VTK-m  2.0
SetStarts.h
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40 //=============================================================================
41 //
42 // This code is an extension of the algorithm presented in the paper:
43 // Parallel Peak Pruning for Scalable SMP Contour Tree Computation.
44 // Hamish Carr, Gunther Weber, Christopher Sewell, and James Ahrens.
45 // Proceedings of the IEEE Symposium on Large Data Analysis and Visualization
46 // (LDAV), October 2016, Baltimore, Maryland.
47 //
48 // The PPP2 algorithm and software were jointly developed by
49 // Hamish Carr (University of Leeds), Gunther H. Weber (LBNL), and
50 // Oliver Ruebel (LBNL)
51 //==============================================================================
52 
53 #ifndef vtk_m_worklet_contourtree_augmented_mesh_extrema_inc_set_starts_h
54 #define vtk_m_worklet_contourtree_augmented_mesh_extrema_inc_set_starts_h
55 
57 
58 namespace vtkm
59 {
60 namespace worklet
61 {
62 namespace contourtree_augmented
63 {
64 namespace mesh_extrema_inc
65 {
66 
67 
68 // Worklet for computing the sort indices from the sort order
70 {
71 public:
72  typedef void ControlSignature(
73  FieldIn sortIndices, // (input) index into active vertices
74  ExecObject meshStructure, // (input) execution object with the mesh structure
75  WholeArrayOut meshExtema); // (output) whether critical
76  typedef void ExecutionSignature(_1, _2, _3);
77  using InputDomain = _1;
78 
79  // Constructor
81  SetStarts() {}
82 
83  template <typename MeshStructureType, typename OutFieldPortalType>
84  VTKM_EXEC void operator()(const vtkm::Id& sortIndex,
85  const MeshStructureType& meshStructure,
86  const OutFieldPortalType& meshExtrema) const
87  {
88  meshExtrema.Set(sortIndex, meshStructure.GetExtremalNeighbour(sortIndex));
89 
90  // In serial this does
91  // for (indexType sortIndex = 0; sortIndex < mesh.sortIndices.size(); sortIndex++)
92  // { // per vertex
93  // extrema[sortIndex] = mesh.GetExtremalNeighbour(sortIndex, isMaximal);
94  // } // per vertex
95  }
96 }; // Mesh2D_DEM_VertexStarter
97 
98 
99 } // namespace mesh_dem_triangulation_worklets
100 } // namespace contourtree_augmented
101 } // namespace worklet
102 } // namespace vtkm
103 
104 #endif
vtkm::worklet::contourtree_augmented::mesh_extrema_inc::SetStarts::SetStarts
VTKM_EXEC_CONT SetStarts()
Definition: SetStarts.h:81
VTKM_EXEC
#define VTKM_EXEC
Definition: ExportMacros.h:51
vtkm
Groups connected points that have the same field value.
Definition: Atomic.h:19
WorkletMapField.h
VTKM_EXEC_CONT
#define VTKM_EXEC_CONT
Definition: ExportMacros.h:52
vtkm::worklet::contourtree_augmented::mesh_extrema_inc::SetStarts::operator()
VTKM_EXEC void operator()(const vtkm::Id &sortIndex, const MeshStructureType &meshStructure, const OutFieldPortalType &meshExtrema) const
Definition: SetStarts.h:84
vtkm::Id
vtkm::Int32 Id
Represents an ID (index into arrays).
Definition: Types.h:191
vtkm::worklet::WorkletMapField::FieldIn
A control signature tag for input fields.
Definition: WorkletMapField.h:49
vtkm::worklet::contourtree_augmented::mesh_extrema_inc::SetStarts::ControlSignature
void ControlSignature(FieldIn sortIndices, ExecObject meshStructure, WholeArrayOut meshExtema)
Definition: SetStarts.h:72
vtkm::worklet::contourtree_augmented::mesh_extrema_inc::SetStarts::InputDomain
_1 InputDomain
Definition: SetStarts.h:77
vtkm::worklet::contourtree_augmented::mesh_extrema_inc::SetStarts
Definition: SetStarts.h:69
vtkm::worklet::contourtree_augmented::mesh_extrema_inc::SetStarts::ExecutionSignature
void ExecutionSignature(_1, _2, _3)
Definition: SetStarts.h:76
vtkm::worklet::WorkletMapField
Base class for worklets that do a simple mapping of field arrays.
Definition: WorkletMapField.h:38