From d778edf8022ef3c25aec6d4c38c07a671c40bf9b Mon Sep 17 00:00:00 2001
From: Vivien Delmon <vivien.delmon@creatis.insa-lyon.fr>
Date: Wed, 19 Oct 2011 11:25:51 +0200
Subject: [PATCH] Add Extrude option to clitkMeshToBinaryImageFilter

- Set default value to true for backward compatibility
---
 itk/clitkMeshToBinaryImageFilter.h   |  4 ++++
 itk/clitkMeshToBinaryImageFilter.txx | 17 +++++++++++------
 2 files changed, 15 insertions(+), 6 deletions(-)

diff --git a/itk/clitkMeshToBinaryImageFilter.h b/itk/clitkMeshToBinaryImageFilter.h
index 86c6f0f..acecc38 100644
--- a/itk/clitkMeshToBinaryImageFilter.h
+++ b/itk/clitkMeshToBinaryImageFilter.h
@@ -74,6 +74,9 @@ namespace clitk {
     itkSetMacro(LikeImage, ImagePointer);
     itkGetConstMacro(LikeImage, ImagePointer);
 
+    itkSetMacro(Extrude, bool);
+    itkGetMacro(Extrude, bool);
+
   protected:
     MeshToBinaryImageFilter();
     virtual ~MeshToBinaryImageFilter() {}
@@ -81,6 +84,7 @@ namespace clitk {
     virtual void GenerateOutputInformation();
     virtual void GenerateData();
 
+    bool m_Extrude;
     ImagePointer m_LikeImage;
     vtkSmartPointer<vtkPolyData> m_Mesh;
 
diff --git a/itk/clitkMeshToBinaryImageFilter.txx b/itk/clitkMeshToBinaryImageFilter.txx
index be482f5..94424b8 100644
--- a/itk/clitkMeshToBinaryImageFilter.txx
+++ b/itk/clitkMeshToBinaryImageFilter.txx
@@ -30,7 +30,7 @@
 //--------------------------------------------------------------------
 template <class ImageType>
 clitk::MeshToBinaryImageFilter<ImageType>::
-MeshToBinaryImageFilter():itk::ImageSource<ImageType>()
+MeshToBinaryImageFilter() : itk::ImageSource<ImageType>(), m_Extrude(true)
 {
 }
 //--------------------------------------------------------------------
@@ -102,11 +102,16 @@ GenerateData()
   sts->SetInformationInput(binary_image);
     
   // Extrusion
-  vtkSmartPointer<vtkLinearExtrusionFilter> extrude=vtkSmartPointer<vtkLinearExtrusionFilter>::New();
-  extrude->SetInput(m_Mesh);
-  // We extrude in the -slice_spacing direction to respect the FOCAL convention 
-  extrude->SetVector(0, 0, -m_LikeImage->GetSpacing()[2]);
-  sts->SetInput(extrude->GetOutput());
+  if (m_Extrude)
+  {
+    vtkSmartPointer<vtkLinearExtrusionFilter> extrude=vtkSmartPointer<vtkLinearExtrusionFilter>::New();
+    extrude->SetInput(m_Mesh);
+    // We extrude in the -slice_spacing direction to respect the FOCAL convention 
+    extrude->SetVector(0, 0, -m_LikeImage->GetSpacing()[2]);
+    sts->SetInput(extrude->GetOutput());
+  }
+  else
+    sts->SetInput(m_Mesh);
 
   // Stencil
   vtkSmartPointer<vtkImageStencil> stencil=vtkSmartPointer<vtkImageStencil>::New();
-- 
2.47.1