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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 itkQuadrilateralCell_h
#define itkQuadrilateralCell_h
#include "itkLineCell.h"
#include "itkQuadrilateralCellTopology.h"
#include "itkMakeFilled.h"
#include <array>
namespace itk
{
/** \class QuadrilateralCell
* \brief Represents a quadrilateral for a Mesh.
*
* \tparam TPixelType The type associated with a point, cell, or boundary
* for use in storing its data.
*
* \tparam TCellTraits Type information of mesh containing cell.
*
* \ingroup MeshObjects
* \ingroup ITKCommon
*/
template <typename TCellInterface>
class ITK_TEMPLATE_EXPORT QuadrilateralCell
: public TCellInterface
, private QuadrilateralCellTopology
{
public:
ITK_DISALLOW_COPY_AND_MOVE(QuadrilateralCell);
/** Standard class type aliases. */
itkCellCommonTypedefs(QuadrilateralCell);
itkCellInheritedTypedefs(TCellInterface);
/** \see LightObject::GetNameOfClass() */
itkOverrideGetNameOfClassMacro(QuadrilateralCell);
/** The type of boundary for this triangle's vertices. */
using VertexType = VertexCell<TCellInterface>;
using VertexAutoPointer = typename VertexType::SelfAutoPointer;
/** The type of boundary for this triangle's edges. */
using EdgeType = LineCell<TCellInterface>;
using EdgeAutoPointer = typename EdgeType::SelfAutoPointer;
/** Quadrilateral-specific topology numbers. */
static constexpr unsigned int NumberOfPoints = 4;
static constexpr unsigned int NumberOfVertices = 4;
static constexpr unsigned int NumberOfEdges = 4;
static constexpr unsigned int CellDimension = 2;
static constexpr unsigned int NumberOfDerivatives = 8;
/** Implement the standard CellInterface. */
CellGeometryEnum
GetType() const override
{
return CellGeometryEnum::QUADRILATERAL_CELL;
}
void
MakeCopy(CellAutoPointer &) const override;
unsigned int
GetDimension() const override;
unsigned int
GetNumberOfPoints() const override;
CellFeatureCount
GetNumberOfBoundaryFeatures(int dimension) const override;
bool
GetBoundaryFeature(int dimension, CellFeatureIdentifier, CellAutoPointer &) override;
void
SetPointIds(PointIdConstIterator first) override;
void
SetPointIds(PointIdConstIterator first, PointIdConstIterator last) override;
void
SetPointId(int localId, PointIdentifier) override;
PointIdIterator
PointIdsBegin() override;
PointIdConstIterator
PointIdsBegin() const override;
PointIdIterator
PointIdsEnd() override;
PointIdConstIterator
PointIdsEnd() const override;
/** Quadrilateral-specific interface. */
virtual CellFeatureCount
GetNumberOfVertices() const;
virtual CellFeatureCount
GetNumberOfEdges() const;
virtual bool
GetVertex(CellFeatureIdentifier, VertexAutoPointer &);
virtual bool
GetEdge(CellFeatureIdentifier, EdgeAutoPointer &);
/** Evaluate the position inside the cell */
bool
EvaluatePosition(CoordRepType * x,
PointsContainer * points,
CoordRepType * closestPoint,
CoordRepType[CellDimension],
double * dist2,
InterpolationWeightType * weight) override;
/** Visitor interface */
itkCellVisitMacro(CellGeometryEnum::QUADRILATERAL_CELL);
/** Constructor and destructor */
QuadrilateralCell() = default;
#if defined(__GNUC__)
// A bug in some versions of the GCC and Clang compilers
// result in an ICE or linker error when "= default" is requested.
// This was observed in at least gcc 4.8 and 5.4.0, and
// AppleClang 7.0.2 and 8.0.0. Probably others too.
// "= default" doesn't gain us much, so just don't use it here.
~QuadrilateralCell() override{};
#else
~QuadrilateralCell() override = default;
#endif
protected:
/** Store the number of points needed for a quadrilateral. */
std::array<PointIdentifier, NumberOfPoints> m_PointIds{ MakeFilled<std::array<PointIdentifier, NumberOfPoints>>(
NumericTraits<PointIdentifier>::max()) };
void
InterpolationDerivs(const CoordRepType pointCoords[CellDimension], CoordRepType derivs[NumberOfDerivatives]);
void
InterpolationFunctions(const CoordRepType pointCoords[CellDimension],
InterpolationWeightType weights[NumberOfPoints]);
void
EvaluateLocation(int & itkNotUsed(subId),
const PointsContainer * points,
const CoordRepType pointCoords[PointDimension],
CoordRepType x[PointDimension],
InterpolationWeightType * weights);
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
# include "itkQuadrilateralCell.hxx"
#endif
#endif
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