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/*
* Copyright (C) 2005-2017 Centre National d'Etudes Spatiales (CNES)
*
* This file is part of Orfeo Toolbox
*
* https://www.orfeo-toolbox.org/
*
* 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
*
* 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 otbPointSetAndValuesFunction_h
#define otbPointSetAndValuesFunction_h
#include "itkFunctionBase.h"
#include "itkContinuousIndex.h"
#include "itkVectorContainer.h"
#include "itkPointSet.h"
namespace otb
{
/** \class PointSetAndValuesFunction
* \brief Base class for function needing a point set and a set of associated value to compute the output.
*
* \ingroup OTBPointSet
*/
template <class TPointSet, class TValue, class TCoordRep = double>
class ITK_EXPORT PointSetAndValuesFunction
: public itk::FunctionBase<itk::Point<TCoordRep, TPointSet::PointDimension>, TValue>
{
public:
/** Standard typedefs */
typedef PointSetAndValuesFunction Self;
typedef itk::FunctionBase<
itk::Point<TCoordRep, TPointSet::PointDimension>,
TValue
> Superclass;
typedef itk::SmartPointer<Self>
Pointer;
typedef itk::SmartPointer<const Self>
ConstPointer;
/** Creation through object factory macro */
itkTypeMacro(PointSetAndValuesFunction, itk::FunctionBase);
typedef TPointSet PointSetType;
typedef typename PointSetType::ConstPointer PointSetConstPointerType;
typedef TValue ValueType;
typedef TCoordRep CoordRepType;
typedef typename PointSetType::PointType PointType;
typedef itk::Index<PointType::PointDimension> IndexType;
typedef itk::ContinuousIndex<CoordRepType, PointType::PointDimension> ContinuousIndexType;
typedef itk::VectorContainer<unsigned long, ValueType> ValueVectorType;
typedef typename ValueVectorType::ConstPointer ValueVectorPointerType;
itkSetObjectMacro(ValueVector, ValueVectorType);
itkGetObjectMacro(ValueVector, ValueVectorType);
/**
* Set the point set.
* \param the point set
*/
virtual void SetPointSet(const PointSetType * ptr);
/**
* Get the point set.
* \return the point set
*/
const PointSetType * GetPointSet() const
{
return m_PointSet.GetPointer();
}
/** Evaluate the function at specified Point position.
* Subclasses must provide this method. */
virtual TValue Evaluate(const PointType& point) const = 0;
/** Evaluate the function at specified Index position.
* Subclasses must provide this method. */
virtual TValue EvaluateAtIndex(const IndexType& index) const = 0;
/** Evaluate the function at specified ContinuousIndex position.
* Subclasses must provide this method. */
virtual TValue EvaluateAtContinuousIndex(const ContinuousIndexType& index) const = 0;
protected:
/** Constructor */
PointSetAndValuesFunction()
{
m_PointSet = PointSetType::New();
m_ValueVector = ValueVectorType::New();
}
/** Destructor */
virtual ~PointSetAndValuesFunction() {}
/**PrintSelf method */
virtual void PrintSelf(std::ostream& os, itk::Indent indent) const;
private:
PointSetAndValuesFunction(const Self &); //purposely not implemented
void operator =(const Self&); //purposely not implemented
/** PointSet */
PointSetConstPointerType m_PointSet;
/** value vector */
ValueVectorPointerType m_ValueVector;
};
} // End namespace otb
#endif
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