BUG: improvement of the correction 22e36285f581

Code/BasicFilters/otbUnaryFunctorObjectListBooleanFilter.txx

@@ -43,9 +43,10 @@ void
 UnaryFunctorObjectListBooleanFilter<TInputList,TOutputList,TFunction>
 ::GenerateData(void)
 {
+  this->AllocateOutputs();
+  
   InputListPointer inputPtr = this->GetInput();
   OutputListPointer outputPtr = this->GetOutput();
-  outputPtr->Clear();//FIXME this should be probably be in a superclass in a method called before GenerateData()
 
   itk::ProgressReporter progress(this, 0, inputPtr->Size());
   

Code/BasicFilters/otbUnaryFunctorObjectListFilter.txx

@@ -43,9 +43,10 @@ void
 UnaryFunctorObjectListFilter<TInputList,TOutputList,TFunction>
 ::GenerateData(void)
 {
+  this->AllocateOutputs();
+  
   InputListPointer inputPtr = this->GetInput();
   OutputListPointer outputPtr = this->GetOutput();
-  outputPtr->Clear();//FIXME this should be probably be in a superclass in a method called before GenerateData()
 
   itk::ProgressReporter progress(this, 0, inputPtr->Size());
   

Code/Common/otbObjectList.h

@@ -25,7 +25,7 @@ PURPOSE.  See the above copyright notices for more information.
 namespace otb 
 {
 /** \class ObjectList
- *  \brief This class is a generic all-purpose wrapping around an std::vector<SmartPointer<ObjectType>>.
+ *  \brief This class is a generic all-purpose wrapping around an std::vector<itk::SmartPointer<ObjectType> >.
  *
  * ObjectList stores SmartPointer to ObjectType in a std::vector data structure. It provides the same
  * methods and iterators interfaces.

Code/Common/otbObjectListSource.h

@@ -171,6 +171,9 @@ namespace otb
           /**PrintSelf method */
           virtual void PrintSelf(std::ostream& os, itk::Indent indent) const;
 
+          /** Ensure that the list are cleared before processing */ 
+          virtual void  AllocateOutputs();
+          
   /** ObjectListSource can be implemented as a multithreaded filter.
            * Therefore, this implementation provides a ThreadedGenerateData() routine
            * which is called for each processing thread. The output image data is
@@ -181,7 +184,7 @@ namespace otb
            *
            * \sa ImageToImageFilter::ThreadedGenerateData(),
    *     ImageToImageFilter::GenerateData()  */
-          void GenerateData(void);
+          virtual void GenerateData(void);
 
         private:
           ObjectListSource(const Self&); //purposely not implemented

Code/Common/otbObjectListSource.txx

@@ -116,9 +116,25 @@ namespace otb
     output->Graft( graft );
   }
 
+//----------------------------------------------------------------------------
 
+  template <class TOutputList>
+    void
+      ObjectListSource<TOutputList>
+  ::AllocateOutputs()
+  {
+    OutputListPointer outputPtr;
+
+  // Allocate the output memory
+    for (unsigned int i=0; i < this->GetNumberOfOutputs(); i++)
+    {
+      outputPtr = this->GetOutput(i);
+      outputPtr->Clear();
+    }
+  }
+  
 /**
-   * GenerateData Performs the pixel-wise addition
+   * GenerateData
  */
   template <class TOutputList>
       void