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itkLabelShapeKeepNObjectsImageFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkLabelShapeKeepNObjectsImageFilter.h,v $
00005   Language:  C++
00006   Date:      $Date: 2009-08-08 01:21:23 $
00007   Version:   $Revision: 1.3 $
00008 
00009   Copyright (c) Insight Software Consortium. All rights reserved.
00010   See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
00011 
00012      This software is distributed WITHOUT ANY WARRANTY; without even 
00013      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00014      PURPOSE.  See the above copyright notices for more information.
00015 
00016 =========================================================================*/
00017 #ifndef __itkLabelShapeKeepNObjectsImageFilter_h
00018 #define __itkLabelShapeKeepNObjectsImageFilter_h
00019 
00020 #include "itkImageToImageFilter.h"
00021 #include "itkShapeLabelObject.h"
00022 #include "itkLabelMap.h"
00023 #include "itkLabelImageToLabelMapFilter.h"
00024 #include "itkShapeLabelMapFilter.h"
00025 #include "itkShapeKeepNObjectsLabelMapFilter.h"
00026 #include "itkLabelMapToLabelImageFilter.h"
00027 
00028 
00029 namespace itk {
00030 
00047 template<class TInputImage>
00048 class ITK_EXPORT LabelShapeKeepNObjectsImageFilter : 
00049     public ImageToImageFilter<TInputImage, TInputImage>
00050 {
00051 public:
00053   typedef LabelShapeKeepNObjectsImageFilter            Self;
00054   typedef ImageToImageFilter<TInputImage, TInputImage> Superclass;
00055   typedef SmartPointer<Self>                           Pointer;
00056   typedef SmartPointer<const Self>                     ConstPointer;
00057 
00059   typedef TInputImage                              InputImageType;
00060   typedef TInputImage                              OutputImageType;
00061   typedef typename InputImageType::Pointer         InputImagePointer;
00062   typedef typename InputImageType::ConstPointer    InputImageConstPointer;
00063   typedef typename InputImageType::RegionType      InputImageRegionType;
00064   typedef typename InputImageType::PixelType       InputImagePixelType;
00065   typedef typename OutputImageType::Pointer        OutputImagePointer;
00066   typedef typename OutputImageType::ConstPointer   OutputImageConstPointer;
00067   typedef typename OutputImageType::RegionType     OutputImageRegionType;
00068   typedef typename OutputImageType::PixelType      OutputImagePixelType;
00069 
00071   itkStaticConstMacro(InputImageDimension, unsigned int,
00072                       TInputImage::ImageDimension);
00073   itkStaticConstMacro(OutputImageDimension, unsigned int,
00074                       TInputImage::ImageDimension);
00075   itkStaticConstMacro(ImageDimension, unsigned int,
00076                       TInputImage::ImageDimension);
00078 
00079   typedef ShapeLabelObject<InputImagePixelType, itkGetStaticConstMacro(ImageDimension)>                     LabelObjectType;
00080   typedef LabelMap< LabelObjectType >                                               LabelMapType;
00081   typedef LabelImageToLabelMapFilter< InputImageType, LabelMapType >                LabelizerType;
00082   typedef Image< typename OutputImageType::PixelType, itkGetStaticConstMacro(OutputImageDimension)>                                                                     ShapeLabelFilterOutput;
00083   typedef ShapeLabelMapFilter< LabelMapType, ShapeLabelFilterOutput >               LabelObjectValuatorType;
00084   typedef typename LabelObjectType::AttributeType                                   AttributeType;
00085   typedef ShapeKeepNObjectsLabelMapFilter< LabelMapType >                           KeepNObjectsType;
00086   typedef LabelMapToLabelImageFilter< LabelMapType, OutputImageType >               BinarizerType;
00087 
00089   itkNewMacro(Self);  
00090 
00092   itkTypeMacro(LabelShapeKeepNObjectsImageFilter, 
00093                ImageToImageFilter);
00094 
00095 #ifdef ITK_USE_CONCEPT_CHECKING
00096 
00097   itkConceptMacro(InputEqualityComparableCheck,
00098     (Concept::EqualityComparable<InputImagePixelType>));
00099   itkConceptMacro(IntConvertibleToInputCheck,
00100     (Concept::Convertible<int, InputImagePixelType>));
00101   itkConceptMacro(InputOStreamWritableCheck,
00102     (Concept::OStreamWritable<InputImagePixelType>));
00103 
00105 #endif
00106 
00111   itkSetMacro(BackgroundValue, OutputImagePixelType);
00112   itkGetConstMacro(BackgroundValue, OutputImagePixelType);
00114 
00118   itkGetConstMacro(NumberOfObjects, unsigned long);
00119   itkSetMacro(NumberOfObjects, unsigned long);
00121 
00127   itkGetConstMacro( ReverseOrdering, bool );
00128   itkSetMacro( ReverseOrdering, bool );
00129   itkBooleanMacro( ReverseOrdering );
00131 
00136   itkGetConstMacro( Attribute, AttributeType );
00137   itkSetMacro( Attribute, AttributeType );
00138   void SetAttribute( const std::string & s )
00139     {
00140     this->SetAttribute( LabelObjectType::GetAttributeFromName( s ) );
00141     }
00143 
00144 
00145 protected:
00146   LabelShapeKeepNObjectsImageFilter();
00147   ~LabelShapeKeepNObjectsImageFilter() {};
00148   void PrintSelf(std::ostream& os, Indent indent) const;
00149 
00153   void GenerateInputRequestedRegion();
00154 
00156   void EnlargeOutputRequestedRegion(DataObject *itkNotUsed(output));
00157 
00160   void GenerateData();
00161 
00162 private:
00163   LabelShapeKeepNObjectsImageFilter(const Self&); //purposely not implemented
00164   void operator=(const Self&); //purposely not implemented
00165 
00166   OutputImagePixelType m_BackgroundValue;
00167   unsigned long        m_NumberOfObjects;
00168   bool                 m_ReverseOrdering;
00169   AttributeType        m_Attribute;
00170 }; // end of class
00171 
00172 } // end namespace itk
00173   
00174 #ifndef ITK_MANUAL_INSTANTIATION
00175 #include "itkLabelShapeKeepNObjectsImageFilter.txx"
00176 #endif
00177 
00178 #endif
00179 

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