#3472 merge vtk8itk5wx3-mingw64

diff --cc kernel/src/bbtkWt.h
index 5fd982a66761e6808d395864c41aa5b4a2ef9367,360260f85e0c96cedff0f004a12d3218e3f7e224..011f5980a8f1d4a014c56afb81c67e0a009f5441
--- 1/kernel/src/bbtkWt.h
--- 2/kernel/src/bbtkWt.h
+++ b/kernel/src/bbtkWt.h
@@@ -150,9 -150,9 +150,10 @@@ namespace bbt
      // The keyword 'signals' is also a macro in qt
      //    typedef boost::signals::trackable SignalObserver;
  
 +//EED 2020-04-21
  //    typedef boost::signals::trackable SignalObserver;
  //    typedef boost::signal<void ()>  Signal_type;
 -
++      
      typedef boost::signals2::trackable SignalObserver;
      typedef boost::signals2::signal<void ()>  Signal_type;
  

diff --cc packages/vtk/src/bbvtkPolyDataToActor.cxx
index c0fa2088e1ec3cb1243028150c806150b23a31e0,0002d6c097da8fa273ae7dbd89099e41b5fa8359..1ec9ff2cd7c62fa3cb42c76e7607a2ad88479175
--- 1/packages/vtk/src/bbvtkPolyDataToActor.cxx
--- 2/packages/vtk/src/bbvtkPolyDataToActor.cxx
+++ b/packages/vtk/src/bbvtkPolyDataToActor.cxx
@@@ -79,9 -85,10 +85,10 @@@ namespace bbvt
     {   
       polydatamapper = vtkPolyDataMapper::New();
       vtkactor       = vtkActor::New();
 -
  //     polydatamapper->SetInput(marchingcubes->GetOutput());
       vtkactor->SetMapper(polydatamapper);
+ 
 +//EED 2020-04-21 vtk8 deprecated
  //     polydatamapper->ImmediateModeRenderingOn();
     }