REFAC: use improved itkWarpImageFilter rather than otb clone

Modules/Core/Transform/include/otbStreamingWarpImageFilter.h

@@ -21,14 +21,14 @@
 #ifndef otbStreamingWarpImageFilter_h
 #define otbStreamingWarpImageFilter_h
 
-#include "otbWarpImageFilter.h"
+#include "itkWarpImageFilter.h"
 #include "otbStreamingTraits.h"
 
 namespace otb
 {
 
 /** \class StreamingWarpImageFilter
- * \brief This class acts like the otb::WarpImageFilter, but it does not request the largest possible region of the image to warp.
+ * \brief This class acts like the itk::WarpImageFilter, but it does not request the largest possible region of the image to warp.
  *
  * Instead, the user should assess the maximum displacement in the displacement field and set it via the SetMaximumDisplacement() method.
  *
@@ -50,12 +50,12 @@ namespace otb
 
 template <class TInputImage, class TOutputImage, class TDisplacementField>
 class ITK_EXPORT StreamingWarpImageFilter
-  :  public otb::WarpImageFilter<TInputImage, TOutputImage, TDisplacementField>
+  :  public itk::WarpImageFilter<TInputImage, TOutputImage, TDisplacementField>
 {
 public:
   /** Standard class typedefs. */
   typedef StreamingWarpImageFilter                                            Self;
-  typedef otb::WarpImageFilter<TInputImage, TOutputImage, TDisplacementField> Superclass;
+  typedef itk::WarpImageFilter<TInputImage, TOutputImage, TDisplacementField> Superclass;
   typedef itk::SmartPointer<Self>                                             Pointer;
   typedef itk::SmartPointer<const Self>                                       ConstPointer;
 

Modules/Core/Transform/include/otbStreamingWarpImageFilter.txx

@@ -44,6 +44,8 @@ void
 StreamingWarpImageFilter<TInputImage, TOutputImage, TDisplacementField>
 ::GenerateInputRequestedRegion()
  {
+  Superclass::GenerateInputRequestedRegion();
+
   // Get the input and displacement field pointers
   InputImageType         *       inputPtr
   = const_cast<InputImageType *>(this->GetInput());
@@ -228,6 +230,11 @@ StreamingWarpImageFilter<TInputImage, TOutputImage, TDisplacementField>
     noDataValue.resize(this->GetOutput()->GetNumberOfComponentsPerPixel(),0.0);
     }
   PixelType edgePadding = this->GetEdgePaddingValue();
+  if (itk::NumericTraits<PixelType>::GetLength(edgePadding) != this->GetOutput()->GetNumberOfComponentsPerPixel())
+    {
+    itk::NumericTraits<PixelType>::SetLength(edgePadding,this->GetOutput()->GetNumberOfComponentsPerPixel());
+    this->SetEdgePaddingValue(edgePadding);
+    }
   for (unsigned int i=0; i<noDataValueAvailable.size() ; ++i)
     {
     if (!noDataValueAvailable[i])