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<h2>Group</h2>

  The number of objects in the group is displayed
    in the upper left corner as "Group #".
  All objects of the group will be hilited.


<h3>create group:</h3>
  <b>Select a group of objects with the mouse:</b>
    press the left mousebutton, keep it pressed and drag mouse.
    All objects inside the rectangle will be included in
      the group.

  <b>Add all existing objects to group:</b>
    Menu Group / "add all objects to group"             or Ctrl-A
    put all objects into group


<h3>modify group:</h3>
  <b>add single objects to group:</b>
    select object

  <b>remove single objects from group:</b>
    select object again

  <b>remove all objects of certain type from group:</b>
    select one object with the right mousebutton, select option
    "remove all of this type from group"



<h3>use group:</h3>
  <b>hide all objects of group:</b>
    objects in group will not be displayed -
    Right mousebutton or menu Group: "hide group"

    Redisplay this objects: select checkbox "View" in the mainToolbar;
      select objects to display ..

  <b>delete all objects of group:</b>
    Right mousebutton or menu Group: "delete group"   or Delete-key

  <b>save all objects of group into modelfile:</b>
    native format (.gcad)
    Menu Group / "save group -> File"


<h3>clear group:</h3>
  Deactivate group:
    Right mousebutton or menu Group: "clear group"   or Esc-key.




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