Method isAxisValid

3rdparty/qwt/src/qwt_plot_axis.cpp:132–135

! Checks if an axis is valid \param axisId axis \return \c true if the specified axis exists, otherwise \c false \note This method is equivalent to QwtAxis::isValid( axisId ) and simply checks if axisId is one of the values of QwtAxis::Position. It is a placeholder for future releases, where it will be possible to have a customizable number of axes ( multia

         of axes ( multiaxes branch ) at each side.
 */
bool QwtPlot::isAxisValid( QwtAxisId axisId ) const
{
    return QwtAxis::isValid( axisId );
}

/*!
   \return Scale widget of the specified axis, or NULL if axisId is invalid.