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circle.hxx

00001 // Copyright (C) 2002-2004 Vivien Mallet
00002 //
00003 // This file is part of Multivac library.
00004 // Multivac library provides front-tracking algorithms.
00005 // 
00006 // Multivac is free software; you can redistribute it and/or modify
00007 // it under the terms of the GNU General Public License as published by
00008 // the Free Software Foundation; either version 2 of the License, or
00009 // (at your option) any later version.
00010 // 
00011 // Multivac is distributed in the hope that it will be useful,
00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014 // GNU General Public License (file "license") for more details.
00015 //
00016 // For more information, please see the Multivac home page:
00017 //     http://spacetown.free.fr/fronts/
00018 
00019 
00020 #ifndef FILE_INITIALCURVES_CIRCLE_HXX
00021 
00022 
00023 #include "../errors.cxx"
00024 #include <stdio.h>
00025 #include <math.h>
00026 
00027 
00028 namespace Multivac
00029 {
00030 
00031 
00032 
00034   // CCIRCLE //
00036 
00038   template <class T>
00039   class CCircle: public CInitialCurve<T>
00040   {
00041 
00042 
00043     /**************
00044      * ATTRIBUTES *
00045      **************/
00046 
00047   protected:
00048 
00049     T CenterX;
00050     T CenterY;
00051 
00052     T Radius;
00053 
00054 
00055     /*****************************
00056      * CONSTRUCTORS & DESTRUCTOR *
00057      *****************************/
00058 
00059   public:
00060 
00061     CCircle()  throw();
00062     CCircle(T CenterX_, T CenterY_, T Radius_, bool reversed_ = false)  throw();
00063 
00064     ~CCircle()  throw();
00065 
00066 
00067     /***********
00068      * METHODS *
00069      ***********/
00070     
00071   public:
00072   
00073     virtual void SetDistances(CMesh<T>& Mesh, CLevelSet<T>& Phi);
00074     virtual T GetDistance(T x, T y);
00075 
00076     virtual void GetProjectionOnMesh(T& x, T& y, CMesh<T>& Mesh);
00077 
00078     virtual void Save(string CurveFile) const;
00079 
00080   private:
00081 
00082     bool Intersection(T x_A, T y_A, T& x_B, T& y_B) const;
00083 
00084   };  // CCircle.
00085 
00086 
00087 }  // namespace Multivac.
00088 
00089 
00090 #define FILE_INITIALCURVES_CIRCLE_HXX
00091 #endif

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