4.3 Pick

The pick interaction has two modes, allowing the selection of either hits and tracks or detectors. The desired mode is selected from the box on the panel of the Pick tab in the interaction control (3.1.3 Interaction Control) of the Control Window.

Hits and Tracks

If the picking mode is set to hits and tracks:

Any canvas pad in which a mouse button is clicked, is automatically popped up.

Detectors

If the picking mode is set to detectors:

Lists and Picking

The pick interaction may be used for the interactive manipulation of lists (3.3.4 Lists Window) by using a modifier key while performing the pick. The available modifier keys are:

Table 4.5. Modifier keys for pick interaction

Modifier KeyAction
A + left-clickAdd the data item to be picked to the currently selected list node
C + left-clickClear highlighted, colours the previously picked data item with its default colour
I + left-clickIgnore, picked item is moved into the invisible list under List manager and is ignored unless removed from this list or list manager is re-set, useful to mask hot calo cells for instance
V + left-clickSet primary vertex, if picked item is simulated vertex (SimVertex) or reconstructed vertex (RecVertex), the position of the picked vertex is considered by Atlantis the primary vertex (see Projectionsη/φ projection menu)