kuva sankey
Sankey / alluvial flow diagram.
Input: three columns — source node, target node, flow value.
| Flag | Default | Description |
|---|---|---|
--source-col <COL> | 0 | Source node column |
--target-col <COL> | 1 | Target node column |
--value-col <COL> | 2 | Flow value column |
--link-gradient | off | Fill each link with a gradient from source node colour to target node colour |
--opacity <F> | 0.5 | Link opacity |
--legend <LABEL> | — | Show legend |
kuva sankey sankey.tsv \
--source-col source --target-col target --value-col value
kuva sankey sankey.tsv \
--source-col source --target-col target --value-col value \
--link-gradient --legend "read flow"
See also: Shared flags — output, appearance, axes, log scale.