DigitalRCS-TimeOverlay-Panel

A Grafana panel plugin for placing persistent, printable measurements and notes directly over time-series data.

Status

Submitted to the Grafana Plugin Catalog for Community review. It is not being represented as signed or catalog-approved at this time.

DigitalRCS-TimeOverlay-Panel showing example series with a selected duration range and a movable note
Persistent overlay ranges and notes on Grafana time-series data.

Overview

DigitalRCS-TimeOverlay-Panel installs as a separate Grafana visualization, so users can choose it from the visualization picker without replacing or modifying Grafana's built-in Time series panel.

The panel is built for teams that need measurement evidence to survive dashboard reloads and exported reports. Users can create duration ranges, add editable notes, inspect values, zoom into precise intervals, and save the overlay state with the dashboard.

Runtime Frontend-only Grafana panel
Compatibility Grafana 12.3.0 or later
Data contract One time field plus numeric fields

What it does

Focused overlay tools for operational dashboards and exportable evidence.

Duration ranges

Create a highlighted time range by dragging across the plot, then move or resize it from either edge.

Movable notes

Add editable notes with translucent backgrounds, drag them by the header, and resize them from the corner.

Grafana-style navigation

Use drag-to-zoom, tooltips, axes, legends, 50 percent zoom steps, and a Zoom all reset.

Dynamic series

Render every numeric field returned by the query with names, units, labels, metadata, and overrides preserved.

Datasource independent

Consumes standard Grafana data frames from any compatible datasource instead of embedding query logic.

CSV and Splunk-friendly

Recognizes time/_time fields and converts common numeric strings or Splunk epoch timestamps when needed.

Printable evidence

Stores overlays in panel options so saved ranges and notes appear in Grafana PNG/PDF rendering paths.

Configurable display

Supports point markers, straight or smooth lines, palette colors, and independent range and note opacity.

Screenshots

Local copies from the project repository, served from this website.

DigitalRCS-TimeOverlay-Panel showing two example series, a selected duration range, and a movable note
Time overlay panel with selected duration and note controls.
Grafana dashboard displaying DigitalRCS-TimeOverlay-Panel with its selection and note controls
Grafana dashboard context with the plugin running as a visualization.

Documentation

The repository includes user, data-source, configuration, deployment, signing, developer, and troubleshooting documentation.