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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 itkVTKPolyDataReader_h
#define itkVTKPolyDataReader_h
#include "itkIntTypes.h"
#include "itkMesh.h"
#include "itkMeshSource.h"
#include "itkTriangleCell.h"
namespace itk
{
/** \class VTKPolyDataReader
* \brief
* Reads a vtkPolyData file and create an itkMesh.
*
* Caveat1: itkVTKPolyDataReader can only read triangle meshes.
* Use vtkTriangleFilter to convert your mesh to a triangle mesh.
* Caviet2: itkVTKPolyDataReader can only read vtk legacy files.
* Caveat3: itkVTKPolyDataReader cannot read binary vtk files.
*
* This class may be deprecated in the future. The MeshFileReader is
* preferred.
*
* \ingroup ITKMesh
*
* \sa MeshFileReader
*/
template <typename TOutputMesh>
class ITK_TEMPLATE_EXPORT VTKPolyDataReader : public MeshSource<TOutputMesh>
{
public:
ITK_DISALLOW_COPY_AND_MOVE(VTKPolyDataReader);
/** Standard "Self" type alias. */
using Self = VTKPolyDataReader;
using Superclass = MeshSource<TOutputMesh>;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** \see LightObject::GetNameOfClass() */
itkOverrideGetNameOfClassMacro(VTKPolyDataReader);
/** 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;
/** Some convenient type alias. */
using OutputMeshPointer = typename OutputMeshType::Pointer;
using CellTraits = typename OutputMeshType::CellTraits;
using CellIdentifier = typename OutputMeshType::CellIdentifier;
using CellType = typename OutputMeshType::CellType;
using CellAutoPointer = typename OutputMeshType::CellAutoPointer;
using PointIdentifier = typename OutputMeshType::PointIdentifier;
using PointIdIterator = typename CellTraits::PointIdIterator;
using PointsContainerPointer = typename OutputMeshType::PointsContainerPointer;
using PointsContainer = typename OutputMeshType::PointsContainer;
/** Define the triangular cell types which form the surface */
using TriangleCellType = TriangleCell<CellType>;
using TriangleCellAutoPointer = typename TriangleCellType::SelfAutoPointer;
using IndexPairType = std::pair<IdentifierType, IdentifierType>;
using PointMapType = MapContainer<IndexPairType, IdentifierType>;
using VectorType = typename PointType::VectorType;
/** Set the resolution level to be used for generating cells in the
* Sphere. High values of this parameter will produce sphere with more
* triangles. */
/** Set/Get the name of the file to be read. */
itkSetStringMacro(FileName);
itkGetStringMacro(FileName);
/** Get the file version line */
itkGetStringMacro(Version);
/** Get the file header line */
itkGetStringMacro(Header);
protected:
VTKPolyDataReader();
~VTKPolyDataReader() override = default;
void
PrintSelf(std::ostream & os, Indent indent) const override;
/** Reads the file */
void
GenerateData() override;
/** Filename to read */
private:
std::string m_FileName{};
std::string m_Header{};
std::string m_Version{};
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
# include "itkVTKPolyDataReader.hxx"
#endif
#endif //_itkVTKPolyDataReader_h
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