Pinning and unpinning nodes and groups
By default, the location of nodes and collapsed groups is not pinned on the network map. Before the locations of nodes and collapsed groups are pinned, they may be automatically arranged for optimal display of other objects.
Objects that are included in groups can be moved only within the confines of their respective groups. Other objects may occupy any space on the network map except the space occupied by expanded groups.
Nodes and groups are pinned when their location is changed manually or automatically. You can also pin the current location of displayed nodes and collapsed groups within the confines of one group or on the entire network map.
After the location of a node or collapsed group is pinned, the 
icon appears in the upper-right corner of this element. The icon is no longer displayed when the network map scale is reduced to 25% or less.
The location of a pinned node or pinned group is retained. If a pinned node disappears from the network map (for example, after a filter is applied), this node will be displayed in the same location the next time it appears.
To pin the location of displayed nodes and collapsed groups, perform one of the following actions:
- If you want to pin the location of all displayed nodes and collapsed groups on the network map, click the button in the toolbar located in the left part of the network map display area (the button is available if there are unpinned objects on the network map).
- If you want to pin the location of displayed nodes and collapsed groups in the window of an expanded group, click the button in the expanded group's window title (the button is available if there are unpinned objects within the window of the group).
To unpin displayed nodes and collapsed groups, perform one of the following actions:
- If you want to unpin one node or one collapsed group, click the icon in the upper-right corner of the node or collapsed group.
- If you want to unpin all displayed nodes and collapsed groups on the network map, click the
button in the toolbar located in the left part of the network map display area (the button is available if there are pinned objects on the network map). - If you want to unpin displayed nodes and collapsed groups in the window of an expanded group, click the button in the expanded group's window title (the button is available if there are pinned objects within the window of the group).