addPlotPoints.cpp

/******* TEST ***********/
void Plotter::addPlotPoints()
{
        m_plot = new KPlotWidget( );

        QGraphicsProxyWidget *proxy;
        QGraphicsScene scene;
        QGraphicsLinearLayout *layout = new QGraphicsLinearLayout;
        QGraphicsWidget *form = new QGraphicsWidget;

        proxy = scene.addWidget(m_plot);
        layout->addItem(proxy);
        form->setLayout(layout);

        m_layout->addItem(form);


        m_plot->setMinimumSize( 400, 400 );
        m_plot->setAntialiasing( true );

        double x[] = {8.12, 8.13, 8.14, 8.15, 8.18, 8.20, 11.34};

        // Set the boundaries of the plot to display the full extent of the sine curve:
        m_plot->setLimits(lowerLimit(x[0]), upperLimit(x[5]), 1.22-.05, 9.1+.05 );
        qDebug() << "[PLOTTER LIMITS]" << lowerLimit(x[0]) << upperLimit(x[5]);
        // Create a KPlotObject which will display data
        // points by connecting them with red line segments
        // with a width of 2 pixels:
        KPlotObject *sineobj = new KPlotObject( Qt::red, KPlotObject::Lines, 2 );

        // Add data points to the KPlotObject for a
        // sine curve (these are stored internally
        // as KPlotPoints):

        QList<KPlotPoint*> points;
        points << new KPlotPoint(toAxisTime(x[0]), 1.22, timeToString(x[0]))
               << new KPlotPoint(toAxisTime(x[1]), 1.32, timeToString(x[1]))
               << new KPlotPoint(toAxisTime(x[2]), 1.54, timeToString(x[2]))
               << new KPlotPoint(toAxisTime(x[3]), 2.2, timeToString(x[3]))
               << new KPlotPoint(toAxisTime(x[4]), 2.1, timeToString(x[4]))
               << new KPlotPoint(toAxisTime(x[5]), 4.1, timeToString(x[5]))
               << new KPlotPoint(toAxisTime(x[6]), 9.1, timeToString(x[6]));

        KPlotPoint *point;
        foreach (point, points) {
            sineobj->addPoint(point);
        }
        // Add the KPlotObject to the plot:
        m_plot->addPlotObject( sineobj );

        // Add a text label to the bottom axis:
        m_plot->axis( KPlotWidget::BottomAxis )->setLabel( "Angle in radians" );
        m_plot->axis( KPlotWidget::BottomAxis )->setTickLabelFormat('t');
        m_plot->axis( KPlotWidget::RightAxis  )->setTickLabelsShown(true);
        m_plot->axis( KPlotWidget::BottomAxis )->setTickLabelsShown(true);
        m_plot->axis( KPlotWidget::LeftAxis   )->setTickLabelsShown(false);
        m_plot->setShowGrid(true);

}
/*******************/