mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-08 13:23:51 +00:00
51 lines
1.6 KiB
C++
51 lines
1.6 KiB
C++
//============================================================================
|
|
// Copyright (c) Kitware, Inc.
|
|
// All rights reserved.
|
|
// See LICENSE.txt for details.
|
|
//
|
|
// 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.
|
|
//============================================================================
|
|
|
|
#ifndef vtk_m_filter_Entropy_hxx
|
|
#define vtk_m_filter_Entropy_hxx
|
|
|
|
#include <vtkm/worklet/FieldEntropy.h>
|
|
|
|
namespace vtkm
|
|
{
|
|
namespace filter
|
|
{
|
|
|
|
//-----------------------------------------------------------------------------
|
|
inline VTKM_CONT Entropy::Entropy()
|
|
: NumberOfBins(10)
|
|
{
|
|
this->SetOutputFieldName("entropy");
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
template <typename T, typename StorageType, typename DerivedPolicy>
|
|
inline VTKM_CONT vtkm::cont::DataSet Entropy::DoExecute(
|
|
const vtkm::cont::DataSet& inDataSet,
|
|
const vtkm::cont::ArrayHandle<T, StorageType>& field,
|
|
const vtkm::filter::FieldMetadata& fieldMetadata,
|
|
const vtkm::filter::PolicyBase<DerivedPolicy>&)
|
|
{
|
|
vtkm::worklet::FieldEntropy worklet;
|
|
|
|
vtkm::Float64 e = worklet.Run(field, this->NumberOfBins);
|
|
|
|
//the entropy vector only contain one element, the entorpy of the input field
|
|
vtkm::cont::ArrayHandle<vtkm::Float64> entropy;
|
|
entropy.Allocate(1);
|
|
entropy.WritePortal().Set(0, e);
|
|
|
|
return CreateResult(inDataSet, entropy, this->GetOutputFieldName(), fieldMetadata);
|
|
}
|
|
}
|
|
} // namespace vtkm::filter
|
|
|
|
#endif
|