mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-20 11:05:44 +00:00
5c797169ec
Since Field association is used either when creating or working with 'vtkm::cont::Field', it's put in the class itself.
77 lines
2.7 KiB
C++
77 lines
2.7 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, typename Device>
|
|
inline VTKM_CONT vtkm::cont::DataSet NDEntropy::DoExecute(
|
|
const vtkm::cont::DataSet& inData,
|
|
vtkm::filter::PolicyBase<Policy> vtkmNotUsed(policy),
|
|
Device device)
|
|
{
|
|
VTKM_IS_DEVICE_ADAPTER_TAG(Device);
|
|
|
|
vtkm::worklet::NDimsEntropy ndEntropy;
|
|
ndEntropy.SetNumOfDataPoints(inData.GetField(0).GetData().GetNumberOfValues(), device);
|
|
|
|
// 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], device);
|
|
}
|
|
|
|
// Run worklet to calculate multi-variate entropy
|
|
vtkm::Float64 entropy = ndEntropy.Run(device);
|
|
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, typename DeviceAdapter>
|
|
inline VTKM_CONT bool NDEntropy::DoMapField(vtkm::cont::DataSet&,
|
|
const vtkm::cont::ArrayHandle<T, StorageType>&,
|
|
const vtkm::filter::FieldMetadata&,
|
|
const vtkm::filter::PolicyBase<DerivedPolicy>&,
|
|
DeviceAdapter)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
}
|