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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 itkVertexCell_hxx
#define itkVertexCell_hxx
#include <algorithm> // For copy_n.
namespace itk
{
template <typename TCellInterface>
void
VertexCell<TCellInterface>::MakeCopy(CellAutoPointer & cellPointer) const
{
cellPointer.TakeOwnership(new Self);
cellPointer->SetPointIds(this->GetPointIds());
}
template <typename TCellInterface>
unsigned int
VertexCell<TCellInterface>::GetDimension() const
{
return Self::CellDimension;
}
template <typename TCellInterface>
unsigned int
VertexCell<TCellInterface>::GetNumberOfPoints() const
{
return Self::NumberOfPoints;
}
template <typename TCellInterface>
auto
VertexCell<TCellInterface>::GetNumberOfBoundaryFeatures(int) const -> CellFeatureCount
{
return 0;
}
template <typename TCellInterface>
bool
VertexCell<TCellInterface>::GetBoundaryFeature(int, CellFeatureIdentifier, CellAutoPointer & cellAPtr)
{
cellAPtr.Reset();
return false;
}
template <typename TCellInterface>
void
VertexCell<TCellInterface>::SetPointIds(PointIdConstIterator first)
{
std::copy_n(first, Self::NumberOfPoints, m_PointIds.begin());
}
template <typename TCellInterface>
void
VertexCell<TCellInterface>::SetPointIds(PointIdConstIterator first, PointIdConstIterator last)
{
int localId = 0;
PointIdConstIterator ii(first);
while (ii != last)
{
m_PointIds[localId++] = *ii++;
}
}
template <typename TCellInterface>
void
VertexCell<TCellInterface>::SetPointId(int localId, PointIdentifier ptId)
{
m_PointIds[localId] = ptId;
}
template <typename TCellInterface>
auto
VertexCell<TCellInterface>::PointIdsBegin() -> PointIdIterator
{
return &m_PointIds[0];
}
template <typename TCellInterface>
auto
VertexCell<TCellInterface>::PointIdsBegin() const -> PointIdConstIterator
{
return &m_PointIds[0];
}
template <typename TCellInterface>
auto
VertexCell<TCellInterface>::PointIdsEnd() -> PointIdIterator
{
return &m_PointIds[Self::NumberOfPoints - 1] + 1;
}
template <typename TCellInterface>
auto
VertexCell<TCellInterface>::PointIdsEnd() const -> PointIdConstIterator
{
return &m_PointIds[Self::NumberOfPoints - 1] + 1;
}
template <typename TCellInterface>
void
VertexCell<TCellInterface>::SetPointId(PointIdentifier ptId)
{
m_PointIds[0] = ptId;
}
template <typename TCellInterface>
auto
VertexCell<TCellInterface>::GetPointId() -> PointIdentifier
{
return m_PointIds[0];
}
template <typename TCellInterface>
bool
VertexCell<TCellInterface>::EvaluatePosition(CoordRepType * x,
PointsContainer * points,
CoordRepType * closestPoint,
CoordRepType pcoord[],
double * minDist2,
InterpolationWeightType * weights)
{
PointType X = points->GetElement(m_PointIds[0]);
if (closestPoint)
{
for (unsigned int i = 0; i < PointDimension; ++i)
{
closestPoint[i] = X[i];
}
}
double dist2 = 0;
{
for (unsigned int i = 0; i < PointDimension; ++i)
{
dist2 += (X[i] - x[i]) * (X[i] - x[i]);
}
}
if (minDist2)
{
*minDist2 = dist2;
}
if (weights)
{
weights[0] = 1.0;
}
if (dist2 == 0.0)
{
if (pcoord)
{
pcoord[0] = 0.0;
}
return true;
}
else
{
if (pcoord)
{
pcoord[0] = -10.0;
}
return false;
}
}
} // end namespace itk
#endif
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