LineValueSampler.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 "SpatialUserObjectFunctor.h"
#include "PointVariableSamplerBase.h"

class LineValueSampler : public SpatialUserObjectFunctor<PointVariableSamplerBase>
{
public:
  static InputParameters validParams();

  LineValueSampler(const InputParameters & parameters);

  static void generatePointsAndIDs(const Point & start_point,
                                   const Point & end_point,
                                   unsigned int num_points,
                                   std::vector<Point> & points,
                                   std::vector<Real> & ids);

  virtual Real spatialValue(const Point & p) const override { return getValue(p); }

  Real getValue(const Point & p) const;

protected:
  const Point _start_point;
  const Point _end_point;

  unsigned int & _num_points;

  const RealVectorValue _line_vector;

  const RealVectorValue _zero;

  const Real _line_vector_norm;

private:
  const VectorPostprocessorValue & _vpp_value;
};