Skip to main content

Pipeline Outputs And Debugging

Use this guide when you need to see structured outputs (detections JSON, numbers, structs).

Goal​

You are done when you can list ports and read a sample value.

Know What You Are Looking At​

There are two different "outputs" concepts in HeliOS:

  • Image-like outputs: frames, annotated frames, overlays. These are shown via the stream preview output selector.
  • Non-image outputs: numbers, JSON, arrays, structs. These are inspected with an outputs viewer.

If you are trying to see overlays on the video preview:

Option A: Outputs In Tune (Most Common)​

  1. Open OS > Pipelines.
  2. Open your pipeline.
  3. Open Tune.
  4. Select a running stream.
  5. Click Outputs.

Notes:

  • Outputs is for non-image ports.
  • Image-like outputs are viewed in preview output selection.

What you should see:

  • A list of output ports.
  • A way to expand a port and view a live sample value.
  • A way to copy sample values (useful for debugging).

Option B: Floating Outputs Viewer (From A Stream)​

From the stream Pipelines tab, the UI may provide an outputs viewer (often a code icon).

  • it opens a floating panel
  • it stays visible while navigating

Use this when:

  • You want to keep outputs visible while you tune controls.
  • You want to watch outputs while you move the robot / tags in real time.

If Outputs Are Empty (Step-By-Step Checks)​

  1. Confirm the pipeline is attached to the stream you selected.
  2. Confirm the stream is Live.
  3. Confirm you are inspecting Outputs for the correct running stream.
  4. Check Alerts for engine errors.
  5. Check Systems logs for runtime errors at the same time window.