From 647a6322e7d8f4c456bfe56414d8d9a879fb7f3a Mon Sep 17 00:00:00 2001
From: srit <srit>
Date: Mon, 7 Mar 2011 16:22:06 +0000
Subject: [PATCH] Removed direct modification of matrix elements which
 triggered vtk warnings.

---
 common/vvImage.txx   | 7 +++++--
 vv/vvImageReader.cxx | 8 ++++----
 2 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/common/vvImage.txx b/common/vvImage.txx
index 06f44af..a84fa76 100755
--- a/common/vvImage.txx
+++ b/common/vvImage.txx
@@ -13,11 +13,14 @@ void vvImage::AddItkImage(TItkImageType *input)
   converter->Update();
   mVtkImages.push_back( converter->GetOutput() );
   
-  // Account for direction in transform. The offset is already accounted for
+ // 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++)
-      mTransform->GetMatrix()->SetElement(i,j, input->GetDirection()[i][j]);
+      (*matrix)[i][j] = input->GetDirection()[i][j];
+  mTransform->SetMatrix(matrix);
 
   // Create the corresponding transformed image
   mVtkImageReslice.push_back(vtkSmartPointer<vtkImageReslice>::New());
diff --git a/vv/vvImageReader.cxx b/vv/vvImageReader.cxx
index 0076bf7..593ef70 100644
--- a/vv/vvImageReader.cxx
+++ b/vv/vvImageReader.cxx
@@ -167,14 +167,14 @@ void vvImageReader::ReadMatImageTransform()
     
     itk::Matrix<double, 4, 4> itkMat = clitk::ReadMatrix3D(filename);
     
-    vtkSmartPointer<vtkTransform> transform = vtkSmartPointer<vtkTransform>::New();
-    transform->Identity();
+    vtkSmartPointer<vtkMatrix4x4> matrix = vtkSmartPointer<vtkMatrix4x4>::New();
+    matrix->Identity();
     for(int j=0; j<4; j++)
       for(int i=0; i<4; i++)
-        transform->GetMatrix()->SetElement(j,i,itkMat[j][i]);
+        matrix->SetElement(j,i,itkMat[j][i]);
 
     mImage->GetTransform()->PostMultiply();
-    mImage->GetTransform()->Concatenate(transform->GetMatrix());
+    mImage->GetTransform()->Concatenate(matrix);
     mImage->GetTransform()->Update();
   }
 }
-- 
2.47.1