8

Navigating Camera and Light Views 33
Lock Hor izontal Rotation—
Pressing Lock
Horizontal Rotation (no default key) locks the
horizontal axis, so the camera or v iewpoint tilts
only vertically.
Lock Ver tical R otation—Pressing Lock Vertical
Rotation (SPACE) locks the vertical axis, so the
camera or viewpoint tilts only horizontally.
Invert V er ti cal R otati on To ggle—Pressing Invert
Vertical Rotation (no default key) inverts the tilt
directionwhenyoudragthemouse. Whenthis
toggle is off, dragging up causes scene objects to
descend in the v iew, and dragging down causes
them to rise (this is like tilting a physical camer a).
Whenthistoggleison,objectsintheviewmovein
thesamedirectionyouaredraggingthemouse.
Leve l—Pressing Level (SHI F T+SPACE) removes
anytiltorrollthecameraorviewpointmighthave,
making the view both level and vertical.
Nav igati ng Ca mera a nd Li ght
Views
The camera navigation buttons
The Camera and Light view navigation buttons
are the same with a few exceptions. The buttons
are visible when a viewport with a Camera or
Light view is active. The Camera and Light view
navigation buttons do more than adjust your view.
They transform and change the parameters of the
associated camera or light object.
Lightviewstreatthelight(spotlightordirectional
light) as if it were a camera. The light falloff is
treated the same as the camera field of view.
Keep in mind the following:
•UsingtheCameraandLightviewport
navigation buttons is the same as moving or
rotat ing the camera or Light, or changing their
base par ameters.
• Changes made with Camera or Light view
navi gation buttons can be animated the same
as other object changes.
Zooming a Camera or Light View
Zooming a ca mera
Yo u z o o m a c a m e r a v i e w b y c l i c k i n g FOV
(page 3–784)
and then dragging in the C amer a
view por t.
The field of view defines the width of your view as
an angle w ith its apex at eye level and the ends at
thesidesoftheview.TheeffectofchangingFOVis
exactly like changing the lens on a camera. As the
FOV gets larger you see more of your scene and
the perspective b ecomes distor ted, similar to using
awide-anglelens. AstheFOVgetssmalleryou
see less of your scene and the perspective flattens,
similar to using a telephoto lens. See
Cameras
(page 2–1210)
.
Click Light Hotspot (page 3–794) for a light
viewport to achieve the same effect as zooming.
The hotspot is the inner of the two circles or
rectangles visible in a light viewport. Objects
insidethehotspotareilluminatedwiththe
full intensity of the light. Objects between the
hotspot and falloff are illuminated with decreasing