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.
46 lines
1.5 KiB
C++
46 lines
1.5 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/worklet/FieldEntropy.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 Entropy::Entropy()
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: NumberOfBins(10)
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{
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this->SetOutputFieldName("entropy");
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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 Entropy::DoExecute(
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const vtkm::cont::DataSet& inDataSet,
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const vtkm::cont::ArrayHandle<T, StorageType>& field,
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const vtkm::filter::FieldMetadata& fieldMetadata,
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const vtkm::filter::PolicyBase<DerivedPolicy>&)
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{
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vtkm::worklet::FieldEntropy worklet;
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vtkm::Float64 e = worklet.Run(field, this->NumberOfBins);
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//the entropy vector only contain one element, the entorpy of the input field
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vtkm::cont::ArrayHandle<vtkm::Float64> entropy;
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entropy.Allocate(1);
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entropy.GetPortalControl().Set(0, e);
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return CreateResult(inDataSet, entropy, this->GetOutputFieldName(), fieldMetadata);
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}
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}
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} // namespace vtkm::filter
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