Alignment using the grid and snap guides
section “Aligning shapes” on page 105 discussed the alignment of
objects relative to each other or to the page border. However,
sometimes it is important to align objects to specific points of the
page or to make sure that objects that appear on multiple slides are
placed in exactly the same position. For this purpose Impress
provides two mechanisms: the Grid
and the Snap Guides (also
called Snap Lines).
for the grid are available in the menu that opens by right-clicking
on an empty part of the page in Normal view and choosing Grid
or by selecting View >
Grid from the menu bar. In both cases a submenu with
three options opens:
Grid: displays the grid.
to Grid: the anchor points of an object will always be
placed on a grid when the object is moved or resized.
to Front: displays the grid in the foreground.
set up the grid spacing and snapping options, choose Tools
> Options > OpenOffice.org Impress > Grid from
the menu bar.
for the guides are available in the menu that opens by clicking on
an empty part of the page in Normal view and choosing Snap
Lines or by selecting View
> Guides from the menu bar. A submenu with three
Guides (Snap Lines Visible): the guides are shown on the
to Guides (Snap to Snap Lines): the anchor points of the
objects snap to the guides when the objet is moved or resized.
to Front (Snap Lines to Front): the guides are brought
to the foreground and cover the objects.
main menu uses the term Guides,
but the pop-up menu refers to Snap
To create a new
on an empty part of the work area and select Insert
Snap Point/Line from the pop-up menu.
the dialog that appears, specify the type (Point, Vertical line, or
on the choice made, the two edit fields X
become active; enter the position of the Guide.
OK to close the
positioning the Snap Guides, it is useful to display the rulers.
To do so, select View
a Snap Guide directly onto the slide by clicking on the ruler and
then dragging onto the slide.
edit a Guide:
next to or on the guide to be edited.
Edit Snap line
from the pop-up menu.
the new value (or values) and click OK.
To delete a Guide:
next or on the guide to be deleted.
Delete Snap line
from the pop-up menu.
Figure 75 show
the three types of guides, the grid on a slide, and the dialog to
create a new Guide.