group
The group examined during interactive entity picking within graphic_window. During picking only graphic primitives which are members of this group are examined. All other graphic primitives are ignored. This group is a dynamic group and can be defined as a group expression.
For new graphic windows, graphic_window.pick_group is undefined in which case the all group is used.
All primitives in group ga.
mywin.pick_group = ga
All primitives except those in ga.
mywin.pick_group = (all - ga)
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