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itkAdvancedLinearInterpolateImageFunction.h
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1 /*=========================================================================
2  *
3  * Copyright UMC Utrecht and contributors
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 __itkAdvancedLinearInterpolateImageFunction_h
19 #define __itkAdvancedLinearInterpolateImageFunction_h
20 
21 #include "itkLinearInterpolateImageFunction.h"
22 
23 namespace itk
24 {
62 template< class TInputImage, class TCoordRep = double >
64  public LinearInterpolateImageFunction< TInputImage, TCoordRep >
65 {
66 public:
67 
70  typedef LinearInterpolateImageFunction< TInputImage, TCoordRep > Superclass;
72  typedef SmartPointer< const Self > ConstPointer;
73 
75  itkTypeMacro( AdvancedLinearInterpolateImageFunction, LinearInterpolateImageFunction );
76 
78  itkNewMacro( Self );
79 
81  typedef typename Superclass::OutputType OutputType;
82 
84  typedef typename Superclass::InputImageType InputImageType;
85  typedef typename InputImageType::SpacingType InputImageSpacingType;
86 
88  typedef typename Superclass::InputPixelType InputPixelType;
89 
91  typedef typename Superclass::RealType RealType;
92 
94  itkStaticConstMacro( ImageDimension, unsigned int, Superclass::ImageDimension );
95 
97  typedef typename Superclass::IndexType IndexType;
98 
100  typedef typename Superclass::ContinuousIndexType ContinuousIndexType;
101  typedef typename ContinuousIndexType::ValueType ContinuousIndexValueType;
102 
104  typedef CovariantVector< OutputType,
105  itkGetStaticConstMacro( ImageDimension ) > CovariantVectorType;
106 
109  const ContinuousIndexType & x ) const;
110 
113  const ContinuousIndexType & x,
114  OutputType & value,
115  CovariantVectorType & deriv ) const
116  {
118  Dispatch< ImageDimension >(), x, value, deriv );
119  }
120 
121 
122 protected:
123 
126 
127 private:
128 
129  AdvancedLinearInterpolateImageFunction( const Self & ); // purposely not implemented
130  void operator=( const Self & ); // purposely not implemented
131 
133  struct DispatchBase {};
134  template< unsigned int >
135  struct Dispatch : public DispatchBase {};
136 
139  const Dispatch< 2 > &,
140  const ContinuousIndexType & x,
141  OutputType & value,
142  CovariantVectorType & deriv ) const;
143 
146  const Dispatch< 3 > &,
147  const ContinuousIndexType & x,
148  OutputType & value,
149  CovariantVectorType & deriv ) const;
150 
153  const DispatchBase &,
154  const ContinuousIndexType & x,
155  OutputType & value,
156  CovariantVectorType & deriv ) const
157  {
158  return this->EvaluateValueAndDerivativeUnOptimized( x, value, deriv );
159  }
160 
161 
164  const ContinuousIndexType & x,
165  OutputType & value,
166  CovariantVectorType & deriv ) const
167  {
168  itkExceptionMacro( << "ERROR: EvaluateValueAndDerivativeAtContinuousIndex() "
169  << "is not implemented for this dimension ("
170  << ImageDimension << ")." );
171  }
172 
173 
174 };
175 
176 } // end namespace itk
177 
178 #ifndef ITK_MANUAL_INSTANTIATION
179 #include "itkAdvancedLinearInterpolateImageFunction.hxx"
180 #endif
181 
182 #endif
CovariantVector< OutputType, itkGetStaticConstMacro(ImageDimension) > CovariantVectorType
void EvaluateValueAndDerivativeOptimized(const DispatchBase &, const ContinuousIndexType &x, OutputType &value, CovariantVectorType &deriv) const
LinearInterpolateImageFunction< TInputImage, TCoordRep > Superclass
void EvaluateValueAndDerivativeUnOptimized(const ContinuousIndexType &x, OutputType &value, CovariantVectorType &deriv) const
CovariantVectorType EvaluateDerivativeAtContinuousIndex(const ContinuousIndexType &x) const
void EvaluateValueAndDerivativeAtContinuousIndex(const ContinuousIndexType &x, OutputType &value, CovariantVectorType &deriv) const
void EvaluateValueAndDerivativeOptimized(const Dispatch< 2 > &, const ContinuousIndexType &x, OutputType &value, CovariantVectorType &deriv) const
itkStaticConstMacro(ImageDimension, unsigned int, Superclass::ImageDimension)
Linearly interpolate an image at specified positions.


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