]> Creatis software - cpPlugins.git/blobdiff - appli/ImageMPR/ImageMPR.cxx
sphere widget done, finally
[cpPlugins.git] / appli / ImageMPR / ImageMPR.cxx
index c4729f65cc2efeeab9d18bdc90521b939147f8c9..ce1f2fc769c7f39232d3902adbb18353cb367936 100644 (file)
 #include "ImageMPR.h"
 #include "ui_ImageMPR.h"
 
+#include <QFileInfo>
+#include <QMessageBox>
+
+// -------------------------------------------------------------------------
+#define ImageMPR_ConnectAction( ACTION )                \
+  QObject::connect(                                     \
+    this->m_UI->a##ACTION, SIGNAL( triggered( ) ),      \
+    this, SLOT( _a##ACTION( ) )                         \
+    )
+
+// -------------------------------------------------------------------------
+ImageMPR::
+ImageMPR( QWidget* parent )
+  : QMainWindow( parent ),
+    m_UI( new Ui::ImageMPR )
+{
+  this->m_UI->setupUi( this );
+  this->m_Plugins.SetWidget( this );
+  this->m_Plugins.SetApplication( this );
+
+  // Connect actions
+  ImageMPR_ConnectAction( OpenImage );
+  ImageMPR_ConnectAction( OpenDICOMSeries );
+  ImageMPR_ConnectAction( OpenSegmentation );
+  ImageMPR_ConnectAction( OpenPolyData );
+  ImageMPR_ConnectAction( SaveImage );
+  ImageMPR_ConnectAction( SaveSegmentation );
+  ImageMPR_ConnectAction( SavePolyData );
+  ImageMPR_ConnectAction( Undo );
+  ImageMPR_ConnectAction( Redo );
+  ImageMPR_ConnectAction( LoadPlugins );
+  ImageMPR_ConnectAction( ShowPlugins );
+
+  // Associate model with view
+  for( unsigned int i = 0; i < 4; ++i )
+    this->m_Plugins.AddInteractor( this->m_UI->MPR->GetInteractor( i ) );
+
+  // Try to load default plugins
+  QStringList args = QApplication::arguments( );
+  QFileInfo info( args.at( 0 ) );
+  this->m_Plugins.LoadPluginsPath(
+    info.absolutePath( ).toStdString( ), true
+    );
+
+  // Put loaded plugins into menu
+  this->_AssociatePluginsToMenu( );
+}
+
+// -------------------------------------------------------------------------
+ImageMPR::
+~ImageMPR( )
+{
+  delete this->m_UI;
+}
+
+// -------------------------------------------------------------------------
+void ImageMPR::
+UpdateActualFilter( )
+{
+  if( !( this->m_Plugins.HasActiveFilter( ) ) )
+    return;
+
+  // Update filter
+  TPlugins::TStringContainer outputs;
+  if(
+    !(
+      this->m_Plugins.UpdateActiveFilter(
+        outputs, this->m_ActiveFilterMainInput
+        )
+      )
+    )
+    return;
+
+  // Show outputs
+  for( auto oIt = outputs.begin( ); oIt != outputs.end( ); ++oIt )
+    std::cout << *oIt << std::endl;
+  
+  /* TODO
+     std::vector< std::string > outputs;
+     std::string err = this->m_Plugins->UpdateActiveFilter( outputs );
+     if( err == "" )
+     {
+     for( auto oIt = outputs.begin( ); oIt != outputs.end( ); ++oIt )
+     {
+     TPlugins::TImage* image = this->m_Plugins->GetImage( *oIt );
+     if( image != NULL )
+     {
+     vtkImageData* vimage = image->GetVTK< vtkImageData >( );
+     if( vimage != NULL )
+     {
+     this->m_UI->MPR->AddImage(
+     vimage, *oIt, this->m_Plugins->GetParent( *oIt )
+     );
+     this->m_UI->MPR->ShowData( *oIt );
+
+     } // fi
+     continue;
+
+     } // fi
+
+     TPlugins::TMesh* mesh = this->m_Plugins->GetMesh( *oIt );
+     if( mesh != NULL )
+     {
+     this->m_Plugins->BlockWidget( );
+     this->m_UI->MPR->AddMesh(
+     mesh->GetVTK< vtkPolyData >( ),
+     *oIt,
+     this->m_Plugins->GetParent( *oIt )
+     );
+     this->m_UI->MPR->ShowData( *oIt );
+     this->m_Plugins->UnblockWidget( );
+
+     } // fi
+
+     } // rof
+     }
+     else
+     {
+     QMessageBox::critical(
+     this,
+     tr( "Error executing filter" ),
+     tr( ( std::string( "Error caught: " ) + err ).c_str( ) )
+     );
+     return;
+
+     } // fi
+  */
+}
+
+// -------------------------------------------------------------------------
+void ImageMPR::
+_AssociatePluginsToMenu( )
+{
+  this->m_UI->MenuFilters->clear( );
+
+  TPlugins::TStringContainer categories;
+  this->m_Plugins.GetLoadedCategories( categories );
+  for( auto cIt = categories.begin( ); cIt != categories.end( ); ++cIt )
+  {
+    QMenu* category = this->m_UI->MenuFilters->addMenu( cIt->c_str( ) );
+    const TPlugins::TStringContainer& filters =
+      this->m_Plugins.GetLoadedFilters( *cIt );
+    for( auto fIt = filters.begin( ); fIt != filters.end( ); ++fIt )
+    {
+      QAction* filter = category->addAction( fIt->c_str( ) );
+      this->connect(
+        filter, SIGNAL( triggered( ) ),
+        this, SLOT( _execPlugin( ) )
+        );
+
+    } // rof
+
+  } // rof
+}
+
+// -------------------------------------------------------------------------
+#define ImageMPR_ReadImage( F )                                         \
+  this->m_UI->MPR->DeleteAllData( );                                    \
+  this->m_Plugins.ClearDataObjects( );                                  \
+  try                                                                   \
+  {                                                                     \
+    std::string name = this->m_Plugins.Read##F( "" );                   \
+    if( name == "" )                                                    \
+      return;                                                           \
+    TImage* image = this->m_Plugins.GetData< TImage >( name );          \
+    this->m_UI->MPR->AddData( image, name, "" );                        \
+    this->m_UI->MPR->ShowData( name );                                  \
+  }                                                                     \
+  catch( std::exception& err )                                          \
+  {                                                                     \
+    QMessageBox::critical(                                              \
+      this,                                                             \
+      QMessageBox::tr( "Error reading image." ),                        \
+      QMessageBox::tr( err.what( ) )                                    \
+      );                                                                \
+  }
+
+void ImageMPR::_aOpenImage( )       { ImageMPR_ReadImage( Image ) }
+void ImageMPR::_aOpenDICOMSeries( ) { ImageMPR_ReadImage( DicomSeries ) }
+
+// -------------------------------------------------------------------------
+void ImageMPR::
+_aOpenSegmentation( )
+{
+  /*
+    if( this->m_ImageLoaded != "" )
+    this->m_ImageLoaded = this->m_UI->MPR->LoadImage( );
+  */
+}
+
+// -------------------------------------------------------------------------
+void ImageMPR::
+_aOpenPolyData( )
+{
+}
+
+// -------------------------------------------------------------------------
+void ImageMPR::
+_aSaveImage( )
+{
+  /*
+    std::string data_name = this->m_UI->MPR->GetSelectedData( );
+    this->m_Plugins->WriteImage( data_name );
+  */
+}
+
+// -------------------------------------------------------------------------
+void ImageMPR::
+_aSaveSegmentation( )
+{
+}
+
+// -------------------------------------------------------------------------
+void ImageMPR::
+_aSavePolyData( )
+{
+}
+
+// -------------------------------------------------------------------------
+void ImageMPR::
+_aUndo( )
+{
+}
+
+// -------------------------------------------------------------------------
+void ImageMPR::
+_aRedo( )
+{
+}
+
+// -------------------------------------------------------------------------
+void ImageMPR::
+_aLoadPlugins( )
+{
+  this->m_Plugins.DialogLoadPlugins( );
+  this->_AssociatePluginsToMenu( );
+}
+
+// -------------------------------------------------------------------------
+void ImageMPR::
+_aShowPlugins( )
+{
+}
+
+// -------------------------------------------------------------------------
+void ImageMPR::
+_execPlugin( )
+{
+  // Get filter's name
+  QAction* action = dynamic_cast< QAction* >( this->sender( ) );
+  if( action == NULL )
+    return;
+  std::string filter_name = action->text( ).toStdString( );
+
+  // Activate filter
+  if( !( this->m_Plugins.ActivateFilter( filter_name ) ) )
+    return;
+
+  // Get IO names
+  TPlugins::TStringContainer inputs;
+  this->m_Plugins.GetActiveFilterInputsNames( inputs );
+
+  // Configure inputs
+  if( inputs.size( ) > 1 )
+  {
+    // TODO
+  }
+  else if( inputs.size( ) == 1 )
+  {
+    this->m_ActiveFilterMainInput = this->m_UI->MPR->GetSelectedData( );
+    this->m_Plugins.ConnectInputInActiveFilter(
+      this->m_ActiveFilterMainInput, *( inputs.begin( ) )
+      );
+
+  } // fi
+
+  // Configure paramereters
+  auto dlg_res = this->m_Plugins.ConfigureActiveFilter( );
+  if( dlg_res == TPlugins::TProcessObject::DialogResult_Cancel )
+  {
+    // Just deactivate filter, since it was canceled
+    this->m_Plugins.DeactivateFilter( );
+    return;
+  }
+  else if( dlg_res == TPlugins::TProcessObject::DialogResult_NoModal )
+  {
+    // Execute automatic filter and associate outputs
+    this->UpdateActualFilter( );
+    this->m_Plugins.DeactivateFilter( );
+
+  } // fi
+}
+
+// -------------------------------------------------------------------------
+/* TODO
+   void ImageMPR::
+   _CursorCommand( double* pos, int axis, void* data )
+   {
+   Self* app = reinterpret_cast< Self* >( data );
+   if( app == NULL )
+   return;
+   if( !( app->m_Flooding ) )
+   return;
+
+   cpPlugins::Interface::ProcessObject::Pointer filter =
+   app->m_UI->MPR->CreateFilter(
+   "cpPlugins::BasicFilters::FloodFillImageFilter"
+   );
+   if( filter.IsNull( ) )
+   return;
+
+   cpPlugins::Interface::Parameters* params = filter->GetParameters( );
+   params->SetPoint( "Seed", 3, pos );
+   params->SetReal( "Window", app->m_UI->MPR->GetWindow( ) );
+   params->SetReal( "Level", app->m_UI->MPR->GetLevel( ) );
+   params->SetUint( "InsideValue", 1 );
+   params->SetUint( "OutsideValue", 0 );
+   filter->SetInput( "Input", app->m_UI->MPR->GetImage( app->m_ImageLoaded ) );
+   app->m_UI->MPR->Block( );
+   std::string err = filter->Update( );
+   cpPlugins::Interface::BaseMPRWindow::TImage::Pointer image = filter->GetOutput< cpPlugins::Interface::BaseMPRWindow::TImage >( "Output" );
+   filter->DisconnectOutputs( );
+   app->m_UI->MPR->AddImage( "Segmentation", image );
+   app->m_UI->MPR->Unblock( );
+
+   std::cout
+   << "CursorCommand ==> "
+   << pos[ 0 ] << " "
+   << pos[ 1 ] << " "
+   << pos[ 2 ] << " : "
+   << axis << " "
+   << data << std::endl;
+   }
+*/
+
+/*
+#include "MementoState.h"
+
 #include <vtkProperty.h>
 #include <vtkRenderWindow.h>
+#include <vtkMetaImageReader.h>
 
-#include <QDialogButtonBox>
-#include <QDoubleSpinBox>
 #include <QFileDialog>
-#include <QLabel>
 #include <QMessageBox>
 
 #ifdef _WIN32
@@ -26,13 +362,18 @@ ImageMPR::ImageMPR( QWidget* parent )
     m_UI( new Ui::ImageMPR ),
     m_ImageReaderClass( "" ),
     m_ImageWriterClass( "" ),
-    m_InputImage( NULL ),
-    m_ParametersDlg( NULL )
+    m_MeshReaderClass( "" ),
+    m_MeshWriterClass( "" ),
+    m_MeshCutterClass( "" ),
+    m_Image( NULL ),
+       m_state(0),
+       m_max_state(0)
 {
   this->m_UI->setupUi( this );
 
   // Create and associate renderers
-  this->m_MPR = new TMPR(
+  this->m_MPRObjects = vtkSmartPointer< TMPRObjects >::New( );
+  this->m_MPRObjects->SetRenderWindows(
     this->m_UI->m_XPlaneVTK->GetRenderWindow( ),
     this->m_UI->m_YPlaneVTK->GetRenderWindow( ),
     this->m_UI->m_ZPlaneVTK->GetRenderWindow( ),
@@ -48,15 +389,32 @@ ImageMPR::ImageMPR( QWidget* parent )
     this->m_UI->actionOpenInputImage, SIGNAL( triggered( ) ),
     this, SLOT( _triggered_actionOpenInputImage( ) )
     );
+  QObject::connect(
+    this->m_UI->actionOpenSegmentation, SIGNAL( triggered( ) ),
+    this, SLOT( _triggered_actionOpenSegmentation( ) )
+    );
   QObject::connect(
     this->m_UI->actionOpenInputPolyData, SIGNAL( triggered( ) ),
     this, SLOT( _triggered_actionOpenInputPolyData( ) )
     );
+  QObject::connect(
+       this->m_UI->actionUndo, SIGNAL(triggered()),
+       this, SLOT(_triggered_actionUndo())
+       );
+  QObject::connect(
+       this->m_UI->actionRedo, SIGNAL(triggered()),
+       this, SLOT(_triggered_actionRedo())
+       );
 
   // Start: load all disponible plugins
   this->_LoadPlugins(
     std::string( PLUGIN_PREFIX ) +
-    std::string( "cpPlugins." ) +
+    std::string( "cpPluginsIO." ) +
+    std::string( PLUGIN_EXT )
+    );
+  this->_LoadPlugins(
+    std::string( PLUGIN_PREFIX ) +
+    std::string( "cpPluginsBasicFilters." ) +
     std::string( PLUGIN_EXT )
     );
 }
@@ -70,34 +428,26 @@ ImageMPR::
 
   // Delete objects
   delete this->m_UI;
-  delete this->m_MPR;
-  if( this->m_ParametersDlg != NULL )
-  {
-    this->m_ParametersDlg->close( );
-    delete this->m_ParametersDlg;
-
-  } // fi
 }
 
 // -------------------------------------------------------------------------
 bool ImageMPR::
 _LoadPlugins( const std::string& filename )
 {
+  QApplication::setOverrideCursor( Qt::WaitCursor );
+  this->setEnabled( false );
+
   this->m_ImageReaderClass = "";
   this->m_ImageWriterClass = "";
   this->m_MeshReaderClass = "";
   this->m_MeshWriterClass = "";
-  this->m_ImageToImageFilters.clear( );
-  this->m_ImageToMeshFilters.clear( );
+  this->m_MeshCutterClass = "";
+  this->m_UI->MenuImageToImage->clear( );
+  this->m_UI->MenuImageToMesh->clear( );
 
-  this->m_Plugins.UnloadAll( );
   if( !( this->m_Plugins.Load( filename ) ) )
-  {
-    this->m_Plugins.UnloadAll( );
     return( false );
 
-  } // fi
-
   typedef TPluginsInterface::TClasses _TClasses;
   _TClasses::const_iterator cIt = this->m_Plugins.GetClasses( ).begin( );
   for( ; cIt != this->m_Plugins.GetClasses( ).end( ); ++cIt )
@@ -114,9 +464,13 @@ _LoadPlugins( const std::string& filename )
       this->m_MeshReaderClass = name;
     else if( category == "MeshWriter" )
       this->m_MeshWriterClass = name;
+    else if( category == "MeshToMeshFilter" )
+    {
+      if( name.find_last_of( "Cutter" ) != std::string::npos )
+        this->m_MeshCutterClass = name;
+    }
     else if( category == "ImageToImageFilter" )
     {
-      this->m_ImageToImageFilters.insert( name );
       QAction* action =
         this->m_UI->MenuImageToImage->addAction( QString( name.c_str( ) ) );
       QObject::connect(
@@ -126,7 +480,6 @@ _LoadPlugins( const std::string& filename )
     }
     else if( category == "ImageToMeshFilter" )
     {
-      this->m_ImageToMeshFilters.insert( name );
       QAction* action =
         this->m_UI->MenuImageToMesh->addAction( QString( name.c_str( ) ) );
       QObject::connect(
@@ -137,160 +490,98 @@ _LoadPlugins( const std::string& filename )
     } // fi
 
   } // rof
+  QApplication::restoreOverrideCursor( );
+  this->setEnabled( true );
+
   return( true );
 }
 
 // -------------------------------------------------------------------------
-bool ImageMPR::
-_ParametersDialog( TPluginFilter* filter )
+std::string ImageMPR::
+_LoadImage( TPluginImage::Pointer& image )
 {
-  if( this->m_ParametersDlg != NULL )
-  { 
-    this->m_ParametersDlg->close( );
-    delete this->m_ParametersDlg;
+  std::string ret = "";
+  image = NULL;
 
-  } // fi
-  this->m_ParametersDlg = new QDialog( NULL );
-  this->m_ParametersDlg->setWindowFlags( Qt::FramelessWindowHint ); 
-  this->m_ParametersDlg->setWindowFlags( Qt::WindowTitleHint );
-
-  QGridLayout* gridLayout = new QGridLayout( this->m_ParametersDlg );
-  QVBoxLayout* verticalLayout = new QVBoxLayout( );
-
-  // Put a title
-  QLabel* title = new QLabel( this->m_ParametersDlg );
-  title->setText( filter->GetClassName( ).c_str( ) );
-  verticalLayout->addWidget( title );
-
-  // Put values
-  TParameters parameters = filter->GetDefaultParameters( );
-  std::vector< std::string > names = parameters.GetParameters( );
-  std::vector< std::string >::const_iterator nIt = names.begin( );
-  for( ; nIt != names.end( ); ++nIt )
+  // Get a reader from loaded plugins
+  TPluginFilter::Pointer reader =
+    this->m_Plugins.CreateProcessObject( this->m_ImageReaderClass );
+  if( reader.IsNotNull( ) )
   {
-    std::string par_name = *nIt;
-    TParameters::Type par_type = parameters.GetParameterType( par_name );
-
-    /* TODO
-       enum Type
-       {
-       String = 0,
-       Bool,
-       Int,
-       Uint,
-       Real,
-       Index,
-       Point,
-       StringList,
-       BoolList,
-       IntList,
-       UintList,
-       RealList,
-       IndexList,
-       PointList,
-       NoType
-       };
-    */
-    QHBoxLayout* horizontalLayout = new QHBoxLayout( );
-    QLabel* label = new QLabel( this->m_ParametersDlg );
-    label->setText( QString( par_name.c_str( ) ) );
-    horizontalLayout->addWidget( label );
-
-    QWidget* w_input = NULL;
-    if( par_type == TParameters::Uint )
-    {
-      QSpinBox* v_uint =
-        new QSpinBox( this->m_ParametersDlg );
-      v_uint->setMinimum( -100 );
-      v_uint->setMaximum( std::numeric_limits< int >::max( ) );
-      v_uint->setValue( parameters.GetValueAsUint( par_name ) );
-      v_uint->setObjectName( QString( par_name.c_str( ) ) );
-      w_input = v_uint;
-    }
-    else if( par_type == TParameters::Int )
+    if( reader->ExecConfigurationDialog( this ) )
     {
-      QSpinBox* v_int =
-        new QSpinBox( this->m_ParametersDlg );
-      v_int->setMinimum( -std::numeric_limits< int >::max( ) );
-      v_int->setMaximum( std::numeric_limits< int >::max( ) );
-      v_int->setValue( parameters.GetValueAsInt( par_name ) );
-      v_int->setObjectName( QString( par_name.c_str( ) ) );
-      w_input = v_int;
-    }
-    else if( par_type == TParameters::Real )
-    {
-      QDoubleSpinBox* v_double =
-        new QDoubleSpinBox( this->m_ParametersDlg );
-      v_double->setDecimals( 3 );
-      v_double->setMinimum( -( std::numeric_limits< double >::max( ) ) );
-      v_double->setMaximum( std::numeric_limits< double >::max( ) );
-      v_double->setValue( parameters.GetValueAsReal( par_name ) );
-      v_double->setObjectName( QString( par_name.c_str( ) ) );
-      w_input = v_double;
+      // Block application
+      QApplication::setOverrideCursor( Qt::WaitCursor );
+      this->setEnabled( false );
 
-    } // fi
+      // Execute and get error message, if any
+      ret = reader->Update( );
 
-    if( w_input != NULL )
-    {
-      horizontalLayout->addWidget( w_input );
-      verticalLayout->addLayout( horizontalLayout );
+      // Assign fresh image, if any
+      if( ret == "" )
+      {
+        image = reader->GetOutput< TPluginImage >( 0 );
+        reader->DisconnectOutputs( );
+
+      } // fi
+
+      // Unblock application
+      QApplication::restoreOverrideCursor( );
+      this->setEnabled( true );
 
     } // fi
+  }
+  else
+    ret = "No suitable reader object found in loaded plugins.";
+  
+  return( ret );
+}
 
-  } // rof
+// -------------------------------------------------------------------------
+std::string ImageMPR::
+_ConfigureMeshActors( )
+{
+  if( this->m_Mesh.IsNull( ) )
+    return( "Valid mesh not found." );
 
-  // Add buttons
-  QDialogButtonBox* bb = new QDialogButtonBox(
-    QDialogButtonBox::Ok | QDialogButtonBox::Cancel
-    );
-  QObject::connect(
-    bb, SIGNAL( accepted( ) ), this->m_ParametersDlg, SLOT( accept( ) )
-    );
-  QObject::connect(
-    bb, SIGNAL( rejected( ) ), this->m_ParametersDlg, SLOT( reject( ) )
-    );
-  verticalLayout->addWidget( bb );
-  gridLayout->addLayout( verticalLayout, 0, 0, 1, 1 );
+  this->m_Mesh->CreateVTKActor( );
+  vtkActor* vtk_actor = this->m_Mesh->GetVTKActor( );
+  if( vtk_actor != NULL )
+  {
+    this->m_MPRObjects->Get3DRenderer( )->AddActor( vtk_actor );
+    this->m_MPRObjects->Render( 4 );
 
-  // Execute
-  QMetaObject::connectSlotsByName( this->m_ParametersDlg );
-  if( !( this->m_ParametersDlg->exec( ) ) )
-    return( false );
+  } // fi
+
+  TMPRObjects::TMPRActors* mprActors = this->m_MPRObjects->GetMPRActors( );
 
-  // Get values back
-  nIt = names.begin( );
-  for( ; nIt != names.end( ); ++nIt )
+  std::string err = "";
+  for( unsigned int i = 0; i < 3; ++i )
   {
-    std::string par_name = *nIt;
-    TParameters::Type par_type = parameters.GetParameterType( par_name );
-    if( par_type == TParameters::Uint )
-    {
-      QSpinBox* v_uint =
-        this->m_ParametersDlg->findChild< QSpinBox* >( par_name.c_str( ) );
-      if( v_uint != NULL )
-        parameters.SetValueAsUint( par_name, v_uint->value( ) );
-    }
-    else if( par_type == TParameters::Int )
-    {
-      QSpinBox* v_int =
-        this->m_ParametersDlg->findChild< QSpinBox* >( par_name.c_str( ) );
-      if( v_int != NULL )
-        parameters.SetValueAsInt( par_name, v_int->value( ) );
-    }
-    else if( par_type == TParameters::Real )
+    this->m_Cutters[ i ] = this->m_Plugins.CreateProcessObject( this->m_MeshCutterClass );
+    this->m_Planes[ i ] = TPluginImplicitFunction::New( );
+    this->m_Planes[ i ]->SetFunction( mprActors->GetSliceActors( i )->GetPlaneFunction( ) );
+    this->m_Cutters[ i ]->SetInput( 0, this->m_Mesh );
+    this->m_Cutters[ i ]->SetInput( 1, this->m_Planes[ i ] );
+    std::string lerr = this->m_Cutters[ i ]->Update( );
+    if( lerr == "" )
     {
-      QDoubleSpinBox* v_double =
-        this->m_ParametersDlg->findChild< QDoubleSpinBox* >(
-          par_name.c_str( )
-          );
-      if( v_double != NULL )
-        parameters.SetValueAsReal( par_name, v_double->value( ) );
+      this->m_Cutters[ i ]->GetOutput< TPluginMesh >( 0 )->CreateVTKActor( );
+      vtkActor* actor = this->m_Cutters[ i ]->GetOutput< TPluginMesh >( 0 )->GetVTKActor( );
+      mprActors->GetSliceActors( i )->AddActor( this->m_Cutters[ i ]->GetVTK< vtkAlgorithm >( ), actor );
+      if( i == 0 )
+        this->m_MPRObjects->GetXRenderer( )->AddActor( actor );
+      else if( i == 1 )
+        this->m_MPRObjects->GetYRenderer( )->AddActor( actor );
+      else if( i == 2 )
+        this->m_MPRObjects->GetZRenderer( )->AddActor( actor );
 
     } // fi
+    err += lerr;
 
   } // rof
-  filter->SetParameters( parameters );
-  return( true );
+  this->m_MPRObjects->RenderAll( );
+  return( err );
 }
 
 // -------------------------------------------------------------------------
@@ -319,42 +610,67 @@ _triggered_actionOpenPlugins( )
 void ImageMPR::
 _triggered_actionOpenInputImage( )
 {
-  // Show dialog and check if it was accepted
-  QFileDialog dialog( this );
-  dialog.setFileMode( QFileDialog::ExistingFiles );
-  dialog.setDirectory( tr( "." ) );
-  dialog.setNameFilter(
-    tr( "Medical image files (*.mhd *.bin *.dcm *.nrri);;All files (*)" )
-    );
-  dialog.setDefaultSuffix( tr( "mhd" ) );
-  if( !( dialog.exec( ) ) )
-    return;
-  
-  this->m_InputImage = NULL;
+  // Read image
+  std::string err = this->_LoadImage( this->m_Image );
+  if( err == "" )
+  {
+    vtkImageData* vtk_id = this->m_Image->GetVTK< vtkImageData >( );
+    if( vtk_id != NULL )
+    {
+      this->m_MPRObjects->SetImage( vtk_id );
+      this->m_MPRObjects->ActivateInteractors( );
+      this->m_MPRObjects->ResetCameras( );
+      this->m_MPRObjects->RenderAll( );
 
-  // Get a reader from plugins
-  TPluginFilter::Pointer reader =
-    this->m_Plugins.CreateProcessObject( this->m_ImageReaderClass );
+         MementoState(m_state, this->m_Image);  
+         this->m_state++;
+    }
+    else
+      QMessageBox::critical(
+        this,
+        tr( "Error message" ),
+        tr( "Read image does not have a valid VTK converter." )
+        );
+  }
+  else
+    QMessageBox::critical(
+      this,
+      tr( "Error reading single image" ),
+      tr( err.c_str( ) )
+      );
+}
 
-  // Configure reader
-  TParameters reader_params = reader->GetDefaultParameters( );
-  QStringList q_fnames = dialog.selectedFiles( );
-  QStringList::const_iterator qIt = q_fnames.begin( );
-  for( ; qIt != q_fnames.end( ); ++qIt )
-    reader_params.AddValueToStringList( "FileNames", qIt->toStdString( ) );
-  reader->SetParameters( reader_params );
+// -------------------------------------------------------------------------
+void ImageMPR::
+_triggered_actionOpenSegmentation( )
+{
+  if( this->m_Image.IsNull( ) )
+  {
+    QMessageBox::critical(
+      this,
+      tr( "Error message" ),
+      tr( "Before reading a segmentation, first load a raw image." )
+      );
+    return;
 
-  // Execute and get error message, if any
-  std::string err = reader->Update( );
+  } // fi
 
-  // Assign fresh image, if any
+  // Read image
+  std::string err = this->_LoadImage( this->m_Segmentation );
   if( err == "" )
   {
-    this->m_InputImage =
-      dynamic_cast< TPluginImage* >( reader->GetOutput( 0 ) );
-    reader->DisconnectOutputs( );
-    if( this->m_InputImage.IsNotNull( ) )
-      this->m_MPR->SetImage( this->m_InputImage->GetVTKImageData( ) );
+    vtkImageData* vtk_id = this->m_Segmentation->GetVTK< vtkImageData >( );
+    if( vtk_id != NULL )
+    {
+      this->m_MPRObjects->AddAuxiliaryImage( vtk_id );
+      this->m_MPRObjects->RenderAll( );
+    }
+    else
+      QMessageBox::critical(
+        this,
+        tr( "Error message" ),
+        tr( "Read image does not have a valid VTK converter." )
+        );
   }
   else
     QMessageBox::critical(
@@ -368,64 +684,59 @@ _triggered_actionOpenInputImage( )
 void ImageMPR::
 _triggered_actionOpenInputPolyData( )
 {
-  /*
-  // Show dialog and check if it was accepted
-  QFileDialog dialog( this );
-  dialog.setFileMode( QFileDialog::ExistingFile );
-  dialog.setDirectory( "." );
-  dialog.setNameFilter( tr( "VTK file (*.vtk);;All files (*)" ) );
-  dialog.setDefaultSuffix( tr( "vtk" ) );
-  if( !( dialog.exec( ) ) )
-    return;
-  
-  std::string fname = dialog.selectedFiles( ).at( 0 ).toStdString( );
-
-  this->m_InputMesh = NULL;
+  this->m_Mesh = NULL;
 
   // Get a reader from plugins
   TPluginFilter::Pointer reader =
-    this->m_Plugins.CreateProcessObject(
-      this->m_BaseClasses[ "MeshReader" ]
-      );
-
-  // Configure plugin
-  TParameters reader_params = reader->GetDefaultParameters( );
-  reader_params.SetValueAsString( "FileName", fname );
-  reader->SetParameters( reader_params );
-
-  // Execute and get error message, if any
-  std::string err = reader->Update( );
+    this->m_Plugins.CreateProcessObject( this->m_MeshReaderClass );
 
-  // Assign fresh image, if any
-  if( err == "" )
+  if( reader.IsNotNull( ) )
   {
-    this->m_InputMesh =
-      dynamic_cast< TPluginMesh* >( reader->GetOutput( 0 ) );
-    reader->DisconnectOutputs( );
-    if( this->m_InputMesh.IsNotNull( ) )
+    // Configure reader
+    if( reader->ExecConfigurationDialog( this ) )
     {
-      this->m_InputMeshMapper = vtkSmartPointer< vtkPolyDataMapper >::New( );
-      this->m_InputMeshMapper->SetInputData( this->m_InputMesh->GetVTKPolyData( ) );
-      this->m_InputMeshActor = vtkSmartPointer< vtkActor >::New( );
-      this->m_InputMeshActor->SetMapper( this->m_InputMeshMapper );
-      this->m_MPR->Add3DActor( this->m_InputMeshActor );
+      // Execute and get error message, if any
+      QApplication::setOverrideCursor( Qt::WaitCursor );
+      this->setEnabled( false );
+      std::string err = reader->Update( );
+      QApplication::restoreOverrideCursor( );
+      this->setEnabled( true );
+
+      // Assign fresh mesh, if any
+      if( err == "" )
+      {
+        this->m_Mesh = reader->GetOutput< TPluginMesh >( 0 );
+        reader->DisconnectOutputs( );
+        err = this->_ConfigureMeshActors( );
+        if( err != "" )
+          QMessageBox::critical(
+            this,
+            tr( "Error message" ),
+            tr( err.c_str( ) )
+            );
+      }
+      else
+        QMessageBox::critical(
+          this,
+          tr( "Error reading mesh" ),
+          tr( err.c_str( ) )
+          );
 
     } // fi
   }
   else
     QMessageBox::critical(
       this,
-      tr( "Error reading polydata" ),
-      tr( err.c_str( ) )
+      tr( "Error reading single mesh" ),
+      tr( "No suitable mesh reader found in loaded plugins." )
       );
-  */
 }
 
 // -------------------------------------------------------------------------
 void ImageMPR::
 _triggered_actionImageToImage( )
 {
-  if( this->m_InputImage.IsNull( ) )
+  if( this->m_Image.IsNull( ) )
     return;
 
   // Get filter name
@@ -437,27 +748,51 @@ _triggered_actionImageToImage( )
   // Configure filter
   TPluginFilter::Pointer filter =
     this->m_Plugins.CreateProcessObject( name );
-  if( !( this->_ParametersDialog( filter ) ) )
+  bool dlg_ok = filter->ExecConfigurationDialog( NULL );
+  if( !dlg_ok )
     return;
 
   // Execute filter
-  filter->SetInput( 0, this->m_InputImage );
-  filter->Update( );
+  QApplication::setOverrideCursor( Qt::WaitCursor );
+  this->setEnabled( false );
+  filter->SetInput( 0, this->m_Image );
+  std::string err = filter->Update( );
+  QApplication::restoreOverrideCursor( );
+  this->setEnabled( true );
 
   // Update image
-  TPluginImage* result =
-    dynamic_cast< TPluginImage* >( filter->GetOutput( 0 ) );
-  result->DisconnectPipeline( );
-  this->m_InputImage = result;
-  if( this->m_InputImage.IsNotNull( ) )
-    this->m_MPR->SetImage( this->m_InputImage->GetVTKImageData( ) );
+  if( err == "" )
+  {
+    TPluginImage* result = filter->GetOutput< TPluginImage >( 0 );
+    result->DisconnectPipeline( );
+    this->m_Image = result;
+    if( this->m_Image.IsNotNull( ) )
+      this->m_MPRObjects->SetImage(
+        this->m_Image->GetVTK< vtkImageData >( )
+
+               );
+       
+       
+       MementoState(this->m_state, this->m_Image);
+       this->m_state++;
+       if (this->m_state > this->m_max_state)
+       {
+               this->m_max_state = this->m_state;
+       }
+  }
+  else
+    QMessageBox::critical(
+      this,
+      tr( "Error executing filter" ),
+      tr( err.c_str( ) )
+      );
 }
 
 // -------------------------------------------------------------------------
 void ImageMPR::
 _triggered_actionImageToMesh( )
 {
-  if( this->m_InputImage.IsNull( ) )
+  if( this->m_Image.IsNull( ) )
     return;
 
   // Get filter name
@@ -465,6 +800,89 @@ _triggered_actionImageToMesh( )
   if( action == NULL )
     return;
   std::string name = action->text( ).toStdString( );
+
+  // Configure filter
+  TPluginFilter::Pointer filter =
+    this->m_Plugins.CreateProcessObject( name );
+  bool dlg_ok = filter->ExecConfigurationDialog( NULL );
+  if( !dlg_ok )
+    return;
+
+  // Execute filter
+  QApplication::setOverrideCursor( Qt::WaitCursor );
+  this->setEnabled( false );
+  filter->SetInput( 0, this->m_Image );
+  std::string err = filter->Update( );
+  QApplication::restoreOverrideCursor( );
+  this->setEnabled( true );
+
+  // Update image
+  if( err == "" )
+  {
+    TPluginMesh* result = filter->GetOutput< TPluginMesh >( 0 );
+    result->DisconnectPipeline( );
+    this->m_Mesh = result;
+    err = this->_ConfigureMeshActors( );
+    if( err != "" )
+      QMessageBox::critical(
+        this,
+        tr( "Error message" ),
+        tr( err.c_str( ) )
+        );
+  }
+  else
+    QMessageBox::critical(
+      this,
+      tr( "Error executing filter" ),
+      tr( err.c_str( ) )
+      );
+}
+
+// -------------------------------------------------------------------------
+void ImageMPR::
+_triggered_actionUndo()
+{
+       MementoState memento = MementoState();
+    
+       if (this->m_state>1)
+       {
+               this->m_state--;
+               this->m_MPRObjects->SetImage(
+                       memento.getMemento(this->m_state)->GetOutput()
+                       );
+       } else
+       {
+               QMessageBox::warning(
+                       this,
+                       tr("message"),
+                       tr("No history to undo")
+                       );
+       }
+
+}
+
+// -------------------------------------------------------------------------
+void ImageMPR::
+_triggered_actionRedo()
+{
+       MementoState memento = MementoState();
+               if (this->m_state + 1 <= m_max_state)
+               {
+                       this->m_state++;
+                       this->m_MPRObjects->SetImage(
+                               memento.getMemento(this->m_state)->GetOutput()
+                               );
+               } else
+               {
+                       QMessageBox::warning(
+                               this,
+                               tr("message"),
+                               tr("No history to redo")
+                               );
+               }
+       
 }
+       
+*/
 
 // eof - $RCSfile$