#include <qapplication.h>#include <qfile.h>#include "plotter.h"void readFlightCurves(Plotter *plotter, const QString &fileName){    CurveData data[6];    double factX = 0.0013;    double factY[6] = { 0.0008, 0.1, 0.2, 0.2, 0.1, 0.8 };    double offsetY[6] = { +500, -55, +309, +308, 0, 0 };    int pos[6] = { 3, 6, 7, 8, 9, 10 };    QFile file(fileName);    double offsetX = 0.0;    if (file.open(IO_ReadOnly)) {        QTextStream in(&file);        while (!in.atEnd()) {            QString line = in.readLine();            QStringList coords = QStringList::split(" ", line);            if (coords.size() >= 6) {                double x = factX * coords[0].toDouble();                if (data[0].size() == 0)                    offsetX = x;                for (int i = 0; i < 6; ++i) {                    double y = coords[pos[i]].toDouble();                    data[i].push_back(x - offsetX);                    data[i].push_back(factY[i] * (y - offsetY[i]));                }            }        }    }    plotter->setCurveData(0, data[0]);    plotter->setCurveData(1, data[1]);    plotter->setCurveData(2, data[2]);    plotter->setCurveData(3, data[3]);    plotter->setCurveData(4, data[4]);    plotter->setCurveData(5, data[5]);}int main(int argc, char *argv[]){    QApplication app(argc, argv);    Plotter plotter;    plotter.setCaption(QObject::tr("Plotter"));    readFlightCurves(&plotter, "in1.txt");    app.setMainWidget(&plotter);    plotter.show();    return app.exec();}