Drawing a Callout on Top of a Chart | Qt Charts | Qt 6.11.2
Description: Shows how to draw an additional element (a callout) on top of a chart.

- Qt 6.11
- Qt Charts
- Drawing a Callout on Top of a Chart
- Qt Charts | Commercial or GPLv3

# Drawing a Callout on Top of a Chart

Note: This is part of the Charts with Widgets Gallery example.

The QChart class provides two methods that map between the scene coordinates and the series domain (defined by the axes ranges).

QPointF QChart::mapToPosition(const QPointF &value, QAbstractSeries *series)

QPointF QChart::mapToValue(const QPointF &position, QAbstractSeries *series)