vspan

Input Stack:
TimeSeriesExpr
Output Stack:
StyleExpr

Change the line style to be a vertical span. In this mode any non-zero datapoints on the line will be shown as a span. This is frequently used to visualize when an alert would have fired.

See the line style examples page for more information.

Example:

BeforeAfter
name,sps,:eq,
:sum,
:dup,
20e3,:gt
name,sps,:eq,
:sum,
:dup,
20e3,:gt,
:vspan