...
The option <url> can be used to configure an URL for each node. After selecting the node the URL will be displayed automatically in the web browser display.
Icons
The icons of the forecast tree are explained in detail in this chapter 23 Interactive Forecasting Displays#23InteractiveForecastingDisplays-Forecasttree
Grace time
The icons in the topology tree can be used to view the status of node. The icon show if a workflow has run for that node and what status of that run is.
...
If the status of a topology node is determined by a server run and its parent node has a more recent server run then the node will inherit the status from its parent.
Modifiers
showModifiers
The option is only available at group nodes. By default the modifiers panel doesn't show modifiers at group nodes. This choice was made because of performance reasons.
...