vtk-m/vtkm/filter/ImageConnectivity.hxx
2019-03-20 11:58:22 -06:00

48 lines
1.7 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 2014 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
// Copyright 2014 UT-Battelle, LLC.
// Copyright 2014 Los Alamos National Security.
//
// Under the terms of Contract DE-NA0003525 with NTESS,
// 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/filter/internal/CreateResult.h>
#include <vtkm/worklet/DispatcherMapField.h>
namespace vtkm
{
namespace filter
{
template <typename T, typename StorageType, typename DerivedPolicy>
inline VTKM_CONT vtkm::cont::DataSet ImageConnectivity::DoExecute(
const vtkm::cont::DataSet& input,
const vtkm::cont::ArrayHandle<T, StorageType>& field,
const vtkm::filter::FieldMetadata& fieldMetadata,
const vtkm::filter::PolicyBase<DerivedPolicy>& policy)
{
vtkm::cont::ArrayHandle<vtkm::Id> component;
// TODO: is there such thing as Active CellSet?
vtkm::worklet::connectivity::ImageConnectivity().Run(
vtkm::filter::ApplyPolicy(input.GetCellSet(0), policy), field, component);
auto result = internal::CreateResult(
input, component, "component", fieldMetadata.GetAssociation(), fieldMetadata.GetCellSetName());
return result;
}
}
}