#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include // ------------------------------------------------------------------------- cpExtensions::Visualization::ImageSliceActors* cpExtensions::Visualization::ImageSliceActors:: New( ) { return( new Self( ) ); } // ------------------------------------------------------------------------- void cpExtensions::Visualization::ImageSliceActors:: AddCursorCommand( TCursorCommand command, void* data ) { this->m_CursorCommands.push_back( std::pair< TCursorCommand, void* >( command, data ) ); this->Modified( ); } // ------------------------------------------------------------------------- void cpExtensions::Visualization::ImageSliceActors:: AddInputConnection( vtkAlgorithmOutput* aout, int axis ) { // Get input vtkImageData if( aout == NULL ) return; vtkAlgorithm* producer = aout->GetProducer( ); vtkImageData* data = dynamic_cast< vtkImageData* >( producer->GetOutputDataObject( aout->GetIndex( ) ) ); if( data == NULL ) return; // Try to infere if input comes from a color mapping filter vtkImageMapToColors* new_map = dynamic_cast< vtkImageMapToColors* >( producer ); if( new_map == NULL ) { // Configure LUT, if possible (NULL is returned if not) this->_ConfigureNewLUT( data ); new_map = *( this->m_ImageMaps.rbegin( ) ); if( new_map != NULL ) { new_map->SetInputConnection( aout ); new_map->Update( ); } // fi } else this->m_ImageMaps.push_back( new_map ); // Create mapper and actors vtkSmartPointer< vtkImageSliceMapper > mapper = vtkSmartPointer< vtkImageSliceMapper >::New( ); if( new_map != NULL ) mapper->SetInputConnection( new_map->GetOutputPort( ) ); else mapper->SetInputConnection( aout ); this->m_SliceMappers.push_back( mapper ); this->_ConfigureNewInput( axis ); } // ------------------------------------------------------------------------- void cpExtensions::Visualization::ImageSliceActors:: AddInputData( vtkImageData* data, int axis ) { // Configure LUT, if possible (NULL is returned if not) this->_ConfigureNewLUT( data ); vtkImageMapToColors* new_map = *( this->m_ImageMaps.rbegin( ) ); if( new_map != NULL ) { new_map->SetInputData( data ); new_map->Update( ); } // fi // Create mapper and actors vtkSmartPointer< vtkImageSliceMapper > mapper = vtkSmartPointer< vtkImageSliceMapper >::New( ); if( new_map != NULL ) mapper->SetInputConnection( new_map->GetOutputPort( ) ); else mapper->SetInputData( data ); this->m_SliceMappers.push_back( mapper ); this->_ConfigureNewInput( axis ); } // ------------------------------------------------------------------------- void cpExtensions::Visualization::ImageSliceActors:: Clear( ) { // Unbind from container this->RemoveAllItems( ); // Delete all images this->m_ImageMaps.clear( ); this->m_SliceMappers.clear( ); this->m_ImageActors.clear( ); this->m_AssociatedSlices.clear( ); this->m_AssociatedActors.clear( ); // Reconfigure unique objects this->m_Cursor = vtkSmartPointer< vtkPolyData >::New( ); this->m_CursorMapper = vtkSmartPointer< vtkPolyDataMapper >::New( ); this->m_CursorActor = vtkSmartPointer< vtkActor >::New( ); this->m_PlaneFunction = vtkSmartPointer< vtkPlane >::New( ); this->m_Plane = vtkSmartPointer< vtkPolyData >::New( ); this->m_PlaneMapper = vtkSmartPointer< vtkPolyDataMapper >::New( ); this->m_TextActor = vtkSmartPointer< vtkTextActor >::New( ); this->m_PlaneActor = vtkSmartPointer< vtkActor >::New( ); this->m_TextBuffer[ 0 ] = '\0'; // Unique objects configuration vtkSmartPointer< vtkPoints > cursor_points = vtkSmartPointer< vtkPoints >::New( ); vtkSmartPointer< vtkCellArray > cursor_lines = vtkSmartPointer< vtkCellArray >::New( ); cursor_points->InsertNextPoint( 0, 0, 0 ); cursor_points->InsertNextPoint( 0, 0, 0 ); cursor_points->InsertNextPoint( 0, 0, 0 ); cursor_points->InsertNextPoint( 0, 0, 0 ); cursor_points->InsertNextPoint( 0, 0, 0 ); cursor_points->InsertNextPoint( 0, 0, 0 ); cursor_points->InsertNextPoint( 0, 0, 0 ); cursor_points->InsertNextPoint( 0, 0, 0 ); cursor_lines->InsertNextCell( 2 ); cursor_lines->InsertCellPoint( 0 ); cursor_lines->InsertCellPoint( 1 ); cursor_lines->InsertNextCell( 2 ); cursor_lines->InsertCellPoint( 2 ); cursor_lines->InsertCellPoint( 3 ); cursor_lines->InsertNextCell( 2 ); cursor_lines->InsertCellPoint( 4 ); cursor_lines->InsertCellPoint( 5 ); cursor_lines->InsertNextCell( 2 ); cursor_lines->InsertCellPoint( 6 ); cursor_lines->InsertCellPoint( 7 ); this->m_Cursor->SetPoints( cursor_points ); this->m_Cursor->SetLines( cursor_lines ); this->m_CursorMapper->SetInputData( this->m_Cursor ); this->m_CursorActor->SetMapper( this->m_CursorMapper ); vtkSmartPointer< vtkPoints > plane_points = vtkSmartPointer< vtkPoints >::New( ); vtkSmartPointer< vtkCellArray > plane_lines = vtkSmartPointer< vtkCellArray >::New( ); plane_points->InsertNextPoint( 0, 0, 0 ); plane_points->InsertNextPoint( 0, 1, 0 ); plane_points->InsertNextPoint( 1, 1, 0 ); plane_points->InsertNextPoint( 1, 0, 0 ); plane_lines->InsertNextCell( 5 ); plane_lines->InsertCellPoint( 0 ); plane_lines->InsertCellPoint( 1 ); plane_lines->InsertCellPoint( 2 ); plane_lines->InsertCellPoint( 3 ); plane_lines->InsertCellPoint( 0 ); this->m_Plane->SetPoints( plane_points ); this->m_Plane->SetLines( plane_lines ); this->m_PlaneMapper->SetInputData( this->m_Plane ); this->m_PlaneActor->SetMapper( this->m_PlaneMapper ); this->m_TextActor->SetTextScaleModeToNone( ); vtkTextProperty* textprop = this->m_TextActor->GetTextProperty( ); textprop->SetColor( 1, 1, 1 ); textprop->SetFontFamilyToCourier( ); textprop->SetFontSize( 18 ); textprop->BoldOff( ); textprop->ItalicOff( ); textprop->ShadowOff( ); textprop->SetJustificationToLeft( ); textprop->SetVerticalJustificationToBottom( ); vtkCoordinate* coord = this->m_TextActor->GetPositionCoordinate( ); coord->SetCoordinateSystemToNormalizedViewport( ); coord->SetValue( 0.01, 0.01 ); // Update actor collection this->AddItem( this->m_CursorActor ); this->AddItem( this->m_TextActor ); this->AddItem( this->m_PlaneActor ); } // ------------------------------------------------------------------------- void cpExtensions::Visualization::ImageSliceActors:: AssociateSlice( Self* other ) { this->m_AssociatedSlices.push_back( other ); this->Modified( ); } // ------------------------------------------------------------------------- void cpExtensions::Visualization::ImageSliceActors:: SetSlicesCommand( TCursorCommand cmd, void* data ) { this->SlicesCommand = cmd; this->SlicesData = data; this->Modified( ); } // ------------------------------------------------------------------------- vtkInteractorStyle* cpExtensions::Visualization::ImageSliceActors:: GetStyle( ) { return( this->m_Style.GetPointer( ) ); } // ------------------------------------------------------------------------- const vtkInteractorStyle* cpExtensions::Visualization::ImageSliceActors:: GetStyle( ) const { return( this->m_Style.GetPointer( ) ); } // ------------------------------------------------------------------------- void cpExtensions::Visualization::ImageSliceActors:: PushActorsInto( vtkRenderWindow* window, bool force_style ) { if( window == NULL ) return; vtkRenderWindowInteractor* rwi = window->GetInteractor( ); vtkRenderer* renderer = window->GetRenderers( )->GetFirstRenderer( ); if( rwi == NULL || renderer == NULL ) return; // Update style if( force_style ) { this->_ConfigureStyle( ); rwi->SetInteractorStyle( this->m_Style ); } // fi // Update actors # error USE vtkActorCollection interface /* TODO for( unsigned int n = 0; n < this->GetNumberOfImageActors( ); ++n ) renderer->AddActor( this->GetImageActor( n ) ); renderer->AddActor( this->m_CursorActor ); renderer->AddActor( this->m_PlaneActor ); renderer->AddActor( this->m_TextActor ); renderer->Modified( ); */ // Configure camera vtkCamera* camera = renderer->GetActiveCamera( ); if( camera != NULL && force_style ) { // Parallel projections are better when displaying 2D images int axis = this->GetAxis( ); camera->ParallelProjectionOn( ); camera->SetFocalPoint( double( 0 ), double( 0 ), double( 0 ) ); if( axis == 0 ) { camera->SetPosition( double( 1 ), double( 0 ), double( 0 ) ); camera->SetViewUp ( double( 0 ), double( 1 ), double( 0 ) ); } else if( axis == 1 ) { camera->SetPosition( double( 0 ), double( 1 ), double( 0 ) ); camera->SetViewUp ( double( 0 ), double( 0 ), double( -1 ) ); } else // if( axis == 2 ) { camera->SetPosition( double( 0 ), double( 0 ), double( 1 ) ); camera->SetViewUp ( double( 0 ), double( 1 ), double( 0 ) ); } // fi } // fi renderer->ResetCamera( ); rwi->Render( ); } // ------------------------------------------------------------------------- void cpExtensions::Visualization::ImageSliceActors:: PopActorsFrom( vtkRenderWindow* window ) { vtkRenderWindowInteractor* rwi = window->GetInteractor( ); vtkRenderer* renderer = window->GetRenderers( )->GetFirstRenderer( ); if( renderer != NULL ) { // Update actors # error USE vtkActorCollection interface /* TODO for( unsigned int n = 0; n < this->GetNumberOfImageActors( ); ++n ) renderer->RemoveActor( this->GetImageActor( n ) ); renderer->RemoveActor( this->m_CursorActor ); renderer->RemoveActor( this->m_PlaneActor ); renderer->RemoveActor( this->m_TextActor ); renderer->Modified( ); */ } // fi if( rwi != NULL ) rwi->Render( ); } // ------------------------------------------------------------------------- unsigned int cpExtensions::Visualization::ImageSliceActors:: GetNumberOfImageActors( ) const { return( this->m_ImageActors.size( ) ); } // ------------------------------------------------------------------------- vtkImageActor* cpExtensions::Visualization::ImageSliceActors:: GetImageActor( unsigned int id ) { if( id < this->m_ImageActors.size( ) ) return( this->m_ImageActors[ id ] ); else return( NULL ); } // ------------------------------------------------------------------------- const vtkImageActor* cpExtensions::Visualization::ImageSliceActors:: GetImageActor( unsigned int id ) const { if( id < this->m_ImageActors.size( ) ) return( this->m_ImageActors[ id ] ); else return( NULL ); } // ------------------------------------------------------------------------- vtkTextActor* cpExtensions::Visualization::ImageSliceActors:: GetTextActor( ) { return( this->m_TextActor ); } // ------------------------------------------------------------------------- const vtkTextActor* cpExtensions::Visualization::ImageSliceActors:: GetTextActor( ) const { return( this->m_TextActor ); } // ------------------------------------------------------------------------- vtkActor* cpExtensions::Visualization::ImageSliceActors:: GetPlaneActor( ) { return( this->m_PlaneActor ); } // ------------------------------------------------------------------------- const vtkActor* cpExtensions::Visualization::ImageSliceActors:: GetPlaneActor( ) const { return( this->m_PlaneActor ); } // ------------------------------------------------------------------------- vtkPlane* cpExtensions::Visualization::ImageSliceActors:: GetPlaneFunction( ) { return( this->m_PlaneFunction ); } // ------------------------------------------------------------------------- const vtkPlane* cpExtensions::Visualization::ImageSliceActors:: GetPlaneFunction( ) const { return( this->m_PlaneFunction ); } // ------------------------------------------------------------------------- void cpExtensions::Visualization::ImageSliceActors:: AddActor( vtkAlgorithm* algorithm, vtkActor* actor ) { this->m_AssociatedActors.push_back( TAssociatedActor( algorithm, actor ) ); this->AddItem( actor ); } // ------------------------------------------------------------------------- void cpExtensions::Visualization::ImageSliceActors:: AddActor( vtkActor* actor ) { this->AddActor( NULL, actor ); } // ------------------------------------------------------------------------- void cpExtensions::Visualization::ImageSliceActors:: SetInterpolate( bool v ) { if( this->Interpolate != v ) { for( unsigned int i = 0; i < this->m_ImageActors.size( ); ++i ) this->m_ImageActors[ i ]->SetInterpolate( v ); this->Interpolate = v; this->Modified( ); } // fi } // ------------------------------------------------------------------------- void cpExtensions::Visualization::ImageSliceActors:: InterpolateOn( ) { this->SetInterpolate( true ); } // ------------------------------------------------------------------------- void cpExtensions::Visualization::ImageSliceActors:: InterpolateOff( ) { this->SetInterpolate( false ); } // ------------------------------------------------------------------------- double* cpExtensions::Visualization::ImageSliceActors:: GetDisplayBounds( ) const { if( this->m_ImageActors.size( ) > 0 ) return( this->m_ImageActors[ 0 ]->GetDisplayBounds( ) ); else return( NULL ); } // ------------------------------------------------------------------------- void cpExtensions::Visualization::ImageSliceActors:: GetDisplayBounds( double bounds[ 6 ] ) const { if( this->m_ImageActors.size( ) == 0 ) { bounds[ 0 ] = bounds[ 2 ] = bounds[ 4 ] = double( -1 ); bounds[ 1 ] = bounds[ 3 ] = bounds[ 5 ] = double( -1 ); } else this->m_ImageActors[ 0 ]->GetDisplayBounds( bounds ); } // ------------------------------------------------------------------------- void cpExtensions::Visualization::ImageSliceActors:: ResetCursor( ) { vtkPoints* points = this->m_Cursor->GetPoints( ); points->SetPoint( 0, 0, 0, 0 ); points->SetPoint( 1, 0, 0, 0 ); points->SetPoint( 2, 0, 0, 0 ); points->SetPoint( 3, 0, 0, 0 ); points->SetPoint( 4, 0, 0, 0 ); points->SetPoint( 5, 0, 0, 0 ); points->SetPoint( 6, 0, 0, 0 ); points->SetPoint( 7, 0, 0, 0 ); this->m_Cursor->Modified( ); this->m_CursorMapper->Modified( ); this->m_CursorActor->Modified( ); } // ------------------------------------------------------------------------- void cpExtensions::Visualization::ImageSliceActors:: SetCursor( double pos[ 3 ] ) { if( this->m_SliceMappers.size( ) == 0 ) return; // Get ordered axes int a0 = this->GetAxis( ); int a1 = ( a0 + 1 ) % 3; int a2 = ( a0 + 2 ) % 3; int ma0 = a0 << 1; int ma1 = a1 << 1; int ma2 = a2 << 1; double bounds[ 6 ]; this->m_SliceMappers[ 0 ]->GetInput( )->GetBounds( bounds ); double p0[ 3 ], p1[ 3 ], p2[ 3 ], p3[ 3 ], p4[ 3 ], p5[ 3 ], p6[ 3 ], p7[ 3 ]; p0[ a2 ] = p1[ a2 ] = p4[ a2 ] = p5[ a2 ] = pos[ a2 ]; p2[ a1 ] = p3[ a1 ] = p6[ a1 ] = p7[ a1 ] = pos[ a1 ]; p0[ a0 ] = p1[ a0 ] = p2[ a0 ] = p3[ a0 ] = bounds[ ma0 ]; p4[ a0 ] = p5[ a0 ] = p6[ a0 ] = p7[ a0 ] = bounds[ ma0 + 1 ]; p0[ a1 ] = p4[ a1 ] = bounds[ ma1 ]; p1[ a1 ] = p5[ a1 ] = bounds[ ma1 + 1 ]; p2[ a2 ] = p6[ a2 ] = bounds[ ma2 ]; p3[ a2 ] = p7[ a2 ] = bounds[ ma2 + 1 ]; vtkPoints* points = this->m_Cursor->GetPoints( ); points->SetPoint( 0, p0 ); points->SetPoint( 1, p1 ); points->SetPoint( 2, p2 ); points->SetPoint( 3, p3 ); points->SetPoint( 4, p4 ); points->SetPoint( 5, p5 ); points->SetPoint( 6, p6 ); points->SetPoint( 7, p7 ); this->m_Cursor->Modified( ); this->m_CursorMapper->Modified( ); this->m_CursorActor->Modified( ); } // ------------------------------------------------------------------------- vtkImageMapToColors* cpExtensions::Visualization::ImageSliceActors:: GetImageMap( unsigned int id ) { if( id < this->m_ImageMaps.size( ) ) return( this->m_ImageMaps[ id ].GetPointer( ) ); else return( NULL ); } // ------------------------------------------------------------------------- const vtkImageMapToColors* cpExtensions::Visualization::ImageSliceActors:: GetImageMap( unsigned int id ) const { if( id < this->m_ImageMaps.size( ) ) return( this->m_ImageMaps[ id ].GetPointer( ) ); else return( NULL ); } // ------------------------------------------------------------------------- double cpExtensions::Visualization::ImageSliceActors:: GetWindow( ) const { if( this->m_ImageMaps.size( ) > 0 ) { if( this->m_ImageMaps[ 0 ].GetPointer( ) != NULL ) { vtkWindowLevelLookupTable* lut = dynamic_cast< vtkWindowLevelLookupTable* >( this->m_ImageMaps[ 0 ]->GetLookupTable( ) ); if( lut != NULL ) return( lut->GetWindow( ) ); else return( double( 0 ) ); } else return( double( 0 ) ); } else return( double( 0 ) ); } // ------------------------------------------------------------------------- double cpExtensions::Visualization::ImageSliceActors:: GetLevel( ) const { if( this->m_ImageMaps.size( ) > 0 ) { if( this->m_ImageMaps[ 0 ].GetPointer( ) != NULL ) { vtkWindowLevelLookupTable* lut = dynamic_cast< vtkWindowLevelLookupTable* >( this->m_ImageMaps[ 0 ]->GetLookupTable( ) ); if( lut != NULL ) return( lut->GetLevel( ) ); else return( double( 0 ) ); } else return( double( 0 ) ); } else return( double( 0 ) ); } // ------------------------------------------------------------------------- void cpExtensions::Visualization::ImageSliceActors:: SetWindow( double w ) { if( this->m_ImageMaps.size( ) > 0 ) { if( this->m_ImageMaps[ 0 ].GetPointer( ) != NULL ) { vtkWindowLevelLookupTable* lut = dynamic_cast< vtkWindowLevelLookupTable* >( this->m_ImageMaps[ 0 ]->GetLookupTable( ) ); if( lut != NULL ) { /* TODO: Min and Max values are assigned 0!!! if( w < this->MinWindow ) w = this->MinWindow; if( w > this->MaxWindow ) w = this->MaxWindow; */ lut->SetWindow( w ); lut->Build( ); this->m_ImageMaps[ 0 ]->Modified( ); this->Modified( ); } // fi } // fi } // fi } // ------------------------------------------------------------------------- void cpExtensions::Visualization::ImageSliceActors:: SetLevel( double l ) { if( this->m_ImageMaps.size( ) > 0 ) { if( this->m_ImageMaps[ 0 ].GetPointer( ) != NULL ) { vtkWindowLevelLookupTable* lut = dynamic_cast< vtkWindowLevelLookupTable* >( this->m_ImageMaps[ 0 ]->GetLookupTable( ) ); if( lut != NULL ) { /* TODO: Min and Max values are assigned 0!!! if( l < this->MinLevel ) l = this->MinLevel; if( l > this->MaxLevel ) l = this->MaxLevel; */ lut->SetLevel( l ); lut->Build( ); this->m_ImageMaps[ 0 ]->Modified( ); this->Modified( ); } // fi } // fi } // fi } // ------------------------------------------------------------------------- void cpExtensions::Visualization::ImageSliceActors:: SetWindowLevel( double w, double l ) { if( this->m_ImageMaps.size( ) > 0 ) { if( this->m_ImageMaps[ 0 ].GetPointer( ) != NULL ) { vtkWindowLevelLookupTable* lut = dynamic_cast< vtkWindowLevelLookupTable* >( this->m_ImageMaps[ 0 ]->GetLookupTable( ) ); if( lut != NULL ) { /* TODO: Min and Max values are assigned 0!!! std::cout << this->MinWindow << " " << this->MaxWindow << std::endl; std::cout << this->MinLevel << " " << this->MaxLevel << std::endl; std::cout << w << " " << l << " <-> " << std::ends; if( w < this->MinWindow ) w = this->MinWindow; if( w > this->MaxWindow ) w = this->MaxWindow; if( l < this->MinLevel ) l = this->MinLevel; if( l > this->MaxLevel ) l = this->MaxLevel; std::cout << w << " " << l << std::endl; */ lut->SetWindow( w ); lut->SetLevel( l ); lut->Build( ); this->m_ImageMaps[ 0 ]->Modified( ); this->Modified( ); } // fi } // fi } // fi } // ------------------------------------------------------------------------- void cpExtensions::Visualization::ImageSliceActors:: ResetWindowLevel( ) { this->SetWindowLevel( this->MaxWindow, ( this->MaxLevel + this->MinLevel ) / double( 2 ) ); } // ------------------------------------------------------------------------- void cpExtensions::Visualization::ImageSliceActors:: SetLookupTable( unsigned int id, vtkLookupTable* lut ) { if( id < this->m_ImageMaps.size( ) && id > 0 ) { if( this->m_ImageMaps[ id ].GetPointer( ) != NULL ) { this->m_ImageMaps[ id ]->SetLookupTable( lut ); this->m_ImageMaps[ id ]->Modified( ); this->Modified( ); } // fi } // fi } // ------------------------------------------------------------------------- void cpExtensions::Visualization::ImageSliceActors:: SetLookupTableAsColor( unsigned int id, double r, double g, double b ) { static const double _0 = double( 0 ); static const double _2 = double( 2 ); static const double _4 = double( 4 ); static const double _6 = double( 6 ); static const double _OPACITY = double( 0.6 ); // Check ID consistency if( id == 0 || id >= this->m_ImageMaps.size( ) ) return; // Get image scalar range vtkAlgorithmOutput* aout = this->m_ImageMaps[ id ]->GetOutputPort( ); vtkImageData* image = dynamic_cast< vtkImageData* >( aout->GetProducer( )->GetOutputDataObject( aout->GetIndex( ) ) ); double range[ 2 ]; image->GetScalarRange( range ); // Get HSV from display color double cmax = ( r > g )? r: g; cmax = ( b > cmax )? b: cmax; double cmin = ( r < g )? r: g; cmin = ( b < cmin )? b: cmin; double d = cmax - cmin; double saturation = ( std::fabs( cmax ) > _0 )? d / cmax: _0; double value = cmax; double hue = _0; if( d > _0 ) { if( r == cmax ) hue = std::fmod( ( g - b ) / d, _6 ); else if( g == cmax ) hue = ( ( b - r ) / d ) + _2; else if( b == cmax ) hue = ( ( r - g ) / d ) + _4; hue /= _6; } // fi // Define new lookup table vtkSmartPointer< vtkLookupTable > lut = vtkSmartPointer< vtkLookupTable >::New( ); lut->SetScaleToLinear( ); lut->SetNanColor( _0, _0, _0, _0 ); lut->SetTableRange( range[ 0 ], range[ 1 ] ); lut->SetAlphaRange( _0, _OPACITY ); lut->SetHueRange( _0, hue ); lut->SetSaturationRange( _0, saturation ); lut->SetValueRange( _0, value ); lut->Build( ); this->SetLookupTable( id, lut ); } // ------------------------------------------------------------------------- int cpExtensions::Visualization::ImageSliceActors:: GetAxis( ) const { if( this->m_SliceMappers.size( ) > 0 ) return( this->m_SliceMappers[ 0 ]->GetOrientation( ) ); else return( -1 ); } // ------------------------------------------------------------------------- int cpExtensions::Visualization::ImageSliceActors:: GetSliceNumber( ) const { if( this->m_SliceMappers.size( ) > 0 ) return( this->m_SliceMappers[ 0 ]->GetSliceNumber( ) ); else return( -1 ); } // ------------------------------------------------------------------------- int cpExtensions::Visualization::ImageSliceActors:: GetSliceNumberMinValue( ) const { if( this->m_SliceMappers.size( ) > 0 ) return( this->m_SliceMappers[ 0 ]->GetSliceNumberMinValue( ) ); else return( -1 ); } // ------------------------------------------------------------------------- int cpExtensions::Visualization::ImageSliceActors:: GetSliceNumberMaxValue( ) const { if( this->m_SliceMappers.size( ) > 0 ) return( this->m_SliceMappers[ 0 ]->GetSliceNumberMaxValue( ) ); else return( -1 ); } // ------------------------------------------------------------------------- void cpExtensions::Visualization::ImageSliceActors:: SetSliceNumber( const int& slice ) { unsigned int nImages = this->m_SliceMappers.size( ); if( nImages == 0 ) return; // Change visualization extent for( unsigned int i = 0; i < nImages; ++i ) { this->m_SliceMappers[ i ]->SetSliceNumber( slice ); this->m_SliceMappers[ i ]->Modified( ); this->m_ImageActors[ i ]->Modified( ); this->m_SliceMappers[ i ]->Update( ); } // rof // Compute plane vtkAlgorithm* algo = this->m_SliceMappers[ 0 ]->GetInputAlgorithm( ); vtkInformation* info = algo->GetOutputInformation( 0 ); int ext[ 6 ]; double ori[ 3 ], spac[ 3 ], pos[ 3 ]; info->Get( vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT( ), ext ); info->Get( vtkDataObject::ORIGIN( ), ori ); info->Get( vtkDataObject::SPACING( ), spac ); this->m_SliceMappers[ 0 ]->GetSlicePlane( )->GetOrigin( pos ); // Prevent obscuring voxels by offsetting the plane geometry double xbnds[ ] = { ori[ 0 ] + ( spac[ 0 ] * double( ext[ 0 ] ) ), ori[ 0 ] + ( spac[ 0 ] * double( ext[ 1 ] ) ) }; double ybnds[ ] = { ori[ 1 ] + ( spac[ 1 ] * double( ext[ 2 ] ) ), ori[ 1 ] + ( spac[ 1 ] * double( ext[ 3 ] ) ) }; double zbnds[ ] = { ori[ 2 ] + ( spac[ 2 ] * double( ext[ 4 ] ) ), ori[ 2 ] + ( spac[ 2 ] * double( ext[ 5 ] ) ) }; if( spac[ 0 ] < double( 0 ) ) { double t = xbnds[ 0 ]; xbnds[ 0 ] = xbnds[ 1 ]; xbnds[ 1 ] = t; } // fi if( spac[ 1 ] < double( 0 ) ) { double t = ybnds[ 0 ]; ybnds[ 0 ] = ybnds[ 1 ]; ybnds[ 1 ] = t; } // fi if( spac[ 2 ] < double( 0 ) ) { double t = zbnds[ 0 ]; zbnds[ 0 ] = zbnds[ 1 ]; zbnds[ 1 ] = t; } // fi // Plane function origin this->m_PlaneFunction->SetOrigin( pos ); // Configure visualization and implicit plane orientation int axis = this->m_SliceMappers[ 0 ]->GetOrientation( ); this->m_PlaneActor->GetProperty( )->SetRepresentationToWireframe( ); this->m_PlaneActor->GetProperty( )->SetLineWidth( 2 ); vtkPoints* plane_points = this->m_Plane->GetPoints( ); if( axis == 0 ) // YZ, x-normal { this->m_PlaneFunction->SetNormal( 1, 0, 0 ); plane_points->SetPoint( 0, pos[ 0 ], ybnds[ 0 ], zbnds[ 0 ] ); plane_points->SetPoint( 1, pos[ 0 ], ybnds[ 1 ], zbnds[ 0 ] ); plane_points->SetPoint( 2, pos[ 0 ], ybnds[ 1 ], zbnds[ 1 ] ); plane_points->SetPoint( 3, pos[ 0 ], ybnds[ 0 ], zbnds[ 1 ] ); this->m_PlaneActor->GetProperty( )->SetColor( 1, 0, 0 ); } else if( axis == 1 ) // ZX, y-normal { this->m_PlaneFunction->SetNormal( 0, 1, 0 ); plane_points->SetPoint( 0, xbnds[ 0 ], pos[ 1 ], zbnds[ 0 ] ); plane_points->SetPoint( 1, xbnds[ 0 ], pos[ 1 ], zbnds[ 1 ] ); plane_points->SetPoint( 2, xbnds[ 1 ], pos[ 1 ], zbnds[ 1 ] ); plane_points->SetPoint( 3, xbnds[ 1 ], pos[ 1 ], zbnds[ 0 ] ); this->m_PlaneActor->GetProperty( )->SetColor( 0, 1, 0 ); } else // XY, z-normal { this->m_PlaneFunction->SetNormal( 0, 0, 1 ); plane_points->SetPoint( 0, xbnds[ 0 ], ybnds[ 0 ], pos[ 2 ] ); plane_points->SetPoint( 1, xbnds[ 1 ], ybnds[ 0 ], pos[ 2 ] ); plane_points->SetPoint( 2, xbnds[ 1 ], ybnds[ 1 ], pos[ 2 ] ); plane_points->SetPoint( 3, xbnds[ 0 ], ybnds[ 1 ], pos[ 2 ] ); this->m_PlaneActor->GetProperty( )->SetColor( 0, 0, 1 ); } // fi this->m_PlaneFunction->Modified( ); this->m_Plane->Modified( ); this->m_PlaneMapper->Modified( ); this->m_PlaneActor->Modified( ); // Prepare other actors to update /* TODO for( unsigned int i = 0; i < this->OtherActors.size( ); ++i ) { if( this->OtherActors[ i ].first.GetPointer( ) != NULL ) { this->OtherActors[ i ].first->Modified( ); this->OtherActors[ i ].first->Update( ); } // fi if( this->OtherActors[ i ].second.GetPointer( ) != NULL ) { this->OtherActors[ i ].second->GetMapper( )->Modified( ); this->OtherActors[ i ].second->Modified( ); } // fi } // rof if( this->m_UpdateCommand != NULL ) this->m_UpdateCommand( this->m_UpdateData ); */ // Update text this->UpdateText( ); // Associated slices for( unsigned int i = 0; i < this->m_AssociatedSlices.size( ); ++i ) if( this->m_AssociatedSlices[ i ]->GetAxis( ) == this->GetAxis( ) ) this->m_AssociatedSlices[ i ]->SetSliceNumber( slice ); } // ------------------------------------------------------------------------- void cpExtensions::Visualization::ImageSliceActors:: SetSlice( double* pos ) { vtkImageData* image; if( this->m_ImageMaps[ 0 ] != NULL ) image = dynamic_cast< vtkImageData* >( this->m_ImageMaps[ 0 ]->GetInput( ) ); else image = this->m_SliceMappers[ 0 ]->GetInput( ); int ijk[ 3 ]; double pcoords[ 3 ]; image->ComputeStructuredCoordinates( pos, ijk, pcoords ); this->SetSliceNumber( ijk[ this->GetAxis( ) ] ); } // ------------------------------------------------------------------------- void cpExtensions::Visualization::ImageSliceActors:: UpdateText( ) { if( this->m_SliceMappers.size( ) > 0 ) { char axis; int axId = this->m_SliceMappers[ 0 ]->GetOrientation( ); if ( axId == 0 ) axis = 'X'; else if( axId == 1 ) axis = 'Y'; else if( axId == 2 ) axis = 'Z'; std::sprintf( this->m_TextBuffer, "Axis: %c (%d)", axis, this->m_SliceMappers[ 0 ]->GetSliceNumber( ) ); } else this->m_TextBuffer[ 0 ] = '\0'; this->m_TextActor->SetInput( this->m_TextBuffer ); this->m_TextActor->Modified( ); this->Modified( ); } // ------------------------------------------------------------------------- void cpExtensions::Visualization::ImageSliceActors:: UpdateText( double pos[ 3 ] ) { /* TODO if( this->m_SliceMappers.size( ) > 0 ) { char axis; int axId = this->m_SliceMappers[ 0 ]->GetOrientation( ); if ( axId == 0 ) axis = 'X'; else if( axId == 1 ) axis = 'Y'; else if( axId == 2 ) axis = 'Z'; int slice = this->GetSliceNumber( ); vtkImageData* image; if( this->m_ImageMaps[ 0 ] != NULL ) image = dynamic_cast< vtkImageData* >( this->m_ImageMaps[ 0 ]->GetInput( ) ); else image = this->m_SliceMappers[ 0 ]->GetInput( ); int ijk[ 3 ]; double pcoords[ 3 ]; image->ComputeStructuredCoordinates( pos, ijk, pcoords ); ijk[ axId ] = slice; int ext[ 6 ]; image->GetExtent( ext ); if( ext[ 0 ] <= ijk[ 0 ] && ijk[ 0 ] <= ext[ 1 ] && ext[ 2 ] <= ijk[ 1 ] && ijk[ 1 ] <= ext[ 3 ] && ext[ 4 ] <= ijk[ 2 ] && ijk[ 2 ] <= ext[ 5 ] ) { int nScl = image->GetNumberOfScalarComponents( ); std::stringstream str; str << "[" << ijk[ 0 ] << "," << ijk[ 1 ] << "," << ijk[ 2 ] << "]=("; str << image->GetScalarComponentAsFloat( ijk[ 0 ], ijk[ 1 ], ijk[ 2 ], 0 ); for( int n = 1; n < nScl; ++n ) str << " " << image->GetScalarComponentAsFloat( ijk[ 0 ], ijk[ 1 ], ijk[ 2 ], n ); str << ")"; std::sprintf( this->m_TextBuffer, "Axis: %c (%d)\nPixel %s", axis, slice, str.str( ).c_str( ) ); } // fi } else this->m_TextBuffer[ 0 ] = '\0'; this->m_TextActor->SetInput( this->m_TextBuffer ); this->m_TextActor->Modified( ); this->Modified( ); */ } // ------------------------------------------------------------------------- void cpExtensions::Visualization::ImageSliceActors:: UpdateText( const double& w, const double& l ) { if( this->m_SliceMappers.size( ) > 0 ) { char axis; int axId = this->m_SliceMappers[ 0 ]->GetOrientation( ); if ( axId == 0 ) axis = 'X'; else if( axId == 1 ) axis = 'Y'; else if( axId == 2 ) axis = 'Z'; std::sprintf( this->m_TextBuffer, "Axis: %c (%d)\nW/L (%.2f/%.2f)", axis, this->m_SliceMappers[ 0 ]->GetSliceNumber( ), w, l ); } else this->m_TextBuffer[ 0 ] = '\0'; this->m_TextActor->SetInput( this->m_TextBuffer ); this->m_TextActor->Modified( ); this->Modified( ); } // ------------------------------------------------------------------------- cpExtensions::Visualization::ImageSliceActors:: ImageSliceActors( ) : Superclass( ), Interpolate( false ) { this->Clear( ); this->SlicesCommand = NULL; } // ------------------------------------------------------------------------- cpExtensions::Visualization::ImageSliceActors:: ~ImageSliceActors( ) { } // ------------------------------------------------------------------------- void cpExtensions::Visualization::ImageSliceActors:: _ConfigureStyle( ) { // Connect this view with a controller this->m_Style = vtkSmartPointer< ImageInteractorStyle >::New( ); this->m_Style->AddMouseMoveCommand( Self::_MouseMoveCommand, this ); this->m_Style->AddMouseClickCommand( Self::_MouseClickCommand, this ); this->m_Style->AddMouseDoubleClickCommand( Self::_MouseDoubleClickCommand, this ); this->m_Style->AddMouseWheelCommand( Self::_MouseWheelCommand, this ); this->m_Style->AddKeyCommand( Self::_KeyCommand, this ); } // ------------------------------------------------------------------------- void cpExtensions::Visualization::ImageSliceActors:: _ConfigureNewLUT( vtkImageData* data ) { // Does the new LUT is a window-level one? unsigned int nImgs = this->m_ImageMaps.size( ); unsigned int nCmps = data->GetNumberOfScalarComponents( ); if( nCmps > 1 ) { this->m_ImageMaps.push_back( NULL ); return; } // fi // Create LUT filter this->m_ImageMaps.push_back( vtkSmartPointer< vtkImageMapToColors >::New( ) ); if( nImgs == 0 ) { double range[ 2 ]; data->GetScalarRange( range ); vtkSmartPointer< vtkWindowLevelLookupTable > lut = vtkSmartPointer< vtkWindowLevelLookupTable >::New( ); lut->SetScaleToLinear( ); lut->SetTableRange( range ); lut->SetWindow( range[ 1 ] - range[ 0 ] ); lut->SetLevel( ( range[ 1 ] + range[ 0 ] ) / double( 2 ) ); lut->Build( ); this->m_ImageMaps[ 0 ]->SetLookupTable( lut ); this->MinWindow = double( 0 ); this->MaxWindow = range[ 1 ] - range[ 0 ]; this->MinLevel = range[ 0 ]; this->MaxLevel = range[ 1 ]; } else this->SetLookupTableAsColor( nImgs, 1, 0, 0 ); } // ------------------------------------------------------------------------- void cpExtensions::Visualization::ImageSliceActors:: _ConfigureNewInput( int axis ) { unsigned int nImages = this->m_ImageActors.size( ); // Configure mapper vtkImageSliceMapper* mapper = this->m_SliceMappers[ nImages ]; if( nImages == 0 ) mapper->SetOrientation( axis ); else mapper->SetOrientation( this->m_SliceMappers[ 0 ]->GetOrientation( ) ); mapper->Update( ); // Create actor vtkSmartPointer< vtkImageActor > actor = vtkSmartPointer< vtkImageActor >::New( ); this->m_ImageActors.push_back( actor ); actor->SetMapper( mapper ); actor->SetInterpolate( this->Interpolate ); actor->Modified( ); if( nImages == 0 ) this->m_Style->AssociateImageActor( actor ); this->AddItem( actor ); if( nImages > 1 ) this->SetSliceNumber( this->GetSliceNumber( ) ); this->Modified( ); } // ------------------------------------------------------------------------- void cpExtensions::Visualization::ImageSliceActors:: _MouseMoveCommand( void* data, const ImageInteractorStyle::ButtonID& btn, double* pos, bool alt, bool ctr, bool sft ) { ImageSliceActors* actors = reinterpret_cast< ImageSliceActors* >( data ); if( actors == NULL ) return; if( btn == ImageInteractorStyle::ButtonID_None ) { actors->UpdateText( pos ); } else if( btn == ImageInteractorStyle::ButtonID_Left ) { if( !alt && ctr && !sft && actors->SlicesCommand != NULL ) actors->SlicesCommand( pos, actors->GetAxis( ), actors->SlicesData ); } else if( btn == ImageInteractorStyle::ButtonID_Middle ) { } else if( btn == ImageInteractorStyle::ButtonID_Right ) { if( !alt && !ctr && sft ) { double bounds[ 6 ]; actors->m_SliceMappers[ 0 ]->GetBounds( bounds ); int a0 = actors->GetAxis( ); int a1 = ( a0 + 1 ) % 3; int a2 = ( a0 + 2 ) % 3; double dx = pos[ a1 ] - actors->StartWindowLevelPos[ a1 ]; double dy = pos[ a2 ] - actors->StartWindowLevelPos[ a2 ]; dx /= bounds[ ( a1 << 1 ) + 1 ] - bounds[ a1 << 1 ]; dy /= bounds[ ( a2 << 1 ) + 1 ] - bounds[ a2 << 1 ]; dx *= actors->StartWindowLevel[ 0 ]; dy *= actors->StartWindowLevel[ 1 ]; actors->SetWindowLevel( actors->StartWindowLevel[ 0 ] + dx, actors->StartWindowLevel[ 1 ] + dy ); } // fi } // fi } // ------------------------------------------------------------------------- void cpExtensions::Visualization::ImageSliceActors:: _MouseClickCommand( void* data, const ImageInteractorStyle::ButtonID& btn, double* pos, bool alt, bool ctr, bool sft ) { ImageSliceActors* actors = reinterpret_cast< ImageSliceActors* >( data ); if( actors == NULL ) return; actors->StartWindowLevelPos[ 0 ] = pos[ 0 ]; actors->StartWindowLevelPos[ 1 ] = pos[ 1 ]; actors->StartWindowLevelPos[ 2 ] = pos[ 2 ]; actors->StartWindowLevel[ 0 ] = actors->GetWindow( ); actors->StartWindowLevel[ 1 ] = actors->GetLevel( ); } // ------------------------------------------------------------------------- void cpExtensions::Visualization::ImageSliceActors:: _MouseDoubleClickCommand( void* data, const ImageInteractorStyle::ButtonID& btn, double* pos, bool alt, bool ctr, bool sft ) { ImageSliceActors* actors = reinterpret_cast< ImageSliceActors* >( data ); if( actors == NULL ) return; if( btn == ImageInteractorStyle::ButtonID_Left ) { if( !alt && !ctr && !sft ) actors->SetCursor( pos ); else if( !alt && ctr && !sft && actors->SlicesCommand != NULL ) { actors->SlicesCommand( pos, actors->GetAxis( ), actors->SlicesData ); for( unsigned int i = 0; i < actors->m_CursorCommands.size( ); ++i ) actors->m_CursorCommands[ i ].first( pos, actors->GetAxis( ), actors->m_CursorCommands[ i ].second ); } // fi } else if( btn == ImageInteractorStyle::ButtonID_Middle ) { } else if( btn == ImageInteractorStyle::ButtonID_Right ) { } // fi } // ------------------------------------------------------------------------- void cpExtensions::Visualization::ImageSliceActors:: _MouseWheelCommand( void* data, const int& dir, bool alt, bool ctr, bool sft ) { ImageSliceActors* actors = reinterpret_cast< ImageSliceActors* >( data ); if( actors == NULL ) return; if( !alt && !ctr && !sft ) { actors->SetSliceNumber( actors->GetSliceNumber( ) + dir ); } else if( !alt && !ctr && sft ) { actors->SetSliceNumber( actors->GetSliceNumber( ) + ( dir * 10 ) ); } // fi } // ------------------------------------------------------------------------- void cpExtensions::Visualization::ImageSliceActors:: _KeyCommand( void* data, const char& key ) { } // eof - $RCSfile$