mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-19 18:45:43 +00:00
3da8b5be66
This commit removes `vtkm::filter::Result`. All methods that used `vtkm::filter::Result` simply change to use `vtkm::cont::Dataset` instead. The utility API on `Result` that was used to add fields to the resulting dataset is now available via `vtkm::filter::internal::CreateResult`.
90 lines
3.0 KiB
C++
90 lines
3.0 KiB
C++
//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//
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// Copyright 2017 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
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// Copyright 2017 UT-Battelle, LLC.
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// Copyright 2017 Los Alamos National Security.
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//
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// Under the terms of Contract DE-NA0003525 with NTESS,
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// the U.S. Government retains certain rights in this software.
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//
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// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
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// Laboratory (LANL), the U.S. Government retains certain rights in
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// this software.
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//============================================================================
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#ifndef vtk_m_filter_Streamline_h
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#define vtk_m_filter_Streamline_h
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#include <vtkm/filter/FilterDataSetWithField.h>
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#include <vtkm/worklet/ParticleAdvection.h>
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namespace vtkm
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{
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namespace filter
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{
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/// \brief generate streamlines from a vector field.
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/// Takes as input a vector field and seed locations and generates the
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/// paths taken by the seeds through the vector field.
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class Streamline : public vtkm::filter::FilterDataSetWithField<Streamline>
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{
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public:
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VTKM_CONT
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Streamline();
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VTKM_CONT
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void SetStepSize(vtkm::Float64 s) { this->StepSize = s; }
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VTKM_CONT
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void SetNumberOfSteps(vtkm::Id n) { this->NumberOfSteps = n; }
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VTKM_CONT
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void SetSeeds(vtkm::cont::ArrayHandle<vtkm::Vec<vtkm::FloatDefault, 3>>& seeds);
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template <typename T, typename StorageType, typename DerivedPolicy, typename DeviceAdapter>
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VTKM_CONT vtkm::cont::DataSet DoExecute(
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const vtkm::cont::DataSet& input,
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const vtkm::cont::ArrayHandle<vtkm::Vec<T, 3>, StorageType>& field,
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const vtkm::filter::FieldMetadata& fieldMeta,
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const vtkm::filter::PolicyBase<DerivedPolicy>& policy,
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const DeviceAdapter& tag);
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//Map a new field onto the resulting dataset after running the filter
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//this call is only valid
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template <typename T, typename StorageType, typename DerivedPolicy, typename DeviceAdapter>
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VTKM_CONT bool DoMapField(vtkm::cont::DataSet& result,
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const vtkm::cont::ArrayHandle<T, StorageType>& input,
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const vtkm::filter::FieldMetadata& fieldMeta,
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const vtkm::filter::PolicyBase<DerivedPolicy>& policy,
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const DeviceAdapter& tag);
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private:
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vtkm::worklet::Streamline Worklet;
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vtkm::Float64 StepSize;
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vtkm::Id NumberOfSteps;
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vtkm::cont::ArrayHandle<vtkm::Vec<vtkm::FloatDefault, 3>> Seeds;
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};
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template <>
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class FilterTraits<Streamline>
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{
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public:
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struct TypeListTagStreamline
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: vtkm::ListTagBase<vtkm::Vec<vtkm::Float32, 3>, vtkm::Vec<vtkm::Float64, 3>>
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{
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};
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using InputFieldTypeList = TypeListTagStreamline;
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};
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}
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} // namespace vtkm::filter
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#include <vtkm/filter/Streamline.hxx>
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#endif // vtk_m_filter_Streamline_h
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