#include <cpExtensions/Visualization/ImageSliceActors.h>
+#include <sstream>
+
#include <vtkAlgorithmOutput.h>
+#include <vtkCamera.h>
#include <vtkCellArray.h>
#include <vtkImageData.h>
-#include <vtkInformation.h>
-#include <vtkPlane.h>
#include <vtkPoints.h>
#include <vtkProperty.h>
-#include <vtkStreamingDemandDrivenPipeline.h>
+#include <vtkRenderer.h>
+#include <vtkRendererCollection.h>
+#include <vtkRenderWindow.h>
+#include <vtkRenderWindowInteractor.h>
#include <vtkTextProperty.h>
// -------------------------------------------------------------------------
return( new Self( ) );
}
+// -------------------------------------------------------------------------
+cpExtensions::Visualization::
+ImageBlender* cpExtensions::Visualization::ImageSliceActors::
+GetBlender( )
+{
+ return( this->m_ImageBlender );
+}
+
+// -------------------------------------------------------------------------
+const cpExtensions::Visualization::
+ImageBlender* cpExtensions::Visualization::ImageSliceActors::
+GetBlender( ) const
+{
+ return( this->m_ImageBlender );
+}
+
// -------------------------------------------------------------------------
void cpExtensions::Visualization::ImageSliceActors::
-AddInputConnection( vtkAlgorithmOutput* aout, int axis )
+SetBlender( ImageBlender* blender )
{
- unsigned int nImages = this->SliceMappers.size( );
+ this->m_ImageBlender = blender;
- vtkSmartPointer< vtkImageSliceMapper > mapper =
- vtkSmartPointer< vtkImageSliceMapper >::New( );
- this->SliceMappers.push_back( mapper );
- mapper->SetInputConnection( aout );
- mapper->SetOrientation(
- ( nImages == 0 )? axis: this->SliceMappers[ 0 ]->GetOrientation( )
+ // Create mapper and actors
+ this->m_ImageMapper = vtkSmartPointer< vtkImageSliceMapper >::New( );
+ this->m_ImageMapper->SetInputConnection(
+ this->m_ImageBlender->GetOutputPort( )
);
- mapper->Update( );
-
- this->SetSliceNumber( this->SliceMappers[ 0 ]->GetSliceNumber( ) );
+ this->m_ImageMapper->SetOrientation( 0 );
+ this->m_ImageMapper->Update( );
- vtkSmartPointer< vtkImageActor > actor =
- vtkSmartPointer< vtkImageActor >::New( );
- this->ImageActors.push_back( actor );
- actor->SetMapper( mapper );
- actor->Modified( );
+ // Create actor
+ this->m_ImageActor = vtkSmartPointer< vtkImageActor >::New( );
+ this->m_ImageActor->SetMapper( this->m_ImageMapper );
+ this->m_ImageActor->SetInterpolate( this->m_Interpolate );
+ this->m_ImageActor->Modified( );
- if( nImages == 0 )
- {
- this->AddItem( this->TextActor );
- this->AddItem( this->PlaneActor );
+ if( this->m_Style.GetPointer( ) != NULL )
+ this->m_Style->AssociateImageActor( this->m_ImageActor );
+ this->AddItem( this->m_ImageActor );
- } // fi
- this->AddItem( actor );
+ this->SetSliceNumber( this->GetSliceNumberMinValue( ) );
+ this->ResetCursor( );
this->Modified( );
}
// -------------------------------------------------------------------------
void cpExtensions::Visualization::ImageSliceActors::
-AddInputData( vtkImageData* data, int axis )
+SetAxis( int axis )
{
- unsigned int nImages = this->SliceMappers.size( );
+ this->m_ImageMapper->SetOrientation( axis );
+ this->m_ImageMapper->Update( );
+ this->SetSliceNumber( this->GetSliceNumberMinValue( ) );
+ this->m_ImageActor->Modified( );
+ this->Modified( );
+ this->ResetCamera( );
+}
- vtkSmartPointer< vtkImageSliceMapper > mapper =
- vtkSmartPointer< vtkImageSliceMapper >::New( );
- this->SliceMappers.push_back( mapper );
- mapper->SetInputData( data );
- mapper->SetOrientation(
- ( nImages == 0 )? axis: this->SliceMappers[ 0 ]->GetOrientation( )
- );
- mapper->Update( );
-
- this->SetSliceNumber( this->SliceMappers[ 0 ]->GetSliceNumber( ) );
+// -------------------------------------------------------------------------
+void cpExtensions::Visualization::ImageSliceActors::
+AddInputConnection( vtkAlgorithmOutput* aout )
+{
+ // Get input vtkImageData
+ if( aout == NULL )
+ return;
+
+ if( this->m_ImageBlender.GetPointer( ) == NULL )
+ {
+ // Try to infere if input comes from a color mapping filter
+ vtkAlgorithm* producer = aout->GetProducer( );
+ vtkSmartPointer< ImageBlender > blender =
+ dynamic_cast< ImageBlender* >( producer );
+ if( blender.GetPointer( ) == NULL )
+ {
+ // Ok, create a new blender with default window level
+ vtkImageData* data = dynamic_cast< vtkImageData* >(
+ producer->GetOutputDataObject( aout->GetIndex( ) )
+ );
+ double r[ 2 ];
+ data->GetScalarRange( r );
+
+ blender = vtkSmartPointer< ImageBlender >::New( );
+ blender->AddInputConnection( aout );
+ blender->SetWindow( r[ 1 ] - r[ 0 ] );
+ blender->SetLevel( ( r[ 1 ] + r[ 0 ] ) / double( 2 ) );
+
+ } // fi
+ this->SetBlender( blender );
+ }
+ else
+ this->m_ImageBlender->AddInputConnection( aout );
+}
- vtkSmartPointer< vtkImageActor > actor =
- vtkSmartPointer< vtkImageActor >::New( );
- this->ImageActors.push_back( actor );
- actor->SetMapper( mapper );
- actor->Modified( );
+// -------------------------------------------------------------------------
+void cpExtensions::Visualization::ImageSliceActors::
+AddInputData( vtkImageData* data )
+{
+ // Get input vtkImageData
+ if( data == NULL )
+ return;
- if( nImages == 0 )
+ if( this->m_ImageBlender.GetPointer( ) == NULL )
{
- this->AddItem( this->TextActor );
- this->AddItem( this->PlaneActor );
+ // Create a new blender with default window level
+ double r[ 2 ];
+ data->GetScalarRange( r );
- } // fi
- this->AddItem( actor );
- this->Modified( );
+ vtkSmartPointer< ImageBlender > blender =
+ vtkSmartPointer< ImageBlender >::New( );
+ blender->AddInputData( data );
+ blender->SetWindow( r[ 1 ] - r[ 0 ] );
+ blender->SetLevel( ( r[ 1 ] + r[ 0 ] ) / double( 2 ) );
+ this->SetBlender( blender );
+ }
+ else
+ this->m_ImageBlender->AddInputData( data );
}
// -------------------------------------------------------------------------
void cpExtensions::Visualization::ImageSliceActors::
Clear( )
{
+ // Reset values
+ this->m_VisibleExtent[ 0 ] =
+ this->m_VisibleExtent[ 2 ] =
+ this->m_VisibleExtent[ 4 ] = -1;
+ this->m_VisibleExtent[ 1 ] =
+ this->m_VisibleExtent[ 3 ] =
+ this->m_VisibleExtent[ 5 ] = 0;
+ this->m_VisibleBounds[ 0 ] =
+ this->m_VisibleBounds[ 2 ] =
+ this->m_VisibleBounds[ 4 ] = double( 0 );
+ this->m_VisibleBounds[ 1 ] =
+ this->m_VisibleBounds[ 3 ] =
+ this->m_VisibleBounds[ 5 ] = double( 0 );
+
// Unbind from container
this->RemoveAllItems( );
// Delete all images
- this->SliceMappers.clear( );
- this->ImageActors.clear( );
+ this->m_ImageActor = NULL;
+ this->m_ImageMapper = NULL;
+ this->m_ImageBlender = NULL;
// Reconfigure unique objects
- this->PlaneSource = vtkSmartPointer< vtkPolyData >::New( );
- this->PlaneMapper = vtkSmartPointer< vtkPolyDataMapper >::New( );
- this->TextActor = vtkSmartPointer< vtkTextActor >::New( );
- this->PlaneActor = vtkSmartPointer< vtkActor >::New( );
- this->TextBuffer[ 0 ] = '\0';
+ this->m_Cursor = vtkSmartPointer< vtkPolyData >::New( );
+ this->m_CursorMapper = vtkSmartPointer< vtkPolyDataMapper >::New( );
+ this->m_CursorActor = vtkSmartPointer< vtkActor >::New( );
+ this->m_HorizontalLine = vtkSmartPointer< vtkPolyData >::New( );
+ this->m_HorizontalLineMapper = vtkSmartPointer< vtkPolyDataMapper >::New( );
+ this->m_HorizontalLineActor = vtkSmartPointer< vtkActor >::New( );
+ this->m_VerticalLine = vtkSmartPointer< vtkPolyData >::New( );
+ this->m_VerticalLineMapper = vtkSmartPointer< vtkPolyDataMapper >::New( );
+ this->m_VerticalLineActor = vtkSmartPointer< vtkActor >::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 > h_points =
+ vtkSmartPointer< vtkPoints >::New( );
+ vtkSmartPointer< vtkCellArray > h_lines =
+ vtkSmartPointer< vtkCellArray >::New( );
+ h_points->InsertNextPoint( 0, 0, 0 );
+ h_points->InsertNextPoint( 0, 0, 0 );
+ h_lines->InsertNextCell( 2 );
+ h_lines->InsertCellPoint( 0 );
+ h_lines->InsertCellPoint( 1 );
+ this->m_HorizontalLine->SetPoints( h_points );
+ this->m_HorizontalLine->SetLines( h_lines );
+ this->m_HorizontalLineMapper->SetInputData( this->m_HorizontalLine );
+ this->m_HorizontalLineActor->SetMapper( this->m_HorizontalLineMapper );
+
+ vtkSmartPointer< vtkPoints > v_points =
+ vtkSmartPointer< vtkPoints >::New( );
+ vtkSmartPointer< vtkCellArray > v_lines =
+ vtkSmartPointer< vtkCellArray >::New( );
+ v_points->InsertNextPoint( 0, 0, 0 );
+ v_points->InsertNextPoint( 0, 0, 0 );
+ v_lines->InsertNextCell( 2 );
+ v_lines->InsertCellPoint( 0 );
+ v_lines->InsertCellPoint( 1 );
+ this->m_VerticalLine->SetPoints( v_points );
+ this->m_VerticalLine->SetLines( v_lines );
+ this->m_VerticalLineMapper->SetInputData( this->m_VerticalLine );
+ this->m_VerticalLineActor->SetMapper( this->m_VerticalLineMapper );
+
vtkSmartPointer< vtkPoints > plane_points =
vtkSmartPointer< vtkPoints >::New( );
vtkSmartPointer< vtkCellArray > plane_lines =
plane_lines->InsertCellPoint( 2 );
plane_lines->InsertCellPoint( 3 );
plane_lines->InsertCellPoint( 0 );
- this->PlaneSource->SetPoints( plane_points );
- this->PlaneSource->SetLines( plane_lines );
+ this->m_Plane->SetPoints( plane_points );
+ this->m_Plane->SetLines( plane_lines );
- this->PlaneMapper->SetInputData( this->PlaneSource );
- this->PlaneActor->SetMapper( this->PlaneMapper );
+ this->m_PlaneMapper->SetInputData( this->m_Plane );
+ this->m_PlaneActor->SetMapper( this->m_PlaneMapper );
- this->TextActor->SetTextScaleModeToNone( );
- vtkTextProperty* textprop = this->TextActor->GetTextProperty( );
+ this->m_TextActor->SetTextScaleModeToNone( );
+ vtkTextProperty* textprop = this->m_TextActor->GetTextProperty( );
textprop->SetColor( 1, 1, 1 );
textprop->SetFontFamilyToCourier( );
textprop->SetFontSize( 18 );
textprop->ShadowOff( );
textprop->SetJustificationToLeft( );
textprop->SetVerticalJustificationToBottom( );
- vtkCoordinate* coord = this->TextActor->GetPositionCoordinate( );
+ 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_HorizontalLineActor );
+ this->AddItem( this->m_VerticalLineActor );
+ this->AddItem( this->m_TextActor );
+ this->AddItem( this->m_PlaneActor );
}
// -------------------------------------------------------------------------
-unsigned int cpExtensions::Visualization::ImageSliceActors::
-GetNumberOfImageActors( ) const
+void cpExtensions::Visualization::ImageSliceActors::
+AssociateSlice( Self* slice )
{
- return( this->ImageActors.size( ) );
+ this->m_AssociatedSlices.push_back( slice );
+ this->Modified( );
}
// -------------------------------------------------------------------------
-vtkImageActor* cpExtensions::Visualization::ImageSliceActors::
-GetImageActor( unsigned int id )
+vtkInteractorStyle* cpExtensions::Visualization::ImageSliceActors::
+GetStyle( )
+{
+ return( this->m_Style.GetPointer( ) );
+}
+
+// -------------------------------------------------------------------------
+const vtkInteractorStyle* cpExtensions::Visualization::ImageSliceActors::
+GetStyle( ) const
{
- if( id < this->ImageActors.size( ) )
- return( this->ImageActors[ id ] );
+ return( this->m_Style.GetPointer( ) );
+}
+
+// -------------------------------------------------------------------------
+vtkImageData* cpExtensions::Visualization::ImageSliceActors::
+GetInputImage( unsigned int id )
+{
+ if( this->m_ImageBlender.GetPointer( ) != NULL )
+ return(
+ dynamic_cast< vtkImageData* >( this->m_ImageBlender->GetInput( id ) )
+ );
else
return( NULL );
}
// -------------------------------------------------------------------------
-const vtkImageActor* cpExtensions::Visualization::ImageSliceActors::
-GetImageActor( unsigned int id ) const
+const vtkImageData* cpExtensions::Visualization::ImageSliceActors::
+GetInputImage( unsigned int id ) const
{
- if( id < this->ImageActors.size( ) )
- return( this->ImageActors[ id ] );
+ if( this->m_ImageBlender.GetPointer( ) != NULL )
+ return(
+ dynamic_cast< const vtkImageData* >(
+ this->m_ImageBlender->GetInput( )
+ )
+ );
else
return( NULL );
}
+// -------------------------------------------------------------------------
+void cpExtensions::Visualization::ImageSliceActors::
+PushActorsInto( vtkRenderWindow* window, bool force_style )
+{
+ this->m_Window = window;
+ if( window == NULL )
+ return;
+ vtkRenderWindowInteractor* rwi = window->GetInteractor( );
+ vtkRenderer* renderer = window->GetRenderers( )->GetFirstRenderer( );
+ if( rwi == NULL || renderer == NULL )
+ return;
+
+ // Update style
+ if( this->m_Style.GetPointer( ) != NULL && force_style )
+ rwi->SetInteractorStyle( this->m_Style );
+
+ // Update actors
+ vtkProp* prop;
+ this->InitTraversal( );
+ while( prop = this->GetNextProp( ) )
+ renderer->AddViewProp( prop );
+ renderer->Modified( );
+ if( !force_style )
+ {
+ renderer->RemoveViewProp( this->m_CursorActor );
+ renderer->RemoveViewProp( this->m_TextActor );
+
+ } // fi
+
+ // 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( 0 ), double( 1 ) );
+ }
+ 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
+ this->ResetCamera( );
+ rwi->Render( );
+}
+
+// -------------------------------------------------------------------------
+void cpExtensions::Visualization::ImageSliceActors::
+PopActorsFrom( vtkRenderWindow* window )
+{
+ vtkRenderWindowInteractor* rwi = window->GetInteractor( );
+ vtkRenderer* renderer = window->GetRenderers( )->GetFirstRenderer( );
+
+ if( renderer != NULL )
+ {
+ // Update actors
+ vtkProp* prop;
+ this->InitTraversal( );
+ while( prop = this->GetNextProp( ) )
+ renderer->RemoveViewProp( prop );
+ renderer->Modified( );
+
+ } // fi
+ if( rwi != NULL )
+ rwi->Render( );
+}
+
+// -------------------------------------------------------------------------
+vtkImageActor* cpExtensions::Visualization::ImageSliceActors::
+GetImageActor( )
+{
+ return( this->m_ImageActor );
+}
+
+// -------------------------------------------------------------------------
+const vtkImageActor* cpExtensions::Visualization::ImageSliceActors::
+GetImageActor( ) const
+{
+ return( this->m_ImageActor );
+}
+
// -------------------------------------------------------------------------
vtkTextActor* cpExtensions::Visualization::ImageSliceActors::
GetTextActor( )
{
- return( this->TextActor );
+ return( this->m_TextActor );
}
// -------------------------------------------------------------------------
const vtkTextActor* cpExtensions::Visualization::ImageSliceActors::
GetTextActor( ) const
{
- return( this->TextActor );
+ return( this->m_TextActor );
}
// -------------------------------------------------------------------------
vtkActor* cpExtensions::Visualization::ImageSliceActors::
GetPlaneActor( )
{
- return( this->PlaneActor );
+ return( this->m_PlaneActor );
}
// -------------------------------------------------------------------------
const vtkActor* cpExtensions::Visualization::ImageSliceActors::
GetPlaneActor( ) const
{
- return( this->PlaneActor );
+ return( this->m_PlaneActor );
+}
+
+// -------------------------------------------------------------------------
+vtkPlane* cpExtensions::Visualization::ImageSliceActors::
+GetPlaneFunction( )
+{
+ if( this->m_ImageMapper.GetPointer( ) != NULL )
+ return( this->m_ImageMapper->GetSlicePlane( ) );
+ else
+ return( NULL );
+}
+
+// -------------------------------------------------------------------------
+const vtkPlane* cpExtensions::Visualization::ImageSliceActors::
+GetPlaneFunction( ) const
+{
+ if( this->m_ImageMapper.GetPointer( ) != NULL )
+ return( this->m_ImageMapper->GetSlicePlane( ) );
+ else
+ return( NULL );
+}
+
+// -------------------------------------------------------------------------
+void cpExtensions::Visualization::ImageSliceActors::
+SetInterpolate( bool v )
+{
+ if( this->m_Interpolate != v )
+ {
+ this->m_ImageActor->SetInterpolate( v );
+ this->m_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->ImageActors.size( ) > 0 )
- return( this->ImageActors[ 0 ]->GetDisplayBounds( ) );
+ if( this->m_ImageActor.GetPointer( ) != NULL )
+ return( this->m_ImageActor->GetDisplayBounds( ) );
else
return( NULL );
}
void cpExtensions::Visualization::ImageSliceActors::
GetDisplayBounds( double bounds[ 6 ] ) const
{
- if( this->ImageActors.size( ) > 0 )
- this->ImageActors[ 0 ]->GetDisplayBounds( bounds );
+ if( this->m_ImageActor.GetPointer( ) == NULL )
+ {
+ bounds[ 0 ] = bounds[ 2 ] = bounds[ 4 ] = double( -1 );
+ bounds[ 1 ] = bounds[ 3 ] = bounds[ 5 ] = double( -1 );
+ }
+ else
+ this->m_ImageActor->GetDisplayBounds( bounds );
+}
+
+// -------------------------------------------------------------------------
+void cpExtensions::Visualization::ImageSliceActors::
+ResetCursor( )
+{
+ if( this->m_ImageMapper.GetPointer( ) != NULL )
+ {
+ double bounds[ 6 ];
+ this->m_ImageMapper->GetInput( )->GetBounds( bounds );
+ double pos[] =
+ {
+ this->m_VisibleBounds[ 0 ],
+ this->m_VisibleBounds[ 2 ],
+ this->m_VisibleBounds[ 4 ]
+ };
+ this->SetCursor( pos );
+ }
+ else
+ {
+ 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( );
+
+ } // fi
+}
+
+// -------------------------------------------------------------------------
+void cpExtensions::Visualization::ImageSliceActors::
+SetCursor( double pos[ 3 ] )
+{
+ if( this->m_ImageMapper.GetPointer( ) == NULL )
+ 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;
+
+ // Update cross
+ double* bounds = this->m_VisibleBounds;
+ 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( );
+}
+
+// -------------------------------------------------------------------------
+double cpExtensions::Visualization::ImageSliceActors::
+GetMinWindow( ) const
+{
+ if( this->m_ImageBlender.GetPointer( ) != NULL )
+ return( this->m_ImageBlender->GetMinWindow( ) );
+ else
+ return( double( 0 ) );
+}
+
+// -------------------------------------------------------------------------
+double cpExtensions::Visualization::ImageSliceActors::
+GetMaxWindow( ) const
+{
+ if( this->m_ImageBlender.GetPointer( ) != NULL )
+ return( this->m_ImageBlender->GetMaxWindow( ) );
+ else
+ return( double( 0 ) );
+}
+
+// -------------------------------------------------------------------------
+double cpExtensions::Visualization::ImageSliceActors::
+GetMinLevel( ) const
+{
+ if( this->m_ImageBlender.GetPointer( ) != NULL )
+ return( this->m_ImageBlender->GetMinLevel( ) );
+ else
+ return( double( 0 ) );
+}
+
+// -------------------------------------------------------------------------
+double cpExtensions::Visualization::ImageSliceActors::
+GetMaxLevel( ) const
+{
+ if( this->m_ImageBlender.GetPointer( ) != NULL )
+ return( this->m_ImageBlender->GetMaxLevel( ) );
+ else
+ return( double( 0 ) );
+}
+
+// -------------------------------------------------------------------------
+double cpExtensions::Visualization::ImageSliceActors::
+GetWindow( ) const
+{
+ if( this->m_ImageBlender.GetPointer( ) != NULL )
+ return( this->m_ImageBlender->GetWindow( ) );
+ else
+ return( double( 0 ) );
+}
+
+// -------------------------------------------------------------------------
+double cpExtensions::Visualization::ImageSliceActors::
+GetLevel( ) const
+{
+ if( this->m_ImageBlender.GetPointer( ) != NULL )
+ return( this->m_ImageBlender->GetLevel( ) );
+ else
+ return( double( 0 ) );
+}
+
+// -------------------------------------------------------------------------
+void cpExtensions::Visualization::ImageSliceActors::
+SetWindow( double w )
+{
+ if( this->m_ImageBlender.GetPointer( ) != NULL )
+ {
+ this->m_ImageBlender->SetWindow( w );
+ this->Modified( );
+
+ } // fi
+}
+
+// -------------------------------------------------------------------------
+void cpExtensions::Visualization::ImageSliceActors::
+SetLevel( double l )
+{
+ if( this->m_ImageBlender.GetPointer( ) != NULL )
+ {
+ this->m_ImageBlender->SetLevel( l );
+ this->Modified( );
+
+ } // fi
+}
+
+// -------------------------------------------------------------------------
+void cpExtensions::Visualization::ImageSliceActors::
+SetWindowLevel( double w, double l )
+{
+ if( this->m_ImageBlender.GetPointer( ) != NULL )
+ {
+ this->m_ImageBlender->SetWindowLevel( w, l );
+ this->UpdateText( w, l );
+ this->Modified( );
+
+ } // fi
+}
+
+// -------------------------------------------------------------------------
+void cpExtensions::Visualization::ImageSliceActors::
+ResetWindowLevel( )
+{
+ std::cerr << "ACA Resetear" << std::endl;
+ std::exit( 1 );
}
// -------------------------------------------------------------------------
int cpExtensions::Visualization::ImageSliceActors::
GetAxis( ) const
{
- if( this->SliceMappers.size( ) > 0 )
- return( this->SliceMappers[ 0 ]->GetOrientation( ) );
+ if( this->m_ImageMapper.GetPointer( ) != NULL )
+ return( this->m_ImageMapper->GetOrientation( ) );
else
return( -1 );
}
int cpExtensions::Visualization::ImageSliceActors::
GetSliceNumber( ) const
{
- if( this->SliceMappers.size( ) > 0 )
- return( this->SliceMappers[ 0 ]->GetSliceNumber( ) );
+ if( this->m_ImageMapper.GetPointer( ) != NULL )
+ return( this->m_ImageMapper->GetSliceNumber( ) );
else
return( -1 );
}
int cpExtensions::Visualization::ImageSliceActors::
GetSliceNumberMinValue( ) const
{
- if( this->SliceMappers.size( ) > 0 )
- return( this->SliceMappers[ 0 ]->GetSliceNumberMinValue( ) );
+ if( this->m_ImageMapper.GetPointer( ) != NULL )
+ return( this->m_ImageMapper->GetSliceNumberMinValue( ) );
else
return( -1 );
}
int cpExtensions::Visualization::ImageSliceActors::
GetSliceNumberMaxValue( ) const
{
- if( this->SliceMappers.size( ) > 0 )
- return( this->SliceMappers[ 0 ]->GetSliceNumberMaxValue( ) );
+ if( this->m_ImageMapper.GetPointer( ) != NULL )
+ return( this->m_ImageMapper->GetSliceNumberMaxValue( ) );
else
return( -1 );
}
void cpExtensions::Visualization::ImageSliceActors::
SetSliceNumber( const int& slice )
{
- unsigned int nImages = this->SliceMappers.size( );
- if( nImages == 0 )
+ if( this->m_ImageMapper.GetPointer( ) == NULL )
return;
- // Change visualization extent
- for( unsigned int i = 0; i < nImages; ++i )
- {
- this->SliceMappers[ i ]->SetSliceNumber( slice );
- this->SliceMappers[ i ]->Modified( );
- this->ImageActors[ i ]->Modified( );
- this->SliceMappers[ i ]->Update( );
-
- } // rof
-
- // Compute plane
- vtkAlgorithm* algo = this->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->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[ ] =
+ int axis = this->GetAxis( );
+ double prev_pos = this->m_VisibleBounds[ axis << 1 ];
+
+ // Update mappers and display bounds
+ this->m_ImageMapper->SetSliceNumber( slice );
+ this->m_ImageMapper->Modified( );
+ this->m_ImageActor->Modified( );
+ this->m_ImageMapper->Update( );
+
+ // Update display extent (this isn't done automatically)
+ this->m_ImageMapper->GetInput( )->GetExtent( this->m_VisibleExtent );
+ this->m_VisibleExtent[ axis << 1 ] = slice;
+ this->m_VisibleExtent[ ( axis << 1 ) + 1 ] = slice;
+ this->m_ImageActor->SetDisplayExtent( this->m_VisibleExtent );
+
+ // Prepare plane data
+ this->m_ImageMapper->GetBounds( this->m_VisibleBounds );
+ double x0[][ 3 ] =
{
- ori[ 2 ] + ( spac[ 2 ] * double( ext[ 4 ] ) ),
- ori[ 2 ] + ( spac[ 2 ] * double( ext[ 5 ] ) )
+ {
+ this->m_VisibleBounds[ 0 ],
+ this->m_VisibleBounds[ 2 ],
+ this->m_VisibleBounds[ 4 ]
+ },
+ {
+ this->m_VisibleBounds[ 1 ],
+ this->m_VisibleBounds[ 3 ],
+ this->m_VisibleBounds[ 5 ]
+ }
};
+ double p0[ 2 ][ 3 ];
- if( spac[ 0 ] < double( 0 ) )
- {
- double t = xbnds[ 0 ];
- xbnds[ 0 ] = xbnds[ 1 ];
- xbnds[ 1 ] = t;
+ vtkPlane* plane = this->m_ImageMapper->GetSlicePlane( );
+ plane->GeneralizedProjectPoint( x0[ 0 ], p0[ 0 ] );
+ plane->GeneralizedProjectPoint( x0[ 1 ], p0[ 1 ] );
- } // fi
- if( spac[ 1 ] < double( 0 ) )
- {
- double t = ybnds[ 0 ];
- ybnds[ 0 ] = ybnds[ 1 ];
- ybnds[ 1 ] = t;
+ this->m_VisibleBounds[ 0 ] = p0[ 0 ][ 0 ];
+ this->m_VisibleBounds[ 1 ] = p0[ 1 ][ 0 ];
+ this->m_VisibleBounds[ 2 ] = p0[ 0 ][ 1 ];
+ this->m_VisibleBounds[ 3 ] = p0[ 1 ][ 1 ];
+ this->m_VisibleBounds[ 4 ] = p0[ 0 ][ 2 ];
+ this->m_VisibleBounds[ 5 ] = p0[ 1 ][ 2 ];
+ double* bnds = this->m_VisibleBounds;
- } // fi
- if( spac[ 2 ] < double( 0 ) )
+ // Configure visualization and implicit plane orientation
+ this->m_PlaneActor->GetProperty( )->SetRepresentationToWireframe( );
+ this->m_PlaneActor->GetProperty( )->SetLineWidth( 3 );
+ vtkPoints* plane_points = this->m_Plane->GetPoints( );
+ plane_points->SetPoint( 0, bnds[ 0 ], bnds[ 2 ], bnds[ 4 ] );
+ plane_points->SetPoint( 2, bnds[ 1 ], bnds[ 3 ], bnds[ 5 ] );
+ if( axis == 0 || axis == 2 ) // YZ, x-normal
{
- double t = zbnds[ 0 ];
- zbnds[ 0 ] = zbnds[ 1 ];
- zbnds[ 1 ] = t;
+ plane_points->SetPoint( 1, bnds[ 1 ], bnds[ 2 ], bnds[ 5 ] );
+ plane_points->SetPoint( 3, bnds[ 0 ], bnds[ 3 ], bnds[ 4 ] );
+ if( axis == 0 )
+ this->m_PlaneActor->GetProperty( )->SetColor( 1, 0, 0 );
+ else
+ this->m_PlaneActor->GetProperty( )->SetColor( 0, 0, 1 );
+ }
+ else if( axis == 1 ) // ZX, y-normal
+ {
+ plane_points->SetPoint( 1, bnds[ 0 ], bnds[ 2 ], bnds[ 5 ] );
+ plane_points->SetPoint( 3, bnds[ 1 ], bnds[ 3 ], bnds[ 4 ] );
+ this->m_PlaneActor->GetProperty( )->SetColor( 0, 1, 0 );
} // fi
+ this->m_Plane->Modified( );
+ this->m_PlaneMapper->Modified( );
+ this->m_PlaneActor->Modified( );
- int axis = this->SliceMappers[ 0 ]->GetOrientation( );
- this->PlaneActor->GetProperty( )->SetRepresentationToWireframe( );
- this->PlaneActor->GetProperty( )->SetLineWidth( 2 );
- vtkPoints* plane_points = this->PlaneSource->GetPoints( );
- if( axis == 0 ) // YZ, x-normal
- {
- 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->PlaneActor->GetProperty( )->SetColor( 1, 0, 0 );
- }
- else if( axis == 1 ) // ZX, y-normal
+ // Update text
+ this->UpdateText( );
+
+ // Update lines from associated slices
+ /* TODO
+ auto sIt = this->m_AssociatedSlices.begin( );
+ for( ; sIt != this->m_AssociatedSlices.end( ); ++sIt )
+ {
+ Self* slice = *sIt;
+ for( unsigned int id = 0; id < slice->m_AssociatedSlices.size( ); ++id )
+ {
+ std::cout << id << std::endl;
+ if( slice->m_AssociatedSlices[ id ] != this )
+ continue;
+
+ std::cout << "id : " << id << std::endl;
+
+ } // rof
+
+ } // rof
+ */
+
+ // Update camera position
+ if( this->m_Window == NULL )
+ return;
+ vtkRenderer* renderer =
+ this->m_Window->GetRenderers( )->GetFirstRenderer( );
+ if( renderer == NULL )
+ return;
+ vtkCamera* camera = renderer->GetActiveCamera( );
+ if( camera == NULL )
+ return;
+ double cam_pos[ 3 ];
+ camera->GetPosition( cam_pos );
+ cam_pos[ axis ] += this->m_VisibleBounds[ axis << 1 ] - prev_pos;
+ camera->SetPosition( cam_pos );
+}
+
+// -------------------------------------------------------------------------
+void cpExtensions::Visualization::ImageSliceActors::
+SetSlice( double* pos )
+{
+ vtkImageData* image = this->GetInputImage( 0 );
+ if( image == NULL )
+ return;
+
+ int ijk[ 3 ];
+ double pcoords[ 3 ];
+ image->ComputeStructuredCoordinates( pos, ijk, pcoords );
+ this->SetSliceNumber( ijk[ this->GetAxis( ) ] );
+}
+
+// -------------------------------------------------------------------------
+void cpExtensions::Visualization::ImageSliceActors::
+UpdateText( )
+{
+ if( this->m_ImageMapper.GetPointer( ) != NULL )
{
- 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->PlaneActor->GetProperty( )->SetColor( 0, 1, 0 );
+ char axis;
+ int axId = this->m_ImageMapper->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_ImageMapper->GetSliceNumber( )
+ );
}
- else // XY, z-normal
+ 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 ] )
+{
+ if( this->m_ImageMapper.GetPointer( ) != NULL )
{
- 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->PlaneActor->GetProperty( )->SetColor( 0, 0, 1 );
+ char axis;
+ int axId = this->m_ImageMapper->GetOrientation( );
+ if ( axId == 0 ) axis = 'X';
+ else if( axId == 1 ) axis = 'Y';
+ else if( axId == 2 ) axis = 'Z';
+ int slice = this->GetSliceNumber( );
- } // fi
- this->PlaneSource->Modified( );
- this->PlaneMapper->Modified( );
- this->PlaneActor->Modified( );
+ vtkImageData* image = this->GetInputImage( 0 );
+ 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( )
+UpdateText( const double& w, const double& l )
{
- if( this->SliceMappers.size( ) > 0 )
+ if( this->m_ImageMapper.GetPointer( ) != NULL )
{
char axis;
- int axId = this->SliceMappers[ 0 ]->GetOrientation( );
+ int axId = this->m_ImageMapper->GetOrientation( );
if ( axId == 0 ) axis = 'X';
else if( axId == 1 ) axis = 'Y';
else if( axId == 2 ) axis = 'Z';
std::sprintf(
- this->TextBuffer, "Axis: %c (%d)",
- axis, this->SliceMappers[ 0 ]->GetSliceNumber( )
+ this->m_TextBuffer, "Axis: %c (%d)\nW/L (%.2f/%.2f)",
+ axis, this->m_ImageMapper->GetSliceNumber( ), w, l
);
}
else
- this->TextBuffer[ 0 ] = '\0';
- this->TextActor->SetInput( this->TextBuffer );
- this->TextActor->Modified( );
+ this->m_TextBuffer[ 0 ] = '\0';
+ this->m_TextActor->SetInput( this->m_TextBuffer );
+ this->m_TextActor->Modified( );
this->Modified( );
}
+// -------------------------------------------------------------------------
+void cpExtensions::Visualization::ImageSliceActors::
+Render( const double& t )
+{
+ if( this->m_Window != NULL )
+ {
+ vtkRenderer* renderer =
+ this->m_Window->GetRenderers( )->GetFirstRenderer( );
+ if( renderer != NULL )
+ renderer->SetAllocatedRenderTime( t );
+ this->m_Window->Render( );
+
+ } // fi
+}
+
+// -------------------------------------------------------------------------
+void cpExtensions::Visualization::ImageSliceActors::
+ResetCamera( )
+{
+ if( this->m_Window == NULL )
+ return;
+ vtkRenderer* renderer =
+ this->m_Window->GetRenderers( )->GetFirstRenderer( );
+ if( renderer != NULL )
+ renderer->ResetCamera( this->m_VisibleBounds );
+}
+
// -------------------------------------------------------------------------
cpExtensions::Visualization::ImageSliceActors::
ImageSliceActors( )
- : Superclass( )
+ : Superclass( ),
+ m_Window( NULL ),
+ m_Interpolate( false )
{
this->Clear( );
+ this->_ConfigureStyle( );
}
// -------------------------------------------------------------------------
{
}
+// -------------------------------------------------------------------------
+void cpExtensions::Visualization::ImageSliceActors::
+_ConfigureStyle( )
+{
+ // Connect this view with a controller
+ this->m_Style = vtkSmartPointer< TStyle >::New( );
+ this->m_Style->AddMouseMoveCommand( Self::_MouseMoveCommand, this );
+ this->m_Style->AddMouseClickCommand( Self::_MouseClickCommand, this );
+ this->m_Style->AddMouseWheelCommand( Self::_MouseWheelCommand, this );
+ this->m_Style->AddKeyCommand( Self::_KeyCommand, this );
+ this->m_Style->AddEnterCommand( Self::_EnterCommand, this );
+ this->m_Style->AddLeaveCommand( Self::_LeaveCommand, this );
+}
+
+// -------------------------------------------------------------------------
+void cpExtensions::Visualization::ImageSliceActors::
+_MouseMoveCommand(
+ void* data, const TStyle::ButtonID& btn, int* idx, double* pos,
+ bool alt, bool ctr, bool sft
+ )
+{
+ ImageSliceActors* actors = reinterpret_cast< ImageSliceActors* >( data );
+ if( actors == NULL )
+ return;
+
+ if( btn == TStyle::ButtonID_None )
+ {
+ // Just show the pixel information
+ actors->SetCursor( pos );
+ actors->UpdateText( pos );
+ actors->Render( 1e-3 );
+ }
+ else if( btn == TStyle::ButtonID_Left )
+ {
+ if( !alt && ctr && !sft )
+ {
+ // Interactively move slices
+ auto i = actors->m_SlicesCommands.begin( );
+ for( ; i != actors->m_SlicesCommands.end( ); ++i )
+ i->first( pos, actors->GetAxis( ), i->second );
+ actors->Render( 1e-3 );
+
+ } // fi
+ }
+ else if( btn == TStyle::ButtonID_Right )
+ {
+ if( !alt && !ctr && sft )
+ {
+ // Change image window level
+ double bounds[ 6 ];
+ actors->m_ImageMapper->GetBounds( bounds );
+
+ int a0 = actors->GetAxis( );
+ int a1 = ( a0 + 1 ) % 3;
+ int a2 = ( a0 + 2 ) % 3;
+ double dx = pos[ a1 ] - actors->m_StartWindowLevelPos[ a1 ];
+ double dy = pos[ a2 ] - actors->m_StartWindowLevelPos[ a2 ];
+ dx /= bounds[ ( a1 << 1 ) + 1 ] - bounds[ a1 << 1 ];
+ dy /= bounds[ ( a2 << 1 ) + 1 ] - bounds[ a2 << 1 ];
+
+ dx *= actors->m_StartWindowLevel[ 0 ];
+ dy *= actors->m_StartWindowLevel[ 1 ];
+ dx += actors->m_StartWindowLevel[ 0 ];
+ dy += actors->m_StartWindowLevel[ 1 ];
+ actors->SetWindowLevel( dx, dy );
+ actors->Render( 1e-3 );
+
+ // Associate objects
+ auto i = actors->m_WindowLevelCommands.begin( );
+ for( ; i != actors->m_WindowLevelCommands.end( ); ++i )
+ i->first( dx, dy, i->second );
+
+ } // fi
+
+ } // fi
+}
+
+// -------------------------------------------------------------------------
+void cpExtensions::Visualization::ImageSliceActors::
+_MouseClickCommand(
+ void* data, const TStyle::ButtonID& btn, int* idx, double* pos,
+ bool alt, bool ctr, bool sft
+ )
+{
+ ImageSliceActors* actors = reinterpret_cast< ImageSliceActors* >( data );
+ if( actors == NULL )
+ return;
+
+ actors->m_StartWindowLevelPos[ 0 ] = pos[ 0 ];
+ actors->m_StartWindowLevelPos[ 1 ] = pos[ 1 ];
+ actors->m_StartWindowLevelPos[ 2 ] = pos[ 2 ];
+ actors->m_StartWindowLevel[ 0 ] = actors->GetWindow( );
+ actors->m_StartWindowLevel[ 1 ] = actors->GetLevel( );
+}
+
+// -------------------------------------------------------------------------
+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 )
+ {
+ int slice = actors->GetSliceNumber( ) + ( dir * ( ( sft )? 10: 1 ) );
+ if( slice < actors->GetSliceNumberMinValue( ) )
+ slice = actors->GetSliceNumberMinValue( );
+ if( slice > actors->GetSliceNumberMaxValue( ) )
+ slice = actors->GetSliceNumberMaxValue( );
+ actors->SetSliceNumber( slice );
+
+ auto a = actors->m_AssociatedSlices.begin( );
+ for( ; a != actors->m_AssociatedSlices.end( ); ++a )
+ {
+ ( *a )->SetSliceNumber( slice );
+ ( *a )->Render( 1e-3 );
+
+ } // rof
+ actors->Render( 1e-3 );
+
+ // Associate objects
+ auto i = actors->m_RenderCommands.begin( );
+ for( ; i != actors->m_RenderCommands.end( ); ++i )
+ i->first( i->second );
+
+ } // fi
+}
+
+// -------------------------------------------------------------------------
+void cpExtensions::Visualization::ImageSliceActors::
+_KeyCommand( void* data, const char& key )
+{
+ ImageSliceActors* actors = reinterpret_cast< ImageSliceActors* >( data );
+ if( actors == NULL )
+ return;
+
+ switch( key )
+ {
+ case 'r': case 'R':
+ {
+ actors->ResetCamera( );
+ actors->Render( 1e-3 );
+
+ // Associate objects
+ auto i = actors->m_RenderCommands.begin( );
+ for( ; i != actors->m_RenderCommands.end( ); ++i )
+ i->first( i->second );
+ }
+ break;
+ case 'w': case 'W':
+ {
+ actors->ResetWindowLevel( );
+ actors->Render( 1e-3 );
+
+ // Associate objects
+ auto i = actors->m_RenderCommands.begin( );
+ for( ; i != actors->m_RenderCommands.end( ); ++i )
+ i->first( i->second );
+ }
+ break;
+ default:
+ break;
+ } // hctiws
+}
+
+// -------------------------------------------------------------------------
+void cpExtensions::Visualization::ImageSliceActors::
+_EnterCommand( void* data )
+{
+ ImageSliceActors* actors = reinterpret_cast< ImageSliceActors* >( data );
+ if( actors == NULL )
+ return;
+
+ actors->ResetCursor( );
+ actors->m_CursorActor->VisibilityOn( );
+ actors->Render( 1e-3 );
+}
+
+// -------------------------------------------------------------------------
+void cpExtensions::Visualization::ImageSliceActors::
+_LeaveCommand( void* data )
+{
+ ImageSliceActors* actors = reinterpret_cast< ImageSliceActors* >( data );
+ if( actors == NULL )
+ return;
+
+ actors->ResetCursor( );
+ actors->m_CursorActor->VisibilityOff( );
+ actors->Render( 1e-3 );
+}
+
// eof - $RCSfile$