From 35ad6a2af5b7b0f93d342f7d10d5d669e92ca6d5 Mon Sep 17 00:00:00 2001
From: Leonardo Florez-Valencia <florez-l@javeriana.edu.co>
Date: Thu, 26 Nov 2015 09:43:12 -0500
Subject: [PATCH] Interactive filters synchronization debugged

---
 lib/cpPlugins/Interface/Image.hxx | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/lib/cpPlugins/Interface/Image.hxx b/lib/cpPlugins/Interface/Image.hxx
index 8c31dca..5b675b2 100644
--- a/lib/cpPlugins/Interface/Image.hxx
+++ b/lib/cpPlugins/Interface/Image.hxx
@@ -116,6 +116,7 @@ void cpPlugins::Interface::Image::
 _ITK_2_VTK( itk::Object* object )
 {
   typedef itk::Image< P, D > _I;
+  typedef itk::ImageToVTKImageFilter< _I > _I2Vtk;
 
   // Check if input object has the desired type
   _I* image = dynamic_cast< _I* >( object );
@@ -123,14 +124,20 @@ _ITK_2_VTK( itk::Object* object )
     return;
 
   // Connect it to VTK
-  typename itk::ImageToVTKImageFilter< _I >::Pointer f =
-    itk::ImageToVTKImageFilter< _I >::New( );
+  _I2Vtk* f =
+    dynamic_cast< _I2Vtk* >( this->m_ITKvVTKConnection.GetPointer( ) );
+  if( f == NULL )
+  {
+    typename _I2Vtk::Pointer nf = _I2Vtk::New( );
+    this->m_ITKvVTKConnection = nf;
+    f = nf.GetPointer( );
+
+  } // fi
   f->SetInput( image );
   f->Update( );
 
-  // Keep objects
+  // Keep object track
   this->m_VTKObject = f->GetOutput( );
-  this->m_ITKvVTKConnection = f;
 }
 
 #ifndef cpPlugins_Interface_EXPORTS
-- 
2.47.1