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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 itkDefaultDynamicMeshTraits_h
#define itkDefaultDynamicMeshTraits_h
#include "itkCellInterface.h"
#include "itkMapContainer.h"
#include "itkPoint.h"
#include "itkIntTypes.h"
#include <set>
namespace itk
{
/** \class DefaultDynamicMeshTraits
* \brief A simple structure that holds type information for a mesh and its cells.
*
* DefaultDynamicMeshTraits is a simple structure that holds type information
* for a mesh and its cells. It is used to avoid the passing of many
* template parameters while still enjoying the benefits of generic
* programming.
*
* Unlike DefaultStaticMeshTraits, this version of the MeshTraits structure
* is designed to create Mesh instances that will have many insert and delete
* operations done on them.
*
* \tparam TPixelType The type stored as data for an entity (cell, point,
* or boundary).
*
* \tparam VPointDimension Geometric dimension of space.
*
* \tparam VMaxTopologicalDimension Max topological dimension of a cell
* that can be inserted into this mesh.
*
* \tparam TCoordRep Numerical type to store each coordinate value.
*
* \tparam TInterpolationWeight Numerical type to store interpolation
* weights.
*
* \ingroup MeshObjects
* \ingroup ITKCommon
*/
template <typename TPixelType,
unsigned int VPointDimension = 3,
unsigned int VMaxTopologicalDimension = VPointDimension,
typename TCoordRep = float,
typename TInterpolationWeight = float,
typename TCellPixelType = TPixelType>
class DefaultDynamicMeshTraits
{
public:
/** Standard class type aliases. */
using Self = DefaultDynamicMeshTraits;
/** Just save all the template parameters. */
using PixelType = TPixelType;
using CellPixelType = TCellPixelType;
using CoordinateType = TCoordRep;
using CoordRepType = CoordinateType;
using InterpolationWeightType = TInterpolationWeight;
/** Just save all the template parameters. */
static constexpr unsigned int PointDimension = VPointDimension;
static constexpr unsigned int MaxTopologicalDimension = VMaxTopologicalDimension;
/** The type to be used to identify a point. This should be the index type
* to the PointsContainer. */
using PointIdentifier = IdentifierType;
/** The type to be used to identify a cell. This should be the index type
* to the CellsContainer. */
using CellIdentifier = IdentifierType;
/** A type that can be used to identify individual boundary features on
* the cells. Since this will probably be an index into a static array,
* this will probably never change from an integer setting. */
using CellFeatureIdentifier = IdentifierType;
/** The type of point used by the mesh. */
using PointType = Point<CoordRepType, VPointDimension>;
/** The type of point used for hashing. This should never change from
* this setting, regardless of the mesh type. */
using PointHashType = Point<CoordRepType, VPointDimension>;
/** The container type for use in storing points. It must conform to
* the IndexedContainerInterface. */
using PointsContainer = MapContainer<PointIdentifier, PointType>;
/** The container type that will be used to store boundary links
* back to cells. This must conform to the STL "set" interface. */
using UsingCellsContainer = std::set<CellIdentifier>;
/** The information needed for a cell type is now defined, so we can
* define the cell type. */
using CellTraits = itkMakeCellTraitsMacro;
/** The interface to cells to be used by the mesh.
* This should not be changed. */
using CellType = CellInterface<CellPixelType, CellTraits>;
using CellAutoPointer = typename CellType::CellAutoPointer;
/** The container type for use in storing cells. It must conform to
* the IndexedContainerInterface. */
using CellsContainer = MapContainer<CellIdentifier, CellType *>;
/** The CellLinks container should be a container of PointCellLinksContainer,
* which should be a container conforming to the STL "set" interface. */
using PointCellLinksContainer = std::set<CellIdentifier>;
/** The container type for use in storing point links back to cells.]
* It must conform to the IndexedContainerInterface. */
using CellLinksContainer = MapContainer<PointIdentifier, PointCellLinksContainer>;
/** The container type for use in storing point data. It must conform to
* the IndexedContainerInterface. */
using PointDataContainer = MapContainer<PointIdentifier, PixelType>;
/** The container type for use in storing cell data. It must conform to
* the IndexedContainerInterface. */
using CellDataContainer = MapContainer<CellIdentifier, CellPixelType>;
};
} // end namespace itk
#endif
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