otbWrapperNumericalParameter.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 otbWrapperNumericalParameter_h
#define otbWrapperNumericalParameter_h
 
#include "otbWrapperParameter.h"
#include "otbAlgoClamp.h"
#include "itkNumericTraits.h"
#include <boost/optional.hpp>
 
namespace otb
{
namespace Wrapper
{
template <class T>
class ITK_ABI_EXPORT NumericalParameter : public Parameter
{
public:
  typedef NumericalParameter            Self;
  typedef Parameter                     Superclass;
  typedef itk::SmartPointer<Self>       Pointer;
  typedef itk::SmartPointer<const Self> ConstPointer;
 
  typedef T ScalarType;
 
  void Reset() override
  {
    m_Value = m_DefaultValue;
  }
 
  void SetValue(ScalarType value)
  {
    m_Value = otb::clamp(value, m_MinimumValue, m_MaximumValue);
 
    // Set Active only if the parameter is not automatically set
    if (!GetAutomaticValue())
    {
      SetActive(true);
    }
  }
 
  void SetValue(const std::string& valueStr)
  {
    ScalarType value = static_cast<ScalarType>(atof(valueStr.c_str()));
    SetValue(value);
  }
 
  ScalarType GetValue() const
  {
    if (!HasValue())
    {
      itkGenericExceptionMacro(<< "Parameter " << this->GetKey() << " has no value yet.");
    }
    return static_cast<ScalarType>(*m_Value);
  }
 
  bool HasValue() const override
  {
    return m_Value != boost::none;
  }
 
  void ClearValue() override
  {
    m_Value.reset();
  }
 
  itkSetMacro(DefaultValue, ScalarType);
 
  itkGetMacro(DefaultValue, ScalarType);
 
  itkSetMacro(MinimumValue, ScalarType);
 
  itkGetMacro(MinimumValue, ScalarType);
 
  itkSetMacro(MaximumValue, ScalarType);
 
  itkGetMacro(MaximumValue, ScalarType);
 
  // TODO move to hxx
  int ToInt() const override
  {
    if (!HasValue())
    {
      itkExceptionMacro("Cannot convert parameter " << GetKey() << " to int (no value).");
    }
    return static_cast<int>(*m_Value);
  }
 
  float ToFloat() const override
  {
    if (!HasValue())
    {
      itkExceptionMacro("Cannot convert parameter " << GetKey() << " to float (no value).");
    }
    return static_cast<float>(*m_Value);
  }
 
  double ToDouble() const override
  {
    if (!HasValue())
    {
      itkExceptionMacro("Cannot convert parameter " << GetKey() << " to double (no value).");
    }
    return static_cast<double>(*m_Value);
  }
 
  void FromInt(int value) override
  {
    SetValue(value);
  }
 
  void FromString(const std::string& value) override
  {
    SetValue(value);
  }
 
  std::string ToString() const override
  {
    std::ostringstream oss;
    oss << this->GetValue();
    return oss.str();
  }
 
protected:
  NumericalParameter()
    : m_DefaultValue(itk::NumericTraits<T>::Zero), m_MinimumValue(itk::NumericTraits<T>::NonpositiveMin()), m_MaximumValue(itk::NumericTraits<T>::max())
  {
  }
 
  ~NumericalParameter() override
  {
  }
 
  boost::optional<T> m_Value;
 
  ScalarType m_DefaultValue;
 
  ScalarType m_MinimumValue;
 
  ScalarType m_MaximumValue;
 
private:
  NumericalParameter(const Parameter&) = delete;
  void operator=(const Parameter&) = delete;
 
}; // End class Numerical Parameter
 
class OTBApplicationEngine_EXPORT FloatParameter : public NumericalParameter<float>
{
public:
  typedef FloatParameter                Self;
  typedef itk::SmartPointer<Self>       Pointer;
  typedef itk::SmartPointer<const Self> ConstPointer;
 
  itkNewMacro(Self);
  itkTypeMacro(NumericalParameter, Parameter);
 
  ParameterType GetType() const override
  {
    return ParameterType_Float;
  }
 
  void FromFloat(float value) override
  {
    SetValue(value);
  }
};
 
class OTBApplicationEngine_EXPORT DoubleParameter : public NumericalParameter<double>
{
public:
  typedef DoubleParameter                Self;
  typedef itk::SmartPointer<Self>       Pointer;
  typedef itk::SmartPointer<const Self> ConstPointer;
 
  itkNewMacro(Self);
  itkTypeMacro(NumericalParameter, Parameter);
 
  ParameterType GetType() const override
  {
    return ParameterType_Double;
  }
 
  void FromDouble(double value) override
  {
    SetValue(value);
  }
};
 
class OTBApplicationEngine_EXPORT IntParameter : public NumericalParameter<int>
{
public:
  typedef IntParameter                  Self;
  typedef itk::SmartPointer<Self>       Pointer;
  typedef itk::SmartPointer<const Self> ConstPointer;
 
  itkNewMacro(Self);
  itkTypeMacro(NumericalParameter, Parameter);
 
  ParameterType GetType() const override
  {
    return ParameterType_Int;
  }
};
 
class OTBApplicationEngine_EXPORT RAMParameter : public NumericalParameter<unsigned int>
{
public:
  typedef RAMParameter                  Self;
  typedef Parameter                     Superclass;
  typedef itk::SmartPointer<Self>       Pointer;
  typedef itk::SmartPointer<const Self> ConstPointer;
 
  itkNewMacro(Self);
 
  itkTypeMacro(RAMParameter, Parameter);
 
  ParameterType GetType() const override
  {
    return ParameterType_RAM;
  }
 
  RAMParameter() : NumericalParameter<unsigned int>()
  {
    this->SetName("RAM");
    this->SetDescription("Set the maximum of available memory for the pipeline execution in mega bytes (optional, 256 by default).");
    this->SetKey("ram");
 
    // 0 RAM is not allowed, make the minimum to 1 by default
    this->SetMinimumValue(1);
  }
};
 
class OTBApplicationEngine_EXPORT RadiusParameter : public IntParameter
{
public:
  typedef RadiusParameter               Self;
  typedef itk::SmartPointer<Self>       Pointer;
  typedef itk::SmartPointer<const Self> ConstPointer;
 
  itkNewMacro(Self);
  itkTypeMacro(RadiusParameter, Parameter);
 
  bool HasValue() const override
  {
    return true;
  }
 
  ParameterType GetType() const override
  {
    return ParameterType_Radius;
  }
 
protected:
  RadiusParameter()
  {
    this->SetName("Radius");
    this->SetKey("r");
    this->SetDescription("Radius in pixels");
  }
};
 
} // End namespace Wrapper
} // End namespace otb
 
#endif