ITK  4.4.0
Insight Segmentation and Registration Toolkit
itkLabelStatisticsKeepNObjectsImageFilter.h
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1 /*=========================================================================
2  *
3  * Copyright Insight Software Consortium
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0.txt
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  *
17  *=========================================================================*/
18 #ifndef __itkLabelStatisticsKeepNObjectsImageFilter_h
19 #define __itkLabelStatisticsKeepNObjectsImageFilter_h
20 
25 
26 namespace itk
27 {
45 template< class TInputImage, class TFeatureImage >
47  public ImageToImageFilter< TInputImage, TInputImage >
48 {
49 public:
55 
57  typedef TInputImage InputImageType;
58  typedef TInputImage OutputImageType;
59  typedef typename InputImageType::Pointer InputImagePointer;
60  typedef typename InputImageType::ConstPointer InputImageConstPointer;
61  typedef typename InputImageType::RegionType InputImageRegionType;
62  typedef typename InputImageType::PixelType InputImagePixelType;
63  typedef typename OutputImageType::Pointer OutputImagePointer;
64  typedef typename OutputImageType::ConstPointer OutputImageConstPointer;
65  typedef typename OutputImageType::RegionType OutputImageRegionType;
66  typedef typename OutputImageType::PixelType OutputImagePixelType;
67 
68  typedef TFeatureImage FeatureImageType;
69  typedef typename FeatureImageType::Pointer FeatureImagePointer;
70  typedef typename FeatureImageType::ConstPointer FeatureImageConstPointer;
71  typedef typename FeatureImageType::PixelType FeatureImagePixelType;
72 
74  itkStaticConstMacro(InputImageDimension, unsigned int,
75  TInputImage::ImageDimension);
76  itkStaticConstMacro(OutputImageDimension, unsigned int,
77  TInputImage::ImageDimension);
78  itkStaticConstMacro(ImageDimension, unsigned int,
79  TInputImage::ImageDimension);
81 
89 
91  itkNewMacro(Self);
92 
96 
97 #ifdef ITK_USE_CONCEPT_CHECKING
98 
99  itkConceptMacro( InputEqualityComparableCheck,
101  itkConceptMacro( IntConvertibleToInputCheck,
103  itkConceptMacro( InputOStreamWritableCheck,
105 
107 #endif
108 
113  itkSetMacro(BackgroundValue, OutputImagePixelType);
114  itkGetConstMacro(BackgroundValue, OutputImagePixelType);
116 
120  itkGetConstMacro(NumberOfObjects, SizeValueType);
121  itkSetMacro(NumberOfObjects, SizeValueType);
123 
129  itkGetConstMacro(ReverseOrdering, bool);
130  itkSetMacro(ReverseOrdering, bool);
131  itkBooleanMacro(ReverseOrdering);
133 
138  itkGetConstMacro(Attribute, AttributeType);
139  itkSetMacro(Attribute, AttributeType);
140  void SetAttribute(const std::string & s)
141  {
142  this->SetAttribute( LabelObjectType::GetAttributeFromName(s) );
143  }
145 
147  void SetFeatureImage(const TFeatureImage *input)
148  {
149  // Process object is not const-correct so the const casting is required.
150  this->SetNthInput( 1, const_cast< TFeatureImage * >( input ) );
151  }
152 
154  const FeatureImageType * GetFeatureImage()
155  {
156  return static_cast< const FeatureImageType * >( this->ProcessObject::GetInput(1) );
157  }
158 
160  void SetInput1(const InputImageType *input)
161  {
162  this->SetInput(input);
163  }
164 
166  void SetInput2(const FeatureImageType *input)
167  {
168  this->SetFeatureImage(input);
169  }
170 
171 protected:
174  void PrintSelf(std::ostream & os, Indent indent) const;
175 
179  void GenerateInputRequestedRegion();
180 
182  void EnlargeOutputRequestedRegion( DataObject *itkNotUsed(output) );
183 
186  void GenerateData();
187 
188 private:
189  LabelStatisticsKeepNObjectsImageFilter(const Self &); //purposely not
190  // implemented
191  void operator=(const Self &); //purposely not
192  // implemented
193 
198 }; // end of class
199 } // end namespace itk
200 
201 #ifndef ITK_MANUAL_INSTANTIATION
202 #include "itkLabelStatisticsKeepNObjectsImageFilter.hxx"
203 #endif
204 
205 #endif
206