vtk-m2/vtkm/filter/NDEntropy.hxx
Kenneth Moreland bddad9b386 Remove TryExecute from filters
Now that the dispatcher does its own TryExecute, filters do not need to
do that. This change requires all worklets called by filters to be able
to execute without knowing the device a priori.
2018-10-16 15:59:53 -06:00

73 lines
2.5 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.
//
// Copyright 2016 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
// Copyright 2016 UT-Battelle, LLC.
// Copyright 2016 Los Alamos National Security.
//
// Under the terms of Contract DE-NA0003525 with NTESS,
// the U.S. Government retains certain rights in this software.
//
// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
// Laboratory (LANL), the U.S. Government retains certain rights in
// this software.
//============================================================================
#include <vtkm/cont/DataSet.h>
#include <vtkm/worklet/NDimsEntropy.h>
namespace vtkm
{
namespace filter
{
inline VTKM_CONT NDEntropy::NDEntropy()
{
}
void NDEntropy::AddFieldAndBin(const std::string& fieldName, vtkm::Id numOfBins)
{
this->FieldNames.push_back(fieldName);
this->NumOfBins.push_back(numOfBins);
}
template <typename Policy>
inline VTKM_CONT vtkm::cont::DataSet NDEntropy::DoExecute(
const vtkm::cont::DataSet& inData,
vtkm::filter::PolicyBase<Policy> vtkmNotUsed(policy))
{
vtkm::worklet::NDimsEntropy ndEntropy;
ndEntropy.SetNumOfDataPoints(inData.GetField(0).GetData().GetNumberOfValues());
// Add field one by one
// (By using AddFieldAndBin(), the length of FieldNames and NumOfBins must be the same)
for (size_t i = 0; i < FieldNames.size(); i++)
{
ndEntropy.AddField(inData.GetField(FieldNames[i]).GetData(), NumOfBins[i]);
}
// Run worklet to calculate multi-variate entropy
vtkm::Float64 entropy = ndEntropy.Run();
vtkm::cont::DataSet outputData;
outputData.AddField(vtkm::cont::make_Field(
"Entropy", vtkm::cont::Field::Association::POINTS, &entropy, 1, vtkm::CopyFlag::On));
return outputData;
}
//-----------------------------------------------------------------------------
template <typename T, typename StorageType, typename DerivedPolicy>
inline VTKM_CONT bool NDEntropy::DoMapField(vtkm::cont::DataSet&,
const vtkm::cont::ArrayHandle<T, StorageType>&,
const vtkm::filter::FieldMetadata&,
vtkm::filter::PolicyBase<DerivedPolicy>)
{
return false;
}
}
}