Program Listing for File PhotonBackground.h

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#ifndef CRPROPA_PHOTONBACKGROUND_H
#define CRPROPA_PHOTONBACKGROUND_H

#include "crpropa/Common.h"
#include "crpropa/Referenced.h"

#include <vector>
#include <string>

namespace crpropa {
class PhotonField: public Referenced {
public:
        PhotonField() {
                this->fieldName = "AbstractPhotonField";
                this->isRedshiftDependent = false;
        }

        virtual double getPhotonDensity(double ePhoton, double z = 0.) const = 0;
        virtual double getMinimumPhotonEnergy(double z) const = 0;
        virtual double getMaximumPhotonEnergy(double z) const = 0;
        virtual std::string getFieldName() const {
                return this->fieldName;
        }

        virtual double getRedshiftScaling(double z) const {
                return 1.;
        };

        bool hasRedshiftDependence() const {
                return this->isRedshiftDependent;
        }

        void setFieldName(std::string fieldName) {
                this->fieldName = fieldName;
        }

protected:
        std::string fieldName;
        bool isRedshiftDependent;
};

class TabularPhotonField: public PhotonField {
public:
        TabularPhotonField(const std::string fieldName, const bool isRedshiftDependent = true);

        double getPhotonDensity(double ePhoton, double z = 0.) const;
        double getRedshiftScaling(double z) const;
        double getMinimumPhotonEnergy(double z) const;
        double getMaximumPhotonEnergy(double z) const;

protected:
        void readPhotonEnergy(std::string filePath);
        void readPhotonDensity(std::string filePath);
        void readRedshift(std::string filePath);
        void initRedshiftScaling();
        void checkInputData() const;

        std::vector<double> photonEnergies;
        std::vector<double> photonDensity;
        std::vector<double> redshifts;
        std::vector<double> redshiftScalings;
};

class IRB_Kneiske04: public TabularPhotonField {
public:
        IRB_Kneiske04() : TabularPhotonField("IRB_Kneiske04", true) {}
};

class IRB_Stecker05: public TabularPhotonField {
public:
        IRB_Stecker05() : TabularPhotonField("IRB_Stecker05", true) {}
};

class IRB_Franceschini08: public TabularPhotonField {
public:
        IRB_Franceschini08() : TabularPhotonField("IRB_Franceschini08", true) {}
};

class IRB_Finke10: public TabularPhotonField {
public:
        IRB_Finke10() : TabularPhotonField("IRB_Finke10", true) {}
};

class IRB_Dominguez11: public TabularPhotonField {
public:
        IRB_Dominguez11() : TabularPhotonField("IRB_Dominguez11", true) {}
};

class IRB_Gilmore12: public TabularPhotonField {
public:
        IRB_Gilmore12() : TabularPhotonField("IRB_Gilmore12", true) {}
};

class IRB_Stecker16_upper: public TabularPhotonField {
public:
        IRB_Stecker16_upper() : TabularPhotonField("IRB_Stecker16_upper", true) {}
};

class IRB_Stecker16_lower: public TabularPhotonField {
public:
        IRB_Stecker16_lower() : TabularPhotonField("IRB_Stecker16_lower", true) {}
};

class IRB_Saldana21: public TabularPhotonField {
public:
        IRB_Saldana21() : TabularPhotonField("IRB_Saldana21", true) {}
};

class IRB_Saldana21_upper: public TabularPhotonField {
public:
        IRB_Saldana21_upper() : TabularPhotonField("IRB_Saldana21_upper", true) {}
};

class IRB_Saldana21_lower: public TabularPhotonField {
public:
        IRB_Saldana21_lower() : TabularPhotonField("IRB_Saldana21_lower", true) {}
};

class IRB_Finke22: public TabularPhotonField {
public:
        IRB_Finke22() : TabularPhotonField("IRB_Finke22", true) {}
};

class URB_Protheroe96: public TabularPhotonField {
public:
        URB_Protheroe96() : TabularPhotonField("URB_Protheroe96", false) {}
};

class URB_Fixsen11: public TabularPhotonField {
public:
        URB_Fixsen11() : TabularPhotonField("URB_Fixsen11", false) {}
};

class URB_Nitu21: public TabularPhotonField {
public:
        URB_Nitu21() : TabularPhotonField("URB_Nitu21", false) {}
};

class BlackbodyPhotonField: public PhotonField {
public:
        BlackbodyPhotonField(const std::string fieldName, const double blackbodyTemperature);
        double getPhotonDensity(double ePhoton, double z = 0.) const;
        double getMinimumPhotonEnergy(double z) const;
        double getMaximumPhotonEnergy(double z) const;
        void setQuantile(double q);

protected:
        double blackbodyTemperature;
        double quantile;
};

class CMB: public BlackbodyPhotonField {
public:
        CMB() : BlackbodyPhotonField("CMB", 2.73) {}
};


} // namespace crpropa

#endif // CRPROPA_PHOTONBACKGROUND_H