialize(this)
             stf.numOfSeedsPerNeedle = this.needle.seedsNo;
             stf.numOfNeedles = sum(this.template.activeNeedles(:));
             stf.totalNumOfBixels = stf.numOfSeedsPerNeedle * stf.numOfNeedles; % means total number of seeds
+            stf.numOfRays = NaN;
 
             %% generate 2D template points
             % the template origin is set at its center. In the image coordinate system,