Merge topic 'release-vtkAssembly-GetBounds-adds-uninitialized-bounds' into release

8732680a Fix for BUG0013829: vtkAssembly::GetBounds adds bounds which are unintialized.

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: Ken Martin <ken.martin@kitware.com>
Merge-request: !5337

Rendering/Core/vtkAssembly.cxx

@@ -369,7 +369,6 @@ double *vtkAssembly::GetBounds()
     vtkProp3D* prop3D = static_cast<vtkProp3D *>(path->GetLastNode()->GetViewProp());
     if (prop3D->GetVisibility() && prop3D->GetUseBounds())
     {
-      propVisible = 1;
       prop3D->PokeMatrix(path->GetLastNode()->GetMatrix());
       const double* bounds = prop3D->GetBounds();
       prop3D->PokeMatrix(nullptr);
@@ -379,6 +378,8 @@ double *vtkAssembly::GetBounds()
       {
         continue;
       }
+      // Only set the prop as visibile if atleast one prop has a valid bounds
+      propVisible = 1;
 
       double bbox[24];
       // fill out vertices of a bounding box