ElementGroupCentroidPositions.h

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//* This file is part of the MOOSE framework
//* https://mooseframework.inl.gov
//*
//* All rights reserved, see COPYRIGHT for full restrictions
//* https://github.com/idaholab/moose/blob/master/COPYRIGHT
//*
//* Licensed under LGPL 2.1, please see LICENSE for details
//* https://www.gnu.org/licenses/lgpl-2.1.html

#pragma once

// Moose includes
#include "Positions.h"
#include "BlockRestrictable.h"

class ElementGroupCentroidPositions : public Positions, public BlockRestrictable
{
public:
  static InputParameters validParams();
  ElementGroupCentroidPositions(const InputParameters & parameters);
  virtual ~ElementGroupCentroidPositions() = default;

  void initialize() override;

  MooseMesh & _mesh;

  static MooseEnum groupTypeEnum()
  {
    return MooseEnum("block extra_id block_and_extra_id", "block");
  }
  MooseEnum _group_type;

  bool _blocks_in_use;

  std::vector<ExtraElementIDName> _extra_id_names;
  std::vector<unsigned int> _extra_id_indices;
  std::vector<std::vector<unsigned int>> _extra_id_group_indices;

private:
  unsigned int id(const Elem & elem, unsigned int id_index, bool use_subdomains);
};