plugins/ITKImageGenericFilters_1/ImageToBoundingBoxFromThreshold.cxx

   1 #include <ITKImageGenericFilters_1/ImageToBoundingBoxFromThreshold.h>
   2 #include <cpInstances/Image.h>
   3 #include <cpInstances/BoundingBox.h>
   4
   5 #include <itkImage.h>
   6 #include <cpExtensions/Algorithms/ImageToBoundingBoxFromThreshold.h>
   7
   8 // -------------------------------------------------------------------------
   9 cpPluginsITKImageGenericFilters_1::ImageToBoundingBoxFromThreshold::
  10 ImageToBoundingBoxFromThreshold( )
  11   : Superclass( )
  12 {
  13   this->_ConfigureInput< cpInstances::Image >( "Input", true, false );
  14   this->_ConfigureOutput< cpInstances::BoundingBox >( "Output" );
  15
  16   this->m_Parameters.ConfigureAsReal( "LowerThreshold", 0 );
  17   this->m_Parameters.ConfigureAsReal( "UpperThreshold", 1 );
  18 }
  19
  20 // -------------------------------------------------------------------------
  21 cpPluginsITKImageGenericFilters_1::ImageToBoundingBoxFromThreshold::
  22 ~ImageToBoundingBoxFromThreshold( )
  23 {
  24 }
  25
  26 // -------------------------------------------------------------------------
  27 void cpPluginsITKImageGenericFilters_1::ImageToBoundingBoxFromThreshold::
  28 _GenerateData( )
  29 {
  30   auto o = this->GetInputData( "Input" );
  31   cpPlugins_Demangle_Image_ScalarPixels_AllDims_1( o, _GD0 )
  32     this->_Error( "Invalid input image." );
  33 }
  34
  35 // -------------------------------------------------------------------------
  36 template< class _TImage >
  37 void cpPluginsITKImageGenericFilters_1::ImageToBoundingBoxFromThreshold::
  38 _GD0( _TImage* image )
  39 {
  40   typedef
  41     cpExtensions::Algorithms::ImageToBoundingBoxFromThreshold< _TImage >
  42     _TFilter;
  43
  44   // Configure filter
  45   _TFilter* filter = this->_CreateITK< _TFilter >( );
  46   filter->SetImage( image );
  47   filter->SetLowerThreshold( this->m_Parameters.GetReal( "LowerThreshold" ) );
  48   filter->SetUpperThreshold( this->m_Parameters.GetReal( "UpperThreshold" ) );
  49   filter->Compute( );
  50
  51   // Create output
  52   auto reg = filter->GetRegion( );
  53   auto bb = this->GetOutput< cpInstances::BoundingBox >( "Output" );
  54   typename _TImage::PointType p0, p1;
  55   image->TransformIndexToPhysicalPoint( reg.GetIndex( ), p0 );
  56   image->TransformIndexToPhysicalPoint( reg.GetIndex( ) + reg.GetSize( ), p1 );
  57   bb->SetMinimum( p0 );
  58   bb->SetMaximum( p1 );
  59 }
  60
  61 // eof - $RCSfile$