diff --git a/vtkm/rendering/ConnectivityProxy.cxx b/vtkm/rendering/ConnectivityProxy.cxx
index bae1f3778..2f32d7919 100644
--- a/vtkm/rendering/ConnectivityProxy.cxx
+++ b/vtkm/rendering/ConnectivityProxy.cxx
@@ -126,6 +126,9 @@ public:
   VTKM_CONT
   void SetCompositeBackground(bool on) { CompositeBackground = on; }
 
+  VTKM_CONT
+  void SetDebugPrints(bool on) { Tracer->SetDebugOn(on); }
+
   VTKM_CONT
   void SetEmissionField(const std::string& fieldName)
   {
@@ -347,5 +350,10 @@ void ConnectivityProxy::Trace(const vtkm::rendering::Camera& camera,
 
   logger->CloseLogEntry(-1.0);
 }
+VTKM_CONT
+void ConnectivityProxy::SetDebugPrints(bool on)
+{
+  Internals->SetDebugPrints(on);
+}
 }
 } // namespace vtkm::rendering
diff --git a/vtkm/rendering/ConnectivityProxy.h b/vtkm/rendering/ConnectivityProxy.h
index 18e80ffea..fec9634a7 100644
--- a/vtkm/rendering/ConnectivityProxy.h
+++ b/vtkm/rendering/ConnectivityProxy.h
@@ -56,6 +56,7 @@ public:
   void SetScalarRange(const vtkm::Range& range);
   void SetColorMap(vtkm::cont::ArrayHandle<vtkm::Vec<vtkm::Float32, 4>>& colormap);
   void SetCompositeBackground(bool on);
+  void SetDebugPrints(bool on);
 
   vtkm::Bounds GetSpatialBounds();
   vtkm::Range GetScalarRange();
diff --git a/vtkm/rendering/raytracing/ConnectivityBase.h b/vtkm/rendering/raytracing/ConnectivityBase.h
index 405553223..6e119b056 100644
--- a/vtkm/rendering/raytracing/ConnectivityBase.h
+++ b/vtkm/rendering/raytracing/ConnectivityBase.h
@@ -61,6 +61,7 @@ public:
   virtual void SetColorMap(
     const vtkm::cont::ArrayHandle<vtkm::Vec<vtkm::Float32, 4>>& colorMap) = 0;
 
+  virtual void SetDebugOn(bool on) = 0;
 }; // class ConnectivityBase
 }
 }
diff --git a/vtkm/rendering/raytracing/ConnectivityTracerBase.cxx b/vtkm/rendering/raytracing/ConnectivityTracerBase.cxx
index 3aac2b62b..73965cb11 100644
--- a/vtkm/rendering/raytracing/ConnectivityTracerBase.cxx
+++ b/vtkm/rendering/raytracing/ConnectivityTracerBase.cxx
@@ -31,6 +31,7 @@ namespace raytracing
 {
 ConnectivityTracerBase::ConnectivityTracerBase()
   : ConnectivityBase()
+  , CountRayStatus(false)
 {
 }
 
@@ -38,6 +39,11 @@ ConnectivityTracerBase::~ConnectivityTracerBase()
 {
 }
 
+void ConnectivityTracerBase::SetDebugOn(bool on)
+{
+  CountRayStatus = on;
+}
+
 void ConnectivityTracerBase::Init()
 {
   //
diff --git a/vtkm/rendering/raytracing/ConnectivityTracerBase.h b/vtkm/rendering/raytracing/ConnectivityTracerBase.h
index 908ce8667..ffcfec658 100644
--- a/vtkm/rendering/raytracing/ConnectivityTracerBase.h
+++ b/vtkm/rendering/raytracing/ConnectivityTracerBase.h
@@ -65,6 +65,8 @@ public:
 
   void SetSampleDistance(const vtkm::Float32& distance) override;
 
+  void SetDebugOn(bool on) override;
+
 protected:
   vtkm::cont::Field ScalarField;
   vtkm::cont::Field EmissionField;