SelectTopVolumeBranchesFilter.h

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#ifndef vtk_m_filter_scalar_topology_SelectTopVolumeBranchesFilter_h
#define vtk_m_filter_scalar_topology_SelectTopVolumeBranchesFilter_h
 
#include <vtkm/filter/Filter.h>
#include <vtkm/filter/scalar_topology/vtkm_filter_scalar_topology_export.h>
 
namespace vtkm
{
namespace filter
{
namespace scalar_topology
{
 
class VTKM_FILTER_SCALAR_TOPOLOGY_EXPORT SelectTopVolumeBranchesFilter : public vtkm::filter::Filter
{
public:
  VTKM_CONT SelectTopVolumeBranchesFilter() = default;
 
  VTKM_CONT void SetSavedBranches(const vtkm::Id& numBranches)
  {
    this->NumSavedBranches = numBranches;
  }
 
  VTKM_CONT void SetPresimplifyThreshold(const vtkm::Id& presimpThres)
  {
    this->PresimplifyThreshold = presimpThres;
  }
 
  VTKM_CONT vtkm::Id GetSavedBranches() { return this->NumSavedBranches; }
  VTKM_CONT vtkm::Id GetPresimplifyThreshold() { return this->PresimplifyThreshold; }
  VTKM_CONT vtkm::cont::LogLevel GetTimingsLogLevel() { return this->TimingsLogLevel; }
 
private:
  VTKM_CONT vtkm::cont::DataSet DoExecute(const vtkm::cont::DataSet&) override;
  VTKM_CONT vtkm::cont::PartitionedDataSet DoExecutePartitions(
    const vtkm::cont::PartitionedDataSet& inData) override;
 
  vtkm::Id NumSavedBranches = 1;
  vtkm::Id PresimplifyThreshold = 0;
  vtkm::cont::ArrayHandle<vtkm::Id> BranchVolume;
  vtkm::cont::ArrayHandle<vtkm::Id> BranchSaddleEpsilon;
  vtkm::cont::ArrayHandle<vtkm::Id> SortedBranchByVolume;
  vtkm::cont::UnknownArrayHandle BranchSaddleIsoValue;
 
  // the parent branch for top volume branches
  // we only care about the parent branch for top volume branches at the moment
  // as a result, the index stored in this array follows the descending order of branch volumes
  vtkm::cont::ArrayHandle<vtkm::Id> TopVolBranchParent;
 
  vtkm::cont::LogLevel TimingsLogLevel = vtkm::cont::LogLevel::Perf;
};
 
} // namespace scalar_topology
} // namespace worklet
} // namespace vtkm
 
#endif