add include

[clitk.git] / vv / vvSlicer.cxx

diff --git a/vv/vvSlicer.cxx b/vv/vvSlicer.cxx
index ed53d2c83b138c600eeabf680da7edd775854cbc..dd585636c5a76227817ec14cc8ded56fd548f132 100644 (file)
--- a/vv/vvSlicer.cxx
+++ b/vv/vvSlicer.cxx
@@ -1170,7 +1170,6 @@ void vvSlicer::SetRenderWindow(int orientation, vtkRenderWindow * rw)
   this->SetupInteractor(rw->GetInteractor());
   ca->SetImageActor(this->GetImageActor());
   ca->SetWindowLevel(this->GetWindowLevel());
-  ca->SetText(2, "<slice>");
   ca->SetText(3, "<window>\n<level>");
 
   double bounds[6];
@@ -1307,14 +1306,16 @@ double vvSlicer::GetOverlayColorLevel()
 //----------------------------------------------------------------------------
 void vvSlicer::SetOverlayColorWindow(double window)
 {
-  mOverlayMapper->SetWindow(window);
+  if(mOverlayMapper)
+    mOverlayMapper->SetWindow(window);
 }
 //----------------------------------------------------------------------------
 
 //----------------------------------------------------------------------------
 void vvSlicer::SetOverlayColorLevel(double level)
 {
-  mOverlayMapper->SetLevel(level);
+  if(mOverlayMapper)
+    mOverlayMapper->SetLevel(level);
 }
 //----------------------------------------------------------------------------
 
@@ -1446,6 +1447,10 @@ void vvSlicer::Render()
                              << std::endl;
     }
     ca->SetText(1,worldPos.str().c_str());
+
+    std::stringstream slicePos;
+    slicePos << "Slice: " << this->GetSlice();
+    ca->SetText(2, slicePos.str().c_str());
   }
 
   if (pdmA->GetVisibility()) {