diff --git a/library/VTKExtensions/Applicative/Testing/TestF3DObjectFactory.cxx b/library/VTKExtensions/Applicative/Testing/TestF3DObjectFactory.cxx
index 14263571c8..118a275741 100644
--- a/library/VTKExtensions/Applicative/Testing/TestF3DObjectFactory.cxx
+++ b/library/VTKExtensions/Applicative/Testing/TestF3DObjectFactory.cxx
@@ -50,6 +50,7 @@ int TestF3DObjectFactory(int argc, char* argv[])
 
 #if VTK_VERSION_NUMBER >= VTK_VERSION_CHECK(9, 3, 20240202)
   vtkNew<vtkPointGaussianMapper> pointMapper;
+  pointMapper->Print(cout);
   vtkF3DPointSplatMapper* pointMapperPtr = vtkF3DPointSplatMapper::SafeDownCast(pointMapper);
   if (pointMapperPtr == nullptr)
   {
diff --git a/library/VTKExtensions/Rendering/Testing/TestF3DBitonicSort.cxx b/library/VTKExtensions/Rendering/Testing/TestF3DBitonicSort.cxx
index e792559c4b..b255e7ea62 100644
--- a/library/VTKExtensions/Rendering/Testing/TestF3DBitonicSort.cxx
+++ b/library/VTKExtensions/Rendering/Testing/TestF3DBitonicSort.cxx
@@ -27,18 +27,18 @@ int TestF3DBitonicSort(int argc, char* argv[])
     return EXIT_SUCCESS;
   }
 
-  constexpr int nbElements = 1e5;
+  constexpr int nbElements = 10000;
 
   // fill CPU keys and values buffers
-  std::array<unsigned int, nbElements> keys;
-  std::array<unsigned int, nbElements> values;
+  std::vector<double> keys(nbElements);
+  std::vector<int> values(nbElements);
 
   std::random_device dev;
   std::mt19937 rng(dev());
-  std::uniform_int_distribution<unsigned int> dist(0, 100 * nbElements);
+  std::uniform_real_distribution<double> dist(0.0, 1.0);
 
   std::generate(std::begin(keys), std::end(keys), [&]() { return dist(rng); });
-  std::fill(std::begin(values), std::end(values), -1); // we do not care about the values
+  std::fill(std::begin(values), std::end(values), 0); // we do not care about the values
 
   // upload these buffers to the GPU
   vtkNew<vtkOpenGLBufferObject> bufferKeys;
@@ -49,7 +49,7 @@ int TestF3DBitonicSort(int argc, char* argv[])
 
   // sort
   vtkNew<vtkF3DBitonicSort> sorter;
-  sorter->Initialize(128, VTK_UNSIGNED_INT, VTK_UNSIGNED_INT);
+  sorter->Initialize(128, VTK_DOUBLE, VTK_INT);
   sorter->Run(vtkOpenGLRenderWindow::SafeDownCast(renWin), nbElements, bufferKeys, bufferValues);
 
   // download sorted key buffer to CPU
diff --git a/library/VTKExtensions/Rendering/vtkF3DBitonicSort.cxx b/library/VTKExtensions/Rendering/vtkF3DBitonicSort.cxx
index 174e4d290c..51671c2ef8 100644
--- a/library/VTKExtensions/Rendering/vtkF3DBitonicSort.cxx
+++ b/library/VTKExtensions/Rendering/vtkF3DBitonicSort.cxx
@@ -14,6 +14,8 @@
 #include "vtkF3DBitonicSortLocalDisperseCS.h"
 #include "vtkF3DBitonicSortLocalSortCS.h"
 
+#include <sstream>
+
 //----------------------------------------------------------------------------
 vtkStandardNewMacro(vtkF3DBitonicSort);
 
@@ -26,7 +28,7 @@ void vtkF3DBitonicSort::Initialize(int workgroupSize, int keyType, int valueType
     return;
   }
 
-  auto toShaderType = [](int vtkType) -> std::string
+  auto GetStringShaderType = [](int vtkType) -> std::string
   {
     switch (vtkType)
     {
@@ -42,14 +44,14 @@ void vtkF3DBitonicSort::Initialize(int workgroupSize, int keyType, int valueType
     return "";
   };
 
-  std::string keyTypeShader = toShaderType(keyType);
+  std::string keyTypeShader = GetStringShaderType(keyType);
   if (keyTypeShader.empty())
   {
     vtkErrorMacro("Invalid keyType");
     return;
   }
 
-  std::string valueTypeShader = toShaderType(valueType);
+  std::string valueTypeShader = GetStringShaderType(valueType);
   if (valueTypeShader.empty())
   {
     vtkErrorMacro("Invalid valueType");
diff --git a/library/VTKExtensions/Rendering/vtkF3DPointSplatMapper.cxx b/library/VTKExtensions/Rendering/vtkF3DPointSplatMapper.cxx
index 9253ae045f..c711a74d66 100644
--- a/library/VTKExtensions/Rendering/vtkF3DPointSplatMapper.cxx
+++ b/library/VTKExtensions/Rendering/vtkF3DPointSplatMapper.cxx
@@ -26,6 +26,9 @@ class vtkF3DSplatMapperHelper : public vtkOpenGLPointGaussianMapperHelper
   static vtkF3DSplatMapperHelper* New();
   vtkTypeMacro(vtkF3DSplatMapperHelper, vtkOpenGLPointGaussianMapperHelper);
 
+  vtkF3DSplatMapperHelper(const vtkF3DSplatMapperHelper&) = delete;
+  void operator=(const vtkF3DSplatMapperHelper&) = delete;
+
 protected:
   vtkF3DSplatMapperHelper();
 
@@ -36,9 +39,6 @@ class vtkF3DSplatMapperHelper : public vtkOpenGLPointGaussianMapperHelper
   void RenderPieceDraw(vtkRenderer* ren, vtkActor* act) override;
 
 private:
-  vtkF3DSplatMapperHelper(const vtkF3DSplatMapperHelper&) = delete;
-  void operator=(const vtkF3DSplatMapperHelper&) = delete;
-
   void SortSplats(vtkRenderer* ren);
 
   vtkNew<vtkShader> DepthComputeShader;
diff --git a/plugins/native/module/vtkF3DSplatReader.h b/plugins/native/module/vtkF3DSplatReader.h
index 28fcc2f69d..24a4fb7cbd 100644
--- a/plugins/native/module/vtkF3DSplatReader.h
+++ b/plugins/native/module/vtkF3DSplatReader.h
@@ -17,13 +17,10 @@ class vtkF3DSplatReader : public vtkPolyDataAlgorithm
   vtkTypeMacro(vtkF3DSplatReader, vtkPolyDataAlgorithm);
   void PrintSelf(ostream& os, vtkIndent indent) override;
 
-  ///@{
   /**
-   * Get/Set the file name.
+   * Set the file name.
    */
   vtkSetMacro(FileName, std::string);
-  vtkGetMacro(FileName, std::string);
-  ///@}
 
 protected:
   vtkF3DSplatReader();