VTK-m  2.0
TransferSaddleStartsResetEdgeFar.h
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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.
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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_active_graph_transfer_saddle_starts_reset_edge_far_h
54 #define vtk_m_worklet_contourtree_augmented_active_graph_transfer_saddle_starts_reset_edge_far_h
55 
58 
59 
60 namespace vtkm
61 {
62 namespace worklet
63 {
64 namespace contourtree_augmented
65 {
66 namespace active_graph_inc
67 {
68 
69 
70 // Worklet to update all of the edges so that the far end resets to the result of the ascent in the previous step
72 {
73 public:
74  typedef void ControlSignature(FieldIn activeEdges, // (input) active edges
75  WholeArrayIn hyperarcs, // (input) hyperarcs
76  WholeArrayInOut edgeFar); // (output) edge far
77  typedef void ExecutionSignature(_1, _2, _3);
78  using InputDomain = _1;
79 
80  // Default Constructor
83 
84  template <typename InOutFieldPortalType, typename InFieldPortalType>
85  VTKM_EXEC void operator()(const vtkm::Id& edgeId,
86  const InFieldPortalType& hyperarcsPortal,
87  const InOutFieldPortalType& edgeFarPortal) const
88  {
89  edgeFarPortal.Set(edgeId, MaskedIndex(hyperarcsPortal.Get(edgeFarPortal.Get(edgeId))));
90 
91  // In serial this worklet implements the following operation
92  //for (vtkm::Id edge = 0; edge < activeEdges.size(); edge++)
93  // { // per edge
94  // indexType edgeID = activeEdges[edge];
95  // edgeFar[edgeID] = MaskedIndex(hyperarcs[edgeFar[edgeID]]);
96  // } // per edge
97  }
98 
99 
100 }; // TransferSaddleStartsResetEdgeFar
101 
102 
103 } // namespace active_graph_inc
104 } // namespace contourtree_augmented
105 } // namespace worklet
106 } // namespace vtkm
107 
108 #endif
vtkm::worklet::contourtree_augmented::active_graph_inc::TransferSaddleStartsResetEdgeFar::TransferSaddleStartsResetEdgeFar
VTKM_EXEC_CONT TransferSaddleStartsResetEdgeFar()
Definition: TransferSaddleStartsResetEdgeFar.h:82
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::active_graph_inc::TransferSaddleStartsResetEdgeFar::InputDomain
_1 InputDomain
Definition: TransferSaddleStartsResetEdgeFar.h:78
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::active_graph_inc::TransferSaddleStartsResetEdgeFar::ExecutionSignature
void ExecutionSignature(_1, _2, _3)
Definition: TransferSaddleStartsResetEdgeFar.h:77
vtkm::worklet::contourtree_augmented::active_graph_inc::TransferSaddleStartsResetEdgeFar
Definition: TransferSaddleStartsResetEdgeFar.h:71
vtkm::worklet::WorkletMapField::FieldIn
A control signature tag for input fields.
Definition: WorkletMapField.h:49
Types.h
vtkm::worklet::contourtree_augmented::active_graph_inc::TransferSaddleStartsResetEdgeFar::operator()
VTKM_EXEC void operator()(const vtkm::Id &edgeId, const InFieldPortalType &hyperarcsPortal, const InOutFieldPortalType &edgeFarPortal) const
Definition: TransferSaddleStartsResetEdgeFar.h:85
vtkm::worklet::contourtree_augmented::active_graph_inc::TransferSaddleStartsResetEdgeFar::ControlSignature
void ControlSignature(FieldIn activeEdges, WholeArrayIn hyperarcs, WholeArrayInOut edgeFar)
Definition: TransferSaddleStartsResetEdgeFar.h:74
vtkm::worklet::WorkletMapField
Base class for worklets that do a simple mapping of field arrays.
Definition: WorkletMapField.h:38