Graphics Programs Reference
In-Depth Information
1. Select
table lamp
in the Object Manager and right-click on it; a shortcut menu is dis-
played . Choose
Character Tags > Constraint
from the shortcut menu; the
Constraint
Expression [Constraint]
tag is added in the Object Manager and the
Constraint [Con-
straint] Settings
area is displayed in the Attribute Manager.
2. In the
Constraints
area, select the
Parent
check box and choose the
Parent
button; the
Parent
area is displayed. Next, choose the arrow button next to the
Target
edit box in
the
Targets
area; the shape of the cursor changes. Next, select
main control
in the Object
Manager;
main control
is constrained with
table lamp
. Now if you move
main control
,
table lamp
will move along with it, refer to Figure 7-27.
The
Parent
constraint is used to create a parent-child relationship between two or more
objects. The object selected in the
Target
edit box acts as a parent of the object to which
the constraint is applied.
3. Select
support1
in the Object Manager and right-click on it; a shortcut menu is displayed.
Choose
Character Tags > Constraint
from the shortcut menu; the
Constraint Expres-
sion [Constraint]
tag is added in the Object Manager and the
Constraint [Constraint]
Settings
area is displayed in the Attribute Manager.
4. In the
Constraints
area, select the
Parent
check box and make sure the
Parent
button
is chosen. In the
Parent
area, choose the arrow button next to the
Target
edit box in the
Targets
area; the shape of the cursor changes. Now, select
support control
in the Object
Manager;
support control
is constrained with
support1
. Now, if you rotate
support con-
trol
, supports and
lamp shade
will rotate along with it, refer to Figure 7-28.
Figure 7-27
The table lamp moving along with main control
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