0af0271f59
This revamps Filter API to improve support for multiblock dataset and distributed use-cases. Filters now operate on MultiBlock alone thus `Filter::Execute(MultiBlock&)` is the primary method. `Filter::Execute(DataSet*)` is only provided as an convenience that internally puts the dataset into a MultiBlock and calls the primary method. Subclasses can provides PreExecute and PostExecute overrides to handle init/reduction operations for filters with operating on multiple blocks. Since blocks can be distributed, filters are expected to handle that as well. Subclasses can provide `PrepareForExecution(MultiBlock*..)` to customize behavior for handling multiblock inputs. Default is to simply loop over blocks.
91 lines
2.8 KiB
C++
91 lines
2.8 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_DataSetFilter_h
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#define vtk_m_filter_DataSetFilter_h
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#include <vtkm/cont/CoordinateSystem.h>
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#include <vtkm/cont/DataSet.h>
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#include <vtkm/cont/DynamicCellSet.h>
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#include <vtkm/cont/Field.h>
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#include <vtkm/cont/MultiBlock.h>
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#include <vtkm/cont/RuntimeDeviceTracker.h>
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#include <vtkm/filter/Filter.h>
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#include <vtkm/filter/PolicyBase.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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template <class Derived>
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class FilterDataSet : public vtkm::filter::Filter<Derived>
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{
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public:
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VTKM_CONT
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FilterDataSet();
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VTKM_CONT
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~FilterDataSet();
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VTKM_CONT
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void SetActiveCellSetIndex(vtkm::Id index) { this->CellSetIndex = index; }
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VTKM_CONT
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vtkm::Id GetActiveCellSetIndex() const { return this->CellSetIndex; }
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VTKM_CONT
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void SetActiveCoordinateSystem(vtkm::Id index) { this->CoordinateSystemIndex = index; }
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VTKM_CONT
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vtkm::Id GetActiveCoordinateSystemIndex() const { return this->CoordinateSystemIndex; }
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/// These are provided to satisfy the Filter API requirements.
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//From the field we can extract the association component
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// ASSOC_ANY -> unable to map
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// ASSOC_WHOLE_MESH -> (I think this is points)
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// ASSOC_POINTS -> map using point mapping
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// ASSOC_CELL_SET -> how do we map this?
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// ASSOC_LOGICAL_DIM -> unable to map?
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template <typename DerivedPolicy>
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VTKM_CONT bool MapFieldOntoOutput(vtkm::cont::DataSet& result,
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const vtkm::cont::Field& field,
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const vtkm::filter::PolicyBase<DerivedPolicy>& policy);
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template <typename DerivedPolicy>
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VTKM_CONT vtkm::cont::DataSet PrepareForExecution(
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const vtkm::cont::DataSet& input,
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const vtkm::filter::PolicyBase<DerivedPolicy>& policy);
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private:
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vtkm::Id CellSetIndex;
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vtkm::Id CoordinateSystemIndex;
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friend class vtkm::filter::Filter<Derived>;
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};
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}
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} // namespace vtkm::filter
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#include <vtkm/filter/FilterDataSet.hxx>
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#endif // vtk_m_filter_DataSetFilter_h
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