mirror of
https://gitlab.kitware.com/vtk/vtk-m
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97 lines
3.1 KiB
C++
97 lines
3.1 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 2016 Sandia Corporation.
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// Copyright 2016 UT-Battelle, LLC.
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// Copyright 2016 Los Alamos National Security.
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//
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// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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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_CleanGrid_h
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#define vtk_m_filter_CleanGrid_h
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#include <vtkm/filter/FilterDataSet.h>
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#include <vtkm/worklet/RemoveUnusedPoints.h>
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namespace vtkm {
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namespace filter {
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/// \brief Clean a mesh to an unstructured grid
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///
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/// This filter takes a data set and essentially copies it into a new data set.
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/// The newly constructed data set will have the same cells as the input and
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/// the topology will be stored in a \c CellSetExplicit<>. The filter will also
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/// optionally remove all unused points.
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///
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/// Note that the result of \c CleanGrid is not necessarily smaller than the
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/// input. For example, "cleaning" a data set with a \c CellSetStructured
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/// topology will actually result in a much larger data set.
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///
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/// \todo Add a feature to merge points that are coincident or within a
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/// tolerance.
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///
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class CleanGrid : public vtkm::filter::FilterDataSet<CleanGrid>
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{
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public:
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VTKM_CONT
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CleanGrid();
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/// When the CompactPointFields flag is true, the filter will identify any
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/// points that are not used by the topology. This is on by default.
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///
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VTKM_CONT
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bool GetCompactPointFields() const { return this->CompactPointFields; }
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VTKM_CONT
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void SetCompactPointFields(bool flag)
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{
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this->CompactPointFields = flag;
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}
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template<typename Policy, typename Device>
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VTKM_CONT
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vtkm::filter::ResultDataSet
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DoExecute(const vtkm::cont::DataSet &inData,
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vtkm::filter::PolicyBase<Policy>,
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Device);
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template<typename ValueType,
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typename Storage,
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typename Policy,
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typename Device>
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VTKM_CONT
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bool DoMapField(vtkm::filter::ResultDataSet& result,
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const vtkm::cont::ArrayHandle<ValueType, Storage>& input,
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const vtkm::filter::FieldMetadata& fieldMeta,
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vtkm::filter::PolicyBase<Policy>,
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Device);
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template<typename ValueType, typename Storage, typename Device>
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VTKM_CONT
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vtkm::cont::ArrayHandle<ValueType>
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CompactPointArray(
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const vtkm::cont::ArrayHandle<ValueType,Storage> &inArray, Device) const;
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private:
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bool CompactPointFields;
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vtkm::worklet::RemoveUnusedPoints PointCompactor;
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};
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}
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} // namespace vtkm::filter
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#include <vtkm/filter/CleanGrid.hxx>
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#endif //vtk_m_filter_CleanGrid_h
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