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Chapter 7: Transforming Objects, Pivoting, Aligning, and Snapping



                   Note
                   It is also important to be aware of the order of things. Transformations typically happen at the top of the stack
                   after all object properties and modifiers are applied. More on the stack is covered in Chapter 11, “Introducing
                   Modifiers and Using the Modifier Stack.” n
                           Using the transform buttons
                           The three transform buttons located on the main toolbar are Select and Move, Select and Rotate, and Select
                           and Uniform Scale, as shown in Table 7.1. Using these buttons, you can select objects and transform them
                           by dragging in one of the viewports with the mouse. You can access these buttons using three of the big
                           four keyboard shortcuts—Q for Select Objects, W for Select and Move, E for Select and Rotate, and R for
                           Select and Uniform Scale.


                     TABLE 7.1
                                                    Transform Buttons

                     Toolbar Button     Name                               Description
                                        Select and Move (W)                Enters move mode where clicking and
                                                                           dragging an object moves it.
                                        Select and Rotate (E)              Enters rotate mode where clicking and
                                                                           dragging an object rotates it.
                                        Select and Uniform Scale (R), Select and   Enters scale mode where clicking and
                                        Non-Uniform Scale, Select and Squash  dragging an object scales it.


                           Working with the Transformation Tools

                           To help you in your transformations, you can use several tools to transform objects (and you don’t even
                           need a phone booth). These tools include the Transform Gizmos, the Transform Type-In dialog box (F12),
                           Status Bar transform fields, and the Transform Managers.

                           Working with the Transform Gizmos
                           The Transform Gizmos appear at the center of the selected object (actually at the object’s pivot point) when
                           you click one of the transform buttons. The type of gizmo that appears depends on the transformation
                           mode that is selected. You can choose from three different gizmos, one for each transformation type. Each
                           gizmo includes three color-coded arrows, circles, and lines representing the X-, Y-, and Z-axes. The X-axis
                           is colored red, the Y-axis is colored green, and the Z-axis is colored blue. Figure 7.2 shows the gizmos for
                           each of the transformation types—move, rotate, and scale.
                           If the Transform Gizmo is not visible, you can enable it by choosing Views ➪ Show Transform Gizmo or by
                           pressing the X key to toggle it on and off. You can use the – (minus) and = (equal) keys to decrease or
                           increase the gizmo’s size.
                           Using the interactive gizmos
                           Moving the cursor over the top of one of the Transform Gizmo’s axes in the active viewport selects the axis,
                           which changes to yellow. Dragging the selected axis restricts the transformation to that axis only. For exam-
                           ple, selecting the red X-axis on the Move Gizmo and dragging moves the selected object along only the X-axis.

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           13_617779-ch07.indd   199                                                                     6/30/10   4:15 PM
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