From 74239248be7a5478e7beb10b2df15831cd3759a9 Mon Sep 17 00:00:00 2001
From: srit <srit>
Date: Thu, 3 Mar 2011 14:01:15 +0000
Subject: [PATCH] Compose transformation in .mat with current transformation

---
 vv/vvImageReader.cxx | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/vv/vvImageReader.cxx b/vv/vvImageReader.cxx
index d0db598..0076bf7 100644
--- a/vv/vvImageReader.cxx
+++ b/vv/vvImageReader.cxx
@@ -166,9 +166,16 @@ void vvImageReader::ReadMatImageTransform()
     f.close();
     
     itk::Matrix<double, 4, 4> itkMat = clitk::ReadMatrix3D(filename);
+    
+    vtkSmartPointer<vtkTransform> transform = vtkSmartPointer<vtkTransform>::New();
+    transform->Identity();
     for(int j=0; j<4; j++)
       for(int i=0; i<4; i++)
-        mImage->GetTransform()->GetMatrix()->SetElement(j,i,itkMat[j][i]);
+        transform->GetMatrix()->SetElement(j,i,itkMat[j][i]);
+
+    mImage->GetTransform()->PostMultiply();
+    mImage->GetTransform()->Concatenate(transform->GetMatrix());
+    mImage->GetTransform()->Update();
   }
 }
 //------------------------------------------------------------------------------
-- 
2.47.1