2017-05-23 16:06:31 +00:00
|
|
|
//============================================================================
|
|
|
|
// Copyright (c) Kitware, Inc.
|
|
|
|
// All rights reserved.
|
|
|
|
// See LICENSE.txt for details.
|
2019-04-15 23:24:21 +00:00
|
|
|
//
|
2017-05-23 16:06:31 +00:00
|
|
|
// This software is distributed WITHOUT ANY WARRANTY; without even
|
|
|
|
// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
|
|
|
// PURPOSE. See the above copyright notice for more information.
|
|
|
|
//============================================================================
|
|
|
|
|
2019-10-07 19:39:02 +00:00
|
|
|
#ifndef vtk_m_filter_Entropy_hxx
|
|
|
|
#define vtk_m_filter_Entropy_hxx
|
|
|
|
|
2017-05-23 16:06:31 +00:00
|
|
|
#include <vtkm/worklet/FieldEntropy.h>
|
|
|
|
|
2017-08-10 17:56:19 +00:00
|
|
|
namespace vtkm
|
|
|
|
{
|
|
|
|
namespace filter
|
|
|
|
{
|
2017-05-23 16:06:31 +00:00
|
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
2017-08-10 17:56:19 +00:00
|
|
|
inline VTKM_CONT Entropy::Entropy()
|
|
|
|
: NumberOfBins(10)
|
2017-05-23 16:06:31 +00:00
|
|
|
{
|
|
|
|
this->SetOutputFieldName("entropy");
|
|
|
|
}
|
|
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
2018-08-30 15:53:18 +00:00
|
|
|
template <typename T, typename StorageType, typename DerivedPolicy>
|
2018-04-02 21:58:21 +00:00
|
|
|
inline VTKM_CONT vtkm::cont::DataSet Entropy::DoExecute(
|
2017-08-10 17:56:19 +00:00
|
|
|
const vtkm::cont::DataSet& inDataSet,
|
|
|
|
const vtkm::cont::ArrayHandle<T, StorageType>& field,
|
|
|
|
const vtkm::filter::FieldMetadata& fieldMetadata,
|
2018-08-30 15:53:18 +00:00
|
|
|
const vtkm::filter::PolicyBase<DerivedPolicy>&)
|
2017-05-23 16:06:31 +00:00
|
|
|
{
|
|
|
|
vtkm::worklet::FieldEntropy worklet;
|
|
|
|
|
2018-08-30 15:53:18 +00:00
|
|
|
vtkm::Float64 e = worklet.Run(field, this->NumberOfBins);
|
2017-05-23 16:06:31 +00:00
|
|
|
|
|
|
|
//the entropy vector only contain one element, the entorpy of the input field
|
2017-05-23 17:59:19 +00:00
|
|
|
vtkm::cont::ArrayHandle<vtkm::Float64> entropy;
|
|
|
|
entropy.Allocate(1);
|
2020-01-28 19:14:32 +00:00
|
|
|
entropy.WritePortal().Set(0, e);
|
2017-05-23 16:06:31 +00:00
|
|
|
|
2019-08-12 19:46:55 +00:00
|
|
|
return CreateResult(inDataSet, entropy, this->GetOutputFieldName(), fieldMetadata);
|
2017-05-23 16:06:31 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
} // namespace vtkm::filter
|
2019-10-07 19:39:02 +00:00
|
|
|
|
|
|
|
#endif
|