X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=common%2FvvImage.txx;h=14da10a227f7d825cde021a143b8c2f84a74d7bb;hb=3b74618a8efd24d3d277c75fda1ddc4b2f104d51;hp=43631f6138adfbac36fcab5fcc5704a1a73f6dae;hpb=b29eb65e42740eaea460a8c503f3df05bb554ffe;p=clitk.git

diff --git a/common/vvImage.txx b/common/vvImage.txx
old mode 100755
new mode 100644
index 43631f6..14da10a
--- a/common/vvImage.txx
+++ b/common/vvImage.txx
@@ -1,3 +1,20 @@
+/*=========================================================================
+  Program:   vv                     http://www.creatis.insa-lyon.fr/rio/vv
+
+  Authors belong to:
+  - University of LYON              http://www.universite-lyon.fr/
+  - Léon Bérard cancer center       http://www.centreleonberard.fr
+  - CREATIS CNRS laboratory         http://www.creatis.insa-lyon.fr
+
+  This software is distributed WITHOUT ANY WARRANTY; without even
+  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+  PURPOSE.  See the copyright notices for more information.
+
+  It is distributed under dual licence
+
+  - BSD        See included LICENSE.txt file
+  - CeCILL-B   http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
+===========================================================================*/
 #include <itkImageToVTKImageFilter.h>
 
 //--------------------------------------------------------------------
@@ -9,21 +26,30 @@ void vvImage::AddItkImage(TItkImageType *input)
   input->Update();
 
   // Convert from ITK object to VTK object
-  mImageDimension = TItkImageType::ImageDimension; 
+  mImageDimension = TItkImageType::ImageDimension;
   typedef itk::ImageToVTKImageFilter <TItkImageType> ConverterType;
   typename ConverterType::Pointer converter = ConverterType::New();
   mItkToVtkConverters.push_back(dynamic_cast< itk::ProcessObject *>(converter.GetPointer()));
   converter->SetInput(input);
   converter->Update();
   mVtkImages.push_back( converter->GetOutput() );
-  
+
   // Account for direction in transform. The offset is already accounted for
   // in the VTK image coordinates, no need to put it in the transform.
   vtkSmartPointer<vtkMatrix4x4> matrix = vtkSmartPointer<vtkMatrix4x4>::New();
   matrix->Identity();
-  for(unsigned int j=0; j<input->GetImageDimension(); j++)
-    for(unsigned int i=0; i<input->GetImageDimension(); i++)
+  for(unsigned int i=0; i<input->GetImageDimension(); i++) {
+    for(unsigned int j=0; j<input->GetImageDimension(); j++) {
       (*matrix)[i][j] = input->GetDirection()[i][j];
+      // Direction is used around the image origin in ITK
+      (*matrix)[i][3] -= (*matrix)[i][j] * input->GetOrigin()[j];
+    }
+    (*matrix)[i][3] += input->GetOrigin()[i];
+  }
+
+  // GetDirection provides the forward transform, vtkImageReslice wants the inverse
+  matrix->Invert();
+
   mTransform->SetMatrix(matrix);
 }
 //--------------------------------------------------------------------