otbPointSetAndValuesFunction.h

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/*
 * Copyright (C) 2005-2022 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
{
template <class TPointSet, class TValue, class TCoordRep = double>
class ITK_EXPORT PointSetAndValuesFunction : public itk::FunctionBase<itk::Point<TCoordRep, TPointSet::PointDimension>, TValue>
{
public:
  typedef PointSetAndValuesFunction Self;
  typedef itk::FunctionBase<itk::Point<TCoordRep, TPointSet::PointDimension>, TValue> Superclass;
  typedef itk::SmartPointer<Self>       Pointer;
  typedef itk::SmartPointer<const Self> ConstPointer;
 
  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);
 
  virtual void SetPointSet(const PointSetType* ptr);
 
  const PointSetType* GetPointSet() const
  {
    return m_PointSet.GetPointer();
  }
 
  virtual TValue Evaluate(const PointType& point) const = 0;
 
  virtual TValue EvaluateAtIndex(const IndexType& index) const = 0;
 
  virtual TValue EvaluateAtContinuousIndex(const ContinuousIndexType& index) const = 0;
 
protected:
  PointSetAndValuesFunction()
  {
    m_PointSet    = PointSetType::New();
    m_ValueVector = ValueVectorType::New();
  }
 
  virtual ~PointSetAndValuesFunction()
  {
  }
 
  virtual void PrintSelf(std::ostream& os, itk::Indent indent) const;
 
private:
  PointSetAndValuesFunction(const Self&) = delete;
  void operator=(const Self&) = delete;
 
  PointSetConstPointerType m_PointSet;