9

750 Chapter 21: User Interface
Inter face
Orbit Camera—Rotates a target camera about its
target. Free cameras use the invisible target, set
tothetargetdistancespecifiedinthecamera
Parameters rollout.
Pan Camera—Rotates the target about a target
camera. For a free camera, rotates the camera
about its local axes.
Li ght Vi ewport Cont rol s
Right-click any viewport label. > Views > Choose a light.
Keyboard > $
A Light view port shows the view from a spotlight
or d irectional light, looking at its target.
Light viewport controls include the following. Two
of these controls are available in all viewports.
Dolly Light, Target, or Both (page 3–751)
Light Hotspot (page 3–752)
Roll Light (page 3–753)
Zoom Extents All, Zoom Extents All Selected (page
3–737) (available in all viewports)
Light Falloff (page 3–753)
Truck Light (page 3–755)
Orbit/Pan Light (page 3–755)
Maximize Viewpor t Toggle (page 3–738) (available
in all viewports)
For photometric lights (page 2–1301),theLight
Hotspot control actually adjusts the beam angle.
At the beam angle, the light is 50 per cent of t he
maximum intensity.
Targeted photometric lights c an be used as views
only when the light’s distribution is set to spotlight.
Wa rn in g : Switching to or from a light view cl ears the
Undo/Redo lists.
Procedures
TosetaLightviewport:
1.
Activate the viewport you want to show the
view from a spotlight or directional light in the
scene.
2. Do one of the following:
•Pressthekeyboardshortcut
$ .
•Right-clicktheViewportlabel.Choose
Views and then choose the light from the
Views submenu.
3. Ifyouhavemorethanonespotlightor
directional light in the scene (and none is
selected), t he Select Lig ht dialog is displayed:
choose the light you want.
4. If there are more than 10 lights listed, the last
entry is "More Lights." Cho ose this to display
theChooseaViewdialog,whichshowsthe
complete list.
To undo changes to a Light viewport, do one of the
following:
1.
Click Undo on the main toolbar.
2. Press Ctr l+Z .
Note: This is different from orthographic
viewports, which require the use of Views menu
>Undo,or
Shif t+
Z
.