PSDContinuous.h

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// This file is part of the MercuryDPM project (https://www.mercurydpm.org).
// Copyright (c), The MercuryDPM Developers Team. All rights reserved.
// License: BSD 3-Clause License; see the LICENSE file in the root directory.
 
#ifndef MERCURYDPM_PSDCONTINUOUS_H
#define MERCURYDPM_PSDCONTINUOUS_H
 
#include <fstream>
#include <vector>
#include "iostream"
#include "PSD.h"
 
struct PSDContinuous
{
//    // sets the psd from the probability values given in the file batch_materials_PSD.xlsx
//    static void checkPSD (std::vector<PSDContinuous>& psd) {
//        if (psd.empty()) {
//            logger(ERROR,"psd is empty");
//        }
//        if (psd[0].probability!=0) {
//            logger(WARN,"psd should start with a zero probability");
//            psd.emplace(psd.begin(),PSDContinuous{psd[0].radius,0});
//        }
//        if (psd.back().probability!=1) {
//            logger(WARN,"psd should end with a unit probability");
//            psd.emplace_back(PSDContinuous{psd.back().radius,1});
//        }
//    }
 
    static void print (std::vector<PSDContinuous>& psd);
 
    // validate whether psd is a cumulative distribution
    static void validateCumulativeDistribution (std::vector<PSDContinuous>& psd);
 
    // combine vectors of radii and probabilities into psd vector
    static std::vector<PSDContinuous> createPSDFromRadiiAndProbabilities (const std::vector<double>& radius,
                                                                const std::vector<double>& probability);
 
    // converts a subtractive to a cumulative psd
    static void convertSubtractiveToCumulative (std::vector<PSDContinuous>& psd);
 
    // converst a single to a cumulative psd
    static void convertCumulativeToSubtractive (std::vector<PSDContinuous>& psd);
 
    // converts a subtractive number psd to a subtractive volume psd
    static void convertSubtractiveVolumeToNumber (std::vector<PSDContinuous>& psd);
 
    // converts a cumulative number psd to a cumulative volume psd
    static void convertCumulativeVolumeToNumber (std::vector<PSDContinuous>& psd);
 
    // interpolates the psd linearly
    static void interpolateCSD (std::vector<PSDContinuous>& psd, unsigned n);
 
    // converts a cumulative number psd to a cumulative volume psd and returns
    static std::vector<PSDContinuous> getCumulativeNumberFromVolume (std::vector<PSDContinuous> psd) {
        convertCumulativeVolumeToNumber (psd);
        return psd;
    }
 
    //cuts off at given quantiles
    static std::vector<PSDContinuous> cutoffCumulativeNumber (std::vector<PSDContinuous> psd, double quantileMin, double quantileMax, double minPolydispersity = 0.1) {
        double radiusMin = getQuantile(psd,quantileMin);
        double radiusMax = getQuantile(psd,quantileMax);
        //to get a minimum polydispersity at the base
        double radiusMinCut = std::min(radiusMin*(1+minPolydispersity),radiusMax);
        //convert to volume psd
        convertCumulativeNumberToVolume(psd);
        //cut off min
        while (psd.front().radius<=radiusMinCut) psd.erase(psd.begin());
        psd.insert(psd.begin(),PSDContinuous{radiusMinCut,quantileMin});
        psd.insert(psd.begin(),PSDContinuous{radiusMin,0});
        //cut off max
        while (psd.back().radius>=radiusMax) psd.pop_back();
        psd.push_back(PSDContinuous{radiusMax,quantileMax});
        psd.push_back(PSDContinuous{radiusMax,1});
        //convert to number psd
        convertCumulativeVolumeToNumber(psd);
        return psd;
    }
 
    //cuts off at given quantiles
    static std::vector<PSDContinuous> cutoffAndSqueezeCumulativeNumber (std::vector<PSDContinuous> psd, double quantileMin, double quantileMax, double squeeze, double minPolydispersity = 0.1) {
        double r50 = 0.5*PSDContinuous::getD50(psd);
        //cut off
        psd = cutoffCumulativeNumber (psd, quantileMin, quantileMax, minPolydispersity);
        //convert to volume psd
        convertCumulativeNumberToVolume(psd);
        //squeeze psd
        for (auto& p : psd) {
            p.radius = r50+(p.radius-r50)*squeeze;
        }
        //convert to number psd
        convertCumulativeVolumeToNumber(psd);
        return psd;
    }
 
    // converts a subtractive number psd to a subtractive volume psd
    static void convertSubtractiveNumberToVolume (std::vector<PSDContinuous>& psd);
 
    // converts a cumulative number psd to a cumulative volume psd
    static void convertCumulativeNumberToVolume (std::vector<PSDContinuous>& psd);
 
//    // returns a cumulative number particle size distribution from a given volume particle size distribution
//    static std::vector<PSDContinuous> setFromVolumePSD (const std::vector<double>& radius,
//                                                          const std::vector<double>& probability);
 
    // get quantile size
    //todo the D0 and D100 should be fixed.
    static double getD0 (const std::vector<PSDContinuous>& psd){
        return 2.0*getQuantile(psd,0.0);
    }
 
    static double getD10 (const std::vector<PSDContinuous>& psd){
        return 2.0*getQuantile(psd,0.1);
    }
 
    static double getD50 (const std::vector<PSDContinuous>& psd){
        return 2.0*getQuantile(psd,0.5);
    }
 
    static double getD90 (const std::vector<PSDContinuous>& psd){
        return 2.0*getQuantile(psd,0.9);
    }
 
    static double getD100 (const std::vector<PSDContinuous>& psd){
        return 2.0*getQuantile(psd,1.0);
    }
 
 
    // get quantile of volume distribution, e.g. 2.0*getQuantile(psd,0.5) gets D50
    static double getQuantile(std::vector<PSDContinuous> psd, double quantile);
 
    // get radius r such that a monodisperse system has the same number of particles as a polydisperse system
    static double getVolumetricMean(std::vector<PSDContinuous> psd);
 
    bool operator<(const double probability) const
    {
        return this->probability < probability;
    }
 
    friend std::ostream& operator<<(std::ostream& os, const PSDContinuous& psd) {
        os << psd.radius << ' ' << psd.probability;
        return os;
    }
 
    friend std::istream& operator>>(std::istream& is, PSDContinuous& psd) {
        is >> psd.radius >> psd.probability;
        return is;
    }
 
    double radius;
    double probability;
};
 
const PSD convertPSD2ToPSD(const std::vector<PSDContinuous>& psd2);
#endif //MERCURYDPM_PSD_H