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GETIING ACQUAINTED
Displaying a Border
You can create a border around your graphics to
complete
your display before
copying it. Try
it
now:
Press
Shift-F4.
A solid border appears around the edge of the graphics
area,
framing
the
entire
display. The border remains on the screen
even
after you exit Zoom/Pan.
The border dimensions
remain
fixed; altering the size or shape of
the
framing box
has no effect on the border size
.
Press Shift-F4 again if you want to delete
the
border.
Selecting Views
When you are running a host applications program
,
you can have from one to 64
views
on the terminal 's screen
.
A view
is
a
snapshot
of an image
as it is
displayed
under the control of a host program
.
Different views can vary the
size
,
shape
,
and
location of the image
,
as well as which
segments
make up the
image
.
Zoom/Pan take place
in
the current
view,
that is, the view
you
have
selected
.
In this
exercise
,
you only worked with the current view. If a host program
creates
multiple
views
,
you can move from one view to another by pressing F4 or Ctrl-F4
(see
Table
2-2)
.
Each time you select a
view,
its border blinks once
,
indicating that
it is
now the
current
view.
Controlling the Zoom /Pan Menu
You can control the visibility of the Zoom/Pan menu just like you
can
the dialog
area's
visibility.
To make the Zoom/Pan menu invisible
,
press the Dialog
key.
Try that now:
Press the Dialog
key.
The Zoom/Pan menu
disappears.
Press the Dialog key again
.
The Zoom/Pan menu is restored.
This is useful if you are making a copy of the screen and don 't want the menu to be
part of the
copy.
Communicating With the Host During Zoom/Pan
Remember that during Zoom/Pan
,
the terminal can execute host commands, and
all keys except F1 through F5 retain their normal function
.
To see your
communication with the host
,
but still remain in the Zoom/Pan function
,
you need
to redisplay the dialog area. Do that now:
Press the F5
key.
The Zoom/Pan menu disappears, and the dialog area
reappears.
The framing box
remains displayed
in
the graphics area, indicating that Zoom/Pan
is
still active.
As the host displays graphics on the screen
,
you can zoom or pan
on
those
graphics
,
as well as communicate with the host.
To restore the Zoom/Pan menu, press F5 again
.
2-36
4106/4107/4109 OPERATORS
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