itkStatisticalDeformationModelTransform.h

/*
 * This file is part of the statismo library.
 *
 * Author: Marcel Luethi (marcel.luethi@unibas.ch)
 *
 * Copyright (c) 2011 University of Basel
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 *
 * Neither the name of the project's author nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

#ifndef __ItkStatisticalDeformationModelTransform
#define __ItkStatisticalDeformationModelTransform

#include <iostream>

#include <itkImage.h>
#include <itkVector.h>

#include "itkStandardImageRepresenter.h"
#include "itkStatisticalModel.h"
#include "itkStatisticalModelTransformBase.h"

namespace itk {

template <class TDataSet, class TScalarType,  unsigned int TDimension >
class ITK_EXPORT StatisticalDeformationModelTransform :
    public itk::StatisticalModelTransformBase< TDataSet, TScalarType , TDimension> {

  public:
    /* Standard class typedefs. */
    typedef StatisticalDeformationModelTransform            Self;
    typedef itk::StatisticalModelTransformBase< TDataSet, TScalarType , TDimension>  Superclass;
    typedef SmartPointer<Self>                Pointer;
    typedef SmartPointer<const Self>          ConstPointer;

    itkSimpleNewMacro( Self );

    itkTypeMacro(StatisticalDeformationModelTransform,  Superclass);

    typedef typename Superclass::InputPointType  InputPointType;
    typedef typename Superclass::OutputPointType OutputPointType;
    typedef typename Superclass::RepresenterType RepresenterType;

    virtual ::itk::LightObject::Pointer CreateAnother() const {
        ::itk::LightObject::Pointer smartPtr;
        Pointer another = Self::New().GetPointer();
        this->CopyBaseMembers(another);

        smartPtr = static_cast<Pointer>(another);
        return smartPtr;
    }


    virtual OutputPointType  TransformPoint(const InputPointType &pt) const {
        typename RepresenterType::ValueType d;
        try {
            d = this->m_StatisticalModel->DrawSampleAtPoint(this->m_coeff_vector, pt);
        } catch (ExceptionObject &e) {
            std::cout << "exception occured at point " << pt << std::endl;
            std::cout << "message " << e.what() << std::endl;
        }
        OutputPointType transformedPoint;
        for (unsigned i = 0; i < pt.GetPointDimension(); i++) {
            transformedPoint[i] = pt[i] + d[i];
        }
        return transformedPoint;
    }

    virtual ~StatisticalDeformationModelTransform() {}

    StatisticalDeformationModelTransform() {}

  private:


    StatisticalDeformationModelTransform(const StatisticalDeformationModelTransform& orig); // purposely not implemented
    StatisticalDeformationModelTransform& operator=(const StatisticalDeformationModelTransform& rhs); //purposely not implemented
};


}  // namespace itk

#endif // __ItkStatisticalDeformationModelTransform