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Event Viewer
The Companion's Event Viewer renders detected threshold-violation events from EventStore in two views — Gantt timeline and tabular list — filtered by tag selection, severity, and time range. Opened from the Companion toolbar's Events button as a single-instance pop-out uifigure.
It is the same surface the bottom-of-companion Events log strip can detach into. The pop-out icon on the events log header opens the detached view in its own figure window.
A TagCatalogPane lets you multi-select tags via search, kind / criticality filter pills, and a listbox. Selecting tags filters both the Gantt and the Table.
A uiswitch at the top of the left pane flips between Gantt and Table views without losing the selection or filter state.
| View | Content |
|---|---|
| Gantt | timeline axes with one row per selected tag; severity-colored bars per event with a crosshair |
| Table | sortable list with start / end / duration / severity / tag, and a Plot Selected (N) drill-down |
A filter bar across the top of the right pane carries presets, From / To datetimes, severity tri-toggle, Open only, Refresh, Auto (live), and an interval picker. A TimeRangeSelector slider below the content lets you drag a window across the full event history.
- Sev 1 (info) — typically green
- Sev 2 (warning) — typically orange
- Sev 3 (critical) — typically red
The severity tri-toggle in the filter bar is multi-toggle: any combination of the three may be active. Default is all three on.
| Surface | Single-click | Double-click |
|---|---|---|
| Gantt bar | debounced Event Info popup with Notes | new DashboardEngine with one FastSenseWidget, X zoomed to event window |
| Table row | row selection (enables Plot Selected) | same drill-down dashboard as the Gantt double-click |
| Table multi-row | enables Plot Selected (N) | (N/A) |
Plot Selected (N) opens a single dashboard with N stacked FastSenseWidgets, one per selected event — useful for comparing related violations side by side.
The Companion's bottom strip hosts two compact log panes:
- Events log — rolling list of recent detected events (this surface's compact form)
- Live log — per-tag sample-delta counts as new data arrives (a different surface)
See Live Log for the live updates pane.
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