circle.hxx

// Copyright (C) 2002-2004 Vivien Mallet
//
// This file is part of Multivac library.
// Multivac library provides front-tracking algorithms.
// 
// Multivac is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
// 
// Multivac is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License (file "license") for more details.
//
// For more information, please see the Multivac home page:
//     http://spacetown.free.fr/fronts/


#ifndef FILE_INITIALCURVES_CIRCLE_HXX


#include "../errors.cxx"
#include <stdio.h>
#include <math.h>


namespace Multivac
{



  // CCIRCLE //

  template <class T>
  class CCircle: public CInitialCurve<T>
  {


    /**************
     * ATTRIBUTES *
     **************/

  protected:

    T CenterX;
    T CenterY;

    T Radius;


    /*****************************
     * CONSTRUCTORS & DESTRUCTOR *
     *****************************/

  public:

    CCircle()  throw();
    CCircle(T CenterX_, T CenterY_, T Radius_,
            bool reversed_ = false)  throw();

    ~CCircle()  throw();


    /***********
     * METHODS *
     ***********/
    
  public:
  
    virtual void SetDistances(CMesh<T>& Mesh, CLevelSet<T>& Phi);
    virtual T GetDistance(T x, T y);

    virtual void GetProjectionOnMesh(T& x, T& y, CMesh<T>& Mesh);

    virtual void Save(string CurveFile) const;

  private:

    bool Intersection(T x_A, T y_A, T& x_B, T& y_B) const;

  };  // CCircle.


}  // namespace Multivac.


#define FILE_INITIALCURVES_CIRCLE_HXX
#endif

---