1 #include <ITKImageGenericFilters_1/RegionOfInterestImageFilter.h>
2 #include <cpInstances/Image.h>
3 #include <cpInstances/BoundingBox.h>
4 #include <cpInstances/Image_Demanglers.h>
6 #include <itkRGBPixel.h>
7 #include <itkRGBAPixel.h>
8 #include <itkRegionOfInterestImageFilter.h>
10 // -------------------------------------------------------------------------
11 cpPluginsITKImageGenericFilters_1::RegionOfInterestImageFilter::
12 RegionOfInterestImageFilter( )
15 typedef cpInstances::Image _TImage;
16 typedef cpInstances::BoundingBox _TBBox;
17 this->_ConfigureInput< _TImage >( "Input", true, false );
18 this->_ConfigureInput< _TBBox >( "BoundingBox", true, false );
19 this->_ConfigureOutput< _TImage >( "Output" );
22 // -------------------------------------------------------------------------
23 cpPluginsITKImageGenericFilters_1::RegionOfInterestImageFilter::
24 ~RegionOfInterestImageFilter( )
28 // -------------------------------------------------------------------------
29 void cpPluginsITKImageGenericFilters_1::RegionOfInterestImageFilter::
32 auto o = this->GetInputData( "Input" );
33 cpPlugins_Demangle_Image_ScalarPixels_AllDims_1( o, _GD0 )
34 this->_Error( "Invalid input image." );
37 // -------------------------------------------------------------------------
38 template< class _TImage >
39 void cpPluginsITKImageGenericFilters_1::RegionOfInterestImageFilter::
40 _GD0( _TImage* input )
42 typedef cpInstances::BoundingBox _TBBox;
43 typedef itk::RegionOfInterestImageFilter< _TImage, _TImage > _TFilter;
44 typedef typename _TImage::IndexType _TIndex;
45 typedef typename _TImage::PointType _TPoint;
46 typedef typename _TImage::RegionType _TRegion;
47 typedef typename _TImage::SizeType _TSize;
49 auto bb = this->GetInput< _TBBox >( "BoundingBox" );
51 _TRegion in_region = input->GetRequestedRegion( );
52 _TIndex in_i0 = in_region.GetIndex( );
53 _TIndex in_i1 = in_i0 + in_region.GetSize( );
55 input->TransformPhysicalPointToIndex( bb->GetMinimum< _TPoint >( ), i0 );
56 input->TransformPhysicalPointToIndex( bb->GetMaximum< _TPoint >( ), i1 );
57 for( unsigned int d = 0; d < _TImage::ImageDimension; ++d )
59 if( i0[ d ] < in_i0[ d ] ) i0[ d ] = in_i0[ d ];
60 if( i1[ d ] > in_i1[ d ] ) i1[ d ] = in_i1[ d ];
65 for( unsigned int d = 0; d < _TImage::ImageDimension; ++d )
66 size[ d ] = i1[ d ] - i0[ d ];
69 region.SetIndex( i0 );
70 region.SetSize( size );
72 auto filter = this->_CreateITK< _TFilter >( );
73 filter->SetInput( input );
74 filter->SetRegionOfInterest( region );
76 this->GetOutput( "Output" )->SetITK( filter->GetOutput( ) );