VTK-m  2.0
SubrangeOffset.h
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50 
51 // This code is based on the algorithm presented in the paper:
52 // “Parallel Peak Pruning for Scalable SMP Contour Tree Computation.”
53 // Hamish Carr, Gunther Weber, Christopher Sewell, and James Ahrens.
54 // Proceedings of the IEEE Symposium on Large Data Analysis and Visualization
55 // (LDAV), October 2016, Baltimore, Maryland.
56 
57 #ifndef vtkm_worklet_contourtree_subrange_offset_h
58 #define vtkm_worklet_contourtree_subrange_offset_h
59 
61 
62 namespace vtkm
63 {
64 namespace worklet
65 {
66 namespace contourtree
67 {
68 
69 // Worklet for doing regular to candidate
71 {
72 public:
73  using ControlSignature = void(FieldIn sortID, // (input) index into sorted vertices
74  WholeArrayIn sortVector, // (input) sorted vector of vertices
75  WholeArrayOut candidate); // (output) candidate
76  using ExecutionSignature = void(_1, _2, _3);
77  using InputDomain = _1;
78 
79  // Constructor
82 
83  template <typename InFieldPortalType, typename OutFieldPortalType>
84  VTKM_EXEC void operator()(const vtkm::Id& sortID,
85  const InFieldPortalType& sortVector,
86  const OutFieldPortalType& candidate) const
87  {
88  if (sortVector.Get(sortID) != sortVector.Get(sortID - 1))
89  candidate.Set(sortVector.Get(sortID), sortID);
90  }
91 }; // SubrangeOffset
92 }
93 }
94 }
95 
96 #endif
VTKM_EXEC
#define VTKM_EXEC
Definition: ExportMacros.h:51
vtkm
Groups connected points that have the same field value.
Definition: Atomic.h:19
vtkm::worklet::contourtree::SubrangeOffset::SubrangeOffset
VTKM_EXEC_CONT SubrangeOffset()
Definition: SubrangeOffset.h:81
vtkm::worklet::contourtree::SubrangeOffset::InputDomain
_1 InputDomain
Definition: SubrangeOffset.h:77
WorkletMapField.h
VTKM_EXEC_CONT
#define VTKM_EXEC_CONT
Definition: ExportMacros.h:52
vtkm::worklet::contourtree::SubrangeOffset::operator()
VTKM_EXEC void operator()(const vtkm::Id &sortID, const InFieldPortalType &sortVector, const OutFieldPortalType &candidate) const
Definition: SubrangeOffset.h:84
vtkm::Id
vtkm::Int32 Id
Represents an ID (index into arrays).
Definition: Types.h:191
vtkm::worklet::contourtree::SubrangeOffset::ExecutionSignature
void(_1, _2, _3) ExecutionSignature
Definition: SubrangeOffset.h:76
vtkm::worklet::WorkletMapField::FieldIn
A control signature tag for input fields.
Definition: WorkletMapField.h:49
vtkm::worklet::contourtree::SubrangeOffset::ControlSignature
void(FieldIn sortID, WholeArrayIn sortVector, WholeArrayOut candidate) ControlSignature
Definition: SubrangeOffset.h:75
vtkm::worklet::contourtree::SubrangeOffset
Definition: SubrangeOffset.h:70
vtkm::worklet::WorkletMapField
Base class for worklets that do a simple mapping of field arrays.
Definition: WorkletMapField.h:38