Class TreeMapLayout | GoJS

This is an extension and not part of the main GoJS library. Note that the API for this class may change at any time. If you intend to use an extension in production, you should copy the code to your own source directory. Extensions can be found in the GoJS kit under the extensions or extensionsTS folders. See the Extensions intro page for more information.

Hierarchy

Layout
- TreeMapLayout

A custom Layout that lays out hierarchical data using nested rectangles.

If you want to experiment with this extension, try the Tree Map Layout sample.

Index

Properties

isTopLevelHorizontal

Methods

Properties

isTopLevelHorizontal : boolean

Gets or sets whether top level Parts are laid out horizontally.

Methods

Override cloneProtected

cloneProtected(copy: this): void

Copies properties to a cloned Layout.
Parameters
- copy: this
Returns void

computeTotals

computeTotals(diagram: Diagram): void

Compute the data.total for each node in the Diagram, with a Group's being a sum of its members.
Parameters
- diagram: Diagram
Returns void

Override doLayout

doLayout(coll: Diagram | Group | Iterable<Part>): void

This method actually positions all of the nodes by determining total area and then recursively tiling nodes from the top-level down.
Parameters
- coll: Diagram | Group | Iterable<Part>
  A Diagram or a Group or a collection of Parts.
Returns void