Method setRangeLower

3rdparty/qcustomplot/qcustomplot.cpp:8504–8520

! Sets the lower bound of the axis range. The upper bound is not changed. \see setRange */

  \see setRange
*/
void QCPAxis::setRangeLower(double lower)
{
  if (mRange.lower == lower)
    return;
  
  QCPRange oldRange = mRange;
  mRange.lower = lower;
  if (mScaleType == stLogarithmic)
  {
    mRange = mRange.sanitizedForLogScale();
  } else
  {
    mRange = mRange.sanitizedForLinScale();
  }
  emit rangeChanged(mRange);
  emit rangeChanged(mRange, oldRange);
}

/*!
  Sets the upper bound of the axis range. The lower bound is not changed.