diff --git a/src/Vtk/Math/testing/vtkVoxImageInteractiveTest.cpp b/src/Vtk/Math/testing/vtkVoxImageInteractiveTest.cpp
index 42d6bfc..a2e67ac 100644
--- a/src/Vtk/Math/testing/vtkVoxImageInteractiveTest.cpp
+++ b/src/Vtk/Math/testing/vtkVoxImageInteractiveTest.cpp
@@ -43,6 +43,12 @@ void KeyPressCallbackFunction(vtkObject* caller, long unsigned int eventId, void
         for (auto* img : state->images) img->SetRepresentation(Vtk::Puppet::Surface);
         state->viewer->GetRenderWindow()->Render();
     }
+    else if (key >= "0" && key <= "5") {
+        int preset = key[0] - '0';
+        std::cout << "--> Switching all images to Rendering Preset " << preset << std::endl;
+        for (auto* img : state->images) img->setShadingPreset(preset);
+        state->viewer->GetRenderWindow()->Render();
+    }
 }
 
 int main(int argc, char** argv) {
@@ -118,7 +124,14 @@ int main(int argc, char** argv) {
     std::cout << " [RIGHT] Axes Gradient (Composite)" << std::endl;
     std::cout << "-----------------------------------------" << std::endl;
     std::cout << " Press [w] to show Wireframe Bounding Boxes" << std::endl;
-    std::cout << " Press [s] to switch back to Volume Rendering" << std::endl;
+    std::cout << " Press [s] to show Volume Rendering" << std::endl;
+    std::cout << " Press [0..5] to switch Rendering Presets:" << std::endl;
+    std::cout << "   0: MIP (Grayscale)" << std::endl;
+    std::cout << "   1: Composite (Grayscale)" << std::endl;
+    std::cout << "   2: Composite (Shaded)" << std::endl;
+    std::cout << "   3: CT Bone/Tissue (Bone colors)" << std::endl;
+    std::cout << "   4: MIP (Rainbow)" << std::endl;
+    std::cout << "   5: Additive (Total path sum)" << std::endl;
     std::cout << " Press [q] to quit" << std::endl;
     std::cout << "=========================================" << std::endl;
 
diff --git a/src/Vtk/Math/vtkVoxImage.cpp b/src/Vtk/Math/vtkVoxImage.cpp
index 3d36d74..c0b29d8 100644
--- a/src/Vtk/Math/vtkVoxImage.cpp
+++ b/src/Vtk/Math/vtkVoxImage.cpp
@@ -256,6 +256,19 @@ void vtkVoxImage::setShadingPreset(int blendType) {
     property->SetSpecularPower(10.0);
     property->SetScalarOpacityUnitDistance(0.8919);
     break;
+  case 4:
+    colorFun->AddRGBPoint(0.0, 0, 0, 1); // Blue
+    colorFun->AddRGBPoint(level, 0, 1, 0); // Green
+    colorFun->AddRGBPoint(level + 0.5*window, 1, 1, 0); // Yellow
+    colorFun->AddRGBPoint(level + window, 1, 0, 0); // Red
+    opacityFun->AddSegment(level - 0.5 * window, 0.0, level + 0.5 * window, 1.0);
+    mapper->SetBlendModeToMaximumIntensity();
+    break;
+  case 5:
+    colorFun->AddRGBSegment(0.0, 1.0, 1.0, 1.0, 255.0, 1.0, 1.0, 1.0);
+    opacityFun->AddSegment(level - 0.5 * window, 0.0, level + 0.5 * window, 1.0);
+    mapper->SetBlendModeToAdditive();
+    break;
   default:
     vtkGenericWarningMacro("Unknown blend type.");
     break;