mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-20 02:55:47 +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.
57 lines
1.9 KiB
C++
57 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/DynamicCellSet.h>
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#include <vtkm/cont/ErrorFilterExecution.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 PointAverage::PointAverage()
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: vtkm::filter::FilterCell<PointAverage>()
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, Worklet()
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{
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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 PointAverage::DoExecute(
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const vtkm::cont::DataSet& input,
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const vtkm::cont::ArrayHandle<T, StorageType>& inField,
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const vtkm::filter::FieldMetadata& fieldMetadata,
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const vtkm::filter::PolicyBase<DerivedPolicy>& policy)
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{
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if (!fieldMetadata.IsCellField())
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{
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throw vtkm::cont::ErrorFilterExecution("Cell field expected.");
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}
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vtkm::cont::DynamicCellSet cellSet = input.GetCellSet(this->GetActiveCellSetIndex());
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//todo: we need to ask the policy what storage type we should be using
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//If the input is implicit, we should know what to fall back to
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vtkm::cont::ArrayHandle<T> outArray;
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this->Invoke(this->Worklet, vtkm::filter::ApplyPolicy(cellSet, policy), inField, outArray);
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std::string outputName = this->GetOutputFieldName();
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if (outputName.empty())
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{
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// Default name is name of input.
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outputName = fieldMetadata.GetName();
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}
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return CreateResultFieldPoint(input, outArray, outputName);
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}
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}
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} // namespace vtkm::filter
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