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https://gitlab.kitware.com/vtk/vtk-m
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16a6af5857
The CrossProduct and DotProduct are field filters and therefore fields are automatically propagated instead of calling DoMapField. As GhostCellClassify is passing through all fields, it can override `MapFieldOntoOutput` and skip the deduction of the Field to an ArrayHandle for better compile time.
56 lines
1.9 KiB
C++
56 lines
1.9 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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#include <vtkm/cont/ArrayHandleCast.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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//-----------------------------------------------------------------------------
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inline VTKM_CONT DotProduct::DotProduct()
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: vtkm::filter::FilterField<DotProduct>()
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, SecondaryFieldName()
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, SecondaryFieldAssociation(vtkm::cont::Field::Association::ANY)
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, UseCoordinateSystemAsSecondaryField(false)
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, SecondaryCoordinateSystemIndex(0)
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{
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this->SetOutputFieldName("dotproduct");
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}
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//-----------------------------------------------------------------------------
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template <typename T, typename StorageType, typename DerivedPolicy>
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inline VTKM_CONT vtkm::cont::DataSet DotProduct::DoExecute(
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const vtkm::cont::DataSet& inDataSet,
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const vtkm::cont::ArrayHandle<vtkm::Vec<T, 3>, StorageType>& primary,
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const vtkm::filter::FieldMetadata& fieldMetadata,
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vtkm::filter::PolicyBase<DerivedPolicy> policy)
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{
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vtkm::cont::Field secondaryField;
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if (this->UseCoordinateSystemAsSecondaryField)
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{
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secondaryField = inDataSet.GetCoordinateSystem(this->GetSecondaryCoordinateSystemIndex());
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}
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else
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{
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secondaryField = inDataSet.GetField(this->SecondaryFieldName, this->SecondaryFieldAssociation);
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}
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auto secondary =
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vtkm::filter::ApplyPolicyFieldOfType<vtkm::Vec<T, 3>>(secondaryField, policy, *this);
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vtkm::cont::ArrayHandle<T> output;
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this->Invoke(vtkm::worklet::DotProduct{}, primary, secondary, output);
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return CreateResult(inDataSet, output, this->GetOutputFieldName(), fieldMetadata);
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}
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}
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} // namespace vtkm::filter
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