Apple Numbers '09 - Manual (Page 218)

When you enter x and y coordinates for line positions in the Metrics Inspector, the
Start coordinates refer to the first endpoint you created (or the upper-left endpoint,
if you didn’t draw the line). If you later flip or rotate the line, the Start coordinates
continue to refer to the same endpoint.
Position a line by specifying x and y
coordinates for its first endpoint.
Position a line by specifying x and y
coordinates for its second endpoint.
Another way to align objects as you work is to use built-in alignment guides that
appear as you drag objects around the sheet, or to create static alignment guides that
help you line up objects. See “Using Alignment Guides” on page 216 and “Creating Your
Own Alignment Guides” on page 217.
Grouping and Ungrouping Objects
You can group objects together so that they can be moved, copied, resized, and
oriented as a single object.
You can edit an individual object within a group without having to ungroup it first.
Grouped objects can be grouped again with other objects, creating a hierarchy or
“nesting” of grouped objects. To select an individual object that’s nested in several
levels of grouping, you must click it once for each level of nesting.
To group objects:
1 Hold down the Command (or Shift) key as you select the objects you want to group.
If you can’t select an object, it may be locked and you’ll need to unlock it. To learn how,
see “Locking and Unlocking Objects” on page 219.
2 Choose Arrange > Group.
To ungroup objects:
Select the group, and then choose Arrange > Ungroup. If the group is locked, unlock
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it first.
If you can’t select a group of objects, it may be locked and you’ll need to unlock it. To
learn how, see “Locking and Unlocking Objects” on page 219.
To select an individual object that’s been grouped with others:
Click the object you want to edit once to select the group, and again to select the
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individual object.
If clicking once doesn’t select the individual object you want, it may be nested in many
layers of grouping. Click again until the object you want is selected.
218 Chapter 9 Working with Shapes, Graphics, and Other Objects