Grouping nodes allows you to visually gather a group of nodes in the Graph. When your Graph gets bigger, you can group all the nodes that are involved in a specific task, for example, all nodes that are involved in color maps, or all nodes involved in creating erosion, etc. You can also create an unlimited number of groups of nodes within groups.
To create a group, or a group within a group:
The selected nodes are grouped in a colored rectangle.
Once you have created a group, right-click on it and select Edit group settings in the contextual menu.
The Edit group settings dialog opens where you can change the Group name, Group color, and Group comments as described above.
To move a group in the Graph, click on the bar at the top of the group's colored rectangle and drag the mouse.
When you move the largest group, the groups inside also move.
If you click on a node rather than the group's colored rectangle, you will move the node and not the group.
Nodes are selected in the same way as when they are not in a group. See Selecting nodes for details.
When you use Shift+left-click and drag the mouse over nodes and groups, all groups are selected simultaneously.
To select all nodes in a group, simply double click on the group's colored rectangle.
To add a node to a group, either:
To remove a node from a group:
To disable a group, select Edit > Disable group in the main menu or press the keyboard shortcut D.
To delete a group but not its contents, click on the group's colored rectangle and press the keyboard shortcut Del.
To delete a group with its contents, double click on the group's colored rectangle (to select the group and its nodes) and press the keyboard shortcut Del.
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