/usr/include/ITK-4.9/itkVectorNearestNeighborInterpolateImageFunction.h is in libinsighttoolkit4-dev 4.9.0-4ubuntu1.
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*
* Copyright Insight Software Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#ifndef itkVectorNearestNeighborInterpolateImageFunction_h
#define itkVectorNearestNeighborInterpolateImageFunction_h
#include "itkVectorInterpolateImageFunction.h"
namespace itk
{
/**
* \class VectorNearestNeighborInterpolateImageFunction
* \brief Nearest neighbor interpolate a vector image at specified positions.
*
* VectorNearestNeighborInterpolateImageFunction interpolates vector
* image intensity non-integer pixel position using nearest neighbor interpolation.
* This class is templated over the input image type and the coordinate
* representation type.
*
* This function works for N-dimensional images.
*
* \warning This function works only for Vector images.
*
* \ingroup ImageFunctions ImageInterpolators
*
* \ingroup ITKImageFunction
*/
template< typename TInputImage, typename TCoordRep = double >
class VectorNearestNeighborInterpolateImageFunction:
public VectorInterpolateImageFunction< TInputImage, TCoordRep >
{
public:
/** Standard class typedefs. */
typedef VectorNearestNeighborInterpolateImageFunction Self;
typedef VectorInterpolateImageFunction< TInputImage, TCoordRep > Superclass;
typedef SmartPointer< Self > Pointer;
typedef SmartPointer< const Self > ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(VectorNearestNeighborInterpolateImageFunction,
VectorInterpolateImageFunction);
/** InputImageType typedef support. */
typedef typename Superclass::InputImageType InputImageType;
typedef typename Superclass::PixelType PixelType;
typedef typename Superclass::ValueType ValueType;
typedef typename Superclass::RealType RealType;
/** Grab the vector dimension from the superclass. */
itkStaticConstMacro(Dimension, unsigned int,
Superclass::Dimension);
/** Dimension underlying input image. */
itkStaticConstMacro(ImageDimension, unsigned int, Superclass::ImageDimension);
/** Index typedef support. */
typedef typename Superclass::IndexType IndexType;
/** ContinuousIndex typedef support. */
typedef typename Superclass::ContinuousIndexType ContinuousIndexType;
/** Output type is Vector<double,Dimension> */
typedef typename Superclass::OutputType OutputType;
/** Evaluate the function at a ContinuousIndex position
*
* Returns the interpolated image intensity at a
* specified point position. No bounds checking is done.
* The point is assume to lie within the image buffer.
*
* ImageFunction::IsInsideBuffer() can be used to check bounds before
* calling the method. */
virtual OutputType EvaluateAtContinuousIndex(
const ContinuousIndexType & index) const ITK_OVERRIDE
{
IndexType nindex;
this->ConvertContinuousIndexToNearestIndex(index, nindex);
return static_cast< OutputType >( this->GetInputImage()->GetPixel(nindex) );
}
protected:
VectorNearestNeighborInterpolateImageFunction(){}
~VectorNearestNeighborInterpolateImageFunction(){}
void PrintSelf(std::ostream & os, Indent indent) const ITK_OVERRIDE
{ Superclass::PrintSelf(os, indent); }
private:
VectorNearestNeighborInterpolateImageFunction(const Self &) ITK_DELETE_FUNCTION;
void operator=(const Self &) ITK_DELETE_FUNCTION;
};
} // end namespace itk
#endif
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