177 lines
5.6 KiB
C++
177 lines
5.6 KiB
C++
//============================================================================
|
|
// Copyright (c) Kitware, Inc.
|
|
// All rights reserved.
|
|
// See LICENSE.txt for details.
|
|
// This software is distributed WITHOUT ANY WARRANTY; without even
|
|
// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
|
// PURPOSE. See the above copyright notice for more information.
|
|
//
|
|
// Copyright 2016 Sandia Corporation.
|
|
// Copyright 2016 UT-Battelle, LLC.
|
|
// Copyright 2016 Los Alamos National Security.
|
|
//
|
|
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
|
|
// the U.S. Government retains certain rights in this software.
|
|
//
|
|
// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
|
|
// Laboratory (LANL), the U.S. Government retains certain rights in
|
|
// this software.
|
|
//============================================================================
|
|
|
|
#include <vtkm/worklet/CellDeepCopy.h>
|
|
#include <vtkm/worklet/RemoveUnusedPoints.h>
|
|
|
|
#include <vector>
|
|
|
|
namespace vtkm
|
|
{
|
|
namespace filter
|
|
{
|
|
|
|
namespace detail
|
|
{
|
|
|
|
template <typename Device>
|
|
struct CleanCompactPointArrayFunctor
|
|
{
|
|
vtkm::cont::DataSet& OutDataSet;
|
|
std::string Name;
|
|
const vtkm::filter::CleanGrid* Self;
|
|
|
|
CleanCompactPointArrayFunctor(vtkm::cont::DataSet& outDataSet,
|
|
const std::string& name,
|
|
const vtkm::filter::CleanGrid* self)
|
|
: OutDataSet(outDataSet)
|
|
, Name(name)
|
|
, Self(self)
|
|
{
|
|
}
|
|
|
|
template <typename ArrayHandleType>
|
|
void operator()(const ArrayHandleType& coordSystemArray) const
|
|
{
|
|
VTKM_IS_ARRAY_HANDLE(ArrayHandleType);
|
|
|
|
vtkm::cont::ArrayHandle<typename ArrayHandleType::ValueType> outArray =
|
|
this->Self->MapPointField(coordSystemArray, Device());
|
|
this->OutDataSet.AddCoordinateSystem(vtkm::cont::CoordinateSystem(this->Name, outArray));
|
|
}
|
|
};
|
|
|
|
} // namespace detail
|
|
|
|
inline VTKM_CONT CleanGrid::CleanGrid()
|
|
: CompactPointFields(true)
|
|
{
|
|
}
|
|
|
|
template <typename Policy, typename Device>
|
|
inline VTKM_CONT vtkm::filter::ResultDataSet CleanGrid::DoExecute(
|
|
const vtkm::cont::DataSet& inData,
|
|
vtkm::filter::PolicyBase<Policy> policy,
|
|
Device)
|
|
{
|
|
VTKM_IS_DEVICE_ADAPTER_TAG(Device);
|
|
|
|
using CellSetType = vtkm::cont::CellSetExplicit<>;
|
|
using VecId = std::vector<CellSetType>::size_type;
|
|
|
|
VecId numCellSets = static_cast<VecId>(inData.GetNumberOfCellSets());
|
|
|
|
std::vector<CellSetType> outputCellSets(numCellSets);
|
|
|
|
// Do a deep copy of the cells to new CellSetExplicit structures
|
|
for (VecId cellSetIndex = 0; cellSetIndex < numCellSets; cellSetIndex++)
|
|
{
|
|
vtkm::cont::DynamicCellSet inCellSet =
|
|
inData.GetCellSet(static_cast<vtkm::IdComponent>(cellSetIndex));
|
|
|
|
vtkm::worklet::CellDeepCopy::Run(
|
|
vtkm::filter::ApplyPolicy(inCellSet, policy), outputCellSets[cellSetIndex], Device());
|
|
}
|
|
|
|
// Optionally adjust the cell set indices to remove all unused points
|
|
if (this->GetCompactPointFields())
|
|
{
|
|
this->PointCompactor.FindPointsStart(Device());
|
|
for (VecId cellSetIndex = 0; cellSetIndex < numCellSets; cellSetIndex++)
|
|
{
|
|
this->PointCompactor.FindPoints(outputCellSets[cellSetIndex], Device());
|
|
}
|
|
this->PointCompactor.FindPointsEnd(Device());
|
|
|
|
for (VecId cellSetIndex = 0; cellSetIndex < numCellSets; cellSetIndex++)
|
|
{
|
|
outputCellSets[cellSetIndex] =
|
|
this->PointCompactor.MapCellSet(outputCellSets[cellSetIndex], Device());
|
|
}
|
|
}
|
|
|
|
// Construct resulting data set with new cell sets
|
|
vtkm::cont::DataSet outData;
|
|
for (VecId cellSetIndex = 0; cellSetIndex < numCellSets; cellSetIndex++)
|
|
{
|
|
outData.AddCellSet(outputCellSets[cellSetIndex]);
|
|
}
|
|
|
|
// Pass the coordinate systems
|
|
// TODO: This is very awkward. First of all, there is no support for dealing
|
|
// with coordinate systems at all. That is fine if you are computing a new
|
|
// coordinate system, but a pain if you are deriving the coordinate system
|
|
// array. Second, why is it that coordinate systems are automtically mapped
|
|
// but other fields are not? Why shouldn't the Execute of a filter also set
|
|
// up all the fields of the output data set?
|
|
for (vtkm::IdComponent coordSystemIndex = 0;
|
|
coordSystemIndex < inData.GetNumberOfCoordinateSystems();
|
|
coordSystemIndex++)
|
|
{
|
|
vtkm::cont::CoordinateSystem coordSystem = inData.GetCoordinateSystem(coordSystemIndex);
|
|
|
|
if (this->GetCompactPointFields())
|
|
{
|
|
vtkm::filter::ApplyPolicy(coordSystem, policy, vtkm::filter::FilterTraits<CleanGrid>())
|
|
.CastAndCall(
|
|
detail::CleanCompactPointArrayFunctor<Device>(outData, coordSystem.GetName(), this));
|
|
}
|
|
else
|
|
{
|
|
outData.AddCoordinateSystem(coordSystem);
|
|
}
|
|
}
|
|
|
|
return outData;
|
|
}
|
|
|
|
template <typename ValueType, typename Storage, typename Policy, typename Device>
|
|
inline VTKM_CONT bool CleanGrid::DoMapField(
|
|
vtkm::filter::ResultDataSet& result,
|
|
const vtkm::cont::ArrayHandle<ValueType, Storage>& input,
|
|
const vtkm::filter::FieldMetadata& fieldMeta,
|
|
vtkm::filter::PolicyBase<Policy>,
|
|
Device)
|
|
{
|
|
if (this->GetCompactPointFields() && fieldMeta.IsPointField())
|
|
{
|
|
vtkm::cont::ArrayHandle<ValueType> compactedArray = this->MapPointField(input, Device());
|
|
result.GetDataSet().AddField(fieldMeta.AsField(compactedArray));
|
|
}
|
|
else
|
|
{
|
|
result.GetDataSet().AddField(fieldMeta.AsField(input));
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
template <typename ValueType, typename Storage, typename Device>
|
|
inline VTKM_CONT vtkm::cont::ArrayHandle<ValueType> CleanGrid::MapPointField(
|
|
const vtkm::cont::ArrayHandle<ValueType, Storage>& inArray,
|
|
Device) const
|
|
{
|
|
VTKM_ASSERT(this->GetCompactPointFields());
|
|
|
|
return this->PointCompactor.MapPointFieldDeep(inArray, Device());
|
|
}
|
|
}
|
|
}
|