mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-08 13:23:51 +00:00
89 lines
2.7 KiB
C++
89 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.
|
|
//============================================================================
|
|
#ifndef vtk_m_filter_NDHistogram_hxx
|
|
#define vtk_m_filter_NDHistogram_hxx
|
|
|
|
#include <vector>
|
|
#include <vtkm/cont/DataSet.h>
|
|
#include <vtkm/worklet/NDimsHistogram.h>
|
|
|
|
namespace vtkm
|
|
{
|
|
namespace filter
|
|
{
|
|
|
|
inline VTKM_CONT NDHistogram::NDHistogram() {}
|
|
|
|
void NDHistogram::AddFieldAndBin(const std::string& fieldName, vtkm::Id numOfBins)
|
|
{
|
|
this->FieldNames.push_back(fieldName);
|
|
this->NumOfBins.push_back(numOfBins);
|
|
}
|
|
|
|
vtkm::Float64 NDHistogram::GetBinDelta(size_t fieldIdx)
|
|
{
|
|
return BinDeltas[fieldIdx];
|
|
}
|
|
|
|
vtkm::Range NDHistogram::GetDataRange(size_t fieldIdx)
|
|
{
|
|
return DataRanges[fieldIdx];
|
|
}
|
|
|
|
template <typename Policy>
|
|
inline VTKM_CONT vtkm::cont::DataSet NDHistogram::DoExecute(const vtkm::cont::DataSet& inData,
|
|
vtkm::filter::PolicyBase<Policy> policy)
|
|
{
|
|
vtkm::worklet::NDimsHistogram ndHistogram;
|
|
|
|
// Set the number of data points
|
|
ndHistogram.SetNumOfDataPoints(inData.GetField(0).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 < this->FieldNames.size(); i++)
|
|
{
|
|
vtkm::Range rangeField;
|
|
vtkm::Float64 deltaField;
|
|
ndHistogram.AddField(
|
|
vtkm::filter::ApplyPolicyFieldNotActive(inData.GetField(this->FieldNames[i]), policy),
|
|
this->NumOfBins[i],
|
|
rangeField,
|
|
deltaField);
|
|
DataRanges.push_back(rangeField);
|
|
BinDeltas.push_back(deltaField);
|
|
}
|
|
|
|
std::vector<vtkm::cont::ArrayHandle<vtkm::Id>> binIds;
|
|
vtkm::cont::ArrayHandle<vtkm::Id> freqs;
|
|
ndHistogram.Run(binIds, freqs);
|
|
|
|
vtkm::cont::DataSet outputData;
|
|
for (size_t i = 0; i < binIds.size(); i++)
|
|
{
|
|
outputData.AddField(vtkm::cont::make_FieldPoint(this->FieldNames[i], binIds[i]));
|
|
}
|
|
outputData.AddField(vtkm::cont::make_FieldPoint("Frequency", freqs));
|
|
|
|
return outputData;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
template <typename DerivedPolicy>
|
|
inline VTKM_CONT bool NDHistogram::MapFieldOntoOutput(vtkm::cont::DataSet&,
|
|
const vtkm::cont::Field&,
|
|
vtkm::filter::PolicyBase<DerivedPolicy>)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
#endif
|