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/*=========================================================================
*
* Copyright NumFOCUS
*
* 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 itkRegularSphereMeshSource_h
#define itkRegularSphereMeshSource_h
#include "itkIntTypes.h"
#include "itkMesh.h"
#include "itkMeshSource.h"
#include "itkTriangleCell.h"
namespace itk
{
/** \class RegularSphereMeshSource
* \brief
* Inputs are the center of the mesh, the scale (radius in each dimension) of the mesh
* and a resolution parameter, which corresponds to the recursion
* depth while creating a spherical triangle mesh.
*
* Don't use recursion depths larger than 5, because mesh generation gets very slow.
*
* \author Thomas Boettger. Division Medical and Biological Informatics, German Cancer Research Center, Heidelberg.
*
* \ingroup ITKMesh
*/
template <typename TOutputMesh>
class ITK_TEMPLATE_EXPORT RegularSphereMeshSource : public MeshSource<TOutputMesh>
{
public:
ITK_DISALLOW_COPY_AND_MOVE(RegularSphereMeshSource);
/** Standard "Self" type alias. */
using Self = RegularSphereMeshSource;
using Superclass = itk::MeshSource<TOutputMesh>;
using Pointer = itk::SmartPointer<Self>;
using ConstPointer = itk::SmartPointer<const Self>;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** \see LightObject::GetNameOfClass() */
itkOverrideGetNameOfClassMacro(RegularSphereMeshSource);
/** Hold on to the type information specified by the template parameters. */
using OutputMeshType = TOutputMesh;
using MeshTraits = typename OutputMeshType::MeshTraits;
using PointType = typename OutputMeshType::PointType;
using PixelType = typename MeshTraits::PixelType;
using VectorType = typename PointType::VectorType;
/** Some convenient type alias. */
using OutputMeshPointer = typename OutputMeshType::Pointer;
using CellTraits = typename OutputMeshType::CellTraits;
using PointsContainerPointer = typename OutputMeshType::PointsContainerPointer;
using PointsContainer = typename OutputMeshType::PointsContainer;
/** Define the triangular cell types which form the surface */
using CellInterfaceType = itk::CellInterface<PixelType, CellTraits>;
using TriCellType = itk::TriangleCell<CellInterfaceType>;
using TriCellAutoPointer = typename TriCellType::SelfAutoPointer;
using CellAutoPointer = typename TriCellType::CellAutoPointer;
using IndexPairType = std::pair<IdentifierType, IdentifierType>;
using PointMapType = itk::MapContainer<IndexPairType, IdentifierType>;
/** Set the resolution level to be used for generating cells in the Sphere.
* High values of this parameter will produce sphere with more triangles. */
itkSetMacro(Resolution, unsigned int);
itkGetConstMacro(Resolution, unsigned int);
/** Set/Get Coordinates of the Sphere center. */
itkSetMacro(Center, PointType);
itkGetConstMacro(Center, PointType);
/** Set/Get scales of the Sphere. This is a vector of values that can
* actually be used for generating ellipsoids aligned with the coordinate
* axis. */
itkSetMacro(Scale, VectorType);
itkGetConstMacro(Scale, VectorType);
protected:
RegularSphereMeshSource();
~RegularSphereMeshSource() override = default;
void
PrintSelf(std::ostream & os, itk::Indent indent) const override;
void
GenerateData() override;
PointType
Divide(const PointType & p1, const PointType & p2) const;
void
AddCell(OutputMeshType * mesh, const typename OutputMeshType::PointIdentifier * pointIds, IdentifierType idx);
/** model center */
PointType m_Center{};
/** models resolution */
unsigned int m_Resolution{};
/** model scales */
VectorType m_Scale{};
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
# include "itkRegularSphereMeshSource.hxx"
#endif
#endif //_itkRegularSphereMeshSource_h
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