Sankey graph nodes without parent

GoJS
1

Hi Team,

I have a sankey graph, for some node there is no parent node( like pdv3), the graph moves such nodes to the last band.

I want pdv3 to be displayed under PDVs and channel views band and revision date under Revisions band and not under CDVs.

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2

The easiest solution is to add an unseen Link from a “Revision” to that “pdv3” node. But not an in-visible Link, because not visible Parts are ignored by layouts.