volmesher_predefunpart.h

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#ifndef VOLMESHER_PREDEFUNPART_H
#define VOLMESHER_PREDEFUNPART_H
 
#include "../chi_volumemesher.h"
#include "mesh/UnpartitionedMesh/chi_unpartitioned_mesh.h"
 
//###################################################################
/**This volume mesher merely applies a partitioning of an
 * unpartitioned mesh.*/
class chi_mesh::VolumeMesherPredefinedUnpartitioned :
                            public chi_mesh::VolumeMesher
{
private:
  std::shared_ptr<const chi_mesh::UnpartitionedMesh> umesh_ptr_ = nullptr;
public:
  explicit
  VolumeMesherPredefinedUnpartitioned(
    std::shared_ptr<const chi_mesh::UnpartitionedMesh> in_umesh) :
    VolumeMesher(VolumeMesherType::UNPARTITIONED),
    umesh_ptr_(std::move(in_umesh)) {}
 
  void Execute() override;
 
  static
  bool CellHasLocalScope(
    const chi_mesh::UnpartitionedMesh::LightWeightCell& lwcell,
    uint64_t cell_global_id,
    const std::vector<std::set<uint64_t>>& vertex_subscriptions,
    const std::vector<int64_t>& cell_partition_ids);
 
  static
  std::vector<int64_t> KBA(const chi_mesh::UnpartitionedMesh& umesh);
 
  static
  std::vector<int64_t> PARMETIS(const UnpartitionedMesh &umesh);
 
  static std::unique_ptr<chi_mesh::Cell>
  MakeCell(
    const chi_mesh::UnpartitionedMesh::LightWeightCell& raw_cell,
    uint64_t global_id,
    uint64_t partition_id,
    const std::vector<chi_mesh::Vector3>& vertices);
};
#endif //VOLMESHER_PREDEFUNPART_H