mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-19 18:45:43 +00:00
113 lines
3.5 KiB
C++
113 lines
3.5 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 Sandia Corporation.
|
|
// Copyright 2014 UT-Battelle, LLC.
|
|
// Copyright 2014 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.
|
|
//============================================================================
|
|
#ifndef vtkm_m_worklet_Triangulate_h
|
|
#define vtkm_m_worklet_Triangulate_h
|
|
|
|
#include <vtkm/worklet/triangulate/TriangulateExplicit.h>
|
|
#include <vtkm/worklet/triangulate/TriangulateStructured.h>
|
|
|
|
namespace vtkm
|
|
{
|
|
namespace worklet
|
|
{
|
|
|
|
//
|
|
// Distribute multiple copies of cell data depending on cells create from original
|
|
//
|
|
struct DistributeCellData : public vtkm::worklet::WorkletMapField
|
|
{
|
|
typedef void ControlSignature(FieldIn<> inIndices, FieldOut<> outIndices);
|
|
typedef void ExecutionSignature(_1, _2);
|
|
|
|
typedef vtkm::worklet::ScatterCounting ScatterType;
|
|
|
|
VTKM_CONT
|
|
ScatterType GetScatter() const { return this->Scatter; }
|
|
|
|
template <typename CountArrayType, typename DeviceAdapter>
|
|
VTKM_CONT DistributeCellData(const CountArrayType& countArray, DeviceAdapter device)
|
|
: Scatter(countArray, device)
|
|
{
|
|
}
|
|
|
|
template <typename T>
|
|
VTKM_EXEC void operator()(T inputIndex, T& outputIndex) const
|
|
{
|
|
outputIndex = inputIndex;
|
|
}
|
|
|
|
private:
|
|
ScatterType Scatter;
|
|
};
|
|
|
|
class Triangulate
|
|
{
|
|
public:
|
|
Triangulate()
|
|
: OutCellsPerCell()
|
|
{
|
|
}
|
|
|
|
// Triangulate explicit data set, save number of triangulated cells per input
|
|
template <typename CellSetType, typename DeviceAdapter>
|
|
vtkm::cont::CellSetSingleType<> Run(const CellSetType& cellSet, const DeviceAdapter&)
|
|
{
|
|
TriangulateExplicit<DeviceAdapter> worklet;
|
|
return worklet.Run(cellSet, this->OutCellsPerCell);
|
|
}
|
|
|
|
// Triangulate structured data set, save number of triangulated cells per input
|
|
template <typename DeviceAdapter>
|
|
vtkm::cont::CellSetSingleType<> Run(const vtkm::cont::CellSetStructured<2>& cellSet,
|
|
const DeviceAdapter&)
|
|
{
|
|
TriangulateStructured<DeviceAdapter> worklet;
|
|
return worklet.Run(cellSet, this->OutCellsPerCell);
|
|
}
|
|
|
|
template <typename DeviceAdapter>
|
|
vtkm::cont::CellSetSingleType<> Run(const vtkm::cont::CellSetStructured<3>&, const DeviceAdapter&)
|
|
{
|
|
throw vtkm::cont::ErrorBadType("CellSetStructured<3> can't be triangulated");
|
|
}
|
|
|
|
// Using the saved input to output cells, expand cell data
|
|
template <typename ValueType, typename StorageType, typename DeviceAdapter>
|
|
vtkm::cont::ArrayHandle<ValueType> ProcessCellField(
|
|
const vtkm::cont::ArrayHandle<ValueType, StorageType>& input,
|
|
const DeviceAdapter& device) const
|
|
{
|
|
vtkm::cont::ArrayHandle<ValueType> output;
|
|
|
|
DistributeCellData distribute(this->OutCellsPerCell, device);
|
|
vtkm::worklet::DispatcherMapField<DistributeCellData, DeviceAdapter> dispatcher(distribute);
|
|
dispatcher.Invoke(input, output);
|
|
|
|
return output;
|
|
}
|
|
|
|
private:
|
|
vtkm::cont::ArrayHandle<vtkm::IdComponent> OutCellsPerCell;
|
|
};
|
|
}
|
|
} // namespace vtkm::worklet
|
|
|
|
#endif // vtkm_m_worklet_Triangulate_h
|