Skip to content

Top Descent Over Left Entry

A line descending into a shared LEFT entry port from a section above takes the topmost lane rather than diving under the feeder arriving level from the left, so the two keep a consistent z-order with no boundary crossover.

Mermaid source
examples/topologies/top_descent_over_left_entry.mmd
%%metro title: Top descent over left entry
%%metro line: rr | Red | #e6007e
%%metro line: gg | Green | #2db572
%%metro grid: up | 0,0
%%metro grid: left | 0,1
%%metro grid: target | 1,1
graph LR
subgraph up [Upstream]
%%metro exit: right | gg
u1[U1]
u2[U2]
u1 -->|gg| u2
end
subgraph left [Left feeder]
%%metro exit: right | rr
l1[L1]
l2[L2]
l1 -->|rr| l2
end
subgraph target [Target]
%%metro entry: left | rr, gg
t1[Prep]
t2[Branch A]
t3[Branch B]
t1 -->|rr,gg| t2
t1 -->|rr,gg| t3
end
u2 -->|gg| t1
l2 -->|rr| t1
CLI command
Terminal window
nf-metro render examples/topologies/top_descent_over_left_entry.mmd -o top_descent_over_left_entry.svg
Rendered map
Top descent over left entry 1 2 3 L1 Prep U1 L2 Branch A U2 Branch B Red Green created with nf-metro v2.0.0+dev