LibreOffice 6.1 Help
Opens the Chart Wall dialog, where you can modify the properties of the chart wall. The chart wall is the "vertical" background behind the data area of the chart.
Choose Format - Chart Wall - Chart dialog (Charts)
Set the formatting options for the selected line or the line that you want to draw. You can also add arrowheads to a line, or change chart symbols.
Set the fill options for the selected drawing object.
Set the transparency options for the fill that you apply to the selected object.
Resets changes made to the current tab to those applicable when this dialog was opened.