FauxGrainTracker.h

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//* This file is part of the MOOSE framework
//* https://www.mooseframework.org
//*
//* 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

#include "FeatureFloodCount.h"
#include "GrainTrackerInterface.h"

class FauxGrainTracker : public FeatureFloodCount, public GrainTrackerInterface
{
public:
  static InputParameters validParams();

  FauxGrainTracker(const InputParameters & parameters);
  virtual ~FauxGrainTracker();

  virtual void initialize() override;
  virtual void finalize() override;
  virtual Real getValue() const override;
  virtual void execute() override;

  // GrainTrackerInterface methods
  virtual Real getEntityValue(dof_id_type entity_id,
                              FeatureFloodCount::FieldType field_type,
                              std::size_t var_idx) const override;
  virtual const std::vector<unsigned int> &
  getVarToFeatureVector(dof_id_type elem_id) const override;
  virtual unsigned int getFeatureVar(unsigned int feature_id) const override;
  virtual std::size_t getNumberActiveGrains() const override;
  virtual std::size_t getTotalFeatureCount() const override;
  virtual Point getGrainCentroid(unsigned int grain_id) const override;
  virtual bool doesFeatureIntersectBoundary(unsigned int feature_id) const override;

private:
  std::map<dof_id_type, unsigned int> _entity_id_to_var_num;

  std::map<dof_id_type, std::vector<unsigned int>> _entity_var_to_features;
  std::vector<unsigned int> _empty_var_to_features;

  std::set<unsigned int> _variables_used;

  std::size_t _grain_count;

  // Convenience variable holding the number of variables coupled into this object
  const std::size_t _n_vars;

  const int _tracking_step;

  std::vector<unsigned int> _op_to_grains;

  std::map<unsigned int, Real> _volume;

  std::map<unsigned int, unsigned int> _vol_count;

  std::map<unsigned int, Point> _centroid;
};