mirror of
https://gitlab.kitware.com/vtk/vtk-m
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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.
84 lines
3.0 KiB
C++
84 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 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_ClipWithField_h
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#define vtk_m_filter_ClipWithField_h
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#include <vtkm/filter/FilterDataSetWithField.h>
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#include <vtkm/worklet/Clip.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 Clip a dataset using a field
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///
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/// Clip a dataset using a given field value. All points that are less than that
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/// value are considered outside, and will be discarded. All points that are greater
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/// are kept.
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/// The resulting geometry will not be water tight.
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class ClipWithField : public vtkm::filter::FilterDataSetWithField<ClipWithField>
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{
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public:
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VTKM_CONT
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ClipWithField();
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VTKM_CONT
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void SetClipValue(vtkm::Float64 value) { this->ClipValue = value; }
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VTKM_CONT
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void SetInvertClip(bool invert) { this->Invert = invert; }
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VTKM_CONT
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vtkm::Float64 GetClipValue() const { return this->ClipValue; }
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template <typename T, typename StorageType, typename DerivedPolicy>
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VTKM_CONT vtkm::cont::DataSet DoExecute(const vtkm::cont::DataSet& input,
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const vtkm::cont::ArrayHandle<T, StorageType>& field,
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const vtkm::filter::FieldMetadata& fieldMeta,
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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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//This call is only valid after Execute has been called.
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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::Float64 ClipValue;
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vtkm::worklet::Clip Worklet;
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bool Invert;
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};
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template <>
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class FilterTraits<ClipWithField>
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{ //currently the Clip filter only works on scalar data.
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public:
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using InputFieldTypeList = TypeListTagScalarAll;
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};
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}
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} // namespace vtkm::filter
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#include <vtkm/filter/ClipWithField.hxx>
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#endif // vtk_m_filter_ClipWithField_h
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