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Dendrogram Layout

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Overview

The dendrogram layout is suitable for visualizing hierarchical clustering data. Its feature is that all child nodes are laid out on the same level, node size is not considered, and each node is treated as 1px.

Dendrogram Layout Example

Configuration

const graph = new Graph({
layout: {
type: 'dendrogram',
direction: 'LR',
nodeSep: 30,
rankSep: 250,
radial: false,
},
});

Options

Dendrogram Layout Options Illustration
PropertyDescriptionTypeDefaultRequired
typeLayout typedendrogram-✓
directionLayout direction, optionsLR | RL | TB | BT | H | VLR
nodeSepNode spacing, distance between nodes on the same levelnumber20
rankSepRank spacing, distance between different levelsnumber200
radialWhether to enable radial layout, see belowbooleanfalse

direction

Tree layout direction options:

  • TB: Root at the top, layout downward
TB direction
  • BT: Root at the bottom, layout upward
BT direction
  • LR: Root at the left, layout to the right
LR direction
  • RL: Root at the right, layout to the left
RL direction
  • H: Root in the middle, horizontal symmetric layout
H direction
  • V: Root in the middle, vertical symmetric layout
V direction

radial

Whether to enable radial layout mode. When enabled, nodes are distributed radially around the root node.

If radial is set to true, it is recommended to set direction to 'LR' or 'RL' for best results.

Radial Layout