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. See the Extensions intro page for more information.
This enumeration is used to determine the stopping layout in TreeMapPlacement.Ordered layouts. This layout is used once a section has 4 or less nodes.
Note: this enumeration is only exists in extensionsJSM, not in extensions.
since3.0