Open an embedded Pipeline aux#

Some side parameters need more than one operation. Instead of filling the slot with a single detector, fill it with a nested ImagePipeline, drill into that pipeline, and build a fixed linear chain inside it.

This tutorial fills FilamentousFungiDetector.inoculum_detector with a nested pipeline containing GaussianBlur -> OtsuDetector.

Step 1 - Create the embedded pipeline#

Add FilamentousFungiDetector to the main map, select it, and click the gold port beside inoculum_detector. With that side target selected, click + New Pipeline.

Embedded pipeline scope opened with only its InputImage source and floating continuation target.

The builder creates a hidden ImagePipeline side value and immediately drills into its nested scope. The breadcrumb shows that you are inspecting the side value rather than the root pipeline.

Step 2 - Build the nested chain#

Inside the embedded scope, click GaussianBlur, then OtsuDetector:

Nested pipeline scope with GaussianBlur and OtsuDetector in a fixed linear chain.

The nested scope has the same controls as the root: fixed node cards, visible ports, docstring help, side-loader parameters, and view-only zoom/fit controls.

Step 3 - Return to the parent#

Click the root breadcrumb segment to return to the parent pipeline, then select FilamentousFungiDetector:

Parent side loader showing an ImagePipeline value for inoculum_detector.

The side value row shows ImagePipeline with an Open action. Click Open to drill back into the nested pipeline later.

When the pipeline saves, the side value serializes as a nested public ImagePipeline value inside the consumer parameter. Builder-only UI state such as selected targets, open menus, breadcrumbs, and zoom does not become pipeline JSON.

Reference#

  • Create - select a side target, then click + New Pipeline.

  • Open - click Open on the filled side value row.

  • Breadcrumbs - use the root crumb to drill back out.

  • Validation - the parent pipeline remains invalid until the required side value exists; the embedded pipeline must also be valid before save.

  • Read-only mobile mode - breadcrumbs, help, zoom, and inspection remain available; insertion/edit/delete/save are disabled.

Where to next#