Method setDataPlottable

qcustomplot/qcustomplot.cpp:27285–27301

! Sets the data plottable to which the error bars will be applied. The error values specified e.g. via \ref setData will be associated one-to-one by the data point index to the data points of \a plottable. This means that the error bars will adopt the key/value coordinates of the data point with the same index. The passed \a plottable must be a one-dimensional plottable, i.e. it must im

  those configured for this \ref QCPErrorBars instance.
*/
void QCPErrorBars::setDataPlottable(QCPAbstractPlottable *plottable)
{
  if (plottable && qobject_cast<QCPErrorBars*>(plottable))
  {
    mDataPlottable = 0;
    qDebug() << Q_FUNC_INFO << "can't set another QCPErrorBars instance as data plottable";
    return;
  }
  if (plottable && !plottable->interface1D())
  {
    mDataPlottable = 0;
    qDebug() << Q_FUNC_INFO << "passed plottable doesn't implement 1d interface, can't associate with QCPErrorBars";
    return;
  }
  
  mDataPlottable = plottable;
}

/*!
  Sets in which orientation the error bars shall appear on the data points. If your data needs both