void WindPlot::updatePlot()
{
    clearPlottables();
    clearItems();

    // Return now if plot empty
    if (mMainWindow->dataSize() == 0) return;

    double lower = mMainWindow->rangeLower();
    double upper = mMainWindow->rangeUpper();

    QVector< double > t, x, y;

    double xMin, xMax;
    double yMin, yMax;

    int start = mMainWindow->findIndexBelowT(lower) + 1;
    int end   = mMainWindow->findIndexAboveT(upper);

    bool first = true;
    for (int i = start; i < end; ++i)
    {
        const DataPoint &dp = mMainWindow->dataPoint(i);

        t.append(dp.t);

        if (mMainWindow->units() == PlotValue::Metric)
        {
            x.append(dp.velE * MPS_TO_KMH);
            y.append(dp.velN * MPS_TO_KMH);
        }
        else
        {
            x.append(dp.velE * MPS_TO_MPH);
            y.append(dp.velN * MPS_TO_MPH);
        }

        if (first)
        {
            xMin = xMax = x.back();
            yMin = yMax = y.back();

            first = false;
        }
        else
        {
            if (x.back() < xMin) xMin = x.back();
            if (x.back() > xMax) xMax = x.back();

            if (y.back() < yMin) yMin = y.back();
            if (y.back() > yMax) yMax = y.back();
        }
    }

    QCPCurve *curve = new QCPCurve(xAxis, yAxis);
    curve->setData(t, x, y);
    curve->setPen(QPen(Qt::lightGray, mMainWindow->lineThickness()));

    setViewRange(xMin, xMax, yMin, yMax);

    if (mMainWindow->markActive())
    {
        const DataPoint &dpEnd = mMainWindow->interpolateDataT(mMainWindow->markEnd());

        t.clear();
        x.clear();
        y.clear();

        QVector< double > xMark, yMark;

        if (mMainWindow->units() == PlotValue::Metric)
        {
            xMark.append(dpEnd.velE * MPS_TO_KMH);
            yMark.append(dpEnd.velN * MPS_TO_KMH);
        }
        else
        {
            xMark.append(dpEnd.velE * MPS_TO_MPH);
            yMark.append(dpEnd.velN * MPS_TO_MPH);
        }

        QCPGraph *graph = addGraph();
        graph->setData(xMark, yMark);
        graph->setPen(QPen(Qt::black, mMainWindow->lineThickness()));
        graph->setLineStyle(QCPGraph::lsNone);
        graph->setScatterStyle(QCPScatterStyle::ssDisc);
    }

    updateWind(start, end);

    QVector< double > xMark, yMark;

    if (mMainWindow->units() == PlotValue::Metric)
    {
        xMark.append(mWindE * MPS_TO_KMH);
        yMark.append(mWindN * MPS_TO_KMH);
    }
    else
    {
        xMark.append(mWindE * MPS_TO_MPH);
        yMark.append(mWindN * MPS_TO_MPH);
    }

    QCPGraph *graph = addGraph();
    graph->setData(xMark, yMark);
    graph->setPen(QPen(Qt::red, mMainWindow->lineThickness()));
    graph->setLineStyle(QCPGraph::lsNone);
    graph->setScatterStyle(QCPScatterStyle::ssDisc);

    const double x0 = mWindE;
    const double y0 = mWindN;
    const double r = mVelAircraft;

    QVector< double > tCircle, xCircle, yCircle;

    for (int i = 0; i <= 100; ++i)
    {
        tCircle.append(i);

        const double x = x0 + r * cos((double) i / 100 * 2 * M_PI);
        const double y = y0 + r * sin((double) i / 100 * 2 * M_PI);

        if (mMainWindow->units() == PlotValue::Metric)
        {
            xCircle.append(x * MPS_TO_KMH);
            yCircle.append(y * MPS_TO_KMH);
        }
        else
        {
            xCircle.append(x * MPS_TO_MPH);
            yCircle.append(y * MPS_TO_MPH);
        }
    }

    curve = new QCPCurve(xAxis, yAxis);
    curve->setData(tCircle, xCircle, yCircle);
    curve->setPen(QPen(Qt::red, mMainWindow->lineThickness()));

    // Add label to show best fit
    QCPItemText *textLabel = new QCPItemText(this);

    const double factor = (mMainWindow->units() == PlotValue::Metric) ? MPS_TO_KMH : MPS_TO_MPH;
    const QString units = (mMainWindow->units() == PlotValue::Metric) ? "km/h" : "mph";

    double direction = atan2(-mWindE, -mWindN) / M_PI * 180.0;
    if (direction < 0) direction += 360.0;

    QPainter painter(this);
    double mmPerPix = (double) painter.device()->widthMM() / painter.device()->width();

    double xRatioPerPix = 1.0 / axisRect()->width();
    double xRatioPerMM = xRatioPerPix / mmPerPix;

    double yRatioPerPix = 1.0 / axisRect()->height();
    double yRatioPerMM = yRatioPerPix / mmPerPix;

    textLabel->setPositionAlignment(Qt::AlignBottom|Qt::AlignRight);
    textLabel->setTextAlignment(Qt::AlignRight);
    textLabel->position->setType(QCPItemPosition::ptAxisRectRatio);
    textLabel->position->setCoords(1 - 5 * xRatioPerMM,
                                   1 - 5 * yRatioPerMM);
    textLabel->setText(
                QString("Wind speed = %1 %2\nWind direction = %3 deg\nAircraft speed = %4 %5")
                    .arg(sqrt(mWindE * mWindE + mWindN * mWindN) * factor)
                    .arg(units)
                    .arg(direction)
                    .arg(mVelAircraft * factor)
                    .arg(units));

    replot();
}
Exemple #2
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void MainWindow::genMarginGroup()
{
  resetPlot();
  
  customPlot->plotLayout()->clear();
  customPlot->plotLayout()->addElement(0, 0, new QCPAxisRect(customPlot));
  customPlot->plotLayout()->addElement(0, 1, new QCPAxisRect(customPlot));
  customPlot->plotLayout()->addElement(1, 0, new QCPAxisRect(customPlot));
  customPlot->plotLayout()->addElement(1, 1, new QCPAxisRect(customPlot));
  
  foreach (QCPAxisRect *r, customPlot->axisRects())
    r->axis(QCPAxis::atBottom)->setTickLabels(false);
  
  QCPMarginGroup *marginGroup = new QCPMarginGroup(customPlot);
  customPlot->axisRect(0)->setMarginGroup(QCP::msLeft, marginGroup);
  customPlot->axisRect(2)->setMarginGroup(QCP::msLeft, marginGroup);
  
  customPlot->axisRect(0)->axis(QCPAxis::atLeft)->setRange(0, 1300);
  customPlot->axisRect(1)->axis(QCPAxis::atLeft)->setRange(0, 1300);
  customPlot->axisRect(0)->axis(QCPAxis::atLeft)->setLabel("y");
  customPlot->axisRect(1)->axis(QCPAxis::atLeft)->setLabel("y");
  
  customPlot->plotLayout()->setAutoMargins(QCP::msLeft|QCP::msRight|QCP::msBottom);
  customPlot->plotLayout()->setMargins(QMargins(0, 25, 0, 0));
  
  QFont textFont;
  textFont.setBold(true);
  QCPItemText *leftCaption = new QCPItemText(customPlot);
  customPlot->addItem(leftCaption);
  leftCaption->position->setType(QCPItemPosition::ptViewportRatio);
  leftCaption->setClipToAxisRect(false);
  leftCaption->position->setCoords(0.25, 0);
  leftCaption->setPositionAlignment(Qt::AlignTop|Qt::AlignHCenter);
  leftCaption->setText("left sides in margin group");
  leftCaption->setFont(textFont);
  QCPItemText *rightCaption = new QCPItemText(customPlot);
  customPlot->addItem(rightCaption);
  rightCaption->position->setType(QCPItemPosition::ptViewportRatio);
  rightCaption->position->setCoords(0.75, 0);
  rightCaption->setClipToAxisRect(false);
  rightCaption->setPositionAlignment(Qt::AlignTop|Qt::AlignHCenter);
  rightCaption->setText("no margin group");
  rightCaption->setFont(textFont);
  
  QCPItemLine *splitter = new QCPItemLine(customPlot);
  splitter->start->setType(QCPItemPosition::ptViewportRatio);
  splitter->start->setCoords(0.5, 0);
  splitter->end->setType(QCPItemPosition::ptViewportRatio);
  splitter->end->setCoords(0.5, 1);
  splitter->setClipToAxisRect(false);
  splitter->setPen(QPen(Qt::gray, 0, Qt::DashLine));
  
  customPlot->savePng(dir.filePath("QCPMarginGroup.png"), 400, 400);
}
Exemple #3
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/*! \brief Constructor of the class.
 *
 *  \param title the title of the plotter
 *  \param gridx the x pos in the grid
 *  \param gridy the y pos in the grid
 *  \param hspan the horizonatl span
 *  \param vspan the vertical span
 *  \param minval the minimum scale value
 *  \param maxval the maximium scale value
 *  \param size number of sample of datas in plotter
 *  \param bgcolor the background color of the plotter
 *  \param autorescale not used
 */
Plotter::Plotter(const QString &title, int gridx, int gridy, int hspan, int vspan, float minval, float maxval, int size, const QString &bgcolor, bool autorescale,  QObject *parent) :
    QObject(parent)
{
    Q_UNUSED(autorescale);
    this->title = title;
    this->gridx = gridx;
    this->gridy = gridy;
    this->hspan = hspan;
    this->vspan = vspan;
    this->minval = minval;
    this->maxval = maxval;
    this->size = size;
    initialSize = size;
    start = 0;
    this->bgcolor = bgcolor;
    interact = false;

    connect(customPlot.axisRect(),SIGNAL(zoomRequest()),this,SLOT(onInteract()));
    connect(customPlot.axisRect(),SIGNAL(dragStarted()),this,SLOT(onInteract()));

    customPlot.axisRect()->setBackground(QBrush(QColor(bgcolor)));
    customPlot.axisRect()->setupFullAxesBox(true);
    customPlot.axisRect()->axis(QCPAxis::atBottom)->setTickLabelType(QCPAxis::ltNumber);
    customPlot.axisRect()->axis(QCPAxis::atBottom)->setAutoTickStep(false);
    customPlot.axisRect()->axis(QCPAxis::atBottom)->setTickStep(25);
    customPlot.axisRect()->axis(QCPAxis::atBottom)->setRange(0,size);
    customPlot.axisRect()->axis(QCPAxis::atLeft)->setRange(minval, maxval);
    customPlot.setInteractions( QCP::iRangeDrag | QCP::iRangeZoom  );
    QCPItemText *textLabel = new QCPItemText(&customPlot);
    customPlot.addItem(textLabel);
    textLabel->setPositionAlignment(Qt::AlignTop|Qt::AlignHCenter);
    textLabel->position->setType(QCPItemPosition::ptAxisRectRatio);
    textLabel->position->setCoords(0.5, 0); // place position at center/top of axis rect
    textLabel->setText(title);

    connect(customPlot.xAxis, SIGNAL(rangeChanged(QCPRange)), customPlot.xAxis2, SLOT(setRange(QCPRange)));
    connect(customPlot.yAxis, SIGNAL(rangeChanged(QCPRange)), customPlot.yAxis2, SLOT(setRange(QCPRange)));

}
Exemple #4
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void smart_plot::mousePress(QMouseEvent *event)
{
    static double prevKey, prevValue;

    if(event->button() == Qt::MiddleButton)
    {
        QCPAbstractPlottable *plottable = activePlot()->plottableAt(event->localPos());

        if(plottable)
        {
            QCPGraph *graph = qobject_cast<QCPGraph*>(plottable);
            plot_analytics analytics;
            plotStats stats;

            if(graph)
            {
                //Do diff by % range vs
                double mouseKey = graph->keyAxis()->pixelToCoord(event->localPos().x());
                double mouseValue = graph->valueAxis()->pixelToCoord(event->localPos().y());
                double keyRange = graph->keyAxis()->range().size();
                double keyDistance_no_abs = 0;
                double value = 0;
                double key = 0;

                bool ok = false;
                double m = std::numeric_limits<double>::max();
                //QCPGraphDataContainer
                analytics.plotAnalyze( graph, &stats, graph->keyAxis()->range());

                //Iterate through on screen data and see which point is closest
                QCPGraphDataContainer::const_iterator QCPGraphDataBegin = graph->data().data()->findBegin(graph->keyAxis()->range().lower,true);
                QCPGraphDataContainer::const_iterator QCPGraphDataEnd = graph->data().data()->findEnd(graph->keyAxis()->range().upper,true);
                for (QCPGraphDataContainer::const_iterator QCPGraphDataIt=QCPGraphDataBegin; QCPGraphDataIt!=QCPGraphDataEnd; ++QCPGraphDataIt)
                {
                    double valueRange = graph->valueAxis()->range().size();
                    double keyDistance = qAbs(mouseKey - QCPGraphDataIt->key)/keyRange;
                    double valueDistance = qAbs(mouseValue - QCPGraphDataIt->value)/valueRange;

                    if( (valueDistance + keyDistance) < m )
                    {
                        value = QCPGraphDataIt->value;
                        key = QCPGraphDataIt->key;
                        keyDistance_no_abs = mouseKey - QCPGraphDataIt->key;
                        ok = true;
                        m = (valueDistance + keyDistance);
                    }
                }
//                qDebug () << QDateTime::fromTime_t((int)mouseKey) << value;

                if(ok)
                {
                    QToolTip::hideText();

                    if(!qSharedPointerDynamicCast<QCPAxisTickerDateTime>(graph->keyAxis()->ticker()).isNull())
                    {
                        if(QApplication::keyboardModifiers().testFlag(Qt::ControlModifier))
                        {
                            quint32 timeDelta = qAbs(mouseKey-prevKey);

                            // add the bracket at the top:
                            QCPItemBracket *bracket = new QCPItemBracket(activePlot());
                            bracket->left->setAxes(graph->keyAxis(), graph->valueAxis());
                            bracket->left->setCoords(prevKey, value);
                            bracket->right->setAxes(graph->keyAxis(), graph->valueAxis());
                            bracket->right->setCoords(mouseKey, value);

                            // add the text label at the top:
                            QCPItemText *wavePacketText = new QCPItemText(activePlot());
                            wavePacketText->position->setParentAnchor(bracket->center);
                            wavePacketText->position->setCoords(0, -10); // move 10 pixels to the top from bracket center anchor
                            wavePacketText->setPositionAlignment(Qt::AlignBottom|Qt::AlignHCenter);
                            wavePacketText->setText(
                                QString("%L1: ΔX->%L2 ΔY->%L3").
                                   arg(graph->name().isEmpty() ? "..." : graph->name()).
                                   arg(seconds_to_DHMS(timeDelta)).
                                   arg(value-prevValue));
                            wavePacketText->setFont(QFont(font().family(), 12));
                            activePlot()->replot();
                        }
                        else if(QApplication::keyboardModifiers().testFlag(Qt::AltModifier))
                        {
                            if(QApplication::keyboardModifiers().testFlag(Qt::ShiftModifier))
                                graph->addData(graph->keyAxis()->pixelToCoord(event->localPos().x()),
                                               graph->valueAxis()->pixelToCoord(event->localPos().y()));
                            else if(keyDistance_no_abs < 0)
                                graph->addData(key - 1, std::numeric_limits<double>::quiet_NaN());
                            else
                                graph->addData(key + 1, std::numeric_limits<double>::quiet_NaN());

                            activePlot()->replot();
                        }
                        else if(QApplication::keyboardModifiers().testFlag(Qt::ShiftModifier))
                        {
                            //Delete point
                            graph->data().data()->remove(key);
                            activePlot()->replot();
                        }
                        //Hold Alt to insert NAN(Break link?)
                        else
                        {
                            QDateTime dateTime;
                            dateTime.setTime_t(mouseKey);

                            //activePlot()->xAxis->tick
                            QToolTip::showText(event->globalPos(),
                            QString("<table>"
                                    "<tr>" "<th colspan=\"2\">%L1</th>"  "</tr>"
                                    "<tr>" "<td>X:</td>"   "<td>%L2</td>" "</tr>"
                                    "<tr>" "<td>Y:</td>"   "<td>%L3</td>" "</tr>"
                                    "<tr>" "<td>Min:</td>" "<td>%L4</td>" "</tr>"
                                    "<tr>" "<td>Avg:</td>" "<td>%L5</td>" "</tr>"
                                    "<tr>" "<td>Max:</td>" "<td>%L6</td>" "</tr>"
                                   "</table>").
                               arg(graph->name().isEmpty() ? "..." : graph->name()).
                               arg(dateTime.toString(qSharedPointerDynamicCast<QCPAxisTickerDateTime>(graph->keyAxis()->ticker())->dateTimeFormat())).
                               arg(value).
                               arg(stats.minValue).
                               arg(stats.avgValue).
                               arg(stats.maxValue),
                               activePlot(), activePlot()->rect());
                        }
                    }
                    else
                    {
                        QToolTip::showText(event->globalPos(),
                        QString("<table>"
                                "<tr>" "<th colspan=\"2\">%L1</th>"  "</tr>"
                                "<tr>" "<td>X:</td>"   "<td>%L2</td>" "</tr>"
                                "<tr>" "<td>Y:</td>"   "<td>%L3</td>" "</tr>"
                                "<tr>" "<td>Min:</td>" "<td>%L4</td>" "</tr>"
                                "<tr>" "<td>Avg:</td>" "<td>%L5</td>" "</tr>"
                                "<tr>" "<td>Max:</td>" "<td>%L6</td>" "</tr>"
                               "</table>").
                           arg(graph->name().isEmpty() ? "..." : graph->name()).
                           arg(mouseKey).
                           arg(value).
                           arg(stats.minValue).
                           arg(stats.avgValue).
                           arg(stats.maxValue),
                           activePlot(), activePlot()->rect());
                    }
                }

                prevKey = mouseKey;
                prevValue = value;
            }
        }
    }
}
void LiftDragPlot::updatePlot()
{
    clearPlottables();
    clearItems();

    xAxis->setLabel(tr("Drag Coefficient"));
    yAxis->setLabel(tr("Lift Coefficient"));

    double lower = mMainWindow->rangeLower();
    double upper = mMainWindow->rangeUpper();

    QVector< double > t, x, y;

    double xMin, xMax;
    double yMin, yMax;

    int start = mMainWindow->findIndexBelowT(lower) + 1;
    int end   = mMainWindow->findIndexAboveT(upper);

    double s10 = 0, s01 = 0, s20 = 0, s11 = 0;
    double s21 = 0, s30 = 0, s40 = 0;

    bool first = true;
    for (int i = start; i < end; ++i)
    {
        const DataPoint &dp = mMainWindow->dataPoint(i);

        t.append(dp.t);
        x.append(dp.drag);
        y.append(dp.lift);

        if (first)
        {
            xMax = x.back();
            yMax = y.back();

            first = false;
        }
        else
        {
            if (x.back() > xMax) xMax = x.back();
            if (y.back() > yMax) yMax = y.back();
        }

        s10 += dp.lift;
        s01 += dp.drag;
        s20 += dp.lift * dp.lift;
        s11 += dp.lift * dp.drag;
        s21 += dp.lift * dp.lift * dp.drag;
        s30 += dp.lift * dp.lift * dp.lift;
        s40 += dp.lift * dp.lift * dp.lift * dp.lift;
    }

    QCPCurve *curve = new QCPCurve(xAxis, yAxis);
    curve->setData(t, x, y);
    curve->setPen(QPen(Qt::lightGray, mMainWindow->lineThickness()));
    curve->setLineStyle(QCPCurve::lsNone);
    curve->setScatterStyle(QCPScatterStyle::ssDisc);
    addPlottable(curve);

    setViewRange(xMax, yMax);

    // Update plot limits
    xMin = xAxis->range().lower;
    xMax = xAxis->range().upper;

    yMin = yAxis->range().lower;
    yMax = yAxis->range().upper;

    if (mMainWindow->markActive())
    {
        int i1 = mMainWindow->findIndexBelowT(mMainWindow->markEnd()) + 1;
        int i2 = mMainWindow->findIndexAboveT(mMainWindow->markEnd()) - 1;

        const DataPoint &dp1 = mMainWindow->dataPoint(i1);
        const DataPoint &dp2 = mMainWindow->dataPoint(i2);

        QVector< double > xMark, yMark;

        if (mMainWindow->markEnd() - dp1.t < dp2.t - mMainWindow->markEnd())
        {
            xMark.append(dp1.drag);
            yMark.append(dp1.lift);
        }
        else
        {
            xMark.append(dp2.drag);
            yMark.append(dp2.lift);
        }

        QCPGraph *graph = addGraph();
        graph->setData(xMark, yMark);
        graph->setPen(QPen(Qt::black, mMainWindow->lineThickness()));
        graph->setLineStyle(QCPGraph::lsNone);
        graph->setScatterStyle(QCPScatterStyle::ssDisc);
    }

    // x = ay^2 + c
    const double m = 1 / mMainWindow->maxLD();
    const double c = mMainWindow->minDrag();
    const double a = m * m / (4 * c);

    // Draw tangent line
    const double yt = sqrt(c / a);

    if (a != 0)
    {
        x.clear();
        y.clear();

        x << m * yMin << m * yMax;
        y << yMin << yMax;

        QCPGraph *graph = addGraph();
        graph->setData(x, y);
        graph->setPen(QPen(Qt::blue, mMainWindow->lineThickness(), Qt::DashLine));
    }

    // Draw minimum drag
    x.clear();
    y.clear();

    x << mMainWindow->minDrag() << mMainWindow->minDrag();
    y << yMin << yMax;

    QCPGraph *graph = addGraph();
    graph->setData(x, y);
    graph->setPen(QPen(Qt::blue, mMainWindow->lineThickness(), Qt::DashLine));

    // Draw maximum lift
    x.clear();
    y.clear();

    x << xMin << xMax;
    y << mMainWindow->maxLift() << mMainWindow->maxLift();

    graph = addGraph();
    graph->setData(x, y);
    graph->setPen(QPen(Qt::blue, mMainWindow->lineThickness(), Qt::DashLine));

    // Draw saved curve
    t.clear();
    x.clear();
    y.clear();

    for (int i = 0; i <= 100; ++i)
    {
        const double yy = yMin + (yMax - yMin) / 100 * i;

        t.append(yy);
        x.append(a * yy * yy + c);
        y.append(yy);
    }

    curve = new QCPCurve(xAxis, yAxis);
    curve->setData(t, x, y);
    curve->setPen(QPen(Qt::red, mMainWindow->lineThickness()));
    addPlottable(curve);

    // Draw dot at maximum L/D
    x.clear();
    y.clear();

    x << a * yt * yt + c;
    y << yt;

    graph = addGraph();
    graph->setData(x, y);
    graph->setPen(QPen(Qt::red, mMainWindow->lineThickness()));
    graph->setLineStyle(QCPGraph::lsNone);
    graph->setScatterStyle(QCPScatterStyle::ssDisc);

    // Add label to show equation for saved curve
    QCPItemText *textLabel = new QCPItemText(this);
    addItem(textLabel);

    QPainter painter(this);
    double mmPerPix = (double) painter.device()->widthMM() / painter.device()->width();

    double xRatioPerPix = 1.0 / axisRect()->width();
    double xRatioPerMM = xRatioPerPix / mmPerPix;

    double yRatioPerPix = 1.0 / axisRect()->height();
    double yRatioPerMM = yRatioPerPix / mmPerPix;

    textLabel->setPositionAlignment(Qt::AlignBottom|Qt::AlignRight);
    textLabel->setTextAlignment(Qt::AlignRight);
    textLabel->position->setType(QCPItemPosition::ptAxisRectRatio);
    textLabel->position->setCoords(1 - 5 * xRatioPerMM,
                                   1 - 5 * yRatioPerMM);
    textLabel->setText(
                QString("Minimum drag = %1\nMaximum lift = %2\nMaximum L/D = %3")
                    .arg(fabs(c))
                    .arg(mMainWindow->maxLift())
                    .arg(1/ m));

    replot();
}
FlowViewWindow::FlowViewWindow(const QVector<CANFrame> *frames, QWidget *parent) :
    QDialog(parent),
    ui(new Ui::FlowViewWindow)
{
    ui->setupUi(this);    

    readSettings();

    modelFrames = frames;

    playbackTimer = new QTimer();

    currentPosition = 0;
    playbackActive = false;
    playbackForward = true;

    memset(refBytes, 0, 8);
    memset(currBytes, 0, 8);
    memset(triggerValues, -1, sizeof(int) * 8);

    //ui->graphView->setInteractions();

    ui->graphView->xAxis->setRange(0, 8);
    ui->graphView->yAxis->setRange(-10, 265); //run range a bit outside possible number so they aren't plotted in a hard to see place
    ui->graphView->axisRect()->setupFullAxesBox();

    QCPItemText *textLabel = new QCPItemText(ui->graphView);
    ui->graphView->addItem(textLabel);
    textLabel->setPositionAlignment(Qt::AlignTop|Qt::AlignHCenter);
    textLabel->position->setType(QCPItemPosition::ptAxisRectRatio);
    textLabel->position->setCoords(0.5, .5);
    textLabel->setText("+");
    textLabel->setFont(QFont(font().family(), 16)); // make font a bit larger
    textLabel->setPen(QPen(Qt::black)); // show black border around text

    ui->graphView->xAxis->setLabel("Time Axis");
    ui->graphView->yAxis->setLabel("Value Axis");
    QFont legendFont = font();
    legendFont.setPointSize(10);
    QFont legendSelectedFont = font();
    legendSelectedFont.setPointSize(12);
    legendSelectedFont.setBold(true);
    ui->graphView->legend->setFont(legendFont);
    ui->graphView->legend->setSelectedFont(legendSelectedFont);
    ui->graphView->legend->setSelectableParts(QCPLegend::spItems); // legend box shall not be selectable, only legend items
    //ui->graphView->xAxis->setAutoSubTicks(false);
    //ui->graphView->xAxis->setAutoTicks(false);
    ui->graphView->xAxis->setAutoTickStep(false);
    ui->graphView->xAxis->setAutoSubTicks(false);
    ui->graphView->xAxis->setNumberFormat("gb");
    ui->graphView->xAxis->setTickStep(5.0);
    ui->graphView->xAxis->setSubTickCount(0);

    connect(ui->btnBackOne, SIGNAL(clicked(bool)), this, SLOT(btnBackOneClick()));
    connect(ui->btnPause, SIGNAL(clicked(bool)), this, SLOT(btnPauseClick()));
    connect(ui->btnReverse, SIGNAL(clicked(bool)), this, SLOT(btnReverseClick()));
    connect(ui->btnStop, SIGNAL(clicked(bool)), this, SLOT(btnStopClick()));
    connect(ui->btnPlay, SIGNAL(clicked(bool)), this, SLOT(btnPlayClick()));
    connect(ui->btnForwardOne, SIGNAL(clicked(bool)), this, SLOT(btnFwdOneClick()));
    connect(ui->spinPlayback, SIGNAL(valueChanged(int)), this, SLOT(changePlaybackSpeed(int)));
    connect(ui->cbLoopPlayback, SIGNAL(clicked(bool)), this, SLOT(changeLooping(bool)));
    connect(ui->listFrameID, SIGNAL(currentTextChanged(QString)), this, SLOT(changeID(QString)));
    connect(playbackTimer, SIGNAL(timeout()), this, SLOT(timerTriggered()));    
    connect(ui->graphView, SIGNAL(plottableDoubleClick(QCPAbstractPlottable*,QMouseEvent*)), this, SLOT(plottableDoubleClick(QCPAbstractPlottable*,QMouseEvent*)));
    connect(ui->txtTrigger0, SIGNAL(textEdited(QString)), this, SLOT(updateTriggerValues()));
    connect(ui->txtTrigger1, SIGNAL(textEdited(QString)), this, SLOT(updateTriggerValues()));
    connect(ui->txtTrigger2, SIGNAL(textEdited(QString)), this, SLOT(updateTriggerValues()));
    connect(ui->txtTrigger3, SIGNAL(textEdited(QString)), this, SLOT(updateTriggerValues()));
    connect(ui->txtTrigger4, SIGNAL(textEdited(QString)), this, SLOT(updateTriggerValues()));
    connect(ui->txtTrigger5, SIGNAL(textEdited(QString)), this, SLOT(updateTriggerValues()));
    connect(ui->txtTrigger6, SIGNAL(textEdited(QString)), this, SLOT(updateTriggerValues()));
    connect(ui->txtTrigger7, SIGNAL(textEdited(QString)), this, SLOT(updateTriggerValues()));

    connect(MainWindow::getReference(), SIGNAL(framesUpdated(int)), this, SLOT(updatedFrames(int)));

    ui->graphView->setContextMenuPolicy(Qt::CustomContextMenu);
    connect(ui->graphView, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuRequestGraph(QPoint)));
    ui->flowView->setContextMenuPolicy(Qt::CustomContextMenu);
    connect(ui->flowView, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuRequestFlow(QPoint)));

    playbackTimer->setInterval(ui->spinPlayback->value()); //set the timer to the default value of the control
}
GraphVisualizer::GraphVisualizer(QWidget *parent) :
    QCustomPlot(parent),
    labelCoord(NULL)
{
    // Layer pour la position des octaves
    this->addGraph();
    QPen graphPen;
    graphPen.setColor(QColor(0, 0, 0, 40));
    graphPen.setWidth(1);
    this->graph(0)->setPen(graphPen);
    this->graph(0)->setLineStyle(QCPGraph::lsLine);
    for (int i = 0; i < 10; i++)
    {
        int note = 12 * (i + 1);
        QCPItemText *textLabel = new QCPItemText(this);
        listTextOctave << textLabel;
        this->addItem(textLabel);
        textLabel->setPositionAlignment(Qt::AlignBottom|Qt::AlignHCenter);
        textLabel->position->setType(QCPItemPosition::ptPlotCoords);
        textLabel->position->setCoords(note, 0);
        textLabel->setText(Config::getInstance()->getKeyName(note));
        textLabel->setFont(QFont(font().family(), 8));
        textLabel->setColor(QColor(40, 40, 40));
    }

    // Layer des moyennes
    this->addGraph();
    graphPen.setColor(QColor(30, 250, 80));
    graphPen.setWidth(2);
    this->graph(1)->setPen(graphPen);
    this->graph(1)->setLineStyle(QCPGraph::lsNone);
    this->graph(1)->setScatterStyle(QCPScatterStyle(QCPScatterStyle::ssCircle, 7));
    this->graph(1)->setAntialiasedScatters(true);

    // Layer des valeurs
    this->addGraph();
    graphPen.setColor(QColor(100, 130, 250));
    graphPen.setWidth(2);
    this->graph(2)->setPen(graphPen);
    this->graph(2)->setLineStyle(QCPGraph::lsNone);
    this->graph(2)->setScatterStyle(QCPScatterStyle(QCPScatterStyle::ssCross, 5));
    this->graph(2)->setAntialiasedScatters(false);

    // Layer des valeurs par défaut
    this->addGraph();
    graphPen.setColor(QColor(100, 130, 250));
    graphPen.setWidth(1);
    this->graph(3)->setPen(graphPen);
    this->graph(3)->setLineStyle(QCPGraph::lsNone);
    this->graph(3)->setScatterStyle(QCPScatterStyle(QCPScatterStyle::ssCross, 5));
    this->graph(3)->setAntialiasedScatters(false);

    // Layer aperçu valeurs
    this->addGraph();
    graphPen.setColor(QColor(0, 0, 0));
    graphPen.setWidth(1);
    this->graph(4)->setPen(graphPen);
    this->graph(4)->setScatterStyle(QCPScatterStyle::ssPlus);
    labelCoord = new QCPItemText(this);
    this->addItem(labelCoord);
    labelCoord->position->setType(QCPItemPosition::ptPlotCoords);
    labelCoord->setText("");
    QFont fontLabel = QFont(font().family(), 9);
    fontLabel.setBold(true);
    labelCoord->setFont(fontLabel);
    labelCoord->setColor(QColor(0, 0, 0));

    // Message warning
    textWarning = new QCPItemText(this);
    this->addItem(textWarning);
    textWarning->setPositionAlignment(Qt::AlignTop | Qt::AlignLeft);
    textWarning->position->setType(QCPItemPosition::ptPlotCoords);
    textWarning->position->setCoords(0, 0);
    textWarning->setFont(QFont(font().family(), 10, 100));
    textWarning->setColor(QColor(255, 0, 0));

    // Axes
    this->xAxis->setVisible(false);
    this->xAxis->setTicks(false);
    this->yAxis->setVisible(false);
    this->yAxis->setTicks(false);

    // Marges
    this->axisRect()->setAutoMargins(QCP::msNone);
    this->axisRect()->setMargins(QMargins(0, 0, 0, 0));

    // Filtre sur les événements
    this->installEventFilter(this);
}
void MainWindow::setupItemTracerTest(QCustomPlot *customPlot)
{
	QCPItemTracer *tracer1 = new QCPItemTracer(customPlot);
	customPlot->addItem(tracer1);
	tracer1->position->setCoords(1, 3);
	tracer1->setStyle(QCPItemTracer::tsCircle);
	tracer1->setSize(20);

	QCPItemTracer *tracer2 = new QCPItemTracer(customPlot);
	customPlot->addItem(tracer2);
	tracer2->position->setCoords(2, 2.5);
	tracer2->setStyle(QCPItemTracer::tsCrosshair);

	QCPItemTracer *tracer3 = new QCPItemTracer(customPlot);
	customPlot->addItem(tracer3);
	tracer3->position->setCoords(3, 2);
	tracer3->setStyle(QCPItemTracer::tsPlus);
	tracer3->setSize(20);

	QCPItemTracer *tracer4 = new QCPItemTracer(customPlot);
	customPlot->addItem(tracer4);
	tracer4->position->setCoords(4, 1.5);
	tracer4->setStyle(QCPItemTracer::tsSquare);
	tracer4->setSize(20);

	QCPGraph *graph = customPlot->addGraph();
	int n = 20;
	QVector<double> x(n), y(n);
	for (int i=0; i<n; ++i)
	{
		x[i] = 0.5+i/(double)n*4;
		y[i] = qSin(x[i])+1.5;
	}
	graph->setData(x, y);

	QCPItemTracer *graphTracer = new QCPItemTracer(customPlot);
	customPlot->addItem(graphTracer);
	graphTracer->setGraph(graph);
	graphTracer->setGraphKey(2.3);
	graphTracer->setStyle(QCPItemTracer::tsNone);
	graphTracer->setInterpolating(true);
	tracerTestTracer = graphTracer;
	connect(customPlot, SIGNAL(mouseMove(QMouseEvent*)), this, SLOT(tracerTestMouseMove(QMouseEvent*)));
	graphTracer->setStyle(QCPItemTracer::tsSquare);

	QCPItemText *text = new QCPItemText(customPlot);
	customPlot->addItem(text);
	text->setText("Tracer");
	text->setPositionAlignment(Qt::AlignBottom|Qt::AlignHCenter);
	text->position->setType(QCPItemPosition::ptAxisRectRatio);
	text->position->setCoords(0.5, 0.05);
	text->setPen(QPen());

	QCPItemCurve *curve = new QCPItemCurve(customPlot);
	customPlot->addItem(curve);
	curve->start->setParentAnchor(text->bottom);
	curve->startDir->setParentAnchor(curve->start);
	curve->startDir->setCoords(0, 100);
	curve->end->setParentAnchor(tracerTestTracer->position);
	curve->end->setCoords(0, -5);
	curve->endDir->setParentAnchor(curve->end);
	curve->endDir->setCoords(0, -100);
	curve->setHead(QCPLineEnding::esSpikeArrow);
}
GraphParamGlobal::GraphParamGlobal(QWidget * parent) : QCustomPlot(parent),
    forme(FORME_MANUELLE),
    flagEdit(false),
    limitEdit(0),
    nbPoints(140),
    raideurExp(50.0),
    yMin(0.), yMax(1.),
    xMin(0), xMax(140),
    labelCoord(NULL),
    previousX(-1)
{
    // Layer pour la position des octaves
    this->addGraph();
    QPen graphPen;
    graphPen.setColor(QColor(0, 0, 0, 40));
    graphPen.setWidth(1);
    this->graph(0)->setPen(graphPen);
    this->graph(0)->setLineStyle(QCPGraph::lsLine);
    QVector<double> x, y;
    x.resize(20);
    y.resize(20);
    y[0] = y[3] = y[4] = y[7] = y[8] = y[11] = y[12] = y[15] = y[16] = y[19] =  2;
    y[1] = y[2] = y[5] = y[6] = y[9] = y[10] = y[13] = y[14] = y[17] = y[18] = -1;
    for (int i = 0; i < 10; i++)
    {
        int note = 12 * (i + 1);
        double pos = (double)(note * this->nbPoints) / 127.;
        x[2*i] = x[2*i+1] = pos;
        QCPItemText *textLabel = new QCPItemText(this);
        this->addItem(textLabel);
        textLabel->setPositionAlignment(Qt::AlignBottom|Qt::AlignHCenter);
        textLabel->position->setType(QCPItemPosition::ptPlotCoords);
        textLabel->position->setCoords(pos, 0);
        textLabel->setText(Config::getInstance()->getKeyName(note));
        textLabel->setFont(QFont(font().family(), 8));
        textLabel->setColor(QColor(40, 40, 40));
    }
    this->graph(0)->setData(x, y);

    // Layers coloration zone sur laquelle s'étend le clavier
    this->addGraph();
    x.resize(2);
    y.resize(2);
    x[0] = -1;
    x[1] = this->nbPoints + 1;
    y[0] = y[1] = -2;
    graphPen.setWidth(0);
    this->graph(1)->setPen(graphPen);
    this->graph(1)->setData(x, y);
    this->graph(1)->setBrush(QBrush(QColor(255, 255, 0, 30)));
    this->addGraph();
    this->graph(2)->setPen(graphPen);
    this->graph(1)->setChannelFillGraph(this->graph(2));

    // Layer des valeurs
    this->addGraph();
    graphPen.setColor(QColor(100, 130, 250));
    graphPen.setWidth(2);
    this->graph(3)->setPen(graphPen);
    this->graph(3)->setLineStyle(QCPGraph::lsNone);
    this->graph(3)->setScatterStyle(QCPScatterStyle::ssDot);
    this->graph(3)->setAntialiased(true);
    this->graph(3)->setAntialiasedScatters(true);

    // Layer aperçu valeurs
    this->addGraph();
    graphPen.setColor(QColor(0, 0, 0));
    graphPen.setWidth(1);
    this->graph(4)->setPen(graphPen);
    this->graph(4)->setScatterStyle(QCPScatterStyle::ssPlus);
    labelCoord = new QCPItemText(this);
    this->addItem(labelCoord);
    labelCoord->position->setType(QCPItemPosition::ptPlotCoords);
    labelCoord->setText("");
    QFont fontLabel = QFont(font().family(), 9);
    fontLabel.setBold(true);
    labelCoord->setFont(fontLabel);
    labelCoord->setColor(QColor(0, 0, 0));

    // Axes
    this->xAxis->setRange(0, this->nbPoints);
    this->yAxis->setRange(0, 1);
    this->xAxis->setVisible(false);
    this->xAxis->setTicks(false);
    this->yAxis->setVisible(false);
    this->yAxis->setTicks(false);

    // Marges
    this->axisRect()->setAutoMargins(QCP::msNone);
    this->axisRect()->setMargins(QMargins(0, 0, 0, 0));
    // Préparation des données
    this->dValues.resize(this->nbPoints);
    this->dValues.fill(0.5);
    // Filtre sur les événements
    this->installEventFilter(this);
    // Affichage
    this->replot();
}