OversampleOutput.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

// MOOSE includes
#include "AdvancedOutput.h"

class MooseMesh;

// libMesh forward declarations
namespace libMesh
{
template <typename T>
class NumericVector;
class MeshFunction;
}

class OversampleOutput : public AdvancedOutput
{
public:
  static InputParameters validParams();

  OversampleOutput(const InputParameters & parameters);

  virtual ~OversampleOutput();

  virtual void initialSetup() override;
  virtual void meshChanged() override;
  virtual void outputStep(const ExecFlagType & type) override;

protected:
  virtual void updateOversample();

  virtual void setFileBaseInternal(const std::string & file_base) override;

  const unsigned int _refinements;

  bool _oversample;

  bool _change_position;

private:
  void initOversample();

  void cloneMesh();

  std::vector<std::vector<std::unique_ptr<MeshFunction>>> _mesh_functions;

  Point _position;

  bool _oversample_mesh_changed;

  std::unique_ptr<EquationSystems> _oversample_es;
  std::unique_ptr<MooseMesh> _cloned_mesh_ptr;

  /* Each of the MeshFunctions keeps a reference to this vector, the vector is updated for the
   * current system
   * and variable before the MeshFunction is applied. This allows for the same MeshFunction object
   * to be
   * re-used, unless the mesh has changed due to adaptivity */
  std::unique_ptr<NumericVector<Number>> _serialized_solution;
};