itkTransformBase.h

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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 __itkTransformBase_h
#define __itkTransformBase_h

#include "itkObject.h"
#include "itkPoint.h"
#include "itkCovariantVector.h"
#include "vnl/vnl_vector_fixed.h"
#include "itkArray2D.h"
#include "itkOptimizerParameters.h"

#include "itkObjectFactory.h"
#include "itkIntTypes.h"

namespace itk
{
class ITK_EXPORT TransformBase:public Object
{
public:
  typedef TransformBase              Self;
  typedef Object                     Superclass;
  typedef SmartPointer< Self >       Pointer;
  typedef SmartPointer< const Self > ConstPointer;

  typedef  double                                     ParametersValueType;
  typedef  OptimizerParameters< ParametersValueType > ParametersType;

  itkTypeMacro(TransformBase, Object);

  typedef IdentifierType      NumberOfParametersType;

  virtual NumberOfParametersType GetNumberOfParameters(void) const = 0;

  virtual const ParametersType & GetParameters(void) const = 0;

  virtual unsigned int GetInputSpaceDimension(void) const = 0;

  virtual unsigned int GetOutputSpaceDimension(void) const = 0;

  virtual void SetParameters(const ParametersType &) = 0;

  virtual void SetParametersByValue(const ParametersType & p) = 0;

  virtual void SetFixedParameters(const ParametersType &) = 0;

  virtual const ParametersType & GetFixedParameters() const = 0;

  virtual std::string GetTransformTypeAsString() const = 0;

  typedef enum {
    UnknownTransformCategory=0,
    Linear=1,
    BSpline=2,
    Spline=3,
    DisplacementField=4,
    VelocityField=5
  } TransformCategoryType;

  virtual TransformCategoryType GetTransformCategory() const = 0;

protected:
  TransformBase() {}
  virtual ~TransformBase() {}

private:
  TransformBase(const Self &);  //purposely not implemented
  void operator=(const Self &); //purposely not implemented
};
} // end namespace itk

#endif