VTK-m  2.0
ReplaceArcNumWithToVertexWorklet.h
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50 //=============================================================================
51 //
52 // This code is an extension of the algorithm presented in the paper:
53 // Parallel Peak Pruning for Scalable SMP Contour Tree Computation.
54 // Hamish Carr, Gunther Weber, Christopher Sewell, and James Ahrens.
55 // Proceedings of the IEEE Symposium on Large Data Analysis and Visualization
56 // (LDAV), October 2016, Baltimore, Maryland.
57 //
58 // The PPP2 algorithm and software were jointly developed by
59 // Hamish Carr (University of Leeds), Gunther H. Weber (LBNL), and
60 // Oliver Ruebel (LBNL)
61 //==============================================================================
62 
63 #ifndef vtk_m_worklet_contourtree_augmented_contourtree_mesh_inc_replace_arc_num_with_to_vertex_worklet_h
64 #define vtk_m_worklet_contourtree_augmented_contourtree_mesh_inc_replace_arc_num_with_to_vertex_worklet_h
65 
68 
69 namespace vtkm
70 {
71 namespace worklet
72 {
73 namespace contourtree_augmented
74 {
75 namespace mesh_dem_contourtree_mesh_inc
76 {
77 
78 
80 {
81 public:
82  typedef void ControlSignature(FieldInOut neighbours, // (input) neighbours
83  WholeArrayIn arcs); // (input) arcs
84  typedef void ExecutionSignature(_1, _2);
85  typedef _1 InputDomain;
86 
87  // Default Constructor
90 
91  template <typename InFieldPortalType>
92  VTKM_EXEC void operator()(vtkm::Id& neighboursVal, const InFieldPortalType& arcsPortal) const
93  {
94  neighboursVal =
95  (neighboursVal % 2 == 0) ? MaskedIndex(arcsPortal.Get(neighboursVal / 2)) : neighboursVal / 2;
96  // In serial this worklet implements
97  // for (indexVector::size_type sortedArcNo = 0; sortedArcNo < neighbours.size(); ++sortedArcNo)
98  // {
99  // neighbours[sortedArcNo] = (neighbours[sortedArcNo] % 2 == 0) ? MaskedIndex(arcs[neighbours[sortedArcNo]/2]) : neighbours[sortedArcNo]/2;
100  // }
101  }
102 
103 
104 }; // ComputeMaxNeighboursWorklet
105 
106 
107 } // namespace mesh_dem_contourtree_mesh_inc
108 } // namespace contourtree_augmented
109 } // namespace worklet
110 } // namespace vtkm
111 
112 #endif
vtkm::worklet::contourtree_augmented::mesh_dem_contourtree_mesh_inc::ReplaceArcNumWithToVertexWorklet::ReplaceArcNumWithToVertexWorklet
VTKM_EXEC_CONT ReplaceArcNumWithToVertexWorklet()
Definition: ReplaceArcNumWithToVertexWorklet.h:89
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_dem_contourtree_mesh_inc::ReplaceArcNumWithToVertexWorklet::ExecutionSignature
void ExecutionSignature(_1, _2)
Definition: ReplaceArcNumWithToVertexWorklet.h:84
vtkm::worklet::contourtree_augmented::mesh_dem_contourtree_mesh_inc::ReplaceArcNumWithToVertexWorklet::ControlSignature
void ControlSignature(FieldInOut neighbours, WholeArrayIn arcs)
Definition: ReplaceArcNumWithToVertexWorklet.h:82
vtkm::worklet::contourtree_augmented::MaskedIndex
VTKM_EXEC_CONT vtkm::Id MaskedIndex(vtkm::Id flaggedIndex)
Definition: filter/scalar_topology/worklet/contourtree_augmented/Types.h:127
vtkm::Id
vtkm::Int32 Id
Represents an ID (index into arrays).
Definition: Types.h:191
vtkm::worklet::contourtree_augmented::mesh_dem_contourtree_mesh_inc::ReplaceArcNumWithToVertexWorklet::InputDomain
_1 InputDomain
Definition: ReplaceArcNumWithToVertexWorklet.h:85
Types.h
vtkm::worklet::WorkletMapField::FieldInOut
A control signature tag for input-output (in-place) fields.
Definition: WorkletMapField.h:71
vtkm::worklet::contourtree_augmented::mesh_dem_contourtree_mesh_inc::ReplaceArcNumWithToVertexWorklet::operator()
VTKM_EXEC void operator()(vtkm::Id &neighboursVal, const InFieldPortalType &arcsPortal) const
Definition: ReplaceArcNumWithToVertexWorklet.h:92
vtkm::worklet::contourtree_augmented::mesh_dem_contourtree_mesh_inc::ReplaceArcNumWithToVertexWorklet
Definition: ReplaceArcNumWithToVertexWorklet.h:79
vtkm::worklet::WorkletMapField
Base class for worklets that do a simple mapping of field arrays.
Definition: WorkletMapField.h:38