JKQtPlotter/lib/jkqtplotter/jkqtpgraphsboxplot.cpp

/*
    Copyright (c) 2008-2019 Jan W. Krieger (<jan@jkrieger.de>)

    

    This software is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License (LGPL) as published by
    the Free Software Foundation, either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Lesser General Public License (LGPL) for more details.

    You should have received a copy of the GNU Lesser General Public License (LGPL)
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/



#include "jkqtplotter/jkqtpgraphsboxplot.h"
#include "jkqtplotter/jkqtpbaseplotter.h"
#include <stdlib.h>
#include <QDebug>
#include <iostream>
#include "jkqtplottertools/jkqtptools.h"
#include "jkqtplotter/jkqtpgraphsimage.h"
#include "jkqtplotter/jkqtpbaseelements.h"
#include "jkqtplotter/jkqtplotter.h"
#define SmallestGreaterZeroCompare_xvsgz() if ((xvsgz>10.0*DBL_MIN)&&((smallestGreaterZero<10.0*DBL_MIN) || (xvsgz<smallestGreaterZero))) smallestGreaterZero=xvsgz;








JKQTPBoxplotVerticalGraph::JKQTPBoxplotVerticalGraph(JKQTBasePlotter* parent):
    JKQTPGraph(parent)
{
    posColumn=-1;
    medianColumn=-1;
    meanColumn=-1;
    minColumn=-1;
    maxColumn=-1;
    percentile25Column=-1;
    percentile75Column=-1;
    color=QColor("red");
    fillColor=QColor("white");
    fillStyle=Qt::SolidPattern;
    whiskerStyle=Qt::SolidLine;
    lineWidth=1;
    boxWidth=0.4;
    meanSymbol=JKQTPPlus;
    meanSymbolWidth=1;
    meanSymbolSize=12;
    sortData=Unsorted;

    if (parent) { // get style settings from parent object
        parentPlotStyle=parent->getNextStyle();
        //std::cout<<"got style settings from parent: "<<parentPlotStyle<<std::endl;
        color=parent->getPlotStyle(parentPlotStyle).color();
        whiskerStyle=parent->getPlotStyle(parentPlotStyle).style();
    }

}


JKQTPBoxplotVerticalGraph::JKQTPBoxplotVerticalGraph(JKQTPlotter* parent):
    JKQTPGraph(parent)
{
    posColumn=-1;
    medianColumn=-1;
    meanColumn=-1;
    minColumn=-1;
    maxColumn=-1;
    percentile25Column=-1;
    percentile75Column=-1;
    color=QColor("red");
    fillColor=QColor("white");
    fillStyle=Qt::SolidPattern;
    whiskerStyle=Qt::SolidLine;
    lineWidth=1;
    boxWidth=0.4;
    meanSymbol=JKQTPPlus;
    meanSymbolWidth=1;
    meanSymbolSize=12;
    sortData=Unsorted;

    if (parent) { // get style settings from parent object
        parentPlotStyle=parent->getNextStyle();
        //std::cout<<"got style settings from parent: "<<parentPlotStyle<<std::endl;
        color=parent->getPlotStyle(parentPlotStyle).color();
        whiskerStyle=parent->getPlotStyle(parentPlotStyle).style();
    }

}


void JKQTPBoxplotVerticalGraph::draw(JKQTPEnhancedPainter& painter) {
#ifdef JKQTBP_AUTOTIMER
    JKQTPAutoOutputTimer jkaaot("JKQTPBoxplotVerticalGraph::draw");
#endif
    if (parent==nullptr) return;
    JKQTPDatastore* datastore=parent->getDatastore();
    if (datastore==nullptr) return;

    drawErrorsBefore(painter);


    QPen p=painter.pen();
    p.setColor(color);
    p.setWidthF(qMax(JKQTPLOTTER_ABS_MIN_LINEWIDTH, parent->pt2px(painter, lineWidth*parent->get_lineWidthMultiplier())));
    p.setJoinStyle(Qt::RoundJoin);
    p.setJoinStyle(Qt::RoundJoin);
    p.setCapStyle(Qt::RoundCap);
    QPen pw=p;
    pw.setStyle(whiskerStyle);
    QPen np(Qt::NoPen);

    QBrush b=painter.brush();
    b.setColor(fillColor);
    b.setStyle(fillStyle);

    int imax=datastore->getColumn(posColumn).getRows();
    int imin=0;
    // interpret data ranges
    if (datarange_start>-1) {
        imin=qMin(datarange_start, static_cast<int>(imax));
    }
    if (datarange_end>-1) {
        imax=qMin(datarange_end, static_cast<int>(imax));
    }
    if (imax<imin) {
        int h=imin;
        imin=imax;
        imax=h;
    }
    if (imin<0) imin=0;
    if (imax<0) imax=0;



    //bool first=false;

    // 1. step find width of boxplots:
    double boxwidth_real=0;
    bool bwfirst=true;
    intSortData();
    for (int iii=imin+1; iii<imax; iii++) {
        int i=qBound(imin, getDataIndex(iii), imax);
        double xv0=transformX(datastore->get(posColumn,i-1));
        double xv=transformX(datastore->get(posColumn,i));
        if (posColumn>=0 && JKQTPIsOKFloat(xv) && JKQTPIsOKFloat(xv0)) {
            if (bwfirst) {
                boxwidth_real=fabs(xv-xv0);
                bwfirst=false;
            } else {
                if (fabs(xv-xv0)>0) boxwidth_real=qMin(fabs(xv-xv0), boxwidth_real);
            }
        }
    }
    // 2. plot:
    painter.save();
    for (int i=imin; i<imax; i++) {
        double xv=datastore->get(posColumn,i);
        double p25v=datastore->get(percentile25Column,i);
        double p75v=datastore->get(percentile75Column,i);
        double minv=datastore->get(minColumn,i);
        double maxv=datastore->get(maxColumn,i);
        double medianv=datastore->get(medianColumn,i);
        double mean=transformY(datastore->get(meanColumn,i));

        QVector<QLineF> lines_p, lines_pw;

        //std::cout<<"(xv, yv) =    ( "<<xv<<", "<<yv<<" )\n";
        if (posColumn>=0 && JKQTPIsOKFloat(xv) && JKQTPIsOKFloat(p25v) &&
            JKQTPIsOKFloat(p75v) && JKQTPIsOKFloat(minv) &&
            JKQTPIsOKFloat(maxv) && JKQTPIsOKFloat(medianv) ) {

            painter.save();
            painter.setPen(p);
            painter.setBrush(b);
            //std::cout<<"boxplot(med="<<medianv<<", min="<<minv<<", max="<<maxv<<", p25="<<p25v<<", p75="<<p75v<<")\n";
            double x=transformX(xv);
            double p25=transformY(p25v);
            double p75=transformY(p75v);
            double min=transformY(minv);
            double max=transformY(maxv);
            double median=transformY(medianv);

            double xn=x+1;
            if (i+1<imax) xn=transformX(datastore->get(posColumn,i+1));
            else if (i-1>=0) xn=transformX(datastore->get(posColumn,i-1));
            else xn=x+1;


            double w=((boxwidth_real>0)?boxwidth_real:(fabs(xn-x)))*boxWidth;
            double minstop=p25;
            double maxstop=p75;
            if (percentile25Column<0 && medianColumn>=0) minstop=median;
            else if (percentile25Column<0 && meanColumn>=0) minstop=mean;
            else if (percentile25Column<0 && maxColumn>=0) minstop=max;
            if (percentile75Column<0 && medianColumn>=0) maxstop=median;
            else if (percentile75Column<0 && meanColumn>=0) maxstop=mean;
            else if (percentile75Column<0 && minColumn>=0) maxstop=min;
            double xma=x+w/2.0;
            double xmi=x-w/2.0;
            double xma4=x+w/4.0;
            double xmi4=x-w/4.0;

            if (imax<=0) {
                xma=transformX(xv+boxWidth/2.0);
                xmi=transformX(xv-boxWidth/2.0);
                xma4=transformX(xv+boxWidth/4.0);
                xmi4=transformX(xv-boxWidth/4.0);
            }

            if (minColumn>=0) {
                lines_p.append(QLineF(xmi4, min, xma4, min));
                lines_pw.append(QLineF(x, min, x, minstop));
            }
            if (maxColumn>=0) {
                lines_p.append(QLineF(xmi4, max, xma4, max));
                lines_pw.append(QLineF(x, max, x, maxstop));
            }

            if (percentile25Column>=0 && percentile75Column>=0) painter.drawRect(QRectF(xmi, p75, fabs(xma-xmi), fabs(p75-p25)));
            if (medianColumn>=0) lines_p.append(QLineF(xmi+p.widthF()/2.0, median, xma-p.widthF()/2.0, median));
            if (meanColumn>=0 && JKQTPIsOKFloat(mean)) {
                JKQTPPlotSymbol(painter, x, mean, meanSymbol, parent->pt2px(painter, meanSymbolSize), parent->pt2px(painter, meanSymbolWidth*parent->get_lineWidthMultiplier()), color, fillColor);
            }


            painter.setPen(p);
            if (lines_p.size()>0) painter.drawLines(lines_p);
            painter.setPen(pw);
            if (lines_pw.size()>0) painter.drawLines(lines_pw);
            painter.restore();

            //first=true;
        }
    }
    painter.restore();


    drawErrorsAfter(painter);
}


bool JKQTPBoxplotVerticalGraph::getXMinMax(double& minx, double& maxx, double& smallestGreaterZero) {
    bool start=true;
    minx=0;
    maxx=0;
    smallestGreaterZero=0;

    if (posColumn<0) return false;
    if (parent==nullptr) return false;

    JKQTPDatastore* datastore=parent->getDatastore();
    int imin=0;
    int imax=datastore->getColumn(posColumn).getRows();
    // interpret data ranges
    if (datarange_start>-1) {
        imin=qMin(datarange_start, static_cast<int>(imax));
    }
    if (datarange_end>-1) {
        imax=qMin(datarange_end, static_cast<int>(imax));
    }
    if (imax<imin) {
        int h=imin;
        imin=imax;
        imax=h;
    }
    if (imin<0) imin=0;
    if (imax<0) imax=0;

    for (int i=imin; i<imax; i++) {
        double xv=datastore->get(posColumn,i);
        if (JKQTPIsOKFloat(xv)) {
            double xn=xv+1;
            if (i+1<imax) xn=datastore->get(posColumn,i+1);
            else if (i-1>=0) xn=datastore->get(posColumn,i-1);
            else xn=xv+1;
            double delta=fabs(xn-xv);
            double w=delta*boxWidth;
            double xma=xv+w;
            double xmi=xv-w;
            if (start || xma>maxx) maxx=xma;
            if (start || xmi<minx) minx=xmi;
            double xvsgz;
            xvsgz=xmi; SmallestGreaterZeroCompare_xvsgz();
            xvsgz=xma; SmallestGreaterZeroCompare_xvsgz();
            start=false;
        }
    }
    return !start;
}

bool JKQTPBoxplotVerticalGraph::getYMinMax(double& miny, double& maxy, double& smallestGreaterZero) {
    bool start=true;
    miny=0;
    maxy=0;
    smallestGreaterZero=0;

    if (percentile25Column<0 && percentile75Column<0 && medianColumn<0 && minColumn<0 && maxColumn<0) return false;

    if (parent==nullptr) return false;

    JKQTPDatastore* datastore=parent->getDatastore();
    int imin=0;
    int imax=datastore->getColumn(medianColumn).getRows();
    // interpret data ranges
    if (datarange_start>-1) {
        imin=qMin(datarange_start, static_cast<int>(imax));
    }
    if (datarange_end>-1) {
        imax=qMin(datarange_end, static_cast<int>(imax));
    }
    if (imax<imin) {
        int h=imin;
        imin=imax;
        imax=h;
    }
    if (imin<0) imin=0;
    if (imax<0) imax=0;

    for (int i=imin; i<imax; i++) {
        double p25=datastore->get(percentile25Column,i);
        double p75=datastore->get(percentile75Column,i);
        double min=datastore->get(minColumn,i);
        double max=datastore->get(maxColumn,i);
        double median=datastore->get(medianColumn,i);
        if (JKQTPIsOKFloat(median)) {
            if (start || median>maxy) maxy=median;
            if (start || median<miny) miny=median;
            if (JKQTPIsOKFloat(p25) &&p25>maxy) maxy=p25;
            if (JKQTPIsOKFloat(p25) &&p25<miny) miny=p25;
            if (JKQTPIsOKFloat(p75) &&p75>maxy) maxy=p75;
            if (JKQTPIsOKFloat(p75) &&p75<miny) miny=p75;
            if (JKQTPIsOKFloat(min) &&min>maxy) maxy=min;
            if (JKQTPIsOKFloat(min) &&min<miny) miny=min;
            if (JKQTPIsOKFloat(max) &&max>maxy) maxy=max;
            if (JKQTPIsOKFloat(max) &&max<miny) miny=max;

            double xvsgz;
            xvsgz=median; SmallestGreaterZeroCompare_xvsgz();
            xvsgz=p25; SmallestGreaterZeroCompare_xvsgz();
            xvsgz=p75; SmallestGreaterZeroCompare_xvsgz();
            xvsgz=min; SmallestGreaterZeroCompare_xvsgz();
            xvsgz=max; SmallestGreaterZeroCompare_xvsgz();
            start=false;
        }
    }
    return !start;
}

bool JKQTPBoxplotVerticalGraph::usesColumn(int c) const
{
    return (c==meanColumn)||(c==posColumn)||(c==medianColumn)||(c==minColumn)||(c==maxColumn)||(c==percentile25Column)||(c==percentile75Column);
}

void JKQTPBoxplotVerticalGraph::set_sortData(int __value) {
    sortData=(DataSortOrder)__value;
    if (__value>0) sortData=Sorted;
}


void JKQTPBoxplotVerticalGraph::drawKeyMarker(JKQTPEnhancedPainter& painter, QRectF& rect) {
    painter.save();
    QPen p=painter.pen();
    p.setJoinStyle(Qt::RoundJoin);
    p.setCapStyle(Qt::RoundCap);    p.setColor(color);
    p.setWidthF(qMax(JKQTPLOTTER_ABS_MIN_LINEWIDTH, parent->pt2px(painter, lineWidth*parent->get_lineWidthMultiplier())));
    p.setJoinStyle(Qt::RoundJoin);
    QPen pw=p;
    pw.setStyle(whiskerStyle);
    QPen np(Qt::NoPen);

    QBrush b=painter.brush();
    b.setColor(fillColor);
    b.setStyle(fillStyle);

    double x=rect.left()+rect.width()/2.0;
    double xma=x+rect.width()/2.5;
    double xmi=x-rect.width()/2.5;
    double min=rect.bottom();
    double max=rect.top();
    double median=max+rect.height()/2.0;
    double w=rect.width()/1.8;
    double p25=max+0.75*rect.height();
    double p75=max+0.25*rect.height();

    painter.setPen(p);
    painter.save();
    painter.setBrush(b);
    painter.drawRect(QRectF(xmi, p75, fabs(xma-xmi), fabs(p75-p25)));
    painter.restore();
    painter.drawLine(QLineF(xmi, median, xma, median));
    painter.drawLine(QLineF(x-w/4.0, max, x+w/4.0, max));
    painter.drawLine(QLineF(x-w/4.0, min, x+w/4.0, min));
    painter.setPen(pw);
    painter.drawLine(QLineF(x, max, x, p75));
    painter.drawLine(QLineF(x, min, x, p25));
    painter.restore();
}

QColor JKQTPBoxplotVerticalGraph::getKeyLabelColor() {
    return color;
}




void JKQTPBoxplotHorizontalGraph::drawKeyMarker(JKQTPEnhancedPainter& painter, QRectF& rect) {
    painter.save();
    QPen p=painter.pen();
    p.setColor(color);
    p.setWidthF(qMax(JKQTPLOTTER_ABS_MIN_LINEWIDTH, parent->pt2px(painter, lineWidth*parent->get_lineWidthMultiplier())));
    p.setJoinStyle(Qt::RoundJoin);
    p.setJoinStyle(Qt::RoundJoin);
    p.setCapStyle(Qt::RoundCap);
    QPen pw=p;
    pw.setStyle(whiskerStyle);
    QPen np(Qt::NoPen);

    QBrush b=painter.brush();
    b.setColor(fillColor);
    b.setStyle(fillStyle);

    double y=rect.top()+rect.height()/2.0;
    double yma=y+rect.height()/2.5;
    double ymi=y-rect.height()/2.5;
    double min=rect.left();
    double max=rect.right();
    double median=max-rect.width()/2.0;
    double w=rect.height()/1.8;
    double p25=min+0.75*rect.width();
    double p75=min+0.25*rect.width();

    painter.setPen(p);
    painter.save();
    painter.setBrush(b);
    painter.drawRect(QRectF(p75, ymi, fabs(p75-p25), fabs(yma-ymi)));
    painter.restore();
    painter.drawLine(QLineF(median, ymi, median, yma));
    painter.drawLine(QLineF(max, y-w/4.0, max, y+w/4.0));
    painter.drawLine(QLineF(min, y-w/4.0, min, y+w/4.0));
    painter.setPen(pw);
    painter.drawLine(QLineF(max, y, p75, y));
    painter.drawLine(QLineF(min, y, p25, y));
    painter.restore();
}

bool JKQTPBoxplotHorizontalGraph::getXMinMax(double& miny, double& maxy, double& smallestGreaterZero) {
    bool start=true;
    miny=0;
    maxy=0;
    smallestGreaterZero=0;

    if (percentile25Column<0 && percentile75Column<0 && medianColumn<0 && minColumn<0 && maxColumn<0) return false;

    if (parent==nullptr) return false;

    JKQTPDatastore* datastore=parent->getDatastore();
    int imin=0;
    int imax=datastore->getColumn(medianColumn).getRows();
    // interpret data ranges
    if (datarange_start>-1) {
        imin=qMin(datarange_start, static_cast<int>(imax));
    }
    if (datarange_end>-1) {
        imax=qMin(datarange_end, static_cast<int>(imax));
    }
    if (imax<imin) {
        int h=imin;
        imin=imax;
        imax=h;
    }
    if (imin<0) imin=0;
    if (imax<0) imax=0;

    for (int i=imin; i<imax; i++) {
        double p25=datastore->get(percentile25Column,i);
        double p75=datastore->get(percentile75Column,i);
        double min=datastore->get(minColumn,i);
        double max=datastore->get(maxColumn,i);
        double median=datastore->get(medianColumn,i);
        if (JKQTPIsOKFloat(median)) {
            if (start || median>maxy) maxy=median;
            if (start || median<miny) miny=median;
            if (JKQTPIsOKFloat(p25)&&p25>maxy) maxy=p25;
            if (JKQTPIsOKFloat(p25)&&p25<miny) miny=p25;
            if (JKQTPIsOKFloat(p75)&&p75>maxy) maxy=p75;
            if (JKQTPIsOKFloat(p75)&&p75<miny) miny=p75;
            if (JKQTPIsOKFloat(min)&&min>maxy) maxy=min;
            if (JKQTPIsOKFloat(min)&&min<miny) miny=min;
            if (JKQTPIsOKFloat(max)&&max>maxy) maxy=max;
            if (JKQTPIsOKFloat(max)&&max<miny) miny=max;
            double xvsgz;
            xvsgz=median; SmallestGreaterZeroCompare_xvsgz();
            xvsgz=p25; SmallestGreaterZeroCompare_xvsgz();
            xvsgz=p75; SmallestGreaterZeroCompare_xvsgz();
            xvsgz=min; SmallestGreaterZeroCompare_xvsgz();
            xvsgz=max; SmallestGreaterZeroCompare_xvsgz();
            start=false;
        }
    }
    return !start;
}

bool JKQTPBoxplotHorizontalGraph::getYMinMax(double& minx, double& maxx, double& smallestGreaterZero) {
    bool start=true;
    minx=0;
    maxx=0;
    smallestGreaterZero=0;

    if (posColumn<0) return false;
    if (parent==nullptr) return false;

    JKQTPDatastore* datastore=parent->getDatastore();
    int imin=0;
    int imax=datastore->getColumn(posColumn).getRows();
    // interpret data ranges
    if (datarange_start>-1) {
        imin=qMin(datarange_start, static_cast<int>(imax));
    }
    if (datarange_end>-1) {
        imax=qMin(datarange_end, static_cast<int>(imax));
    }
    if (imax<imin) {
        int h=imin;
        imin=imax;
        imax=h;
    }
    if (imin<0) imin=0;
    if (imax<0) imax=0;

    for (int i=imin; i<imax; i++) {
        double xv=datastore->get(posColumn,i);
        double xn=xv+1;
        if (i+1<imax) xn=datastore->get(posColumn,i+1);
        else if (i-1>=0) xn=datastore->get(posColumn,i-1);
        else xn=xv+1;
        double delta=fabs(xn-xv);
        double w=delta*boxWidth;
        double xma=xv+w;
        double xmi=xv-w;
        if (JKQTPIsOKFloat(xma) && JKQTPIsOKFloat(xmi) ) {
            if (start || xma>maxx) maxx=xma;
            if (start || xmi<minx) minx=xmi;
            double xvsgz;
            xvsgz=xmi; SmallestGreaterZeroCompare_xvsgz();
            xvsgz=xma; SmallestGreaterZeroCompare_xvsgz();
            start=false;
        }
    }
    return !start;
}

JKQTPBoxplotHorizontalGraph::JKQTPBoxplotHorizontalGraph(JKQTBasePlotter *parent):
    JKQTPBoxplotVerticalGraph(parent)
{
}

JKQTPBoxplotHorizontalGraph::JKQTPBoxplotHorizontalGraph(JKQTPlotter *parent):
    JKQTPBoxplotVerticalGraph(parent)
{
}

void JKQTPBoxplotHorizontalGraph::draw(JKQTPEnhancedPainter& painter) {
#ifdef JKQTBP_AUTOTIMER
    JKQTPAutoOutputTimer jkaaot("JKQTPBoxplotHorizontalGraph::draw");
#endif
    if (parent==nullptr) return;
    JKQTPDatastore* datastore=parent->getDatastore();
    if (datastore==nullptr) return;

    drawErrorsBefore(painter);


    QPen p=painter.pen();
    p.setColor(color);
    p.setWidthF(qMax(JKQTPLOTTER_ABS_MIN_LINEWIDTH, parent->pt2px(painter, lineWidth*parent->get_lineWidthMultiplier())));
    p.setJoinStyle(Qt::RoundJoin);
    p.setJoinStyle(Qt::RoundJoin);
    p.setCapStyle(Qt::RoundCap);
    QPen pw=p;
    pw.setStyle(whiskerStyle);
    QPen np(Qt::NoPen);

    QBrush b=painter.brush();
    b.setColor(fillColor);
    b.setStyle(fillStyle);

    int imax=datastore->getColumn(posColumn).getRows();
    int imin=0;
    // interpret data ranges
    if (datarange_start>-1) {
        imin=qMin(datarange_start, static_cast<int>(imax));
    }
    if (datarange_end>-1) {
        imax=qMin(datarange_end, static_cast<int>(imax));
    }
    if (imax<imin) {
        int h=imin;
        imin=imax;
        imax=h;
    }
    if (imin<0) imin=0;
    if (imax<0) imax=0;

    // 1. step find width of boxplots:
    double boxwidth_real=0;
    bool bwfirst=true;
    intSortData();
    for (int iii=imin+1; iii<imax; iii++) {
        int i=qBound(imin, getDataIndex(iii), imax);
        double xv0=transformY(datastore->get(posColumn,i-1));
        double xv=transformY(datastore->get(posColumn,i));
        if (posColumn>=0 && JKQTPIsOKFloat(xv) && JKQTPIsOKFloat(xv0)) {
            if (bwfirst) {
                boxwidth_real=fabs(xv-xv0);
                bwfirst=false;
            } else {
                if (fabs(xv-xv0)>0) boxwidth_real=qMin(fabs(xv-xv0), boxwidth_real);
            }
        }
    }
    // 2. plot:
    painter.save();

    //bool first=false;
    for (int i=imin; i<imax; i++) {
        double yv=datastore->get(posColumn,i);
        double p25v=datastore->get(percentile25Column,i);
        double p75v=datastore->get(percentile75Column,i);
        double minv=datastore->get(minColumn,i);
        double maxv=datastore->get(maxColumn,i);
        double medianv=datastore->get(medianColumn,i);
        double mean=transformX(datastore->get(meanColumn,i));

        QVector<QLineF> lines_p, lines_pw;
        //std::cout<<"(xv, yv) =    ( "<<xv<<", "<<yv<<" )\n";
        if (posColumn>=0 && JKQTPIsOKFloat(yv) &&
            JKQTPIsOKFloat(p25v) &&
            JKQTPIsOKFloat(p75v) &&
            JKQTPIsOKFloat(minv) &&
            JKQTPIsOKFloat(maxv) &&
            JKQTPIsOKFloat(medianv)) {

            painter.save();
            painter.setPen(p);
            painter.setBrush(b);


            double p25=transformX(p25v);
            double p75=transformX(p75v);
            double min=transformX(minv);
            double max=transformX(maxv);
            double median=transformX(medianv);


            //std::cout<<"boxplot(med="<<medianv<<", min="<<minv<<", max="<<maxv<<", p25="<<p25v<<", p75="<<p75v<<")\n";
            double y=transformY(yv);
            double minstop=p25;
            double maxstop=p75;
            if (percentile25Column<0 && medianColumn>=0) minstop=median;
            else if (percentile25Column<0 && maxColumn>=0) minstop=max;
            else if (percentile25Column<0 && meanColumn>=0) minstop=mean;
            if (percentile75Column<0 && medianColumn>=0) maxstop=median;
            else if (percentile75Column<0 && minColumn>=0) maxstop=min;
            else if (percentile75Column<0 && meanColumn>=0) maxstop=mean;

            double yn=y+1;
            if (i+1<imax) yn=transformY(datastore->get(posColumn,i+1));
            else if (i-1>=0) yn=transformY(datastore->get(posColumn,i-1));
            else yn=y+1;
            double delta=fabs(yn-y);
            double w=((boxwidth_real>0)?boxwidth_real:(delta))*boxWidth;
            double yma=y-w/2.0;
            double ymi=y+w/2.0;
            double yma4=y+w/4.0;
            double ymi4=y-w/4.0;

            if (imax<=1) {
                ymi=transformY(yv+boxWidth/2.0);
                yma=transformY(yv-boxWidth/2.0);
                yma4=transformY(yv+boxWidth/4.0);
                ymi4=transformY(yv-boxWidth/4.0);
            }
            if (minColumn>=0) {
                lines_p.append(QLineF(min, ymi4, min, yma4));
                lines_pw.append(QLineF(min, y, minstop, y));
            }
            if (maxColumn>=0) {
                lines_p.append(QLineF(max, ymi4, max, yma4));
                lines_pw.append(QLineF(max, y, maxstop, y));
            }
            if (percentile25Column>=0 && percentile75Column>=0) painter.drawRect(QRectF(p25, qMin(yma,ymi), fabs(p75-p25), fabs(yma-ymi)));
            if (medianColumn>=0) lines_p.append(QLineF(median, ymi-p.widthF()/2.0, median, yma+p.widthF()/2.0));

            if (meanColumn>=0 && JKQTPIsOKFloat(mean)) {
                JKQTPPlotSymbol(painter, mean, y, meanSymbol, parent->pt2px(painter, meanSymbolSize), parent->pt2px(painter, meanSymbolWidth*parent->get_lineWidthMultiplier()), color, fillColor);
            }

            //first=true;
            painter.setPen(p);
            if (lines_p.size()>0) painter.drawLines(lines_p);
            painter.setPen(pw);
            if (lines_pw.size()>0) painter.drawLines(lines_pw);
            painter.restore();
        }

    }

    painter.restore();

    drawErrorsAfter(painter);
}





















JKQTPBoxplotVerticalElement::JKQTPBoxplotVerticalElement(JKQTBasePlotter* parent):
    JKQTPPlotObject(parent)
{
    pos=0;
    median=0;
    mean=0;
    min=-1;
    max=1;
    drawMean=true;
    drawMinMax=true;
    percentile25=-0.75;
    percentile75=0.75;
    color=QColor("red");
    fillColor=QColor("white");
    fillStyle=Qt::SolidPattern;
    whiskerStyle=Qt::SolidLine;
    lineWidth=1;
    boxWidth=16;
    meanSymbol=JKQTPPlus;
    meanSymbolWidth=1;
    meanSymbolSize=12;

    if (parent) { // get style settings from parent object
        parentPlotStyle=parent->getNextStyle();
        //std::cout<<"got style settings from parent: "<<parentPlotStyle<<std::endl;
        color=parent->getPlotStyle(parentPlotStyle).color();
        whiskerStyle=parent->getPlotStyle(parentPlotStyle).style();
    }

}

JKQTPBoxplotVerticalElement::JKQTPBoxplotVerticalElement(JKQTPlotter* parent):
    JKQTPPlotObject(parent)
{
    pos=0;
    median=0;
    mean=0;
    min=-1;
    max=1;
    drawMean=true;
    drawMinMax=true;
    percentile25=-0.75;
    percentile75=0.75;
    color=QColor("red");
    fillColor=QColor("white");
    fillStyle=Qt::SolidPattern;
    whiskerStyle=Qt::SolidLine;
    lineWidth=1;
    boxWidth=16;
    meanSymbol=JKQTPPlus;
    meanSymbolWidth=1;
    meanSymbolSize=12;

    if (parent) { // get style settings from parent object
        parentPlotStyle=parent->getNextStyle();
        //std::cout<<"got style settings from parent: "<<parentPlotStyle<<std::endl;
        color=parent->getPlotStyle(parentPlotStyle).color();
        whiskerStyle=parent->getPlotStyle(parentPlotStyle).style();
    }

}
void JKQTPBoxplotVerticalElement::draw(JKQTPEnhancedPainter& painter) {
#ifdef JKQTBP_AUTOTIMER
    JKQTPAutoOutputTimer jkaaot("JKQTPBoxplotVerticalElement::draw");
#endif
    if (parent==nullptr) return;

    //drawErrorsBefore(painter);

    painter.save();

    QPen p=painter.pen();
    p.setColor(color);
    p.setWidthF(qMax(JKQTPLOTTER_ABS_MIN_LINEWIDTH, parent->pt2px(painter, lineWidth*parent->get_lineWidthMultiplier())));
    p.setJoinStyle(Qt::RoundJoin);
    p.setJoinStyle(Qt::RoundJoin);
    p.setCapStyle(Qt::RoundCap);
    QPen pw=p;
    pw.setStyle(whiskerStyle);
    QPen np(Qt::NoPen);

    QBrush b=painter.brush();
    b.setColor(fillColor);
    b.setStyle(fillStyle);


    double xv=pos;
    double p25v=percentile25;
    double p75v=percentile75;
    double minv=min;
    double maxv=max;
    double medianv=median;

    //std::cout<<"(xv, yv) =    ( "<<xv<<", "<<yv<<" )\n";
    if (JKQTPIsOKFloat(xv) && JKQTPIsOKFloat(p25v) &&
        JKQTPIsOKFloat(p75v) && JKQTPIsOKFloat(minv) &&
        JKQTPIsOKFloat(maxv) && JKQTPIsOKFloat(medianv) ) {

        //std::cout<<"boxplot(med="<<medianv<<", min="<<minv<<", max="<<maxv<<", p25="<<p25v<<", p75="<<p75v<<")\n";
        double x=transformX(xv);
        double p25=transformY(p25v);
        double p75=transformY(p75v);
        double min=transformY(minv);
        double max=transformY(maxv);
        double median=transformY(medianv);

        double w=boxWidth;
        double xma=x+w/2.0;
        double xmi=x-w/2.0;

        painter.save();
        painter.setPen(p);
        painter.save();
        painter.setBrush(b);
        painter.drawRect(QRectF(xmi, p75, fabs(xma-xmi), fabs(p75-p25)));
        painter.restore();
        if (drawMedian) {
            painter.drawLine(QLineF(xmi, median, xma, median));
        }
        if (drawMinMax) {
            painter.drawLine(QLineF(x-w/4.0, max, x+w/4.0, max));
            painter.drawLine(QLineF(x-w/4.0, min, x+w/4.0, min));
            painter.setPen(pw);
            painter.drawLine(QLineF(x, max, x, p75));
            painter.drawLine(QLineF(x, min, x, p25));
        }
        painter.restore();

        if (drawMean) {
            double mean=transformY(this->mean);
            JKQTPPlotSymbol(painter, x, mean, meanSymbol, parent->pt2px(painter, meanSymbolSize), parent->pt2px(painter, meanSymbolWidth*parent->get_lineWidthMultiplier()), color, fillColor);
        }


    }
    painter.restore();

    //drawErrorsAfter(painter);
}


bool JKQTPBoxplotVerticalElement::getXMinMax(double& minx, double& maxx, double& smallestGreaterZero) {
    minx=0;
    maxx=0;
    smallestGreaterZero=0;

    if (parent==nullptr) return false;

    double xv=pos;
    double w=0;
    double xma=xv+w;
    double xmi=xv-w;
    maxx=xma;
    minx=xmi;
    double xvsgz;
    xvsgz=xmi; SmallestGreaterZeroCompare_xvsgz();
    xvsgz=xma; SmallestGreaterZeroCompare_xvsgz();
    return true;
}

bool JKQTPBoxplotVerticalElement::getYMinMax(double& miny, double& maxy, double& smallestGreaterZero) {
    miny=0;
    maxy=0;
    smallestGreaterZero=0;

    if (parent==nullptr) return false ;


        double p25=percentile25;
        double p75=percentile75;
        if (drawMedian) {
            maxy=median;
            miny=median;
        } else {
            maxy=p75;
            miny=p25;
        }
        if (p25>maxy) maxy=p25;
        if (p25<miny) miny=p25;
        if (p75>maxy) maxy=p75;
        if (p75<miny) miny=p75;
        if (min>maxy) maxy=min;
        if (drawMinMax && (min<miny)) miny=min;
        if (drawMinMax && (max>maxy)) maxy=max;
        if (drawMinMax && (max<miny)) miny=max;

        double xvsgz;
        xvsgz=median; SmallestGreaterZeroCompare_xvsgz();
        xvsgz=p25; SmallestGreaterZeroCompare_xvsgz();
        xvsgz=p75; SmallestGreaterZeroCompare_xvsgz();
        xvsgz=min; SmallestGreaterZeroCompare_xvsgz();
        xvsgz=max; SmallestGreaterZeroCompare_xvsgz();
        return true;
}


void JKQTPBoxplotVerticalElement::drawKeyMarker(JKQTPEnhancedPainter& painter, QRectF& rect) {
    painter.save();
    QPen p=painter.pen();
    p.setColor(color);
    p.setWidthF(qMax(JKQTPLOTTER_ABS_MIN_LINEWIDTH, parent->pt2px(painter, lineWidth*parent->get_lineWidthMultiplier())));
    p.setJoinStyle(Qt::RoundJoin);
    p.setJoinStyle(Qt::RoundJoin);
    p.setCapStyle(Qt::RoundCap);
    QPen pw=p;
    pw.setStyle(whiskerStyle);
    QPen np(Qt::NoPen);

    QBrush b=painter.brush();
    b.setColor(fillColor);
    b.setStyle(fillStyle);

    double x=rect.left()+rect.width()/2.0;
    double xma=x+rect.width()/2.5;
    double xmi=x-rect.width()/2.5;
    double min=rect.bottom();
    double max=rect.top();
    double median=max+rect.height()/2.0;
    double w=rect.width()/1.8;
    double p25=max+0.75*rect.height();
    double p75=max+0.25*rect.height();

    painter.setPen(p);
    painter.save();
    painter.setBrush(b);
    painter.drawRect(QRectF(xmi, p75, fabs(xma-xmi), fabs(p75-p25)));
    painter.restore();
    painter.drawLine(QLineF(xmi, median, xma, median));
    painter.drawLine(QLineF(x-w/4.0, max, x+w/4.0, max));
    painter.drawLine(QLineF(x-w/4.0, min, x+w/4.0, min));
    painter.setPen(pw);
    painter.drawLine(QLineF(x, max, x, p75));
    painter.drawLine(QLineF(x, min, x, p25));
    painter.restore();
}

QColor JKQTPBoxplotVerticalElement::getKeyLabelColor() {
    return color;
}




void JKQTPBoxplotHorizontalElement::drawKeyMarker(JKQTPEnhancedPainter& painter, QRectF& rect) {
    painter.save();
    QPen p=painter.pen();
    p.setColor(color);
    p.setWidthF(qMax(JKQTPLOTTER_ABS_MIN_LINEWIDTH, parent->pt2px(painter, lineWidth*parent->get_lineWidthMultiplier())));
    p.setJoinStyle(Qt::RoundJoin);
    p.setJoinStyle(Qt::RoundJoin);
    p.setCapStyle(Qt::RoundCap);

    QPen pw=p;
    pw.setStyle(whiskerStyle);
    QPen np(Qt::NoPen);

    QBrush b=painter.brush();
    b.setColor(fillColor);
    b.setStyle(fillStyle);

    double y=rect.top()+rect.height()/2.0;
    double yma=y+rect.height()/2.5;
    double ymi=y-rect.height()/2.5;
    double min=rect.left();
    double max=rect.right();
    double median=max-rect.width()/2.0;
    double w=rect.height()/1.8;
    double p25=min+0.75*rect.width();
    double p75=min+0.25*rect.width();

    painter.setPen(p);
    painter.save();
    painter.setBrush(b);
    painter.drawRect(QRectF(p75, ymi, fabs(p75-p25), fabs(yma-ymi)));
    painter.restore();
    painter.drawLine(QLineF(median, ymi, median, yma));
    painter.drawLine(QLineF(max, y-w/4.0, max, y+w/4.0));
    painter.drawLine(QLineF(min, y-w/4.0, min, y+w/4.0));
    painter.setPen(pw);
    painter.drawLine(QLineF(max, y, p75, y));
    painter.drawLine(QLineF(min, y, p25, y));
    painter.restore();
}

bool JKQTPBoxplotHorizontalElement::getXMinMax(double& minx, double& maxx, double& smallestGreaterZero) {
    minx=0;
    maxx=0;
    smallestGreaterZero=0;

    if (parent==nullptr) return false;


    double p25=percentile25;
    double p75=percentile75;
    if (drawMedian) {
        maxx=median;
        minx=median;
    } else {
        maxx=p75;
        minx=p25;
    }
    if (p25>maxx) maxx=p25;
    if (p25<minx) minx=p25;
    if (p75>maxx) maxx=p75;
    if (p75<minx) minx=p75;
    if (min>maxx) maxx=min;
    if (drawMinMax && (min<minx)) minx=min;
    if (drawMinMax && (max>maxx)) maxx=max;
    if (drawMinMax && (max<minx)) minx=max;

    double xvsgz;
    xvsgz=median; SmallestGreaterZeroCompare_xvsgz();
    xvsgz=p25; SmallestGreaterZeroCompare_xvsgz();
    xvsgz=p75; SmallestGreaterZeroCompare_xvsgz();
    xvsgz=min; SmallestGreaterZeroCompare_xvsgz();
    xvsgz=max; SmallestGreaterZeroCompare_xvsgz();
    return true;
}

bool JKQTPBoxplotHorizontalElement::getYMinMax(double& miny, double& maxy, double& smallestGreaterZero) {
    miny=0;
    maxy=0;
    smallestGreaterZero=0;

    if (parent==nullptr) return false;

    double xv=pos;
    double w=0;
    double xma=xv+w;
    double xmi=xv-w;
    maxy=xma;
    miny=xmi;
    double xvsgz;
    xvsgz=xmi; SmallestGreaterZeroCompare_xvsgz();
    xvsgz=xma; SmallestGreaterZeroCompare_xvsgz();
    return true;

}

JKQTPBoxplotHorizontalElement::JKQTPBoxplotHorizontalElement(JKQTBasePlotter *parent):
    JKQTPBoxplotVerticalElement(parent)
{
}

JKQTPBoxplotHorizontalElement::JKQTPBoxplotHorizontalElement(JKQTPlotter *parent):
    JKQTPBoxplotVerticalElement(parent)
{
}

void JKQTPBoxplotHorizontalElement::draw(JKQTPEnhancedPainter& painter) {
#ifdef JKQTBP_AUTOTIMER
    JKQTPAutoOutputTimer jkaaot("JKQTPBoxplotHorizontalElement::draw");
#endif
    if (parent==nullptr) return;

    //drawErrorsBefore(painter);

    painter.save();

    QPen p=painter.pen();
    p.setColor(color);
    p.setWidthF(qMax(JKQTPLOTTER_ABS_MIN_LINEWIDTH, parent->pt2px(painter, lineWidth*parent->get_lineWidthMultiplier())));
    p.setJoinStyle(Qt::RoundJoin);
    p.setJoinStyle(Qt::RoundJoin);
    p.setCapStyle(Qt::RoundCap);
    QPen pw=p;
    pw.setStyle(whiskerStyle);
    QPen np(Qt::NoPen);

    QBrush b=painter.brush();
    b.setColor(fillColor);
    b.setStyle(fillStyle);
    double yv=pos;
    double p25v=percentile25;
    double p75v=percentile75;
    double minv=min;
    double maxv=max;
    double medianv=median;

    //std::cout<<"(xv, yv) =    ( "<<xv<<", "<<yv<<" )\n";
    if (JKQTPIsOKFloat(yv) &&
        JKQTPIsOKFloat(p25v) &&
        JKQTPIsOKFloat(p75v) &&
        JKQTPIsOKFloat(minv) &&
        JKQTPIsOKFloat(maxv) &&
        JKQTPIsOKFloat(medianv)) {

        //std::cout<<"boxplot(med="<<medianv<<", min="<<minv<<", max="<<maxv<<", p25="<<p25v<<", p75="<<p75v<<")\n";
        double y=transformY(yv);
        double p25=transformX(p25v);
        double p75=transformX(p75v);
        double min=transformX(minv);
        double max=transformX(maxv);
        double median=transformX(medianv);

        double w= parent->pt2px(painter, boxWidth);
        double yma=y+w/2.0;
        double ymi=y-w/2.0;

        painter.save();
        painter.setPen(p);
        painter.save();
        painter.setBrush(b);
        painter.drawRect(QRectF(p25, ymi, fabs(p75-p25), fabs(yma-ymi)));
        painter.restore();
        if (drawMedian) {
            painter.drawLine(QLineF(median, ymi, median, yma));
        }
        if (drawMinMax) {
            painter.drawLine(QLineF(max, y-w/4.0, max, y+w/4.0));
            painter.drawLine(QLineF(min, y-w/4.0, min, y+w/4.0));
            painter.setPen(pw);
            painter.drawLine(QLineF(max, y, p75, y));
            painter.drawLine(QLineF(min, y, p25, y));
        }
        painter.restore();

        if (drawMean) {
            double mean=transformY(this->mean);
            JKQTPPlotSymbol(painter, mean, y, meanSymbol, parent->pt2px(painter, meanSymbolSize), parent->pt2px(painter, meanSymbolWidth*parent->get_lineWidthMultiplier()), color, fillColor);
        }

    }
    painter.restore();

    //drawErrorsAfter(painter);
}






QPen JKQTPBoxplotVerticalGraph::getLinePen(JKQTPEnhancedPainter& painter) const {
    QPen p;
    p.setColor(color);
    p.setWidthF(qMax(JKQTPLOTTER_ABS_MIN_LINEWIDTH,parent->pt2px(painter, parent->get_lineWidthMultiplier()*lineWidth)));
    p.setJoinStyle(Qt::RoundJoin);
    p.setCapStyle(Qt::RoundCap);

    return p;
}

void JKQTPBoxplotVerticalGraph::intSortData()
{
    sortedIndices.clear();



    if (parent==nullptr)  return ;

    JKQTPDatastore* datastore=parent->getDatastore();
    int imin=0;
    int imax=datastore->getColumn(posColumn).getRows();
    // interpret data ranges
    if (datarange_start>-1) {
        imin=qMin(datarange_start, static_cast<int>(imax));
    }
    if (datarange_end>-1) {
        imax=qMin(datarange_end, static_cast<int>(imax));
    }
    if (imax<imin) {
        int h=imin;
        imin=imax;
        imax=h;
    }
    if (imin<0) imin=0;
    if (imax<0) imax=0;

    QVector<double> datas;

    if (sortData==JKQTPBoxplotVerticalGraph::Sorted) {

        for (int i=0; i<imax; i++) {
            double xv=datastore->get(posColumn,i);
            sortedIndices<<i;
            datas<<xv;
        }

        jkqtpSort(datas.data(), sortedIndices.data(), datas.size());


    }
}

QBrush JKQTPBoxplotVerticalGraph::getBrush(JKQTPEnhancedPainter& /*painter*/) const {
    QBrush b;
    b.setColor(fillColor);
    b.setStyle(fillStyle);
    return b;
}

QBrush JKQTPBoxplotVerticalElement::getBrush(JKQTPEnhancedPainter& /*painter*/) const {
    QBrush b;
    b.setColor(fillColor);
    b.setStyle(fillStyle);
    return b;
}

QPen JKQTPBoxplotVerticalElement::getLinePen(JKQTPEnhancedPainter& painter) const {
    QPen p;
    p.setColor(color);
    p.setWidthF(qMax(JKQTPLOTTER_ABS_MIN_LINEWIDTH,parent->pt2px(painter, parent->get_lineWidthMultiplier()*lineWidth)));
    p.setJoinStyle(Qt::RoundJoin);
    p.setCapStyle(Qt::RoundCap);

    return p;
}