From a1acb6a4338137b9f1fefab3803f07b75eac6c84 Mon Sep 17 00:00:00 2001
From: tbaudier <thomas.baudier@creatis.insa-lyon.fr>
Date: Tue, 23 May 2017 16:45:05 +0200
Subject: [PATCH] Debug RTStruct offset in z direction with vtk6

---
 common/clitkDicomRTStruct2ImageFilter.cxx | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/common/clitkDicomRTStruct2ImageFilter.cxx b/common/clitkDicomRTStruct2ImageFilter.cxx
index fcc9e2b..96fdea7 100644
--- a/common/clitkDicomRTStruct2ImageFilter.cxx
+++ b/common/clitkDicomRTStruct2ImageFilter.cxx
@@ -221,11 +221,13 @@ void clitk::DicomRTStruct2ImageFilter::Update()
   vtkSmartPointer<vtkLinearExtrusionFilter> extrude=vtkSmartPointer<vtkLinearExtrusionFilter>::New();
 #if VTK_MAJOR_VERSION <= 5
   extrude->SetInput(mesh);
+  ///We extrude in the -slice_spacing direction to respect the FOCAL convention (NEEDED !)
+  extrude->SetVector(0, 0, -0.5*mSpacing[2]);
 #else
   extrude->SetInputData(mesh);
-#endif
   ///We extrude in the -slice_spacing direction to respect the FOCAL convention (NEEDED !)
-  extrude->SetVector(0, 0, -mSpacing[2]);
+  extrude->SetVector(0, 0, 0.5*mSpacing[2]);
+#endif
 
   // Binarization
   vtkSmartPointer<vtkPolyDataToImageStencil> sts=vtkSmartPointer<vtkPolyDataToImageStencil>::New();
-- 
2.47.1