91 lines
3.3 KiB
C++
91 lines
3.3 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 2014 Sandia Corporation.
|
|
// Copyright 2014 UT-Battelle, LLC.
|
|
// Copyright 2014 Los Alamos National Security.
|
|
//
|
|
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
|
|
// 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.
|
|
//============================================================================
|
|
|
|
#ifndef vtk_m_filter_Threshold_h
|
|
#define vtk_m_filter_Threshold_h
|
|
|
|
#include <vtkm/filter/FilterDataSetWithField.h>
|
|
#include <vtkm/worklet/Threshold.h>
|
|
|
|
namespace vtkm
|
|
{
|
|
namespace filter
|
|
{
|
|
|
|
/// \brief Extracts cells where scalar value in cell satisfies threshold criterion
|
|
///
|
|
/// Extracts all cells from any dataset type that
|
|
/// satisfy a threshold criterion. A cell satisfies the criterion if the
|
|
/// scalar value of every point or cell satisfies the criterion. The
|
|
/// criterion takes the form of between two values. The output of this
|
|
/// filter is an permutation of the input dataset.
|
|
///
|
|
/// You can threshold either on point or cell fields
|
|
class Threshold : public vtkm::filter::FilterDataSetWithField<Threshold>
|
|
{
|
|
public:
|
|
VTKM_CONT
|
|
Threshold();
|
|
|
|
VTKM_CONT
|
|
void SetLowerThreshold(vtkm::Float64 value) { this->LowerValue = value; }
|
|
VTKM_CONT
|
|
void SetUpperThreshold(vtkm::Float64 value) { this->UpperValue = value; }
|
|
|
|
VTKM_CONT
|
|
vtkm::Float64 GetLowerThreshold() const { return this->LowerValue; }
|
|
VTKM_CONT
|
|
vtkm::Float64 GetUpperThreshold() const { return this->UpperValue; }
|
|
|
|
template <typename T, typename StorageType, typename DerivedPolicy, typename DeviceAdapter>
|
|
VTKM_CONT vtkm::filter::Result DoExecute(const vtkm::cont::DataSet& input,
|
|
const vtkm::cont::ArrayHandle<T, StorageType>& field,
|
|
const vtkm::filter::FieldMetadata& fieldMeta,
|
|
const vtkm::filter::PolicyBase<DerivedPolicy>& policy,
|
|
const DeviceAdapter& tag);
|
|
|
|
//Map a new field onto the resulting dataset after running the filter
|
|
//this call is only valid
|
|
template <typename T, typename StorageType, typename DerivedPolicy, typename DeviceAdapter>
|
|
VTKM_CONT bool DoMapField(vtkm::filter::Result& result,
|
|
const vtkm::cont::ArrayHandle<T, StorageType>& input,
|
|
const vtkm::filter::FieldMetadata& fieldMeta,
|
|
const vtkm::filter::PolicyBase<DerivedPolicy>& policy,
|
|
const DeviceAdapter& tag);
|
|
|
|
private:
|
|
double LowerValue;
|
|
double UpperValue;
|
|
vtkm::worklet::Threshold Worklet;
|
|
};
|
|
|
|
template <>
|
|
class FilterTraits<Threshold>
|
|
{ //currently the threshold filter only works on scalar data.
|
|
public:
|
|
typedef TypeListTagScalarAll InputFieldTypeList;
|
|
};
|
|
}
|
|
} // namespace vtkm::filter
|
|
|
|
#include <vtkm/filter/Threshold.hxx>
|
|
|
|
#endif // vtk_m_filter_Threshold_h
|