2017-05-23 16:06:31 +00:00
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//============================================================================
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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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// 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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2017-09-20 21:33:44 +00:00
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// Copyright 2014 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
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2017-05-23 16:06:31 +00:00
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// Copyright 2014 UT-Battelle, LLC.
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// Copyright 2014 Los Alamos National Security.
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//
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2017-09-20 21:33:44 +00:00
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// Under the terms of Contract DE-NA0003525 with NTESS,
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2017-05-23 16:06:31 +00:00
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// the U.S. Government retains certain rights in this software.
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//
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// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
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// Laboratory (LANL), the U.S. Government retains certain rights in
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// this software.
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//============================================================================
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#include <vtkm/worklet/DispatcherMapField.h>
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#include <vtkm/worklet/FieldEntropy.h>
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2018-04-02 21:58:21 +00:00
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#include <vtkm/filter/internal/CreateResult.h>
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2017-08-10 17:56:19 +00:00
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namespace vtkm
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{
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namespace filter
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{
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2017-05-23 16:06:31 +00:00
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//-----------------------------------------------------------------------------
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2017-08-10 17:56:19 +00:00
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inline VTKM_CONT Entropy::Entropy()
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: NumberOfBins(10)
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2017-05-23 16:06:31 +00:00
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{
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this->SetOutputFieldName("entropy");
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}
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//-----------------------------------------------------------------------------
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2018-08-30 15:53:18 +00:00
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template <typename T, typename StorageType, typename DerivedPolicy>
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2018-04-02 21:58:21 +00:00
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inline VTKM_CONT vtkm::cont::DataSet Entropy::DoExecute(
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2017-08-10 17:56:19 +00:00
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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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2018-08-30 15:53:18 +00:00
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const vtkm::filter::PolicyBase<DerivedPolicy>&)
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2017-05-23 16:06:31 +00:00
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{
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vtkm::worklet::FieldEntropy worklet;
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2018-08-30 15:53:18 +00:00
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vtkm::Float64 e = worklet.Run(field, this->NumberOfBins);
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2017-05-23 16:06:31 +00:00
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//the entropy vector only contain one element, the entorpy of the input field
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2017-05-23 17:59:19 +00:00
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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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2017-05-23 16:06:31 +00:00
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2018-04-02 21:58:21 +00:00
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return internal::CreateResult(inDataSet,
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entropy,
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this->GetOutputFieldName(),
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fieldMetadata.GetAssociation(),
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fieldMetadata.GetCellSetName());
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2017-05-23 16:06:31 +00:00
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}
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}
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} // namespace vtkm::filter
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