lib/fpaPlugins/ImageRegionGrow.cxx

   1 #include "ImageRegionGrow.h"
   2
   3 #include <cpPlugins/Interface/Image.h>
   4 #include <fpa/Image/RegionGrow.h>
   5 #include <fpa/Image/Functors/RegionGrowAllBelongsFunction.h>
   6
   7 // -------------------------------------------------------------------------
   8 fpaPlugins::ImageRegionGrow::
   9 ImageRegionGrow( )
  10   : Superclass( )
  11 {
  12   this->_AddInput( "Input" );
  13   this->_AddInput( "GrowFunction" );
  14   this->_MakeOutput< cpPlugins::Interface::Image >( "Output" );
  15
  16   this->m_Parameters->ConfigureAsBool( "VisualDebug", false );
  17   this->m_Parameters->ConfigureAsBool( "StopAtOneFront", false );
  18   this->m_Parameters->ConfigureAsReal( "InsideValue", 1 );
  19   this->m_Parameters->ConfigureAsReal( "OutsideValue", 0 );
  20   this->m_Parameters->ConfigureAsPointList( "Seeds" );
  21
  22   std::vector< std::string > orders;
  23   orders.push_back( "1" );
  24   orders.push_back( "2" );
  25   this->m_Parameters->ConfigureAsChoices( "NeighborhoodOrder", orders );
  26 }
  27
  28 // -------------------------------------------------------------------------
  29 fpaPlugins::ImageRegionGrow::
  30 ~ImageRegionGrow( )
  31 {
  32 }
  33
  34 // -------------------------------------------------------------------------
  35 std::string fpaPlugins::ImageRegionGrow::
  36 _GenerateData( )
  37 {
  38   cpPlugins::Interface::Image* input =
  39     this->GetInput< cpPlugins::Interface::Image >( "Input" );
  40   if( input == NULL )
  41     return( "fpaPlugins::ImageRegionGrow: No input image." );
  42
  43   itk::DataObject* image = NULL;
  44   std::string r = "";
  45   cpPlugins_Image_Demangle_AllScalarTypes( 2, input, image, r, _GD0 );
  46   else cpPlugins_Image_Demangle_AllScalarTypes( 3, input, image, r, _GD0 );
  47   else r = "fpaPlugins::ImageRegionGrow: Input image type not supported.";
  48   return( r );
  49 }
  50
  51 // -------------------------------------------------------------------------
  52 template< class I >
  53 std::string fpaPlugins::ImageRegionGrow::
  54 _GD0( itk::DataObject* data )
  55 {
  56   typedef unsigned char                               _TOutPixel;
  57   typedef itk::Image< _TOutPixel, I::ImageDimension > _TOut;
  58   typedef fpa::Image::RegionGrow< I, _TOut >          _TFilter;
  59   typedef typename _TFilter::TGrowingFunction         _TFunctor;
  60
  61   I* image = dynamic_cast< I* >( data );
  62
  63   // Create filter and connect input
  64   _TFilter* filter = this->_CreateITK< _TFilter >( );
  65   filter->SetInput( image );
  66
  67   // Connect grow functor (or create a tautology)
  68   typename _TFunctor::Pointer functor;
  69   cpPlugins::Interface::DataObject* functor_wrapper =
  70     this->GetInput< cpPlugins::Interface::DataObject >( "GrowFunction" );
  71   if( functor_wrapper != NULL )
  72     functor = functor_wrapper->GetITK< _TFunctor >( );
  73   if( functor.IsNull( ) )
  74     functor =
  75       fpa::Image::Functors::RegionGrowAllBelongsFunction< I >::New( );
  76
  77   // Set numeric parameters
  78   Superclass::TParameters* params = this->m_Parameters;
  79   std::string order = params->GetSelectedChoice( "NeighborhoodOrder" );
  80   filter->SetNeighborhoodOrder( order[ 0 ] - '0' );
  81   filter->SetStopAtOneFront( params->GetBool( "StopAtOneFront" ) );
  82   filter->SetInsideValue( _TOutPixel( params->GetReal( "InsideValue" ) ) );
  83   filter->SetOutsideValue( _TOutPixel( params->GetReal( "OutsideValue" ) ) );
  84
  85   // Assign seeds
  86   std::vector< typename I::PointType > seeds;
  87   params->GetPointList( seeds, "Seeds", I::ImageDimension );
  88   for( auto sIt = seeds.begin( ); sIt != seeds.end( ); ++sIt )
  89   {
  90     typename I::IndexType idx;
  91     if( image->TransformPhysicalPointToIndex( *sIt, idx ) )
  92       filter->AddSeed( idx, 0 );
  93
  94   } // rof
  95
  96   // Connect visual debugger
  97   /* TODO
  98      this->m_Parameters->ConfigureAsBool( "VisualDebug", false );
  99    */
 100
 101   // Go!!!
 102   filter->Update( );
 103
 104   // Connect output
 105   cpPlugins::Interface::Image* out =
 106     this->GetOutput< cpPlugins::Interface::Image >( "Output" );
 107   if( out != NULL )
 108   {
 109     out->SetITK< _TOut >( filter->GetOutput( ) );
 110     return( "" );
 111   }
 112   else
 113     return( "fpaPlugins::ImageRegionGrow: output not correctly created." );
 114 }
 115
 116 // eof - $RCSfile$