X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=itk%2FclitkSegmentationUtils.txx;h=b7a5de50693c5f078b19ea2245076f3c384c4657;hb=db41b9ca5a63470e968a8f8a697fd12d7013b21b;hp=501c64f86fedd8ace7de88f1e7e9388c4e6fd807;hpb=e2b37672d5ee8eafc7b1ac075f4e70596349f0c3;p=clitk.git

diff --git a/itk/clitkSegmentationUtils.txx b/itk/clitkSegmentationUtils.txx
index 501c64f..b7a5de5 100644
--- a/itk/clitkSegmentationUtils.txx
+++ b/itk/clitkSegmentationUtils.txx
@@ -766,8 +766,7 @@ namespace clitk {
   {
     assert((mainDirection==0) || (mainDirection==1));
     typedef itk::ImageSliceIteratorWithIndex<ImageType> SliceIteratorType;
-    SliceIteratorType siter = SliceIteratorType(input, 
-                                                input->GetLargestPossibleRegion());
+    SliceIteratorType siter = SliceIteratorType(input, input->GetLargestPossibleRegion());
     siter.SetFirstDirection(0);
     siter.SetSecondDirection(1);
     siter.GoToBegin();
@@ -786,7 +785,6 @@ namespace clitk {
         A = lA[i];
         B = lB[i];
         C = A;
-      
         // Check that the line is not a point (A=B)
         bool p = (A[0] == B[0]) && (A[1] == B[1]);
       
@@ -1394,6 +1392,30 @@ namespace clitk {
   //--------------------------------------------------------------------
      
 
+  //--------------------------------------------------------------------
+  template<class ImageType>
+  typename ImageType::Pointer
+  RemoveNegativeIndexFromRegion(ImageType * input) {
+    typedef itk::ChangeInformationImageFilter< ImageType > InfoFilterType; 
+    typename InfoFilterType::Pointer indexChangeFilter = InfoFilterType::New(); 
+    indexChangeFilter->ChangeRegionOn(); 
+    // The next line is commented because not exist in itk 3
+    // typename InfoFilterType::OutputImageOffsetValueType indexShift[3];
+    long indexShift[3];
+    typename ImageType::IndexType index = input->GetLargestPossibleRegion().GetIndex();
+    for(uint i=0;i<ImageType::ImageDimension; i++)
+      indexShift[i] = (index[i]<0 ? -index[i]:0);
+    typename ImageType::PointType origin;
+    for(uint i=0;i<ImageType::ImageDimension; i++)
+    origin[i] = input->GetOrigin()[i] - indexShift[i]*input->GetSpacing()[i];
+    indexChangeFilter->SetOutputOffset( indexShift ); 
+    indexChangeFilter->SetInput(input); 
+    indexChangeFilter->SetOutputOrigin(origin);
+    indexChangeFilter->ChangeOriginOn();
+    indexChangeFilter->Update();
+    return indexChangeFilter->GetOutput();
+  }
+  //--------------------------------------------------------------------
 
 
 } // end of namespace