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`.
143 lines
4.8 KiB
C++
143 lines
4.8 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 2016 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
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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-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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#include <vtkm/worklet/CellDeepCopy.h>
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#include <vtkm/worklet/RemoveUnusedPoints.h>
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#include <vector>
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namespace vtkm
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{
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namespace filter
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{
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inline VTKM_CONT CleanGrid::CleanGrid()
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: CompactPointFields(true)
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{
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}
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template <typename Policy, typename Device>
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inline VTKM_CONT vtkm::cont::DataSet CleanGrid::DoExecute(const vtkm::cont::DataSet& inData,
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vtkm::filter::PolicyBase<Policy> policy,
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Device)
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{
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VTKM_IS_DEVICE_ADAPTER_TAG(Device);
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using CellSetType = vtkm::cont::CellSetExplicit<>;
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using VecId = std::vector<CellSetType>::size_type;
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VecId numCellSets = static_cast<VecId>(inData.GetNumberOfCellSets());
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std::vector<CellSetType> outputCellSets(numCellSets);
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// Do a deep copy of the cells to new CellSetExplicit structures
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for (VecId cellSetIndex = 0; cellSetIndex < numCellSets; cellSetIndex++)
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{
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vtkm::cont::DynamicCellSet inCellSet =
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inData.GetCellSet(static_cast<vtkm::IdComponent>(cellSetIndex));
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vtkm::worklet::CellDeepCopy::Run(
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vtkm::filter::ApplyPolicy(inCellSet, policy), outputCellSets[cellSetIndex], Device());
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}
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// Optionally adjust the cell set indices to remove all unused points
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if (this->GetCompactPointFields())
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{
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this->PointCompactor.FindPointsStart(Device());
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for (VecId cellSetIndex = 0; cellSetIndex < numCellSets; cellSetIndex++)
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{
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this->PointCompactor.FindPoints(outputCellSets[cellSetIndex], Device());
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}
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this->PointCompactor.FindPointsEnd(Device());
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for (VecId cellSetIndex = 0; cellSetIndex < numCellSets; cellSetIndex++)
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{
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outputCellSets[cellSetIndex] =
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this->PointCompactor.MapCellSet(outputCellSets[cellSetIndex], Device());
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}
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}
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// Construct resulting data set with new cell sets
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vtkm::cont::DataSet outData;
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for (VecId cellSetIndex = 0; cellSetIndex < numCellSets; cellSetIndex++)
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{
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outData.AddCellSet(outputCellSets[cellSetIndex]);
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}
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// Pass the coordinate systems
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// TODO: This is very awkward. First of all, there is no support for dealing
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// with coordinate systems at all. That is fine if you are computing a new
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// coordinate system, but a pain if you are deriving the coordinate system
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// array. Second, why is it that coordinate systems are automtically mapped
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// but other fields are not? Why shouldn't the Execute of a filter also set
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// up all the fields of the output data set?
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for (vtkm::IdComponent coordSystemIndex = 0;
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coordSystemIndex < inData.GetNumberOfCoordinateSystems();
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coordSystemIndex++)
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{
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vtkm::cont::CoordinateSystem coordSystem = inData.GetCoordinateSystem(coordSystemIndex);
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if (this->GetCompactPointFields())
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{
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auto outArray = this->MapPointField(coordSystem.GetData(), Device());
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outData.AddCoordinateSystem(vtkm::cont::CoordinateSystem(coordSystem.GetName(), outArray));
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}
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else
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{
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outData.AddCoordinateSystem(coordSystem);
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}
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}
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return outData;
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}
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template <typename ValueType, typename Storage, typename Policy, typename Device>
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inline VTKM_CONT bool CleanGrid::DoMapField(
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vtkm::cont::DataSet& 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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{
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if (this->GetCompactPointFields() && fieldMeta.IsPointField())
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{
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vtkm::cont::ArrayHandle<ValueType> compactedArray = this->MapPointField(input, Device());
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result.AddField(fieldMeta.AsField(compactedArray));
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}
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else
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{
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result.AddField(fieldMeta.AsField(input));
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}
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return true;
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}
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template <typename ValueType, typename Storage, typename Device>
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inline VTKM_CONT vtkm::cont::ArrayHandle<ValueType> CleanGrid::MapPointField(
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const vtkm::cont::ArrayHandle<ValueType, Storage>& inArray,
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Device) const
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{
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VTKM_ASSERT(this->GetCompactPointFields());
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return this->PointCompactor.MapPointFieldDeep(inArray, Device());
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}
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}
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}
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