diff --git a/Rendering/vtkRenderer.cxx b/Rendering/vtkRenderer.cxx
index cab64f5..047165f 100644
--- a/Rendering/vtkRenderer.cxx
+++ b/Rendering/vtkRenderer.cxx
@@ -117,6 +117,7 @@ vtkRenderer::vtkRenderer()
   this->OcclusionRatio=0.0;
   this->MaximumNumberOfPeels=4;
   this->LastRenderingUsedDepthPeeling=0;
+  this->PickTranslucent=0;
 }
 
 vtkRenderer::~vtkRenderer()
@@ -1759,6 +1760,25 @@ int vtkRenderer::UpdateGeometryForSelection()
       return 0; 
     }        
 
+  // Check if there is translucent geometry
+  // do the render library specific stuff about translucent polygonal geometry.
+  // As it can be expensive, do a quick check if we can skip this step
+  int hasTranslucentPolygonalGeometry=0;
+  if(PickTranslucent)
+  {
+    for ( i = 0; !hasTranslucentPolygonalGeometry && i < this->PropArrayCount;
+          i++ )
+      { 
+      hasTranslucentPolygonalGeometry=
+        this->PropArray[i]->HasTranslucentPolygonalGeometry();
+      }
+    // Have to be set before a call to UpdateTranslucentPolygonalGeometry()
+    // because UpdateTranslucentPolygonalGeometry() will eventually call
+    // vtkOpenGLActor::Render() that uses this flag.
+    if(hasTranslucentPolygonalGeometry)
+      this->LastRenderingUsedDepthPeeling=0;
+  }
+
   // loop through props and give them a chance to 
   // render themselves as opaque geometry
   for ( i = 0; i < this->PropArrayCount; i++ )
@@ -1786,6 +1806,8 @@ int vtkRenderer::UpdateGeometryForSelection()
       {
       this->NumberOfPropsRendered += 
         this->PropArray[i]->RenderOpaqueGeometry(this);
+      if(hasTranslucentPolygonalGeometry != 0 && this->PropArray[i]->HasTranslucentPolygonalGeometry())
+        this->PropArray[i]->RenderTranslucentPolygonalGeometry(this);
       }
 
     //restore the prop's original settings
diff --git a/Rendering/vtkRenderer.h b/Rendering/vtkRenderer.h
index 9bcf0ae..3540c89 100644
--- a/Rendering/vtkRenderer.h
+++ b/Rendering/vtkRenderer.h
@@ -425,6 +425,12 @@ public:
   // actually used depth peeling.
   // Initial value is false.
   vtkGetMacro(LastRenderingUsedDepthPeeling,int);
+
+  // Description:
+  // Turn on/off the selection of translucents actors.
+  vtkSetMacro(PickTranslucent,int);
+  vtkGetMacro(PickTranslucent,int);
+  vtkBooleanMacro(PickTranslucent,int);
   
 protected:
   vtkRenderer();
@@ -571,6 +577,9 @@ protected:
   // actually used depth peeling.
   // Initial value is false.
   int LastRenderingUsedDepthPeeling;
+
+  // Tells if the translucent actors can be picked.
+  int PickTranslucent;
   
   // VISIBLE CELL SELECTION ----------------------------------------
   //BTX