cumulativedistributor.h

Enable keyboard shortcuts

// Copyright (C) 2016 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

/*

 * Galaxy creation code obtained from http://beltoforion.de/galaxy/galaxy_en.html

 * Thanks to Ingo Berg, great work.

 * Licensed under a  Creative Commons Attribution 3.0 License

 * http://creativecommons.org/licenses/by/3.0/

*/

#ifndef CUMULATIVEDISTRIBUTOR_H

#define CUMULATIVEDISTRIBUTOR_H

#include <QtCore/qglobal.h>

#include <QtCore/QList>

#include <QtGui/QVector2D>

class CumulativeDistributor

public:

    typedef qreal (CumulativeDistributor::*dist_fun_t)(qreal x);

    CumulativeDistributor();

    virtual ~CumulativeDistributor();

    qreal PropFromVal(qreal fVal);

    qreal ValFromProp(qreal fVal);

    void setupRealistic(qreal I0, qreal k, qreal a, qreal RBulge, qreal min,

                        qreal max, int nSteps);

    qreal valFromProp(qreal fVal);

private:

    dist_fun_t m_pDistFun;

    qreal m_fMin;

    qreal m_fMax;

    qreal m_fWidth;

    int m_nSteps;

    // parameters for realistic star distribution

    qreal m_I0;

    qreal m_k;

    qreal m_a;

    qreal m_RBulge;

    QList<qreal> m_vM1;

    QList<qreal> m_vY1;

    QList<qreal> m_vX1;

    QList<qreal> m_vM2;

    QList<qreal> m_vY2;

    QList<qreal> m_vX2;

    void buildCDF(int nSteps);

    qreal IntensityBulge(qreal R, qreal I0, qreal k);

    qreal IntensityDisc(qreal R, qreal I0, qreal a);

    qreal Intensity(qreal x);

};

#endif // CUMULATIVEDISTRIBUTOR_H