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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 itkMeshSpatialObject_hxx
#define itkMeshSpatialObject_hxx
#include "itkSize.h"
namespace itk
{
template <typename TMesh>
MeshSpatialObject<TMesh>::MeshSpatialObject()
{
this->SetTypeName("MeshSpatialObject");
this->Clear();
this->Update();
}
template <typename TMesh>
void
MeshSpatialObject<TMesh>::Clear()
{
Superclass::Clear();
m_Mesh = MeshType::New();
#if !defined(ITK_LEGACY_REMOVE)
m_PixelType = typeid(typename TMesh::PixelType).name();
#endif
m_IsInsidePrecisionInObjectSpace = 1;
this->Modified();
}
template <typename TMesh>
bool
MeshSpatialObject<TMesh>::IsInsideInObjectSpace(const PointType & point) const
{
if (this->GetMyBoundingBoxInObjectSpace()->IsInside(point))
{
typename MeshType::CellsContainerPointer cells = m_Mesh->GetCells();
typename MeshType::CellsContainer::ConstIterator it = cells->Begin();
while (it != cells->End())
{
using CoordRepType = typename MeshType::CoordRepType;
CoordRepType position[Dimension];
for (unsigned int i = 0; i < Dimension; ++i)
{
position[i] = point[i];
}
// If this is a triangle cell we need to check the distance
if (it.Value()->GetNumberOfPoints() == 3)
{
double minDist = 0.0;
const bool pointIsInsideInObjectSpace =
it.Value()->EvaluatePosition(position, m_Mesh->GetPoints(), nullptr, nullptr, &minDist, nullptr);
if (pointIsInsideInObjectSpace && minDist <= this->m_IsInsidePrecisionInObjectSpace)
{
return true;
}
}
else
{
if (it.Value()->EvaluatePosition(position, m_Mesh->GetPoints(), nullptr, nullptr, nullptr, nullptr))
{
return true;
}
}
++it;
}
}
return false;
}
template <typename TMesh>
void
MeshSpatialObject<TMesh>::ComputeMyBoundingBox()
{
PointType pnt1;
PointType pnt2;
for (unsigned int i = 0; i < this->ObjectDimension; ++i)
{
pnt1[i] = m_Mesh->GetBoundingBox()->GetBounds()[2 * i];
pnt2[i] = m_Mesh->GetBoundingBox()->GetBounds()[2 * i + 1];
}
this->GetModifiableMyBoundingBoxInObjectSpace()->SetMinimum(m_Mesh->GetBoundingBox()->GetMinimum());
this->GetModifiableMyBoundingBoxInObjectSpace()->SetMaximum(m_Mesh->GetBoundingBox()->GetMaximum());
this->GetModifiableMyBoundingBoxInObjectSpace()->ComputeBoundingBox();
}
template <typename TMesh>
void
MeshSpatialObject<TMesh>::SetMesh(MeshType * mesh)
{
if (m_Mesh != mesh)
{
m_Mesh = mesh;
this->Modified();
}
}
template <typename TMesh>
auto
MeshSpatialObject<TMesh>::GetMesh() -> MeshType *
{
return m_Mesh.GetPointer();
}
template <typename TMesh>
auto
MeshSpatialObject<TMesh>::GetMesh() const -> const MeshType *
{
return m_Mesh.GetPointer();
}
template <typename TMesh>
typename LightObject::Pointer
MeshSpatialObject<TMesh>::InternalClone() const
{
// Default implementation just copies the parameters from
// this to new transform.
typename LightObject::Pointer loPtr = Superclass::InternalClone();
typename Self::Pointer rval = dynamic_cast<Self *>(loPtr.GetPointer());
if (rval.IsNull())
{
itkExceptionMacro("downcast to type " << this->GetNameOfClass() << " failed.");
}
rval->SetMesh(this->GetMesh()->Clone());
rval->SetIsInsidePrecisionInObjectSpace(this->GetIsInsidePrecisionInObjectSpace());
return loPtr;
}
template <typename TMesh>
void
MeshSpatialObject<TMesh>::PrintSelf(std::ostream & os, Indent indent) const
{
Superclass::PrintSelf(os, indent);
itkPrintSelfObjectMacro(Mesh);
#if !defined(ITK_LEGACY_REMOVE)
os << indent << "PixelType: " << m_PixelType << std::endl;
#endif
os << indent << "IsInsidePrecisionInObjectSpace: " << m_IsInsidePrecisionInObjectSpace << std::endl;
}
template <typename TMesh>
ModifiedTimeType
MeshSpatialObject<TMesh>::GetMTime() const
{
ModifiedTimeType latestMTime = Superclass::GetMTime();
const ModifiedTimeType MeshMTime = m_Mesh->GetMTime();
if (MeshMTime > latestMTime)
{
latestMTime = MeshMTime;
}
return latestMTime;
}
} // end namespace itk
#endif //__MeshSpatialObject_hxx
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