NearestPointReceiver.h

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#pragma once

#include "GeneralUserObject.h"

#include "libmesh/point.h"

class NearestPointReceiver : public GeneralUserObject
{
public:
  NearestPointReceiver(const InputParameters & parameters);
  static InputParameters validParams();

  virtual ~NearestPointReceiver();

  virtual void initialize() override {}
  virtual void execute() override;
  virtual void finalize() override {}

  virtual Real spatialValue(const Point & p) const override;

  const std::vector<Point> & positions() { return _positions; }

  void setValues(const std::vector<Real> & values);

protected:
  unsigned int nearestPosition(const Point & p) const;

  const std::vector<Point> & _positions;

  std::vector<Real> _data;
};