Method removeAxis

qcustomplot/qcustomplot.cpp:17035–17055

! Removes the specified \a axis from the axis rect and deletes it. Returns true on success, i.e. if \a axis was a valid axis in this axis rect. \see addAxis */

  \see addAxis
*/
bool QCPAxisRect::removeAxis(QCPAxis *axis)
{
  // don't access axis->axisType() to provide safety when axis is an invalid pointer, rather go through all axis containers:
  QHashIterator<QCPAxis::AxisType, QList<QCPAxis*> > it(mAxes);
  while (it.hasNext())
  {
    it.next();
    if (it.value().contains(axis))
    {
      if (it.value().first() == axis && it.value().size() > 1) // if removing first axis, transfer axis offset to the new first axis (which at this point is the second axis, if it exists)
        it.value()[1]->setOffset(axis->offset());
      mAxes[it.key()].removeOne(axis);
      if (qobject_cast<QCustomPlot*>(parentPlot())) // make sure this isn't called from QObject dtor when QCustomPlot is already destructed (happens when the axis rect is not in any layout and thus QObject-child of QCustomPlot)
        parentPlot()->axisRemoved(axis);
      delete axis;
      return true;
    }
  }
  qDebug() << Q_FUNC_INFO << "Axis isn't in axis rect:" << reinterpret_cast<quintptr>(axis);
  return false;
}

/*!
  Zooms in (or out) to the passed rectangular region \a pixelRect, given in pixel coordinates.