Packed Cell Left Entry Blocked Top Corridor

Gallery / Serpentine Layout

A same-row packed-cell route approaches a LEFT entry while a spanning section blocks the row-top corridor. The fallback travels beneath the row and reaches the entry from its outward side without crossing a section.

Mermaid source

%%metro title: Packed-cell LEFT-entry wrap with a blocked row-top corridor
%%metro line: flow | Flow | #2db572
%%metro line: obstacle | Obstacle | #8f8f8f
%%metro grid: source, blocker | 0,1
%%metro grid: obstacle_section | 1,0,2
%%metro grid: target | 2,1

graph LR
    subgraph source [Source]
        %%metro exit: right | flow
        source_step[Source step]
    end

    subgraph blocker [Packed cell-mate]
        blocker_step[Blocking step]
    end

    subgraph target [Target]
        %%metro entry: left | flow
        target_step[Target step]
    end

    subgraph obstacle_section [Spanning obstacle]
        obstacle_start[Obstacle start]
        obstacle_end[Obstacle end]
        obstacle_start -->|obstacle| obstacle_end
    end

    source_step -->|flow| target_step

CLI command

nf-metro render examples/topologies/packed_cell_left_entry_blocked_top_corridor.mmd -o packed_cell_left_entry_blocked_top_corridor.svg

Rendered map