]> Creatis software - FrontAlgorithms.git/blobdiff - lib/fpa/VTK/Image3DObserver.hxx
...
[FrontAlgorithms.git] / lib / fpa / VTK / Image3DObserver.hxx
index e9f9770aa7f588781bc8bbc861f2738ff73a9555..c89bb4bd016b691289f9188970c567db87542118 100644 (file)
@@ -1,8 +1,268 @@
 #ifndef __FPA__VTK__IMAGE3DOBSERVER__HXX__
 #define __FPA__VTK__IMAGE3DOBSERVER__HXX__
 
-#include <itkImageBase.h>
+#include <vtkCellArray.h>
+#include <vtkPolyDataMapper.h>
+#include <vtkPoints.h>
+#include <vtkPointData.h>
+#include <vtkProperty.h>
+#include <vtkRenderer.h>
+#include <vtkRendererCollection.h>
+
+// -------------------------------------------------------------------------
+template< class F, class R >
+void fpa::VTK::Image3DObserver< F, R >::
+SetRenderWindow( R* rw )
+{
+  this->m_RenderWindow = rw;
+}
+
+// -------------------------------------------------------------------------
+template< class F, class R >
+void fpa::VTK::Image3DObserver< F, R >::
+SetPixel(
+  typename TImage::IndexType idx,
+  unsigned char red,
+  unsigned char green,
+  unsigned char blue,
+  unsigned char alpha
+  )
+{
+  std::cout << idx << std::endl;
+  this->m_Stencil->SetScalarComponentFromDouble
+    ( idx[ 0 ], idx[ 1 ], idx[ 2 ], 0, red );
+  this->m_Stencil->SetScalarComponentFromDouble
+    ( idx[ 0 ], idx[ 1 ], idx[ 2 ], 1, green );
+  this->m_Stencil->SetScalarComponentFromDouble
+    ( idx[ 0 ], idx[ 1 ], idx[ 2 ], 2, blue );
+  this->m_Stencil->SetScalarComponentFromDouble
+    ( idx[ 0 ], idx[ 1 ], idx[ 2 ], 3, alpha );
+
+  int ijk[ 3 ];
+  ijk[ 0 ] = idx[ 0 ];
+  ijk[ 1 ] = idx[ 1 ];
+  ijk[ 2 ] = idx[ 2 ];
+  long id = this->m_Stencil->ComputePointId( ijk );
+  vtkUnsignedCharArray* pd_data =
+    dynamic_cast< vtkUnsignedCharArray* >(
+      this->m_PolyData->GetPointData( )->GetScalars( )
+      );
+  pd_data->SetTuple4( id, red, green, blue, alpha );
+  this->m_Stencil->Modified( );
+  this->m_PolyData->Modified( );
+  this->m_PolyDataMapper->Modified( );
+  this->m_PolyDataActor->Modified( );
+}
+
+// -------------------------------------------------------------------------
+template< class F, class R >
+void fpa::VTK::Image3DObserver< F, R >::
+Render( )
+{
+  if( this->m_RenderWindow != NULL )
+    this->m_RenderWindow->Render( );
+}
 
+// -------------------------------------------------------------------------
+template< class F, class R >
+void fpa::VTK::Image3DObserver< F, R >::
+Execute( const itk::Object* c, const itk::EventObject& e )
+{
+  typedef typename F::TStartEvent     _TStartEvent;
+  typedef typename F::TStartLoopEvent _TStartLoopEvent;
+  typedef typename F::TEndEvent       _TEndEvent;
+  typedef typename F::TEndLoopEvent   _TEndLoopEvent;
+  typedef typename F::TAliveEvent     _TAliveEvent;
+  typedef typename F::TFrontEvent     _TFrontEvent;
+  typedef typename F::TFreezeEvent    _TFreezeEvent;
+
+  typedef typename F::TStartBacktrackingEvent _TStartBacktrackingEvent;
+  typedef typename F::TEndBacktrackingEvent   _TEndBacktrackingEvent;
+  typedef typename F::TBacktrackingEvent      _TBacktrackingEvent;
+
+  static unsigned char Colors[][4] =
+    {
+      {   0,   0, 127, 127 },
+      {   0, 127, 127, 127 },
+      { 127,   0, 127, 127 },
+      { 127, 127,   0, 127 },
+      {   0,   0,  63, 127 },
+      {   0,  63,  63, 127 },
+      {  63,   0,  63, 127 },
+      {  63,  63,   0, 127 },
+      {  63,  63, 127, 127 },
+      {  63, 127, 127, 127 },
+      { 127,  63, 127, 127 },
+      { 127, 127,  63, 127 },
+      { 127, 127,  63, 127 },
+      { 127,  63,  63, 127 },
+      {  63, 127,  63, 127 },
+      {  63,  63, 127, 127 }
+    };
+
+  const F* filter = dynamic_cast< const F* >( c );
+  if( this->m_RenderWindow == NULL || filter == NULL )
+    return;
+
+  const _TStartEvent* startEvt = dynamic_cast< const _TStartEvent* >( &e );
+  const _TStartBacktrackingEvent* startBackEvt =
+    dynamic_cast< const _TStartBacktrackingEvent* >( &e );
+  if( startEvt != NULL || startBackEvt != NULL )
+  {
+    const typename F::TInputImage* img = filter->GetInput( );
+    unsigned int minD = F::TInputImage::ImageDimension;
+    minD = ( minD < 3 )? minD: 3;
+
+    int e[ 6 ] = { 0 };
+    typename F::TInputImage::RegionType reg = img->GetRequestedRegion( );
+    for( unsigned int i = 0; i < minD; i++ )
+    {
+      e[ ( i << 1 ) + 0 ] = reg.GetIndex( )[ i ];
+      e[ ( i << 1 ) + 1 ] = reg.GetIndex( )[ i ] + reg.GetSize( )[ i ] - 1;
+
+    } // rof
+
+    typename F::TInputImage::SpacingType spac = img->GetSpacing( );
+    double s[ 3 ] = { 1, 1, 1 };
+    for( unsigned int i = 0; i < minD; i++ )
+      s[ i ] = double( spac[ i ] );
+
+    typename F::TInputImage::PointType orig = img->GetOrigin( );
+    double o[ 3 ] = { 0 };
+    for( unsigned int i = 0; i < minD; i++ )
+      o[ i ] = double( orig[ i ] );
+
+    this->m_Stencil->SetExtent( e );
+    this->m_Stencil->SetSpacing( s );
+    this->m_Stencil->SetOrigin( o );
+    this->m_Stencil->AllocateScalars( VTK_UNSIGNED_CHAR, 4 );
+    for( unsigned int i = 0; i < 3; i++ )
+      this->m_Stencil->GetPointData( )->
+        GetScalars( )->FillComponent( i, 255 );
+    this->m_Stencil->GetPointData( )->GetScalars( )->FillComponent( 3, 0 );
+
+    vtkSmartPointer< vtkPoints > pd_points =
+      vtkSmartPointer< vtkPoints >::New( );
+    vtkSmartPointer< vtkCellArray > pd_verts =
+      vtkSmartPointer< vtkCellArray >::New( );
+    vtkSmartPointer< vtkUnsignedCharArray > pd_data =
+      vtkSmartPointer< vtkUnsignedCharArray >::New( );
+    long nPoints = this->m_Stencil->GetNumberOfPoints( );
+
+    pd_data->SetNumberOfComponents( 4 );
+    pd_data->SetNumberOfTuples( nPoints );
+    pd_points->SetNumberOfPoints( nPoints );
+    double point[ 3 ];
+    for( long pId = 0; pId < nPoints; ++pId )
+    {
+      this->m_Stencil->GetPoint( pId, point );
+      pd_points->InsertNextPoint( point );
+      pd_verts->InsertNextCell( 1 );
+      pd_verts->InsertCellPoint( pId );
+      pd_data->SetTuple4( pId, 0, 0, 0, 0 );
+
+    } // rof
+    this->m_PolyData->SetPoints( pd_points );
+    this->m_PolyData->SetVerts( pd_verts );
+    this->m_PolyData->GetPointData( )->SetScalars( pd_data );
+
+    this->m_PolyDataMapper->SetInputData( this->m_PolyData );
+    this->m_PolyDataActor->SetMapper( this->m_PolyDataMapper );
+
+    this->m_Count = 0;
+    this->m_RenderCount = reg.GetNumberOfPixels( );
+
+    vtkRenderer* ren =
+      this->m_RenderWindow->GetRenderers( )->GetFirstRenderer( );
+    ren->AddActor( this->m_PolyDataActor );
+    return;
+
+  } // fi
+
+  const _TAliveEvent* aliveEvt = dynamic_cast< const _TAliveEvent* >( &e );
+  const _TFrontEvent* frontEvt = dynamic_cast< const _TFrontEvent* >( &e );
+  if( aliveEvt != NULL || frontEvt != NULL )
+  {
+    if( aliveEvt != NULL )
+      this->SetPixel(
+        aliveEvt->Vertex,
+        Colors[ aliveEvt->FrontId ][ 0 ],
+        Colors[ aliveEvt->FrontId ][ 1 ],
+        Colors[ aliveEvt->FrontId ][ 2 ],
+        Colors[ aliveEvt->FrontId ][ 3 ]
+        );
+    else if( frontEvt != NULL )
+      this->SetPixel( frontEvt->Vertex, 255, 0, 0, 255 );
+    this->m_Count++;
+
+    // Render visual debug
+    double per = double( this->m_RenderCount ) * this->m_RenderPercentage;
+    if( double( this->m_Count ) >= per )
+      this->Render( );
+    if( double( this->m_Count ) >= per )
+      this->m_Count = 0;
+
+    return;
+
+  } // fi
+
+  const _TEndEvent* endEvt = dynamic_cast< const _TEndEvent* >( &e );
+  if( endEvt != NULL )
+  {
+    vtkRenderer* ren =
+      this->m_RenderWindow->GetRenderers( )->GetFirstRenderer( );
+    ren->RemoveActor( this->m_PolyDataActor );
+    this->Render( );
+    return;
+
+  } // fi
+
+  const _TBacktrackingEvent* backEvt =
+    dynamic_cast< const _TBacktrackingEvent* >( &e );
+  const _TEndBacktrackingEvent* endBackEvt =
+    dynamic_cast< const _TEndBacktrackingEvent* >( &e );
+  if( backEvt != NULL )
+  {
+    this->SetPixel( backEvt->Vertex, 0, 0, 255, 255 );
+    return;
+
+  } // fi
+
+  if( endBackEvt != NULL )
+  {
+    this->m_RenderWindow->Render( );
+    /* TODO: DEBUG
+       std::cout << "Press enter: " << std::ends;
+       int aux;
+       std::cin >> aux;
+    */
+    return;
+
+  } // fi
+}
+
+// -------------------------------------------------------------------------
+template< class F, class R >
+fpa::VTK::Image3DObserver< F, R >::
+Image3DObserver( )
+  : Superclass( ),
+    m_RenderWindow( NULL ),
+    m_RenderPercentage( double( 0.001 ) )
+{
+  this->m_Stencil = vtkSmartPointer< vtkImageData >::New( );
+  this->m_PolyData = vtkSmartPointer< vtkPolyData >::New( );
+  this->m_PolyDataMapper = vtkSmartPointer< vtkPolyDataMapper >::New( );
+  this->m_PolyDataActor =vtkSmartPointer< vtkActor >::New( );
+}
+
+// -------------------------------------------------------------------------
+template< class F, class R >
+fpa::VTK::Image3DObserver< F, R >::
+~Image3DObserver( )
+{
+}
+
+/*
 #include <vtkCellArray.h>
 #include <vtkFloatArray.h>
 #include <vtkPointData.h>
 #include <vtkRenderer.h>
 #include <vtkRendererCollection.h>
 
-/*
-  #include <vtkCellArray.h>
-  #include <vtkProperty.h>
-*/
-
 // -------------------------------------------------------------------------
 template< class F, class R >
 void fpa::VTK::Image3DObserver< F, R >::
@@ -28,14 +283,17 @@ template< class F, class R >
 void fpa::VTK::Image3DObserver< F, R >::
 Execute( const itk::Object* c, const itk::EventObject& e )
 {
-  typedef itk::ImageBase< 3 >               _TImage;
-  typedef typename F::TEvent                _TEvent;
-  typedef typename F::TFrontEvent           _TFrontEvent;
-  typedef typename F::TMarkEvent            _TMarkEvent;
-  typedef typename F::TCollisionEvent       _TCollisionEvent;
-  typedef typename F::TEndEvent             _TEndEvent;
-  typedef typename F::TBacktrackingEvent    _TBacktrackingEvent;
-  typedef typename F::TEndBacktrackingEvent _TEndBacktrackingEvent;
+  typedef typename F::TStartEvent     _TStartEvent;
+  typedef typename F::TStartLoopEvent _TStartLoopEvent;
+  typedef typename F::TEndEvent       _TEndEvent;
+  typedef typename F::TEndLoopEvent   _TEndLoopEvent;
+  typedef typename F::TAliveEvent     _TAliveEvent;
+  typedef typename F::TFrontEvent     _TFrontEvent;
+  typedef typename F::TFreezeEvent    _TFreezeEvent;
+
+  typedef typename F::TStartBacktrackingEvent _TStartBacktrackingEvent;
+  typedef typename F::TEndBacktrackingEvent   _TEndBacktrackingEvent;
+  typedef typename F::TBacktrackingEvent      _TBacktrackingEvent;
 
   // Check inputs
   if( this->m_RenderWindow == NULL )
@@ -47,126 +305,121 @@ Execute( const itk::Object* c, const itk::EventObject& e )
   const F* filter = dynamic_cast< const F* >( c );
   if( filter == NULL )
     return;
-  const _TImage* image = filter->GetInput( );
-  if( image == NULL )
+    const _TImage* image = filter->GetInput( );
+    if( image == NULL )
     return;
 
-  // Create actor
-  _TImage::RegionType reg = image->GetLargestPossibleRegion( );
-  _TImage::SizeType siz = reg.GetSize( );
-  if( this->m_Data.GetPointer( ) == NULL )
+  const _TStartEvent* startEvt = dynamic_cast< const _TStartEvent* >( &e );
+  const _TStartBacktrackingEvent* startBackEvt =
+    dynamic_cast< const _TStartBacktrackingEvent* >( &e );
+  if( startEvt != NULL || startBackEvt != NULL )
   {
-    this->m_Data   = vtkSmartPointer< vtkPolyData >::New( );
-    this->m_Mapper = vtkSmartPointer< vtkPolyDataMapper >::New( );
-    this->m_Actor  = vtkSmartPointer< vtkActor >::New( );
+    // Create actor
+    _TImage::RegionType reg = image->GetLargestPossibleRegion( );
+    _TImage::SizeType siz = reg.GetSize( );
+    if( this->m_Data.GetPointer( ) == NULL )
+    {
+      this->m_Data   = vtkSmartPointer< vtkPolyData >::New( );
+      this->m_Mapper = vtkSmartPointer< vtkPolyDataMapper >::New( );
+      this->m_Actor  = vtkSmartPointer< vtkActor >::New( );
 
-    vtkSmartPointer< vtkPoints > points =
-      vtkSmartPointer< vtkPoints >::New( );
-    vtkSmartPointer< vtkCellArray > vertices =
-      vtkSmartPointer< vtkCellArray >::New( );
-    vtkSmartPointer< vtkFloatArray > scalars =
-      vtkSmartPointer< vtkFloatArray >::New( );
-    this->m_Data->SetPoints( points );
-    this->m_Data->SetVerts( vertices );
-    this->m_Data->GetPointData( )->SetScalars( scalars );
-
-    this->m_Mapper->SetInputData( this->m_Data );
-    this->m_Actor->SetMapper( this->m_Mapper );
-    ren->AddActor( this->m_Actor );
-
-    this->m_Marks = TMarks::New( );
-    this->m_Marks->SetLargestPossibleRegion(
-      image->GetLargestPossibleRegion( )
-      );
-    this->m_Marks->SetRequestedRegion( image->GetRequestedRegion( ) );
-    this->m_Marks->SetBufferedRegion( image->GetBufferedRegion( ) );
-    this->m_Marks->SetOrigin( image->GetOrigin( ) );
-    this->m_Marks->SetSpacing( image->GetSpacing( ) );
-    this->m_Marks->SetDirection( image->GetDirection( ) );
-    this->m_Marks->Allocate( );
-    this->m_Marks->FillBuffer( -1 );
-    this->m_Count = 0;
-    this->m_RenderCount = reg.GetNumberOfPixels( );
+      vtkSmartPointer< vtkPoints > points =
+        vtkSmartPointer< vtkPoints >::New( );
+      vtkSmartPointer< vtkCellArray > vertices =
+        vtkSmartPointer< vtkCellArray >::New( );
+      vtkSmartPointer< vtkFloatArray > scalars =
+        vtkSmartPointer< vtkFloatArray >::New( );
+      this->m_Data->SetPoints( points );
+      this->m_Data->SetVerts( vertices );
+      this->m_Data->GetPointData( )->SetScalars( scalars );
 
-  } // fi
+      this->m_Mapper->SetInputData( this->m_Data );
+      this->m_Actor->SetMapper( this->m_Mapper );
+      ren->AddActor( this->m_Actor );
+
+      this->m_Marks = TMarks::New( );
+      this->m_Marks->SetLargestPossibleRegion(
+        image->GetLargestPossibleRegion( )
+        );
+      this->m_Marks->SetRequestedRegion( image->GetRequestedRegion( ) );
+      this->m_Marks->SetBufferedRegion( image->GetBufferedRegion( ) );
+      this->m_Marks->SetOrigin( image->GetOrigin( ) );
+      this->m_Marks->SetSpacing( image->GetSpacing( ) );
+      this->m_Marks->SetDirection( image->GetDirection( ) );
+      this->m_Marks->Allocate( );
+      this->m_Marks->FillBuffer( -1 );
+      this->m_Count = 0;
+      this->m_RenderCount = reg.GetNumberOfPixels( );
 
-  // Get possible events
-  const _TEvent* evt = dynamic_cast< const _TEvent* >( &e );
-  _TFrontEvent fevt;
-  _TMarkEvent mevt;
-  _TCollisionEvent cevt;
-  _TEndEvent eevt;
+    } // fi
+    return;
 
-  if( evt != NULL )
+  } // fi
+
+  const _TAliveEvent* aliveEvt = dynamic_cast< const _TAliveEvent* >( &e );
+  const _TFrontEvent* frontEvt = dynamic_cast< const _TFrontEvent* >( &e );
+  if( aliveEvt != NULL || frontEvt != NULL )
   {
-    if( fevt.CheckEvent( evt ) )
-    {
-      if( this->m_Marks->GetPixel( evt->Node.Vertex ) == -1 )
-      {
-        typename _TImage::PointType pnt;
-        image->TransformIndexToPhysicalPoint( evt->Node.Vertex, pnt );
-
-        long pId = this->m_Data->GetNumberOfPoints( );
-        this->m_Data->GetVerts( )->InsertNextCell( 1 );
-        this->m_Data->GetVerts( )->InsertCellPoint( pId );
-        this->m_Data->GetPoints( )->
-          InsertNextPoint( pnt[ 0 ], pnt[ 1 ], pnt[ 2 ] );
-        this->m_Data->GetPointData( )->
-          GetScalars( )->InsertNextTuple1( 0.5 );
-        this->m_Data->Modified( );
-
-        this->m_Marks->SetPixel( evt->Node.Vertex, pId );
-        this->m_Count++;
-
-        // Render visual debug
-        double per = double( this->m_RenderCount ) * this->m_RenderPercentage;
-        if( double( this->m_Count ) >= per )
-          this->m_RenderWindow->Render( );
-        if( double( this->m_Count ) >= per )
-          this->m_Count = 0;
-
-      } // fi
-      return;
-    }
-    else if( mevt.CheckEvent( evt ) )
+    _TImage::IndexType vertex;
+    if( aliveEvt != NULL )
+      vertex = aliveEvt->Vertex;
+    else if( frontEvt != NULL )
+      vertex = frontEvt->Vertex;
+
+    if( this->m_Marks->GetPixel( vertex ) == -1 )
     {
-      // TODO: std::cout << "mark" << std::endl;
-      return;
+      typename _TImage::PointType pnt;
+      image->TransformIndexToPhysicalPoint( vertex, pnt );
 
-    } // fi
+      long pId = this->m_Data->GetNumberOfPoints( );
+      this->m_Data->GetVerts( )->InsertNextCell( 1 );
+      this->m_Data->GetVerts( )->InsertCellPoint( pId );
+      this->m_Data->GetPoints( )->
+        InsertNextPoint( pnt[ 0 ], pnt[ 1 ], pnt[ 2 ] );
+      this->m_Data->GetPointData( )->
+        GetScalars( )->InsertNextTuple1( 0.5 );
+      this->m_Data->Modified( );
 
-    if( cevt.CheckEvent( evt ) )
-    {
-      // TODO: std::cout << "collision" << std::endl;
-      return;
+      this->m_Marks->SetPixel( vertex, pId );
+      this->m_Count++;
+
+      // Render visual debug
+      double per = double( this->m_RenderCount ) * this->m_RenderPercentage;
+      if( double( this->m_Count ) >= per )
+        this->m_RenderWindow->Render( );
+      if( double( this->m_Count ) >= per )
+        this->m_Count = 0;
 
     } // fi
+    return;
 
-    if( eevt.CheckEvent( evt ) )
-    {
-      this->m_RenderWindow->Render( );
-      ren->RemoveActor( this->m_Actor );
-      this->m_RenderWindow->Render( );
-      this->m_Marks = NULL;
-      this->m_Data = NULL;
-      this->m_Mapper = NULL;
-      this->m_Actor = NULL;
-      return;
+  } // fi
 
-    } // fi
-  }
-  else
+  const _TEndEvent* endEvt = dynamic_cast< const _TEndEvent* >( &e );
+  if( endEvt != NULL )
+  {
+    this->m_RenderWindow->Render( );
+    ren->RemoveActor( this->m_Actor );
+    this->m_RenderWindow->Render( );
+    this->m_Marks = NULL;
+    this->m_Data = NULL;
+    this->m_Mapper = NULL;
+    this->m_Actor = NULL;
+    return;
+
+  } // fi
+
+  const _TBacktrackingEvent* backEvt =
+    dynamic_cast< const _TBacktrackingEvent* >( &e );
+  const _TEndBacktrackingEvent* endBackEvt =
+    dynamic_cast< const _TEndBacktrackingEvent* >( &e );
+  if( backEvt != NULL )
   {
-    const _TBacktrackingEvent* bevt =
-      dynamic_cast< const _TBacktrackingEvent* >( &e );
-    const _TEndBacktrackingEvent* ebevt =
-      dynamic_cast< const _TEndBacktrackingEvent* >( &e );
-    if( bevt != NULL )
-    {
       static const unsigned long nColors = 10;
-      double back_id = double( bevt->BackId % nColors ) / double( nColors );
+      double back_id =
+        double( backEvt->FrontId % nColors ) / double( nColors );
       typename _TImage::PointType pnt;
-      image->TransformIndexToPhysicalPoint( bevt->Node, pnt );
+      image->TransformIndexToPhysicalPoint( backEvt->Vertex, pnt );
 
       long pId = this->m_Data->GetNumberOfPoints( );
       this->m_Data->GetVerts( )->InsertNextCell( 1 );
@@ -176,19 +429,19 @@ Execute( const itk::Object* c, const itk::EventObject& e )
       this->m_Data->GetPointData( )->
         GetScalars( )->InsertNextTuple1( back_id );
       this->m_Data->Modified( );
-
       return;
 
     } // fi
 
-    if( ebevt != NULL )
+    if( endBackEvt != NULL )
     {
       this->m_RenderWindow->Render( );
+         std::cout << "Press enter: " << std::ends;
+         int aux;
+         std::cin >> aux;
       return;
 
     } // fi
-
-  } // fi
 }
 
 // -------------------------------------------------------------------------
@@ -200,6 +453,7 @@ Image3DObserver( )
     m_RenderPercentage( double( 0.0001 ) )
 {
 }
+*/
 
 #endif // __FPA__VTK__IMAGE3DOBSERVER__HXX__