Method interval

3rdparty/qwt/src/qwt_plot_spectrogram.cpp:432–438

! \return Bounding interval for an axis The default implementation returns the interval of the associated raster data object. \param axis X, Y, or Z axis \sa QwtRasterData::interval() */

   \sa QwtRasterData::interval()
 */
QwtInterval QwtPlotSpectrogram::interval(Qt::Axis axis) const
{
    if ( m_data->data == NULL )
        return QwtInterval();

    return m_data->data->interval( axis );
}

/*!
   \brief Pixel hint