Complex, data-heavy visualisations can make it difficult to see underlying patterns.

Combos in KeyLines put multiple nodes into a combined node without affecting the links between them, which can help you simplify charts and spot partnerships such as members of the same gang or a terrorist group.

Open and closed state

In closed combos, items are hidden and their number is summarized by a default counter glyph.

Open combos show the items within a combo border. You can enable the counter glyph on open combos by setting comboGlyphOnOpen to true.

Nested combos

Nested combos are combos created inside other combos. There’s no limit to the number of nested levels, and you can uncombine them in sequence.

Combo options

The shape property controls the shape of all open combos in the chart. It can be set to 'circle' (default) or 'rectangle'.

There are several ways how nodes inside open combos can be arranged. Choosing the 'grid' option, which is default for rectangular combos, also lets you control the row or column dimension of open combos with the gridShape option. Any arrangement can be made tighter or looser using the tightness option.

See also

Documentation: Combos and Combos Concepts

Demos: Combining Nodes and Combo Dragging

Key functions used:

• chart.combo().combine
• chart.combo().isCombo
• chart.combo().uncombine
• chart options 'defaultStyles'