8

Cameras 1213
The scene’s colors desaturated using the Night shader
Lens shader : lume Night shader with M ultiplier set to 0.5
You assign camera shaders using the Render Scene
dialog’s
Camera Effects rollout (page 3–100) while
the mental ray renderer is active.
Note: No camera output shaders are prov ided with
3ds Max. You might have access to light map
shaders if you have obtained them from other
shader libraries or custom shader code.
See also
Common Camera Parameters (page 2–1218)
Characteristics of Cameras (page 2–1217)
Using Transforms to Aim a Camera (page 2–1223)
UsingClippingPlanestoExcludeGeometry(page
2–1224)
Using the Horizon to Match Perspective (page
2–1225)
Animating Cameras (page 2–1225)
Pr ocedur es
To r ender a scene using a camera:
1.
Create the camera and aim it at the geometry
youwanttobethesubjectofyourscene.Toaim
a t arget camera, dr ag the target in the direction
you want the camera to look. To aim a free
camera, rotate and move the camera icon.
2. With one camera selected, or if only one exists
inthescene,setaCameraviewportforthat
camera by activating the view port, then press
C. If multiple cameras exist and none or more
than one are selected, the software prompts you
to choose wh ich camera to use.
You c an also change to a Camera viewport
by right-clicking the viewport label and then
selecting Views and the camera of choice.
3. Adjust the camera ’s position, rotation, and
parameters using the Camera viewport’s
navigation controls. Simply activate the
viewport,thenusetheTruck,Orbit,andDolly
Camera buttons. Alternately you can select the
camera components in another viewpor t and
use the move or rotate icons.
If you do this while the
Auto K ey button (page
3–760)
is on, you animate the camera.
4. Render the camera viewport.
To change a viewpor t to a Camera view:
1.
Right-click the viewport label.
The Viewport Properties menu is displayed.
2. Cho ose Views.
Thenameofeachcameraisdisplayedatthetop
of the Views submenu.
3. Choose the name of the camera you want.
The viewport now shows the camera’s point of
view.
The default keyb oard shortcut for camera
view por ts is C.
Making a camera viewport active does not
automatically select the camera. To adjust a
camera by using its viewport and the Modify
panel at the same time, select the camera and
then make the Camera viewport active.
As in other viewports, in Camera viewports you
can opt to see a display of safe fra me areas to help
you compose the final rendered output.