NearToFarField.h

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// Gmsh - Copyright (C) 1997-2022 C. Geuzaine, J.-F. Remacle
//
// See the LICENSE.txt file in the Gmsh root directory for license information.
// Please report all issues on https://gitlab.onelab.info/gmsh/gmsh/issues.
 
#ifndef NEARTOFARFIELD_H
#define NEARTOFARFIELD_H
 
#include "Plugin.h"
#include "shapeFunctions.h"
#include "Numeric.h"
#include "PViewOptions.h"
#include "MElement.h"
#include "GModel.h"
 
extern "C" {
GMSH_Plugin *GMSH_RegisterNearToFarFieldPlugin();
}
 
class GMSH_NearToFarFieldPlugin : public GMSH_PostPlugin {
public:
  GMSH_NearToFarFieldPlugin() {}
  std::string getName() const { return "NearToFarField"; }
  std::string getShortHelp() const
  {
    return "Compute Far Field pattern from Near Field on a surface";
  }
  std::string getHelp() const;
  virtual std::string getAuthor() const { return "R. Sabariego, C. Geuzaine"; }
  int getNbOptions() const;
  StringXNumber *getOption(int iopt);
  int getNbOptionsStr() const;
  StringXString *getOptionStr(int iopt);
  PView *execute(PView *);
 
  double getFarFieldJin(std::vector<element *> &allElems,
                        std::vector<std::vector<double> > &js,
                        std::vector<std::vector<double> > &ms, double k0,
                        double r_far, double theta, double phi);
 
  double getFarFieldMonk(std::vector<element *> &allElems,
                         std::vector<std::vector<double> > &farfieldvector,
                         std::vector<std::vector<double> > &js,
                         std::vector<std::vector<double> > &ms, double k0,
                         double theta, double phi);
};
 
#endif