SUMO - Simulation of Urban MObility
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00001 /****************************************************************************/ 00008 // Calculators for route costs and probabilities 00009 /****************************************************************************/ 00010 // SUMO, Simulation of Urban MObility; see http://sumo.sourceforge.net/ 00011 // Copyright (C) 2001-2012 DLR (http://www.dlr.de/) and contributors 00012 /****************************************************************************/ 00013 // 00014 // This file is part of SUMO. 00015 // SUMO is free software: you can redistribute it and/or modify 00016 // it under the terms of the GNU General Public License as published by 00017 // the Free Software Foundation, either version 3 of the License, or 00018 // (at your option) any later version. 00019 // 00020 /****************************************************************************/ 00021 #ifndef ROCostCalculator_h 00022 #define ROCostCalculator_h 00023 00024 00025 // =========================================================================== 00026 // included modules 00027 // =========================================================================== 00028 #ifdef _MSC_VER 00029 #include <windows_config.h> 00030 #else 00031 #include <config.h> 00032 #endif 00033 00034 #include <vector> 00035 #include <map> 00036 00037 00038 // =========================================================================== 00039 // class declarations 00040 // =========================================================================== 00041 class RORoute; 00042 class ROVehicle; 00043 00044 00045 // =========================================================================== 00046 // class definitions 00047 // =========================================================================== 00052 class ROCostCalculator { 00053 public: 00054 static ROCostCalculator& getCalculator(); 00055 00056 static void cleanup(); 00057 00058 virtual void setCosts(RORoute* route, const SUMOReal costs, const bool isActive=false) const = 0; 00059 00061 virtual void calculateProbabilities(const ROVehicle* const veh, std::vector<RORoute*> alternatives) = 0; 00062 00063 protected: 00065 ROCostCalculator(); 00066 00068 virtual ~ROCostCalculator(); 00069 00070 private: 00071 static ROCostCalculator* myInstance; 00072 00073 }; 00074 00075 00080 class ROGawronCalculator : public ROCostCalculator { 00081 public: 00083 ROGawronCalculator(const SUMOReal beta, const SUMOReal a); 00084 00086 virtual ~ROGawronCalculator(); 00087 00088 void setCosts(RORoute* route, const SUMOReal costs, const bool isActive=false) const; 00089 00091 void calculateProbabilities(const ROVehicle* const veh, std::vector<RORoute*> alternatives); 00092 00093 private: 00096 SUMOReal gawronF(const SUMOReal pdr, const SUMOReal pds, const SUMOReal x) const; 00097 00100 SUMOReal gawronG(const SUMOReal a, const SUMOReal x) const; 00101 00102 private: 00104 const SUMOReal myBeta; 00105 00107 const SUMOReal myA; 00108 00109 }; 00110 00111 00116 class ROLogitCalculator : public ROCostCalculator { 00117 public: 00119 ROLogitCalculator(const SUMOReal beta, const SUMOReal gamma, 00120 const SUMOReal theta); 00121 00123 virtual ~ROLogitCalculator(); 00124 00125 void setCosts(RORoute* route, const SUMOReal costs, const bool isActive=false) const; 00126 00128 void calculateProbabilities(const ROVehicle* const veh, std::vector<RORoute*> alternatives); 00129 00130 private: 00132 SUMOReal getBetaForCLogit(const std::vector<RORoute*> alternatives) const; 00133 00135 SUMOReal getThetaForCLogit(const std::vector<RORoute*> alternatives) const; 00136 00137 private: 00139 const SUMOReal myBeta; 00140 00142 const SUMOReal myGamma; 00143 00145 const SUMOReal myTheta; 00146 00148 std::map<const RORoute*, SUMOReal> myCommonalities; 00149 00150 }; 00151 00152 00153 #endif 00154 00155 /****************************************************************************/ 00156