mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-19 18:45:43 +00:00
bddad9b386
Now that the dispatcher does its own TryExecute, filters do not need to do that. This change requires all worklets called by filters to be able to execute without knowing the device a priori.
76 lines
2.6 KiB
C++
76 lines
2.6 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 2014 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
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// Copyright 2014 UT-Battelle, LLC.
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// Copyright 2014 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_MaskPoints_h
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#define vtk_m_filter_MaskPoints_h
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#include <vtkm/filter/CleanGrid.h>
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#include <vtkm/filter/FilterDataSet.h>
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#include <vtkm/worklet/MaskPoints.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 Subselect points using a stride
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///
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/// Extract only every Nth point where N is equal to a stride value
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class MaskPoints : public vtkm::filter::FilterDataSet<MaskPoints>
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{
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public:
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VTKM_CONT
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MaskPoints();
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// When CompactPoints is set, instead of copying the points and point fields
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// from the input, the filter will create new compact fields without the unused elements
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VTKM_CONT
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bool GetCompactPoints() const { return this->CompactPoints; }
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VTKM_CONT
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void SetCompactPoints(bool value) { this->CompactPoints = value; }
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VTKM_CONT
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vtkm::Id GetStride() const { return this->Stride; }
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VTKM_CONT
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void SetStride(vtkm::Id stride) { this->Stride = stride; }
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template <typename DerivedPolicy>
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VTKM_CONT vtkm::cont::DataSet DoExecute(const vtkm::cont::DataSet& input,
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vtkm::filter::PolicyBase<DerivedPolicy> policy);
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//Map a new field onto the resulting dataset after running the filter
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template <typename T, typename StorageType, typename DerivedPolicy>
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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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vtkm::filter::PolicyBase<DerivedPolicy> policy);
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private:
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vtkm::Id Stride;
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bool CompactPoints;
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vtkm::filter::CleanGrid Compactor;
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};
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}
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} // namespace vtkm::filter
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#include <vtkm/filter/MaskPoints.hxx>
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#endif // vtk_m_filter_MaskPoints_h
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