mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-20 11:05:44 +00:00
a6c1b10cd3
To help provide a better time writing VTK-m filter this streamlines the CreateResult API to provide a focused set of methods, based on how CreateResult has been used by existing filters.
116 lines
3.3 KiB
C++
116 lines
3.3 KiB
C++
//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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//
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//============================================================================
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#ifndef vtk_m_filter_FieldMetadata_h
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#define vtk_m_filter_FieldMetadata_h
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#include <vtkm/cont/CoordinateSystem.h>
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#include <vtkm/cont/Field.h>
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namespace vtkm
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{
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namespace filter
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{
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class FieldMetadata
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{
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public:
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VTKM_CONT
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FieldMetadata()
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: Name()
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, Association(vtkm::cont::Field::Association::ANY)
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, CellSetName()
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{
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}
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VTKM_CONT
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FieldMetadata(const vtkm::cont::Field& f)
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: Name(f.GetName())
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, Association(f.GetAssociation())
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, CellSetName(f.GetAssocCellSet())
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{
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}
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VTKM_CONT
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FieldMetadata(const vtkm::cont::CoordinateSystem& sys)
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: Name(sys.GetName())
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, Association(sys.GetAssociation())
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, CellSetName(sys.GetAssocCellSet())
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{
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}
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VTKM_CONT
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bool IsPointField() const { return this->Association == vtkm::cont::Field::Association::POINTS; }
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VTKM_CONT
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bool IsCellField() const { return this->Association == vtkm::cont::Field::Association::CELL_SET; }
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VTKM_CONT
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const std::string& GetName() const { return this->Name; }
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VTKM_CONT
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vtkm::cont::Field::Association GetAssociation() const { return this->Association; }
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VTKM_CONT
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const std::string& GetCellSetName() const { return this->CellSetName; }
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/// Construct a new field with the same association as stored in this FieldMetaData
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/// but with a new name
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template <typename T, typename StorageTag>
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VTKM_CONT vtkm::cont::Field AsField(const std::string& name,
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const vtkm::cont::ArrayHandle<T, StorageTag>& handle) const
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{
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if (this->IsCellField())
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{
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return vtkm::cont::Field(name, this->Association, this->CellSetName, handle);
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}
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else
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{
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return vtkm::cont::Field(name, this->Association, handle);
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}
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}
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/// Construct a new field with the same association as stored in this FieldMetaData
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/// but with a new name
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VTKM_CONT
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vtkm::cont::Field AsField(const std::string& name,
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const vtkm::cont::VariantArrayHandle& handle) const
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{
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if (this->IsCellField())
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{
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return vtkm::cont::Field(name, this->Association, this->CellSetName, handle);
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}
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else
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{
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return vtkm::cont::Field(name, this->Association, handle);
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}
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}
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/// Construct a new field with the same association and name as stored in this FieldMetaData
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template <typename T, typename StorageTag>
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VTKM_CONT vtkm::cont::Field AsField(const vtkm::cont::ArrayHandle<T, StorageTag>& handle) const
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{
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return this->AsField(this->Name, handle);
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}
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/// Construct a new field with the same association and name as stored in this FieldMetaData
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VTKM_CONT vtkm::cont::Field AsField(const vtkm::cont::VariantArrayHandle& handle) const
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{
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return this->AsField(this->Name, handle);
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}
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private:
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std::string Name; ///< name of field
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vtkm::cont::Field::Association Association;
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std::string CellSetName; ///< only populate if assoc is cells
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};
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}
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}
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#endif //vtk_m_filter_FieldMetadata_h
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