Merge Feeders Three Columns

Gallery / Merge & Convergence

Three sections each send the same line on to a shared sink, so one feeder carries the trunk the whole way and the other two converge onto it from their own columns; each lands on the trunk's centreline, at or before the corner it turns down on, rather than a lane beside it (issue

Mermaid source

%%metro title: Report feeders from three columns
%%metro style: dark
%%metro line: main | Main | #24b064
%%metro line: report | Report | #0dcaf0
%%metro line: sheets | Sheets | #f59e0b
%%metro grid: a | 0,0
%%metro grid: b | 1,0
%%metro grid: c | 2,0
%%metro grid: d | 3,0
%%metro grid: e | 3,1

graph LR
    subgraph a [A]
        a1[Step A1]
        a2[Step A2]
        a1 -->|main,report| a2
    end
    subgraph b [B]
        b1[Step B1]
        b2[Step B2]
        b3[Step B3]
        b4[Step B4]
        b1 -->|main| b2
        b2 -->|main| b3
        b3 -->|main| b4
    end
    subgraph c [C]
        c1[Step C1]
        c2[Step C2]
        c3[Step C3]
        c1 -->|main| c2
        c2 -->|main| c3
        c1 -->|report| c2
        c2 -->|sheets| c3
    end
    subgraph d [D]
        d1[Step D1]
        d2[Step D2]
        d1 -->|sheets| d2
    end
    subgraph e [E]
        e1[Step E1]
        e2[Step E2]
        e1 -->|main| e2
        e1 -->|report| e2
    end
    a2 -->|main| b1
    b4 -->|main| c1
    c3 -->|main| e1
    c3 -->|sheets| d1
    a2 -->|report| e1
    b4 -->|report| e1
    c3 -->|report| e1

CLI command

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

Rendered map