filter/scalar_topology/worklet/contourtree_augmented/meshtypes/freudenthal_2D/Types.h

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//  PURPOSE.  See the above copyright notice for more information.
//============================================================================
// Copyright (c) 2018, The Regents of the University of California, through
// Lawrence Berkeley National Laboratory (subject to receipt of any required approvals
// from the U.S. Dept. of Energy).  All rights reserved.
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//=============================================================================
//
//  This code is an extension of the algorithm presented in the paper:
//  Parallel Peak Pruning for Scalable SMP Contour Tree Computation.
//  Hamish Carr, Gunther Weber, Christopher Sewell, and James Ahrens.
//  Proceedings of the IEEE Symposium on Large Data Analysis and Visualization
//  (LDAV), October 2016, Baltimore, Maryland.
//
//  The PPP2 algorithm and software were jointly developed by
//  Hamish Carr (University of Leeds), Gunther H. Weber (LBNL), and
//  Oliver Ruebel (LBNL)
//==============================================================================
 
#ifndef vtk_m_worklet_contourtree_augmented_mesh_dem_triangulation_2D_freudenthal_types_h
#define vtk_m_worklet_contourtree_augmented_mesh_dem_triangulation_2D_freudenthal_types_h
 
#include <vtkm/Types.h>
#include <vtkm/cont/ArrayHandle.h>
 
 
namespace vtkm
{
namespace worklet
{
namespace contourtree_augmented
{
namespace m2d_freudenthal
{
using EdgeBoundaryDetectionMasksType = typename vtkm::cont::ArrayHandle<vtkm::Int8>;
 
static constexpr vtkm::Int32 N_INCIDENT_EDGES = 6;
 
static constexpr vtkm::Int8 LeftBit = 1 << 0;
static constexpr vtkm::Int8 RightBit = 1 << 1;
static constexpr vtkm::Int8 TopBit = 1 << 2;
static constexpr vtkm::Int8 BottomBit = 1 << 3;
 
static const vtkm::Int8 EdgeBoundaryDetectionMasks[N_INCIDENT_EDGES] = {
  RightBit, BottomBit | RightBit, BottomBit, LeftBit, LeftBit | TopBit, TopBit
};
 
} // mesh_dem_types_2d_freudenthal
} // contourtree_augmented
} // worklet
} // vtkm
 
#endif