Method replot

3rdparty/qwt/src/qwt_plot.cpp:545–571

! \brief Redraw the plot If the autoReplot option is not set (which is the default) or if any curves are attached to raw data, the plot has to be refreshed explicitly in order to make changes visible. \sa updateAxes(), setAutoReplot() */

   \sa updateAxes(), setAutoReplot()
 */
void QwtPlot::replot()
{
    bool doAutoReplot = autoReplot();
    setAutoReplot( false );

    updateAxes();

    /*
       Maybe the layout needs to be updated, because of changed
       axes labels. We need to process them here before painting
       to avoid that scales and canvas get out of sync.
     */
    QApplication::sendPostedEvents( this, QEvent::LayoutRequest );

    if ( m_data->canvas )
    {
        const bool ok = QMetaObject::invokeMethod(
            m_data->canvas, "replot", Qt::DirectConnection );
        if ( !ok )
        {
            // fallback, when canvas has no a replot method
            m_data->canvas->update( m_data->canvas->contentsRect() );
        }
    }

    setAutoReplot( doAutoReplot );
}

/*!
   \brief Adjust plot content to its current size.