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32 Chapter 2: Viewing and Navigating 3D Space
Forward, Back ward, and Sideways Movement
Formovement,youcanuseeitherthearrowkeys,
or letters at the left of the keyboard pad.
Tip: When you are in a Perspective viewport, you
can use Undo View Change and Redo View Change
(SHIF T+Z, SHIF T+Y) to undo or redo your
navigation. However, w hen you are in a Camera
v iewpor t, walkthrough anim ation transforms the
camera object, so you must use Edit > Undo and
Edit > Redo (CTRL+Z and CTRL+Y).
Holding down any of these keys causes the mot ion
to be continuous.
Forward—W or the UP ARROW. Moves the
camera or the v iewpoint forward.
Note: If you are not already in walkthrough
navigation mode, pressing the UP ARROW enters
it.
Back—S or the DOWN ARROW. Moves the
camera or the viewpoint backward.
When you are in a camera viewport, Forward and
Back are equivalent to dolly ing in or out.
Lef t —A or the LEFT ARROW. Moves the camera
or the viewpoint to the left.
Right—D or the RIGHT ARROW. Moves the
camera or the v iewpoint to the right.
When you are in a camera view p ort, Left and
Right are equivalent to trucking left or r ight.
Up—E or SHIFT+UP-ARROW. Moves the camera
or the viewpoint up.
Down—C or SHIFT+DOWN-ARROW. Moves the
camera or the viewpoint down.
Acceleration and Deceleration
Acceler a te Toggle a nd Decelera te Toggle—Pressing
Accelerate (Q) causes motion to be quicker.
Pressing Decelerate (Z) causes movement to be
slower. These cont rols are toggles: pressing the
key a second time restores the default motion rate
(and pressing the alternate key turns off the first) .
They are especially useful when you are navigating
by holding down keys.
The acceleration and deceleration toggles are
independent of the step size.
Adjusting Step Size
Increas e S tep S ize and Decreas e S tep Si ze—Pressing
Increase Step Size (]) increases the motion
increments when you move the camera or
viewpoint. Pressing Decrease Step Size ([) reduces
them. You can press either of these shortcuts
repeatedly, to increase the effect. Changing the
step size is apparent when you navigate either by
single clicks, or by holding dow n keys. Step size
changes a re useful for adjusting movement to the
scale of the scene. They are saved with the MAX
file.
Reset Step Size—Pressing Reset Step Size (ALT+[)
restoresthestepsizetoitsdefaultvalue.
The step size is independent of acceleration or
deceleration.
Rotation (Tiltin g)
Tilt View—Click+drag to tilt the camera or
view point.
Whenyouareinacameraviewport,TiltViewis
equivalent to panning the camera.
Increase R otation Sensitiv ity a nd Decrease R otation
Sensitivity—
Pressing Increase Rotation Sensitivity
(no default key) i ncreases the motion increments
when you use Tilt View. Pressing Decrease
Rotation Sensitivity (no default key) decreases
them. You can press either of these shortcuts
repeatedly, to increase the effect. They are useful
for adjusting movement to the s cale of the scene.
They are saved with the MAX file.