bool Interactor2DVolumeEdit::ProcessKeyDownEvent( QKeyEvent* event, RenderView* renderview )
{
  UpdateCursor( event, renderview );

  RenderView2D* view = ( RenderView2D* )renderview;
  if ( event->modifiers() & Qt::AltModifier && event->key() == Qt::Key_H )
  {
    Contour2D* c2d = view->GetContour2D();
    c2d->SetVisible( !c2d->IsVisible() );
    view->RequestRedraw();
    return false;
  }
  else if (event->modifiers() & Qt::ShiftModifier && event->key() == Qt::Key_C)
  {
    m_bColorPicking = true;
    return false;
  }
  else if (event->key() == Qt::Key_Escape)
  {
    m_bColorPicking = false;
    return false;
  }

  if ( !m_bEditing )
  {
    return Interactor2D::ProcessKeyDownEvent( event, renderview );
  }
  else
  {
    return false;
  }
}
예제 #2
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void ToolWindowEdit::OnColorContour( wxColourPickerEvent& event )
{
  wxColour c = event.GetColour();
  for ( int i = 0; i < 3; i++ )
  {
    RenderView2D* view = ( RenderView2D* )MainWindow::GetMainWindowPointer()->GetRenderView( i );
    Contour2D* c2d = view->GetContour2D();
    c2d->SetContourColor( c.Red()/255.0, c.Green()/255.0, c.Blue()/255.0 );
  }
}
예제 #3
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void ToolWindowEdit::OnCheckSmooth( wxCommandEvent& event )
{
  for ( int i = 0; i < 3; i++ )
  {
    RenderView2D* view = ( RenderView2D* )MainWindow::GetMainWindowPointer()->GetRenderView( i );
    Contour2D* c2d = view->GetContour2D();
    c2d->SetSmooth( event.IsChecked() );
  }
  UpdateTools();
}
예제 #4
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void ToolWindowEdit::OnEditSmoothSD( wxCommandEvent& event )
{
  double value;

  if (m_editSmoothSD != NULL)
  {
    if ( m_editSmoothSD->GetValue().ToDouble( &value ) && value > 0 )
    {
      for ( int i = 0; i < 3; i++ )
      {
        RenderView2D* view = ( RenderView2D* )MainWindow::GetMainWindowPointer()->GetRenderView( i );
        Contour2D* c2d = view->GetContour2D();
        c2d->SetSmoothSD( value );
      }
      UpdateTools();
    }
  }
}
bool Interactor2DVolumeEdit::ProcessKeyDownEvent( wxKeyEvent& event, RenderView* renderview )
{
  UpdateCursor( event, renderview );
  
  RenderView2D* view = ( RenderView2D* )renderview;
  if ( event.GetModifiers() == wxMOD_ALT && event.GetKeyCode() == 'H' )
  {
    Contour2D* c2d = view->GetContour2D();
    c2d->SetVisible( !c2d->IsVisible() );
    view->NeedRedraw();
    return false;
  }
  
  if ( !m_bEditing )
    return Interactor2D::ProcessKeyDownEvent( event, renderview );
  else
    return false;
}
예제 #6
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void ToolWindowEdit::OnEditContourValue( wxCommandEvent& event )
{
  double value;
  if ( m_editContourValue->GetValue().ToDouble( &value ) && value > 0 )
  {
    BrushProperty* bp = MainWindow::GetMainWindowPointer()->GetBrushProperty();
    LayerMRI* mri = (LayerMRI*)bp->GetReferenceLayer();
    for ( int i = 0; i < 3; i++ )
    {
      RenderView2D* view = ( RenderView2D* )MainWindow::GetMainWindowPointer()->GetRenderView( i );
      Contour2D* c2d = view->GetContour2D();
      if ( c2d->GetInputImage() )
        c2d->SetContourValue( value );
      else if ( mri )
      {
        c2d->SetInput( mri->GetSliceImageData( view->GetViewPlane() ), value, mri->GetSlicePosition()[i], mri->GetActiveFrame() ); 
        c2d->SetVisible( true );
      }
    }
    UpdateTools();
  }
}
예제 #7
0
void ToolWindowEdit::OnShow( wxShowEvent& event )
{
//#if wxCHECK_VERSION(2,9,0)
#if wxVERSION_NUMBER > 2900  
  if ( event.IsShown() )
#else
  if ( event.GetShow() )
#endif
  {
    wxConfigBase* config = wxConfigBase::Get();
    if ( config )
    {
      int x = config->Read( _T("/ToolWindowEdit/PosX"), 0L );
      int y = config->Read( _T("/ToolWindowEdit/PosY"), 0L );
      if ( x == 0 && y == 0 )
        Center();
      else
        Move( x, y );
    }
    for ( int i = 0; i < 3; i++ )
    {
      RenderView2D* view = ( RenderView2D* )MainWindow::GetMainWindowPointer()->GetRenderView( i );
      view->GetContour2D()->AddListener( this );
    }
  }
  else
  {
    wxConfigBase* config = wxConfigBase::Get();
    if ( config )
    {
      int x, y;
      GetPosition( &x, &y );
      config->Write( _T("/ToolWindowEdit/PosX"), (long) x );
      config->Write( _T("/ToolWindowEdit/PosY"), (long) y );
    } 
  }
  MainWindow::GetMainWindowPointer()->SetFocus();
}
bool Interactor2DVolumeEdit::ProcessMouseDownEvent( QMouseEvent* event, RenderView* renderview )
{
  RenderView2D* view = ( RenderView2D* )renderview;

  if ( !view->hasFocus() )
  {
    return Interactor2D::ProcessMouseDownEvent( event, renderview );
  }

  if ( event->button() == Qt::LeftButton ||
       ( event->button() == Qt::RightButton && (event->buttons() & Qt::LeftButton) ) )
  {
    if ( (event->modifiers() & CONTROL_MODIFIER ) && (event->modifiers() & Qt::ShiftModifier) )
    {
      return Interactor2D::ProcessMouseDownEvent( event, renderview );
    }

    LayerCollection* lc = MainWindow::GetMainWindow()->GetLayerCollection( m_strLayerTypeName );
    LayerVolumeBase* mri = ( LayerVolumeBase* )lc->GetActiveLayer();
    if ( (!mri || !mri->IsVisible()) ) //&& ( event->ControlDown() || m_nAction == EM_Polyline ) )
    {
      emit Error( "LayerNotVisible", mri );
    }
    else if ( !mri->IsEditable() ) //&& ( event->ControlDown() || m_nAction == EM_Polyline ) )
    {
      emit Error( "LayerNotEditable", mri );
    }
    else if ( m_strLayerTypeName == "MRI" && ((LayerMRI*)mri)->IsTransformed() )
    {
      emit Error( "LayerNotEditableForTransformation", mri );
    }
    else
    {
      m_nMousePosX = event->x();
      m_nMousePosY = event->y();

      double ras[3];
      view->MousePositionToRAS( m_nMousePosX, m_nMousePosY, ras );
      bool bCondition = !(event->modifiers() & Qt::ShiftModifier) && !(event->buttons() & Qt::RightButton);
      if ( m_nAction == EM_Freehand ) //&& ( event->ControlDown() ) )
      {
        mri->SaveForUndo( view->GetViewPlane() );
        if ( event->modifiers() & CONTROL_MODIFIER )
        {
          mri->FloodFillByRAS( ras, view->GetViewPlane(), bCondition );
        }
        else
        {
          m_bEditing = true;
          mri->SetVoxelByRAS( ras, view->GetViewPlane(),bCondition );
        }
      }
      else if ( m_nAction == EM_Fill ) //&& ( event->ControlDown() ) )
      {
        mri->SaveForUndo( view->GetViewPlane() );
        mri->FloodFillByRAS( ras, view->GetViewPlane(), bCondition );
      }
      else if ( m_nAction == EM_Polyline || m_nAction == EM_Livewire )
      {
        mri->SaveForUndo( view->GetViewPlane() );
        if ( event->modifiers() & CONTROL_MODIFIER )
        {
          mri->FloodFillByRAS( ras, view->GetViewPlane(), bCondition );
        }
        else
        {
          m_bEditing = true;
          double ras2[3];
          view->GetCursor2D()->ClearInterpolationPoints();
          view->GetCursor2D()->GetPosition( ras2 );
          view->GetCursor2D()->SetPosition( ras );
          view->GetCursor2D()->SetPosition2( ras );
          if ( m_dPolylinePoints.size() > 0 )
          {
            if ( m_nAction == EM_Polyline )
            {
              mri->SetVoxelByRAS( ras, ras2, view->GetViewPlane(), bCondition );
            }
            else
            {
              mri->SetLiveWireByRAS( ras, ras2, view->GetViewPlane() );
            }
          }
          else
          {
            // mri->SaveForUndo( view->GetViewPlane() );
            m_dPolylinePoints.push_back( ras[0] );
            m_dPolylinePoints.push_back( ras[1] );
            m_dPolylinePoints.push_back( ras[2] );
            view->GetCursor2D()->SetPosition( ras );
          }

          view->grabMouse();
        }
      }
      else if ( m_nAction == EM_ColorPicker && mri->IsTypeOf( "MRI" ) )
      {
        if ( event->modifiers() & CONTROL_MODIFIER )
        {
          mri->SaveForUndo( view->GetViewPlane() );
          mri->FloodFillByRAS( ras, view->GetViewPlane(), bCondition );
        }
        else
        {
          double dValue = ((LayerMRI*)mri)->GetVoxelValue( ras );
          if ( dValue != 0 )
          {
            mri->SetFillValue( (float)dValue );
          }
        }
      }
      else if ( m_nAction == EM_Contour && mri->IsTypeOf( "MRI" ) )
      {
        LayerMRI* mri_ref = (LayerMRI*)MainWindow::GetMainWindow()->GetBrushProperty()->GetReferenceLayer();
        if ( !mri_ref )
        {
          emit Error( "LayerReferenceNotSet" );
          return false;
        }

        Contour2D* c2d = view->GetContour2D();
        if ( (event->modifiers() & CONTROL_MODIFIER) && (event->modifiers() & Qt::AltModifier) )
        {
          double dValue = mri_ref->GetVoxelValue( ras );
          if ( dValue != 0 )
          {
            m_bEditing = true;
            c2d->SetInput( mri_ref->GetSliceImageData( view->GetViewPlane() ), dValue, ras[view->GetViewPlane()], mri_ref->GetActiveFrame() );
            c2d->SetVisible( true );
            view->RequestRedraw();
          }
          else if ( c2d->IsVisible() )
          {
            m_bEditing = true;
          }
        }
        else if ( (event->modifiers() & CONTROL_MODIFIER) && !(event->modifiers() & Qt::AltModifier) )
        {
          mri->SaveForUndo( view->GetViewPlane() );
          ((LayerMRI*)mri)->FloodFillByContour2D( ras, c2d );
        }
        else if ( event->modifiers() & Qt::ShiftModifier )
        {
          m_bEditing = true;
          c2d->RemoveLine( ras, ras );
          view->RequestRedraw();
        }
        else
        {
          m_bEditing = true;
          c2d->AddLine( ras, ras );
          view->RequestRedraw();
        }
      }
      else
      {
        return Interactor2D::ProcessMouseDownEvent( event, renderview );
      }
    }

    return false;
  }
  else if ( m_bEditing )
  {
    m_bEditing = false;
    if ( m_nAction == EM_Polyline || m_nAction == EM_Livewire )
    {
      if ( event->button() == Qt::MidButton )
      {
        view->GetCursor2D()->Update();
        view->RequestRedraw();
      }
      else if ( event->button() == Qt::RightButton )
      {
        if ( m_dPolylinePoints.size() > 0 && m_nAction == EM_Polyline )
        {
          LayerCollection* lc = MainWindow::GetMainWindow()->GetLayerCollection( m_strLayerTypeName );
          LayerVolumeBase* mri = ( LayerVolumeBase* )lc->GetActiveLayer();

          double ras1[3] = { m_dPolylinePoints[0], m_dPolylinePoints[1], m_dPolylinePoints[2] };
          double ras2[3];
          view->GetCursor2D()->GetPosition( ras2 );
          view->GetCursor2D()->SetPosition2( ras2 );
          view->GetCursor2D()->SetPosition( ras1 );
          mri->SetVoxelByRAS( ras1, ras2, view->GetViewPlane(), !(event->modifiers() & Qt::ShiftModifier) );
        }
        else
        {
          // mri->SetLiveWireByRAS( ras1, ras2, view->GetViewPlane() );
          view->GetCursor2D()->Update();
          view->RequestRedraw();
        }
      }
    }

    m_dPolylinePoints.clear();
    view->releaseMouse();

    return false;
  }
  return Interactor2D::ProcessMouseDownEvent( event, renderview ); // pass down the event
}
bool Interactor2DVolumeEdit::ProcessMouseMoveEvent( QMouseEvent* event, RenderView* renderview )
{
  RenderView2D* view = ( RenderView2D* )renderview;

  if ( m_bEditing )
  {
    UpdateCursor( event, view );
    int posX = event->x();
    int posY = event->y();

    LayerCollection* lc = MainWindow::GetMainWindow()->GetLayerCollection( m_strLayerTypeName );
    LayerVolumeBase* mri = ( LayerVolumeBase* )lc->GetActiveLayer();
    if ( m_nAction == EM_Freehand )
    {
      double ras1[3], ras2[3];
      view->MousePositionToRAS( m_nMousePosX, m_nMousePosY, ras1 );
      view->MousePositionToRAS( posX, posY, ras2 );

      mri->SetVoxelByRAS( ras1, ras2, view->GetViewPlane(),
                          !(event->modifiers() & Qt::ShiftModifier) && !(event->buttons() & Qt::RightButton) );
    }
    else if ( m_nAction == EM_Polyline || m_nAction == EM_Livewire )
    {
      double ras[3];
      view->MousePositionToRAS( posX, posY, ras );
      view->GetCursor2D()->SetPosition2( ras );
      if ( m_nAction == EM_Livewire )
      {
        view->GetCursor2D()->SetInterpolationPoints(
          mri->GetLiveWirePointsByRAS( ras,
                                       view->GetCursor2D()->GetPosition(),
                                       view->GetViewPlane() ) );
      }
      view->GetCursor2D()->SetPosition( view->GetCursor2D()->GetPosition(), true );
      view->RequestRedraw();
    }
    else if ( m_nAction == EM_Contour )
    {
      LayerMRI* mri_ref = (LayerMRI*)MainWindow::GetMainWindow()->GetBrushProperty()->GetReferenceLayer();
      Contour2D* c2d = view->GetContour2D();
      if ( event->modifiers() & Qt::ShiftModifier )
      {
        double ras1[3], ras2[3];
        view->MousePositionToRAS( m_nMousePosX, m_nMousePosY, ras1 );
        view->MousePositionToRAS( posX, posY, ras2 );
        c2d->RemoveLine( ras1, ras2 );
      }
      else if ( (event->modifiers() & CONTROL_MODIFIER) && (event->modifiers() & Qt::AltModifier) )
      {
        double scale = 0.2;
        if ( mri_ref )
        {
          double dMin = mri_ref->GetProperty()->GetMinValue();
          double dMax = mri_ref->GetProperty()->GetMaxValue();
          scale = ( dMax - dMin ) * 0.0005;
        }
        c2d->SetContourValue( c2d->GetContourValue() + scale * ( posY - m_nMousePosY ) );
      }
      else
      {
        double ras1[3], ras2[3];
        view->MousePositionToRAS( m_nMousePosX, m_nMousePosY, ras1 );
        view->MousePositionToRAS( posX, posY, ras2 );
        c2d->AddLine( ras1, ras2 );
      }

      view->RequestRedraw();
    }

    m_nMousePosX = posX;
    m_nMousePosY = posY;

    return false;
  }
  else
  {
    return Interactor2D::ProcessMouseMoveEvent( event, renderview );
  }
}
예제 #10
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void ToolWindowEdit::DoUpdateTools()
{
  int nViewId = MainWindow::GetMainWindowPointer()->GetActiveViewId();
  if ( nViewId < 0 || nViewId > 2 )
    nViewId = 0;
  RenderView2D* view = ( RenderView2D* )MainWindow::GetMainWindowPointer()->GetRenderView( nViewId );
  
  bool bVoxelEditVisible = m_toolbarVoxelEdit->IsShown();
  bool bROIEditVisible = m_toolbarROIEdit->IsShown();
  if ( bVoxelEditVisible != (view->GetInteractionMode() == RenderView2D::IM_VoxelEdit) ||
       bROIEditVisible != (view->GetInteractionMode() == RenderView2D::IM_ROIEdit) )
  {
    m_toolbarVoxelEdit ->Show( view->GetInteractionMode() == RenderView2D::IM_VoxelEdit );
    m_toolbarROIEdit ->Show( view->GetInteractionMode() == RenderView2D::IM_ROIEdit );

    XRCCTRL( *this, "ID_PANEL_HOLDER", wxPanel )->Layout();
  }

// XRCCTRL( *m_toolbarBrush, "ID_STATIC_BRUSH_SIZE", wxStaticText )->Enable( m_viewAxial->GetAction() != Interactor2DROIEdit::EM_Fill );
  m_spinBrushSize->Enable( view->GetAction() != Interactor2DROIEdit::EM_Fill );
  m_spinBrushTolerance->Enable( view->GetAction() == Interactor2DROIEdit::EM_Fill );
// choiceTemplate->Enable( checkTemplate->IsChecked() && m_viewAxial->GetAction() == Interactor2DROIEdit::EM_Fill );
// XRCCTRL( *m_toolbarBrush, "ID_STATIC_BRUSH_TOLERANCE", wxStaticText )->Enable( checkTemplate->IsChecked() ); //&& m_viewAxial->GetAction() == Interactor2DROIEdit::EM_Fill );
// XRCCTRL( *m_toolbarBrush, "ID_SPIN_BRUSH_TOLERANCE", wxSpinCtrl )->Enable( checkTemplate->IsChecked() );//&& m_viewAxial->GetAction() == Interactor2DROIEdit::EM_Fill );

  BrushProperty* bp = MainWindow::GetMainWindowPointer()->GetBrushProperty();
  LayerVolumeBase* layer = bp->GetReferenceLayer();
// if ( m_choiceTemplate->GetSelection() != wxNOT_FOUND )
//  layer = ( LayerEditable* )(void*)m_choiceTemplate->GetClientData( m_choiceTemplate->GetSelection() );

  m_choiceTemplate->Clear();
  m_choiceTemplate->Append( _("None"), (void*)NULL );
  LayerCollection* lc = MainWindow::GetMainWindowPointer()->GetLayerCollection( "MRI" );
  int nSel = 0;
  for ( int i = 0; i < lc->GetNumberOfLayers(); i++ )
  {
    LayerMRI* mri = (LayerMRI*)lc->GetLayer( i );
    if ( layer == mri )
    {
      nSel = i+1;
    }

    m_choiceTemplate->Append( wxString::FromAscii( mri->GetName() ), (void*)mri );
  }
// if ( !lc->IsEmpty() )
  m_choiceTemplate->SetSelection( nSel );

  m_spinBrushSize->SetValue( bp->GetBrushSize() );
  m_spinBrushTolerance->SetValue( bp->GetBrushTolerance( ) );

  m_checkDrawConnectedOnly->SetValue( bp->GetDrawConnectedOnly() );
  m_checkDrawRange  ->SetValue( bp->GetDrawRangeEnabled() );
  m_checkExcludeRange  ->SetValue( bp->GetExcludeRangeEnabled() );

  m_editDrawRangeLow  ->Enable( bp->GetDrawRangeEnabled() );
  m_editDrawRangeHigh  ->Enable( bp->GetDrawRangeEnabled() );
  m_editExcludeRangeLow ->Enable( bp->GetExcludeRangeEnabled() );
  m_editExcludeRangeHigh ->Enable( bp->GetExcludeRangeEnabled() );

  double* range = bp->GetDrawRange();
  UpdateTextValue( m_editDrawRangeLow, range[0] );
  UpdateTextValue( m_editDrawRangeHigh, range[1] );
  range = bp->GetExcludeRange();
  UpdateTextValue( m_editExcludeRangeLow, range[0] );
  UpdateTextValue( m_editExcludeRangeHigh, range[1] );

  Contour2D* c2d = view->GetContour2D();
  m_checkSmooth->SetValue( c2d->GetSmooth() );
  UpdateTextValue( m_editSmoothSD, c2d->GetSmoothSD() );
  m_editSmoothSD->Enable( c2d->GetSmooth() );
  UpdateTextValue( m_editContourValue, c2d->GetContourValue() );
  
  double* rgb = c2d->GetContourColor();
  m_colorPickerContour->SetColour( wxColour( (int)(rgb[0]*255), (int)(rgb[1]*255), (int)(rgb[2]*255) ) );
  
  int nAction = view->GetAction(); 
  ShowWidgets( m_widgetsBrushSize, nAction != Interactor2DVoxelEdit::EM_Contour &&
                                   nAction != Interactor2DVoxelEdit::EM_ColorPicker && 
                                   nAction != Interactor2DVoxelEdit::EM_Fill );
  ShowWidgets( m_widgetsReference, nAction == Interactor2DVoxelEdit::EM_Fill || 
                                   nAction == Interactor2DVoxelEdit::EM_Contour );  
  ShowWidgets( m_widgetsTolerance, nAction == Interactor2DVoxelEdit::EM_Fill );
  ShowWidgets( m_widgetsConstrain, nAction != Interactor2DVoxelEdit::EM_ColorPicker && 
      nAction != Interactor2DVoxelEdit::EM_Contour ); 
  ShowWidgets( m_widgetsSmooth, nAction == Interactor2DVoxelEdit::EM_Contour );
  ShowWidgets( m_widgetsContour, nAction == Interactor2DVoxelEdit::EM_Contour );
  
  m_bToUpdateTools = false;
  wxPanel* panel = XRCCTRL( *this, "ID_PANEL_HOLDER", wxPanel );
  panel->Layout();
  panel->Fit();
  Fit();
  Layout();
  MainWindow::GetMainWindowPointer()->NeedRedraw( 1 );
}
예제 #11
0
bool Interactor2DVolumeEdit::ProcessMouseDownEvent( wxMouseEvent& event, RenderView* renderview )
{
  RenderView2D* view = ( RenderView2D* )renderview;
// UpdateCursor( event, view );

  if ( event.LeftDown() || ( event.RightDown() && event.LeftIsDown() ) )
  {
    if ( event.CmdDown() && event.ShiftDown() )
      return Interactor2D::ProcessMouseDownEvent( event, renderview );

    LayerCollection* lc = MainWindow::GetMainWindowPointer()->GetLayerCollectionManager()->GetLayerCollection( m_strLayerTypeName.c_str() );
    LayerVolumeBase* mri = ( LayerVolumeBase* )lc->GetActiveLayer();
    if ( (!mri || !mri->IsVisible()) ) //&& ( event.CmdDown() || m_nAction == EM_Polyline ) )
    {
      SendBroadcast( m_strLayerTypeName + "NotVisible", this );
    }
    else if ( !mri->IsEditable() ) //&& ( event.CmdDown() || m_nAction == EM_Polyline ) )
    {
      SendBroadcast( m_strLayerTypeName + "NotEditable", this );
    }
    else if ( m_strLayerTypeName == "MRI" && ((LayerMRI*)mri)->IsTransformed() )
    {
      SendBroadcast( m_strLayerTypeName + "NotEditableForTransformation", this );
    }
    else
    {
      m_nMousePosX = event.GetX();
      m_nMousePosY = event.GetY();

      double ras[3];
      view->MousePositionToRAS( m_nMousePosX, m_nMousePosY, ras );
      if ( m_nAction == EM_Freehand ) //&& ( event.CmdDown() ) )
      {
        mri->SaveForUndo( view->GetViewPlane() );
        if ( event.CmdDown() )
        {
          mri->FloodFillByRAS( ras, view->GetViewPlane(), !event.ShiftDown() && !event.RightIsDown() );
        }
        else
        {
          m_bEditing = true;
          mri->SetVoxelByRAS( ras, view->GetViewPlane(), !event.ShiftDown() && !event.RightIsDown() );
        }
      }
      else if ( m_nAction == EM_Fill ) //&& ( event.CmdDown() ) )
      {
        mri->SaveForUndo( view->GetViewPlane() );
        mri->FloodFillByRAS( ras, view->GetViewPlane(), !event.ShiftDown() && !event.RightIsDown() );
      }
      else if ( m_nAction == EM_Polyline || m_nAction == EM_Livewire )
      {
        mri->SaveForUndo( view->GetViewPlane() );
        if ( event.CmdDown() )
        {
          mri->FloodFillByRAS( ras, view->GetViewPlane(), !event.ShiftDown() && !event.RightIsDown() );
        }
        else
        {
          m_bEditing = true;
          double ras2[3];
          view->GetCursor2D()->ClearInterpolationPoints();
          view->GetCursor2D()->GetPosition( ras2 );
          view->GetCursor2D()->SetPosition( ras );
          view->GetCursor2D()->SetPosition2( ras );
          if ( m_dPolylinePoints.size() > 0 )
          {
            if ( m_nAction == EM_Polyline )
              mri->SetVoxelByRAS( ras, ras2, view->GetViewPlane(), !event.ShiftDown() && !event.RightIsDown() );
            else
              mri->SetLiveWireByRAS( ras, ras2, view->GetViewPlane() );
          }
          else
          {
            // mri->SaveForUndo( view->GetViewPlane() );
            m_dPolylinePoints.push_back( ras[0] );
            m_dPolylinePoints.push_back( ras[1] );
            m_dPolylinePoints.push_back( ras[2] );
            view->GetCursor2D()->SetPosition( ras );
          }
  
          if ( view->GetCapture() == view )
            view->ReleaseMouse();
          view->CaptureMouse();
        }
      }
      else if ( m_nAction == EM_ColorPicker && mri->IsTypeOf( "MRI" ) )
      {
        if ( event.CmdDown() )
        {
          mri->SaveForUndo( view->GetViewPlane() );
          mri->FloodFillByRAS( ras, view->GetViewPlane(), !event.ShiftDown() && !event.RightIsDown() );
        }
        else
        {
          double dValue = ((LayerMRI*)mri)->GetVoxelValue( ras );
          if ( dValue != 0 )
          {
            mri->SetFillValue( (float)dValue );
            mri->SendBroadcast( "LayerActorUpdated", mri );
          }
        }
      }
      else if ( m_nAction == EM_Contour && mri->IsTypeOf( "MRI" ) )
      {
        LayerMRI* mri_ref = (LayerMRI*)MainWindow::GetMainWindowPointer()->GetBrushProperty()->GetReferenceLayer();
        if ( !mri_ref )
        {
          SendBroadcast( m_strLayerTypeName + "ReferenceNotSet", this );
          return false;
        }
          
        Contour2D* c2d = view->GetContour2D();
        if ( event.CmdDown() && event.AltDown() )
        {
          double dValue = mri_ref->GetVoxelValue( ras );
          if ( dValue != 0 )
          {
            m_bEditing = true;
            c2d->SetInput( mri_ref->GetSliceImageData( view->GetViewPlane() ), dValue, ras[view->GetViewPlane()], mri_ref->GetActiveFrame() );
            c2d->SetVisible( true );
            view->NeedRedraw();
          }
          else if ( c2d->IsVisible() )
          {
            m_bEditing = true;
          }
        }
        else if ( event.CmdDown() && !event.AltDown() )
        {
          mri->SaveForUndo( view->GetViewPlane() );
          ((LayerMRI*)mri)->FloodFillByContour2D( ras, c2d );
        }
        else if ( event.ShiftDown() )
        {
          m_bEditing = true;
          c2d->RemoveLine( ras, ras );
          view->NeedRedraw();
        }
        else
        {
          m_bEditing = true;
          c2d->AddLine( ras, ras );
          view->NeedRedraw();
        }
        
      }
      else
        return Interactor2D::ProcessMouseDownEvent( event, renderview );
    }

    return false;
  }
  else if ( m_bEditing )
  {
    m_bEditing = false;
    if ( m_nAction == EM_Polyline || m_nAction == EM_Livewire )
    {
      if ( event.MiddleDown() )
      {
        view->GetCursor2D()->Update();
        view->NeedRedraw();
      }
      else if ( event.RightDown() )
      {
        if ( m_dPolylinePoints.size() > 0 && m_nAction == EM_Polyline )
        {
          LayerCollection* lc = MainWindow::GetMainWindowPointer()->GetLayerCollection( m_strLayerTypeName.c_str() );
          LayerVolumeBase* mri = ( LayerVolumeBase* )lc->GetActiveLayer();

          double ras1[3] = { m_dPolylinePoints[0], m_dPolylinePoints[1], m_dPolylinePoints[2] };
          double ras2[3];
          view->GetCursor2D()->GetPosition( ras2 );
          view->GetCursor2D()->SetPosition2( ras2 );
          view->GetCursor2D()->SetPosition( ras1 );
          mri->SetVoxelByRAS( ras1, ras2, view->GetViewPlane(), !event.ShiftDown() );
        }
        else
        {
          // mri->SetLiveWireByRAS( ras1, ras2, view->GetViewPlane() );
          view->GetCursor2D()->Update();
          view->NeedRedraw();
        }
      }
    }

    m_dPolylinePoints.clear();
    if ( view->GetCapture() == view )
      view->ReleaseMouse();

    return false;
  }
  return Interactor2D::ProcessMouseDownEvent( event, renderview ); // pass down the event
}