From 38dd416ced963d59510861edee66c0960a29715a Mon Sep 17 00:00:00 2001
From: AndreaRigoni <andrea.rigoni@igi.cnr.it>
Date: Sat, 7 Mar 2026 09:07:07 +0000
Subject: [PATCH] vix raytracer representation

---
 src/Math/VoxRaytracer.h                                  | 9 ++++++++-
 .../HEP/MuonTomography/testing/vtkVoxRaytracerTest.cpp   | 2 +-
 .../HEP/MuonTomography/vtkVoxRaytracerRepresentation.cpp | 3 ++-
 3 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/src/Math/VoxRaytracer.h b/src/Math/VoxRaytracer.h
index 098c7da..6c9debd 100644
--- a/src/Math/VoxRaytracer.h
+++ b/src/Math/VoxRaytracer.h
@@ -63,9 +63,16 @@ public:
 
     inline size_t Count() const { return this->m_Count; }
 
+    inline size_t size() const { return this->m_Count; }
+
     inline const Scalarf &TotalLength() const { return this->m_TotalLength; }
 
-    inline void SetCount(size_t c) { this->m_Count = c; }
+    inline void SetCount(size_t c) {
+      this->m_Count = c;
+      if (this->m_Data.size() != c) {
+        this->m_Data.resize(c);
+      }
+    }
 
     inline void SetTotalLength(Scalarf tl) { this->m_TotalLength = tl; }
 
diff --git a/src/Vtk/HEP/MuonTomography/testing/vtkVoxRaytracerTest.cpp b/src/Vtk/HEP/MuonTomography/testing/vtkVoxRaytracerTest.cpp
index 04bc919..be4d220 100644
--- a/src/Vtk/HEP/MuonTomography/testing/vtkVoxRaytracerTest.cpp
+++ b/src/Vtk/HEP/MuonTomography/testing/vtkVoxRaytracerTest.cpp
@@ -62,7 +62,7 @@ public:
     if (annotation) {
       sprintf(str, "total length = %f", vtk_raytr->GetRay().TotalLength());
       annotation->SetText(1, str);
-      for (int i = 0; i < vtk_raytr->GetRay().Data().size(); ++i) {
+      for (int i = 0; i < vtk_raytr->GetRay().size(); ++i) {
         std::cout << "L[" << i << "] = " << vtk_raytr->GetRay().Data().at(i).L
                   << "\n";
       }
diff --git a/src/Vtk/HEP/MuonTomography/vtkVoxRaytracerRepresentation.cpp b/src/Vtk/HEP/MuonTomography/vtkVoxRaytracerRepresentation.cpp
index 7e5293b..2f36157 100644
--- a/src/Vtk/HEP/MuonTomography/vtkVoxRaytracerRepresentation.cpp
+++ b/src/Vtk/HEP/MuonTomography/vtkVoxRaytracerRepresentation.cpp
@@ -249,13 +249,14 @@ void vtkVoxRaytracerRepresentation::SetRay(VoxRaytracer::RayData *ray) {
     Vector3i idv = m_Content->GetImage()->UnMap(id);
     vtkSmartPointer<vtkCubeSource> cube = vtkSmartPointer<vtkCubeSource>::New();
     cube->SetBounds(idv(0), idv(0) + 1, idv(1), idv(1) + 1, idv(2), idv(2) + 1);
-#if VTK_MAJOR_VERSION <= 5
     cube->Update();
+#if VTK_MAJOR_VERSION <= 5
     appender->AddInput(cube->GetOutput());
 #else
     appender->AddInputData(cube->GetOutput());
 #endif
   }
+  appender->Modified();
 }
 
 void vtkVoxRaytracerRepresentation::SetVoxelsColor(Vector4f rgba) {