rtkProjectionsRegionConstIteratorRayBasedWithCylindricalPanel.h

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/*=========================================================================
 *
 *  Copyright RTK 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
 *
 *         https://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 rtkProjectionsRegionConstIteratorRayBasedWithCylindricalPanel_h
#define rtkProjectionsRegionConstIteratorRayBasedWithCylindricalPanel_h

#include "rtkProjectionsRegionConstIteratorRayBased.h"

namespace rtk
{
template <typename TImage>
class ITK_TEMPLATE_EXPORT ProjectionsRegionConstIteratorRayBasedWithCylindricalPanel
  : public ProjectionsRegionConstIteratorRayBased<TImage>
{
public:
  using Self = ProjectionsRegionConstIteratorRayBasedWithCylindricalPanel;
  using Superclass = ProjectionsRegionConstIteratorRayBased<TImage>;

  using OffsetValueType = typename Superclass::OffsetValueType;
  using RegionType = typename Superclass::RegionType;
  using MatrixType = typename Superclass::MatrixType;
  using IndexValueType = typename Superclass::IndexValueType;

  using PointType = typename itk::Vector<double, 3>;
  using HomogeneousMatrixType = itk::Matrix<double, 4, 4>;

  ProjectionsRegionConstIteratorRayBasedWithCylindricalPanel(const TImage *                           ptr,
                                                             const RegionType &                       region,
                                                             const ThreeDCircularProjectionGeometry * geometry,
                                                             const MatrixType &                       postMat);

protected:
  inline void
  NewProjection() override;

  inline void
  NewPixel() override;

  HomogeneousMatrixType m_ProjectionIndexTransformMatrix;
  MatrixType            m_VolumeTransformMatrix;
  double                m_Radius;
  double                m_InverseRadius;
  double                m_SourceToIsocenterDistance;
};
} // namespace rtk

#ifndef ITK_MANUAL_INSTANTIATION
#  include "rtkProjectionsRegionConstIteratorRayBasedWithCylindricalPanel.hxx"
#endif

#endif