Merge pull request #696 from JenHardt/dev_varRBErobOpt

small  bug fix to assgin HU in phantom builder

phantoms/builder/matRad_PhantomBuilder.m

@@ -124,7 +124,7 @@ function addSphericalOAR(obj,name,radius,varargin)
 
             for i = 1:size(obj.cst,1)                    
                 vIxVOI = obj.cst{end-i+1,4}{1};
-                obj.ct.cubeHU{1}(vIxVOI) = 0; % assign HU 
+                obj.ct.cubeHU{1}(vIxVOI) = obj.volumes{1,end-i+1}.HU; % assign HU
             end
 
             ct  = obj.ct;