X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=lib%2FcpExtensions%2FQT%2FSimpleMPRWidget.cxx;h=7e338bc0b77c486e8f2c813f3f20383b838e0580;hb=f47059eb39b5c9eef5cd2ee1b6c013cd75eff97f;hp=62b92961f849085c0d37804565a73641544f6d4b;hpb=dc1614d6180dbb97486870a379ae73e2c70525a1;p=cpPlugins.git

diff --git a/lib/cpExtensions/QT/SimpleMPRWidget.cxx b/lib/cpExtensions/QT/SimpleMPRWidget.cxx
index 62b9296..7e338bc 100644
--- a/lib/cpExtensions/QT/SimpleMPRWidget.cxx
+++ b/lib/cpExtensions/QT/SimpleMPRWidget.cxx
@@ -3,45 +3,56 @@
 #ifdef cpExtensions_QT4
 
 #include <cpExtensions/ui_SimpleMPRWidget.h>
+#include <vtkRenderer.h>
+#include <vtkRenderWindow.h>
 
-#include <vtkProperty.h>
-#include <vtkRendererCollection.h>
+// -------------------------------------------------------------------------
+cpExtensions::QT::SimpleMPRWidget::_3DInteractorStyle*
+cpExtensions::QT::SimpleMPRWidget::_3DInteractorStyle::
+New( )
+{
+  return( new _3DInteractorStyle( ) );
+}
 
-double cpExtensions::QT::SimpleMPRWidget::
-cm_Colors[ 8 ][ 3 ] =
+// -------------------------------------------------------------------------
+void cpExtensions::QT::SimpleMPRWidget::_3DInteractorStyle::
+OnKeyPress( )
 {
-  { 1.0, 0.0, 0.0 },
-  { 0.0, 1.0, 0.0 },
-  { 0.0, 0.0, 1.0 },
-  { 0.0, 1.0, 1.0 },
-  { 1.0, 0.0, 1.0 },
-  { 1.0, 1.0, 0.0 },
-  { 1.0, 0.5, 0.0 },
-  { 1.0, 0.0, 0.5 }
-};
+  vtkRenderWindowInteractor* i = this->Interactor;
+  std::string key = i->GetKeySym( );
+  if( key == "r" || key == "R" )
+  {
+    this->CurrentRenderer->ResetCamera( );
+    i->Render( );
+
+  } // fi
+}
 
 // -------------------------------------------------------------------------
 cpExtensions::QT::SimpleMPRWidget::
 SimpleMPRWidget( QWidget* parent )
   : QWidget( parent ),
-    m_UI( new Ui::SimpleMPRWidget ),
-    m_MainImage( "" )
+    m_UI( new Ui::SimpleMPRWidget )
 {
   this->m_UI->setupUi( this );
 
   // Configure VTK widgets
-  this->m_VTK[ 0 ] = this->m_UI->VTK01;
-  this->m_VTK[ 1 ] = this->m_UI->VTK00;
-  this->m_VTK[ 2 ] = this->m_UI->VTK10;
-  this->m_VTK[ 3 ] = this->m_UI->VTK11;
-
-  this->m_MPRObjects = vtkSmartPointer< TMPRObjects >::New( );
-  this->m_MPRObjects->SetRenderWindows(
-    this->m_VTK[ 0 ]->GetRenderWindow( ),
-    this->m_VTK[ 1 ]->GetRenderWindow( ),
-    this->m_VTK[ 2 ]->GetRenderWindow( ),
-    this->m_VTK[ 3 ]->GetRenderWindow( )
-    );
+  this->m_VTK[ 0 ] = this->m_UI->VTK_X;
+  this->m_VTK[ 1 ] = this->m_UI->VTK_Y;
+  this->m_VTK[ 2 ] = this->m_UI->VTK_Z;
+  this->m_VTK[ 3 ] = this->m_UI->VTK_3D;
+  for( unsigned int i = 0; i < 4; ++i )
+  {
+    this->m_Renderers[ i ] = vtkSmartPointer< vtkRenderer >::New( );
+    this->m_VTK[ i ]->GetRenderWindow( )->
+      AddRenderer( this->m_Renderers[ i ] );
+
+  } // rof
+  vtkSmartPointer< _3DInteractorStyle > style =
+    vtkSmartPointer< _3DInteractorStyle >::New( );
+  this->m_VTK[ 3 ]->GetRenderWindow( )->
+    GetInteractor( )->SetInteractorStyle( style );
+  style->SetCurrentRenderer( this->m_Renderers[ 3 ] );
 
   // Connect slots
   QObject::connect(
@@ -58,255 +69,251 @@ SimpleMPRWidget( QWidget* parent )
 cpExtensions::QT::SimpleMPRWidget::
 ~SimpleMPRWidget( )
 {
+  this->Clear( );
   delete this->m_UI;
 }
 
 // -------------------------------------------------------------------------
-unsigned int cpExtensions::QT::SimpleMPRWidget::
-GetNumberOfData( ) const
+void cpExtensions::QT::SimpleMPRWidget::
+Clear( )
 {
-  return( this->m_Data.size( ) );
+  for( unsigned int i = 0; i < 4; ++i )
+    this->m_Renderers[ i ]->RemoveAllViewProps( );
+  for( unsigned int i = 0; i < 3; ++i )
+  {
+    if( this->m_2DSlices[ i ].GetPointer( ) != NULL )
+      this->m_2DSlices[ i ]->Clear( );
+    if( this->m_3DSlices[ i ].GetPointer( ) != NULL )
+      this->m_3DSlices[ i ]->Clear( );
+
+  } // rof
+  this->m_NamedActors.clear( );
 }
 
 // -------------------------------------------------------------------------
-bool cpExtensions::QT::SimpleMPRWidget::
-AddData(
-  vtkImageData* data, const std::string& name,
-  const std::string& parent
-  )
+void cpExtensions::QT::SimpleMPRWidget::
+SetMainImage( vtkImageData* image, const std::string& name )
 {
-  if( name == "" )
-    return( false );
-
-  auto iIt = this->m_Data.find( name );
-  if( iIt == this->m_Data.end( ) )
+  this->Clear( );
+  for( unsigned int i = 0; i < 3; ++i )
   {
-    if( parent != "" )
-    {
-      auto pIt = this->m_Data.find( parent );
-      if( pIt == this->m_Data.end( ) )
-        return( false );
+    this->m_2DSlices[ i ] = vtkSmartPointer< TSliceActors >::New( );
+    this->m_2DSlices[ i ]->SetInputData( image, i );
+    this->m_2DSlices[ i ]->PushInto( this->m_Renderers[ i ] );
+    this->m_VTK[ i ]->GetRenderWindow( )->GetInteractor( )->
+      SetInteractorStyle( this->m_2DSlices[ i ]->GetStyle( ) );
+
+    this->m_3DSlices[ i ] = vtkSmartPointer< TSliceActors >::New( );
+    this->m_3DSlices[ i ]->SetInputData( image, i );
+    this->m_3DSlices[ i ]->PushInto( this->m_Renderers[ 3 ] );
+    this->m_3DSlices[ i ]->SetStyle(
+      dynamic_cast< vtkInteractorStyle* >(
+        this->m_Renderers[ 3 ]->GetRenderWindow( )->
+        GetInteractor( )->GetInteractorStyle( )
+        )
+      );
 
-    } // fi
+    this->m_NamedActors[ name ].insert(
+      this->m_2DSlices[ i ]->GetImageActor( )
+      );
+    this->m_NamedActors[ name ].insert(
+      this->m_3DSlices[ i ]->GetImageActor( )
+      );
 
-    // Add new data
-    this->m_Data[ name ].SetImageData( data );
+  } // rof
+  this->_AssociateSlices( );
+}
 
-    // Set color
-    auto iIt = this->m_Data.find( name );
-    if( iIt != this->m_Data.end( ) )
+// -------------------------------------------------------------------------
+void cpExtensions::QT::SimpleMPRWidget::
+SetMainActor( vtkImageActor* actor, const std::string& name )
+{
+  this->Clear( );
+  vtkImageData* image = NULL;
+  for( unsigned int i = 0; i < 3; ++i )
+  {
+    this->m_2DSlices[ i ] = vtkSmartPointer< TSliceActors >::New( );
+    if( i == 0 )
     {
-      vtkActor* actor =
-        dynamic_cast< vtkActor* >( iIt->second.GetMeshActor( ) );
-      if( actor != NULL )
-      {
-        unsigned int idx = this->m_Data.size( ) % 8;
-        actor->GetProperty( )->SetColor(
-          Self::cm_Colors[ idx ][ 0 ],
-          Self::cm_Colors[ idx ][ 1 ],
-          Self::cm_Colors[ idx ][ 2 ]
-          );
-
-      } // fi
+      this->m_2DSlices[ i ]->SetInputActor( actor, i );
+      image = this->m_2DSlices[ i ]->GetInputData( );
+    }
+    else
+      this->m_2DSlices[ i ]->SetInputData( image, i );
+    this->m_2DSlices[ i ]->PushInto( this->m_Renderers[ i ] );
+    this->m_VTK[ i ]->GetRenderWindow( )->GetInteractor( )->
+      SetInteractorStyle( this->m_2DSlices[ i ]->GetStyle( ) );
+
+    this->m_3DSlices[ i ] = vtkSmartPointer< TSliceActors >::New( );
+    this->m_3DSlices[ i ]->SetInputData( image, i );
+    this->m_3DSlices[ i ]->PushInto( this->m_Renderers[ 3 ] );
+    this->m_3DSlices[ i ]->SetStyle(
+      dynamic_cast< vtkInteractorStyle* >(
+        this->m_Renderers[ 3 ]->GetRenderWindow( )->
+        GetInteractor( )->GetInteractorStyle( )
+        )
+      );
 
-    } // fi
+    this->m_NamedActors[ name ].insert(
+      this->m_2DSlices[ i ]->GetImageActor( )
+      );
+    this->m_NamedActors[ name ].insert(
+      this->m_3DSlices[ i ]->GetImageActor( )
+      );
 
-    // Add to tree view
-    // TODO: this->_UpdateTreeItem( name, parent );
-    return( true );
-  }
-  else
-    return( false );
+  } // rof
+  this->_AssociateSlices( );
 }
 
 // -------------------------------------------------------------------------
-bool cpExtensions::QT::SimpleMPRWidget::
-AddData( vtkPolyData* data, const std::string& name )
+void cpExtensions::QT::SimpleMPRWidget::
+AddImage( vtkImageData* image, const std::string& name )
 {
-  if( name == "" )
-    return( false );
+  std::cerr << "SimpleMPR: adding image" << std::endl;
+  std::exit( 1 );
+}
 
-  auto iIt = this->m_Data.find( name );
-  if( iIt == this->m_Data.end( ) )
+// -------------------------------------------------------------------------
+void cpExtensions::QT::SimpleMPRWidget::
+AddImageActor( vtkImageActor* actor, const std::string& name )
+{
+  unsigned int i = 0;
+  bool cont = true;
+  while( i < 3 && cont )
   {
-    // Add new data
-    this->m_Data[ name ].SetPolyData( data );
-
-    // Set color
-    auto iIt = this->m_Data.find( name );
-    if( iIt != this->m_Data.end( ) )
+    if( this->m_2DSlices[ i ].GetPointer( ) != NULL )
     {
-      vtkActor* actor =
-        dynamic_cast< vtkActor* >( iIt->second.GetMeshActor( ) );
-      if( actor != NULL )
+      if( this->m_2DSlices[ i ]->GetImageActor( ) != NULL )
       {
-        unsigned int idx = this->m_Data.size( ) % 8;
-        actor->GetProperty( )->SetColor(
-          Self::cm_Colors[ idx ][ 0 ],
-          Self::cm_Colors[ idx ][ 1 ],
-          Self::cm_Colors[ idx ][ 2 ]
-          );
-
-      } // fi
+        // TODO: add image actor
+      }
+      else
+        cont = false;
 
     } // fi
+    i++;
 
-    // Add to tree view
-    // TODO: this->_UpdateTreeItem( name, parent );
-    return( true );
-  }
-  else
-    return( false );
-}
+  } // rof
 
-// -------------------------------------------------------------------------
-const std::string& cpExtensions::QT::SimpleMPRWidget::
-GetMainImage( ) const
-{
-  return( this->m_MainImage );
+  // Add if no actors were found
+  if( cont )
+    this->SetMainActor( actor, name );
 }
 
 // -------------------------------------------------------------------------
-bool cpExtensions::QT::SimpleMPRWidget::
-SetMainImage( const std::string& name )
+void cpExtensions::QT::SimpleMPRWidget::
+AddMesh( vtkPolyData* mesh, const std::string& name )
 {
-  auto iIt = this->m_Data.find( name );
-  if( iIt != this->m_Data.end( ) )
-  {
-    if( iIt->second.Tag == Data::IMAGE )
-    {
-      this->m_MainImage = name;
-      return( true );
-    }
-    else
-      return( false );
-  }
-  else
-    return( false );
+  std::cerr << "SimpleMPR: adding mesh" << std::endl;
+  std::exit( 1 );
+  /* TODO
+     PolyDataActor a;
+     a.Configure( mesh );
+     this->m_PolyDatas[ mesh ] = a;
+     this->m_Renderers[ 3 ]->AddViewProp( a.Actor );
+
+     bool has_main_image = false;
+     for( unsigned int i = 0; i < 3; ++i )
+     {
+     if( this->m_2DSlices[ i ].GetPointer( ) != NULL )
+     {
+     if( this->m_2DSlices[ i ]->GetInputData( ) != NULL )
+     {
+     has_main_image = true;
+     this->m_2DSlices[ i ]->AddMesh( mesh );
+     this->m_2DSlices[ i ]->Render( );
+
+     } // fi
+
+     } // fi
+
+     } // rof
+     if( !has_main_image )
+     this->m_Renderers[ 3 ]->ResetCamera( );
+     this->m_VTK[ 3 ]->GetRenderWindow( )->Render( );
+  */
 }
 
 // -------------------------------------------------------------------------
 void cpExtensions::QT::SimpleMPRWidget::
-DeleteData( const std::string& name )
+AddMeshActor( vtkProp3D* actor, const std::string& name )
 {
-  auto iIt = this->m_Data.find( name );
-  if( iIt != this->m_Data.end( ) )
+  if( actor != NULL )
   {
-    this->m_Data.erase( iIt );
-
-    // Get children
-    std::vector< std::string > to_erase;
-    auto tIt = this->m_Tree.begin( );
-    for( ; tIt != this->m_Tree.end( ); ++tIt )
-      if( tIt->second == name )
-        to_erase.push_back( tIt->first );
-
-    // Delete from tree
-    tIt = this->m_Tree.find( name );
-    if( tIt != this->m_Tree.end( ) )
-      this->m_Tree.erase( tIt );
-
-    // Recursive erase
-    auto dIt = to_erase.begin( );
-    for( ; dIt != to_erase.end( ); ++dIt )
-      this->DeleteData( *dIt );
-
-    // Delete from tree widget
-    /* TODO
-       QTreeWidgetItem* item = this->_FindItemInTree( name );
-       if( item != NULL )
-       this->m_UI->LoadedData->removeItemWidget( item, 0 );
-    */
-
-    // Reset main image, just in case
-    if( this->m_Data.size( ) == 0 )
-      this->m_MainImage = "";
+    std::cout << name << " " << actor << std::endl;
+
+    this->m_Renderers[ 3 ]->AddViewProp( actor );
+    this->m_VTK[ 3 ]->GetRenderWindow( )->Render( );
+    this->m_NamedActors[ name ].insert( actor );
+    std::cout << "Size: " << this->m_NamedActors.size( ) << " " << this->m_NamedActors[ name ].size( ) << std::endl;
+
+
+    double bounds[ 6 ];
+    this->m_Renderers[ 3 ]->ComputeVisiblePropBounds( bounds );
+    std::cout
+      << bounds[ 0 ] << " " << bounds[ 1 ] << " "
+      << bounds[ 2 ] << " " << bounds[ 3 ] << " "
+      << bounds[ 4 ] << " " << bounds[ 5 ] << std::endl;
 
   } // fi
 }
 
 // -------------------------------------------------------------------------
 void cpExtensions::QT::SimpleMPRWidget::
-DeleteAllData( )
+AddActor( vtkProp* actor, const std::string& name )
 {
-  this->m_MPRObjects->Clear( );
-  this->m_Data.clear( );
-  this->m_Tree.clear( );
-  // TODO: this->m_UI->LoadedData->clear( );
-  this->m_MainImage = "";
+  auto ia = dynamic_cast< vtkImageActor* >( actor );
+  if( ia == NULL )
+  {
+    auto ma = dynamic_cast< vtkProp3D* >( actor );
+    if( ma != NULL )
+      this->AddMeshActor( ma, name );
+  }
+  else
+    this->AddImageActor( ia, name );
 }
 
 // -------------------------------------------------------------------------
-void cpExtensions::QT::SimpleMPRWidget::
-SetDataColor(
-  const std::string& name, const double& r, const double& g, const double& b
-  )
+const cpExtensions::QT::SimpleMPRWidget::
+TActors& cpExtensions::QT::SimpleMPRWidget::
+GetActors( const std::string& name ) const
 {
-  /*
-    auto iIt = this->m_Data.find( name );
-    if( iIt == this->m_Data.end( ) )
-    return;
-
-    if( iIt->second.Tag == Data::IMAGE )
-    {
-    }
-    else if( iIt->second.Tag == Data::MESH )
-    {
-    } // fi
-  */
+  static const TActors empty;
+  auto i = this->m_NamedActors.find( name );
+  if( i != this->m_NamedActors.end( ) )
+    return( i->second );
+  else
+    return( empty );
 }
 
 // -------------------------------------------------------------------------
-void cpExtensions::QT::SimpleMPRWidget::
-ShowData( const std::string& name )
+vtkRenderWindowInteractor* cpExtensions::QT::SimpleMPRWidget::
+GetInteractor( unsigned int i )
 {
-  auto iIt = this->m_Data.find( name );
-  if( iIt == this->m_Data.end( ) )
-    return;
-
-  if( iIt->second.Tag == Data::IMAGE )
-  {
-    if( name == this->m_MainImage )
-      this->m_MPRObjects->SetInputImage( iIt->second.Image );
-    else
-    {
-      unsigned int i = ( this->m_MPRObjects->GetNumberOfImages( ) - 1 ) % 8;
-      this->m_MPRObjects->AddBinaryImage(
-        iIt->second.Image,
-        Self::cm_Colors[ i ][ 0 ],
-        Self::cm_Colors[ i ][ 1 ],
-        Self::cm_Colors[ i ][ 2 ]
-        );
-    }
-    this->m_MPRObjects->Show( );
-  }
-  else if( iIt->second.Tag == Data::MESH )
-  {
-    vtkRenderer* ren =
-      this->m_VTK[ 3 ]->GetRenderWindow( )->
-      GetRenderers( )->GetFirstRenderer( );
-    if( ren == NULL )
-      return;
-    ren->AddActor( iIt->second.GetMeshActor( ) );
-    this->m_VTK[ 3 ]->GetRenderWindow( )->Render( );
-
-  } // fi
+  if( i < 4 )
+    return( this->m_VTK[ i ]->GetRenderWindow( )->GetInteractor( ) );
+  else
+    return( NULL );
 }
 
 // -------------------------------------------------------------------------
-void cpExtensions::QT::SimpleMPRWidget::
-HideData( const std::string& name )
+vtkRenderer* cpExtensions::QT::SimpleMPRWidget::
+GetRenderer( unsigned int i )
 {
+  if( i < 4 )
+    return( this->m_Renderers[ i ] );
+  else
+    return( NULL );
 }
 
 // -------------------------------------------------------------------------
-vtkRenderWindowInteractor* cpExtensions::QT::SimpleMPRWidget::
-GetInteractor( unsigned int i )
+vtkRenderWindow* cpExtensions::QT::SimpleMPRWidget::
+GetRenderWindow( unsigned int i )
 {
   if( i < 4 )
   {
-    if( this->m_VTK[ i ] != NULL )
-      return( this->m_VTK[ i ]->GetInteractor( ) );
+    if( this->m_Renderers[ i ].GetPointer( ) != NULL )
+      return( this->m_Renderers[ i ]->GetRenderWindow( ) );
     else
       return( NULL );
   }
@@ -315,171 +322,71 @@ GetInteractor( unsigned int i )
 }
 
 // -------------------------------------------------------------------------
-/*
-  bool cpExtensions::QT::SimpleMPRWidget::
-  ShowImage(
-  vtkImageData* image,
-  const std::string& name,
-  const std::string& parent
-  )
-  {
-  // Update tree view
-  QTreeWidgetItem* new_item = this->_UpdateTreeItem( name, parent );
-  if( new_item == NULL )
-  return( false );
-
-  // Associate new data
-  this->m_Images[ name ] = image;
-  this->m_Tree[ name ] = parent;
-
-  // Show image and return
-  this->m_MPRObjects->AddImage( image );
-  return( true );
-  }
-
-  // -------------------------------------------------------------------------
-  bool cpExtensions::QT::SimpleMPRWidget::
-  ShowImage(
-  vtkImageData* image,
-  const std::string& name,
-  const std::string& parent,
-  const double& r, const double& g, const double& b
-  )
-  {
-  // Update tree view
-  QTreeWidgetItem* new_item = this->_UpdateTreeItem( name, parent );
-  if( new_item == NULL )
-  return( false );
-
-  // Associate new data
-  this->m_Images[ name ] = image;
-  this->m_Tree[ name ] = parent;
-
-  // Show image and return
-  this->m_MPRObjects->AddImage( image );
-  return( true );
-  }
-
-  // -------------------------------------------------------------------------
-  bool cpExtensions::QT::SimpleMPRWidget::
-  ShowMesh(
-  vtkPolyData* mesh,
-  const std::string& name,
-  const std::string& parent
-  )
-  {
-  // Update tree view
-  QTreeWidgetItem* new_item = this->_UpdateTreeItem( name, parent );
-  if( new_item == NULL )
-  return( false );
-
-  // Associate new data
-  PolyDataActor* actor = new PolyDataActor( mesh );
-  this->m_Meshes[ name ] = actor;
-  this->m_Tree[ name ] = parent;
-
-  // Show mesh
-  this->_Add3DActor( actor->Actor );
-  return( true );
-  }
-
-  // -------------------------------------------------------------------------
-  bool cpExtensions::QT::SimpleMPRWidget::
-  ShowMesh(
-  vtkPolyData* mesh,
-  const std::string& name,
-  const std::string& parent,
-  const double& r, const double& g, const double& b
-  )
-  {
-  return false;
-  }
-
-  // -------------------------------------------------------------------------
-  void cpExtensions::QT::SimpleMPRWidget::
-  ClearAll( )
-  {
-  this->m_MPRObjects->ClearAll( );
-  this->m_Images.clear( );
-  this->m_Meshes.clear( );
-  }
+/* TODO
+   std::vector< std::pair< vtkImageActor*, vtkRenderer* > >
+   cpExtensions::QT::SimpleMPRWidget::
+   GetMainImageActors( )
+   {
+   std::vector< std::pair< vtkImageActor*, vtkRenderer* > > actors;
+   for( unsigned int i = 0; i < 3; ++i )
+   {
+   actors.push_back(
+   std::pair< vtkImageActor*, vtkRenderer* >(
+   this->m_2DSlices[ i ]->GetImageActor( ),
+   this->m_Renderers[ i ]
+   )
+   );
+   actors.push_back(
+   std::pair< vtkImageActor*, vtkRenderer* >(
+   this->m_3DSlices[ i ]->GetImageActor( ),
+   this->m_Renderers[ 3 ]
+   )
+   );
+
+   } // rof
+   return( actors );
+   }
 */
 
-// -------------------------------------------------------------------------
-std::string cpExtensions::QT::SimpleMPRWidget::
-GetSelectedData( ) const
-{
-  /* TODO
-     QTreeWidgetItem* item = this->m_UI->LoadedData->currentItem( );
-     if( item != NULL )
-     return( item->text( 0 ).toStdString( ) );
-     else
-  */
-  return( "" );
-}
-
 // -------------------------------------------------------------------------
 /* TODO
-QTreeWidgetItem* cpExtensions::QT::SimpleMPRWidget::
-_FindItemInTree( const std::string& name ) const
-{
-  QList< QTreeWidgetItem* > items =
-    this->m_UI->LoadedData->findItems(
-      name.c_str( ), Qt::MatchExactly | Qt::MatchRecursive
-      );
-  if( items.size( ) > 0 )
-    return( items[ 0 ] );
-  else
-    return( NULL );
-}
+   vtkActor* cpExtensions::QT::SimpleMPRWidget::
+   GetActor( vtkPolyData* mesh )
+   {
+   auto i = this->m_PolyDatas.find( mesh );
+   if( i != this->m_PolyDatas.end( ) )
+   return( i->second.Actor.GetPointer( ) );
+   else
+   return( NULL );
+   }
+*/
 
 // -------------------------------------------------------------------------
-QTreeWidgetItem* cpExtensions::QT::SimpleMPRWidget::
-_UpdateTreeItem( const std::string& name, const std::string& parent )
+void cpExtensions::QT::SimpleMPRWidget::
+_AssociateSlices( )
 {
-  // Update tree view
-  QTreeWidgetItem* new_item = NULL;
-  if( parent != "" )
+  for( unsigned int i = 0; i < 3; ++i )
   {
-    QTreeWidgetItem* parent_item = this->_FindItemInTree( parent );
-    if( parent_item != NULL )
+    for( unsigned int j = 0; j < 3; ++j )
     {
-      QTreeWidgetItem* old_item = this->_FindItemInTree( name );
-      if( old_item == NULL )
-      {
-        new_item =
-          new QTreeWidgetItem( parent_item, QStringList( name.c_str( ) ) );
-        parent_item->setExpanded( true );
+      if( i != j )
+        this->m_2DSlices[ i ]->AssociateSlice( this->m_2DSlices[ j ] );
+      this->m_2DSlices[ i ]->AssociateSlice( this->m_3DSlices[ j ] );
 
-      } // fi
+    } // rof
 
-    } // fi
-  }
-  else
+  } // rof
+  for( unsigned int i = 0; i < 3; ++i )
   {
-    new_item = new QTreeWidgetItem(
-      ( QTreeWidgetItem* )( NULL ), QStringList( name.c_str( ) )
-      );
-    this->m_UI->LoadedData->addTopLevelItem( new_item );
+    this->m_2DSlices[ i ]->GetStyle( )->
+      SetCurrentRenderer( this->m_Renderers[ i ] );
+    this->m_Renderers[ i ]->ResetCamera( );
+    this->m_VTK[ i ]->GetRenderWindow( )->Render( );
 
-  } // fi
-  return( new_item );
-}
-*/
-
-// -------------------------------------------------------------------------
-/*
-  void cpExtensions::QT::SimpleMPRWidget::
-  _Add3DActor( vtkProp3D* prop )
-  {
-  vtkRenderer* ren =
-  this->m_VTK[ 3 ]->GetRenderWindow( )->GetRenderers( )->GetFirstRenderer( );
-  if( ren == NULL )
-  return;
-  ren->AddActor( prop );
+  } // rof
+  this->m_Renderers[ 3 ]->ResetCamera( );
   this->m_VTK[ 3 ]->GetRenderWindow( )->Render( );
-  }
-*/
+}
 
 // -------------------------------------------------------------------------
 void cpExtensions::QT::SimpleMPRWidget::
@@ -495,128 +402,6 @@ _SyncTop( int a, int b )
   this->m_UI->TopSplitter->setSizes( this->m_UI->BottomSplitter->sizes( ) );
 }
 
-// -------------------------------------------------------------------------
-cpExtensions::QT::SimpleMPRWidget::PolyDataActor::
-PolyDataActor( )
-  : Mesh( NULL ),
-    Normals( NULL ),
-    Stripper( NULL ),
-    Mapper( NULL ),
-    Actor( NULL )
-{
-}
-
-// -------------------------------------------------------------------------
-cpExtensions::QT::SimpleMPRWidget::PolyDataActor::
-~PolyDataActor( )
-{
-  if( this->Actor != NULL )    this->Actor->Delete( );
-  if( this->Mapper != NULL )   this->Mapper->Delete( );
-  if( this->Stripper != NULL ) this->Stripper->Delete( );
-  if( this->Normals != NULL )  this->Normals->Delete( );
-}
-
-// -------------------------------------------------------------------------
-void cpExtensions::QT::SimpleMPRWidget::PolyDataActor::
-Configure( vtkPolyData* pd )
-{
-  if( pd ==  NULL )
-    return;
-
-  double range[ 2 ];
-  pd->GetScalarRange( range );
-
-  this->Normals = vtkPolyDataNormals::New( );
-  this->Stripper = vtkStripper::New( );
-  this->Mapper = vtkPolyDataMapper::New( );
-  this->Actor = vtkQuadricLODActor::New( );
-
-  this->Mesh = pd;
-  this->Normals->SetInputData( pd );
-  this->Normals->SetFeatureAngle( 60.0 );
-  this->Stripper->SetInputConnection( this->Normals->GetOutputPort( ) );
-  this->Mapper->SetInputConnection( this->Stripper->GetOutputPort( ) );
-  this->Mapper->UseLookupTableScalarRangeOff( );
-  this->Mapper->SetScalarRange(
-    range[ 0 ], ( ( range[ 1 ] - range[ 0 ] ) * 0.75 ) + range[ 0 ]
-    );
-  this->Actor->SetMapper( this->Mapper );
-  this->Actor->DeferLODConstructionOff( );
-}
-
-// -------------------------------------------------------------------------
-cpExtensions::QT::SimpleMPRWidget::Data::
-Data( )
-{
-  this->Tag = Data::IMAGE;
-  this->Image = NULL;
-}
-
-// -------------------------------------------------------------------------
-cpExtensions::QT::SimpleMPRWidget::Data::
-~Data( )
-{
-}
-
-// -------------------------------------------------------------------------
-cpExtensions::QT::SimpleMPRWidget::
-Data& cpExtensions::QT::SimpleMPRWidget::Data::
-operator=( const Data& data )
-{
-  this->Tag = data.Tag;
-  if( this->Tag == Data::IMAGE )
-    this->Image = data.Image;
-  else if( this->Tag == Data::MESH )
-    this->Mesh = data.Mesh;
-  return( *this );
-}
-
-// -------------------------------------------------------------------------
-void cpExtensions::QT::SimpleMPRWidget::Data::
-SetImageData( vtkImageData* data )
-{
-  this->Tag = Data::IMAGE;
-  this->Image = data;
-}
-
-// -------------------------------------------------------------------------
-void cpExtensions::QT::SimpleMPRWidget::Data::
-SetPolyData( vtkPolyData* data )
-{
-  this->Tag = Data::MESH;
-  this->Mesh.Configure( data );
-}
-
-// -------------------------------------------------------------------------
-vtkImageData* cpExtensions::QT::SimpleMPRWidget::Data::
-GetImage( )
-{
-  if( this->Tag == Data::IMAGE )
-    return( this->Image );
-  else
-    return( NULL );
-}
-
-// -------------------------------------------------------------------------
-vtkPolyData* cpExtensions::QT::SimpleMPRWidget::Data::
-GetMesh( )
-{
-  if( this->Tag == Data::MESH )
-    return( this->Mesh.Mesh );
-  else
-    return( NULL );
-}
-
-// -------------------------------------------------------------------------
-vtkProp* cpExtensions::QT::SimpleMPRWidget::Data::
-GetMeshActor( )
-{
-  if( this->Tag == Data::MESH )
-    return( this->Mesh.Actor );
-  else
-    return( NULL );
-}
-
 #endif // cpExtensions_QT4
 
 // eof - $RCSfile$