ITK  4.1.0
Insight Segmentation and Registration Toolkit
itkFastApproximateRankImageFilter.h
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00001 /*=========================================================================
00002  *
00003  *  Copyright Insight Software Consortium
00004  *
00005  *  Licensed under the Apache License, Version 2.0 (the "License");
00006  *  you may not use this file except in compliance with the License.
00007  *  You may obtain a copy of the License at
00008  *
00009  *         http://www.apache.org/licenses/LICENSE-2.0.txt
00010  *
00011  *  Unless required by applicable law or agreed to in writing, software
00012  *  distributed under the License is distributed on an "AS IS" BASIS,
00013  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00014  *  See the License for the specific language governing permissions and
00015  *  limitations under the License.
00016  *
00017  *=========================================================================*/
00018 #ifndef __itkFastApproximateRankImageFilter_h
00019 #define __itkFastApproximateRankImageFilter_h
00020 
00021 #include "itkMiniPipelineSeparableImageFilter.h"
00022 #include "itkRankImageFilter.h"
00023 
00024 namespace itk
00025 {
00044 template< class TInputImage, class TOutputImage >
00045 class ITK_EXPORT FastApproximateRankImageFilter:
00046   public MiniPipelineSeparableImageFilter< TInputImage, TOutputImage,
00047                                            RankImageFilter< TInputImage, TInputImage,
00048                                                             FlatStructuringElement< ::itk::GetImageDimension<
00049                                                                                       TInputImage >::ImageDimension > > >
00050 {
00051 public:
00053   typedef FastApproximateRankImageFilter Self;
00054   typedef MiniPipelineSeparableImageFilter< TInputImage, TOutputImage, RankImageFilter< TInputImage, TInputImage,
00055                                                                                         FlatStructuringElement< ::itk::
00056                                                                                                                 GetImageDimension
00057                                                                                                                 <
00058                                                                                                                   TInputImage >::ImageDimension > > > Superclass;
00059 
00060   typedef SmartPointer< Self >       Pointer;
00061   typedef SmartPointer< const Self > ConstPointer;
00062 
00064   itkNewMacro(Self);
00065 
00067   itkTypeMacro(FastApproximateRankImageFilter, MiniPipelineSeparableImageFilter);
00068 
00070   typedef TInputImage                      InputImageType;
00071   typedef typename TInputImage::RegionType RegionType;
00072   typedef typename TInputImage::SizeType   SizeType;
00073   typedef typename TInputImage::IndexType  IndexType;
00074   typedef typename TInputImage::PixelType  PixelType;
00075   typedef typename TInputImage::OffsetType OffsetType;
00076   typedef typename Superclass::FilterType  FilterType;
00077 
00079   itkStaticConstMacro(ImageDimension, unsigned int,
00080                       TInputImage::ImageDimension);
00081 
00083   typedef typename TInputImage::SizeType RadiusType;
00084 
00085   void SetRank(float rank)
00086   {
00087     if ( m_Rank != rank )
00088       {
00089       m_Rank = rank;
00090       for ( unsigned i = 0; i < TInputImage::ImageDimension - 1; i++ )
00091         {
00092         this->m_Filters[i]->SetRank(m_Rank);
00093         }
00094       this->Modified();
00095       }
00096   }
00097 
00098   itkGetConstMacro(Rank, float);
00099 protected:
00100   FastApproximateRankImageFilter()
00101   {
00102     // to avoid valgrind warning
00103     m_Rank = 0.0;
00104     this->SetRank(0.5);
00105   }
00106 
00107   ~FastApproximateRankImageFilter() {}
00108 
00109   void PrintSelf(std::ostream & os, Indent indent) const
00110   {
00111     Superclass::PrintSelf(os, indent);
00112     os << indent << "Rank: " << m_Rank << std::endl;
00113   }
00114 
00115 private:
00116   FastApproximateRankImageFilter(const Self &); //purposely not implemented
00117   void operator=(const Self &);                 //purposely not implemented
00118 
00119   float m_Rank;
00120 };
00121 }
00122 
00123 #endif
00124