vtk-m/vtkm/filter/field_conversion/PointAverage.cxx
2022-08-29 14:42:02 -04:00

63 lines
2.1 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.
//============================================================================
#include <vtkm/cont/CellSetExtrude.h>
#include <vtkm/cont/ErrorFilterExecution.h>
#include <vtkm/cont/UncertainCellSet.h>
#include <vtkm/cont/UnknownCellSet.h>
#include <vtkm/filter/field_conversion/PointAverage.h>
#include <vtkm/filter/field_conversion/worklet/PointAverage.h>
namespace vtkm
{
namespace filter
{
namespace field_conversion
{
vtkm::cont::DataSet PointAverage::DoExecute(const vtkm::cont::DataSet& input)
{
const auto& field = GetFieldFromDataSet(input);
if (!field.IsCellField())
{
throw vtkm::cont::ErrorFilterExecution("Cell field expected.");
}
vtkm::cont::UnknownCellSet cellSet = input.GetCellSet();
vtkm::cont::UnknownArrayHandle outArray;
auto resolveType = [&](const auto& concrete) {
using T = typename std::decay_t<decltype(concrete)>::ValueType;
using SupportedCellSets =
vtkm::ListAppend<vtkm::List<vtkm::cont::CellSetExtrude>, VTKM_DEFAULT_CELL_SET_LIST>;
vtkm::cont::ArrayHandle<T> result;
this->Invoke(vtkm::worklet::PointAverage{},
cellSet.ResetCellSetList<SupportedCellSets>(),
concrete,
result);
outArray = result;
};
// TODO: Do we need to deal with XCG storage type explicitly?
// using AdditionalFieldStorage = vtkm::List<vtkm::cont::StorageTagXGCCoordinates>;
field.GetData()
.CastAndCallForTypesWithFloatFallback<vtkm::TypeListField, VTKM_DEFAULT_STORAGE_LIST>(
resolveType);
std::string outputName = this->GetOutputFieldName();
if (outputName.empty())
{
// Default name is name of input.
outputName = field.GetName();
}
return this->CreateResultFieldPoint(input, outputName, outArray);
}
}
}
}