94 lines
3.1 KiB
C++
94 lines
3.1 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_Streamline_h
|
|
#define vtk_m_filter_Streamline_h
|
|
|
|
#include <vtkm/filter/FilterDataSetWithField.h>
|
|
#include <vtkm/worklet/ParticleAdvection.h>
|
|
|
|
namespace vtkm
|
|
{
|
|
namespace filter
|
|
{
|
|
/// \brief generate isosurface(s) from a Volume
|
|
|
|
/// Takes as input a volume (e.g., 3D structured point set) and generates on
|
|
/// output one or more isosurfaces.
|
|
/// Multiple contour values must be specified to generate the isosurfaces.
|
|
/// @warning
|
|
/// This filter is currently only supports 3D volumes.
|
|
class Streamline : public vtkm::filter::FilterDataSetWithField<Streamline>
|
|
{
|
|
public:
|
|
VTKM_CONT
|
|
Streamline();
|
|
|
|
VTKM_CONT
|
|
void SetStepSize(vtkm::Float64 s) { this->StepSize = s; }
|
|
|
|
VTKM_CONT
|
|
void SetNumberOfSteps(vtkm::Id n) { this->NumberOfSteps = n; }
|
|
|
|
VTKM_CONT
|
|
void SetSeeds(vtkm::cont::ArrayHandle<vtkm::Vec<vtkm::FloatDefault, 3>>& seeds);
|
|
|
|
|
|
template <typename T, typename StorageType, typename DerivedPolicy, typename DeviceAdapter>
|
|
VTKM_CONT vtkm::filter::Result DoExecute(
|
|
const vtkm::cont::DataSet& input,
|
|
const vtkm::cont::ArrayHandle<vtkm::Vec<T, 3>, 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<vtkm::Vec<T, 3>, StorageType>& input,
|
|
const vtkm::filter::FieldMetadata& fieldMeta,
|
|
const vtkm::filter::PolicyBase<DerivedPolicy>& policy,
|
|
const DeviceAdapter& tag);
|
|
|
|
private:
|
|
vtkm::worklet::Streamline Worklet;
|
|
vtkm::Float64 StepSize;
|
|
vtkm::Id NumberOfSteps;
|
|
vtkm::cont::ArrayHandle<vtkm::Vec<vtkm::FloatDefault, 3>> Seeds;
|
|
};
|
|
|
|
template <>
|
|
class FilterTraits<Streamline>
|
|
{
|
|
public:
|
|
struct TypeListTagStreamline
|
|
: vtkm::ListTagBase<vtkm::Vec<vtkm::Float32, 3>, vtkm::Vec<vtkm::Float64, 3>>
|
|
{
|
|
};
|
|
typedef TypeListTagStreamline InputFieldTypeList;
|
|
};
|
|
}
|
|
} // namespace vtkm::filter
|
|
|
|
#include <vtkm/filter/Streamline.hxx>
|
|
|
|
#endif // vtk_m_filter_Streamline_h
|