Romulo:

[clitk.git] / tools / clitkImageArithmGenericFilter.txx

diff --git a/tools/clitkImageArithmGenericFilter.txx b/tools/clitkImageArithmGenericFilter.txx
index e925f21ee177af3d5f34738891f209402ac794ff..e8edf99b421c6efa959c6cce2942bc86598892eb 100755 (executable)
--- a/tools/clitkImageArithmGenericFilter.txx
+++ b/tools/clitkImageArithmGenericFilter.txx
@@ -107,20 +107,20 @@ void ImageArithmGenericFilter<args_info_type>::UpdateWithInputImageType()
   IteratorType it(input1, input1->GetLargestPossibleRegion());
 
   // typedef input2
-  typename ImageType::Pointer input2 = this->template GetInput<ImageType>(1);
+  typename ImageType::Pointer input2 = NULL;
   IteratorType it2;
 
-  // Check dimension
-  if (!clitk::HaveSameSizeAndSpacing<ImageType, ImageType>(input1, input2)) {
-    std::cerr << "* ERROR * the images (input and input2) must have the same size & spacing";
-    return;
-  }
 
   if (mIsOperationUseASecondImage) {
-    // Read input2
-    input2 = this->template GetInput<ImageType>(1);
-    // Set input image iterator
-    it2 = IteratorType(input2, input2->GetLargestPossibleRegion());
+      // Read input2
+      input2 = this->template GetInput<ImageType>(1);
+      // Set input image iterator
+      it2 = IteratorType(input2, input2->GetLargestPossibleRegion());
+      // Check dimension
+      if (!clitk::HaveSameSizeAndSpacing<ImageType, ImageType>(input1, input2)) {
+          std::cerr << "* ERROR * the images (input and input2) must have the same size & spacing";
+          return;
+      }
   }
 
   // Check if overwrite and outputisfloat and pixeltype is not float -> do not overwrite
@@ -229,7 +229,6 @@ void  ImageArithmGenericFilter<args_info_type>::ComputeImage(Iter1 it1, Iter2 it
     }
     break;
   case 5: // Absolute difference
-      DD("AbsoluteDifff");
     while (!ito.IsAtEnd()) {
       ito.Set(PixelTypeDownCast<double, PixelType>(fabs((double)it2.Get()-(double)it1.Get())));
       ++it1;