9

268 Chapter 18: Effects and Environments
parts of the scene should be rendered into the
Depth channel image.
Co py—After choosing a camera with the None
button, click Copy to use the camera’s clip ping
planes to determine which part of the scene should
be rendered into the D epth channel image file.
None—Enables you to select a camera to use for
copying clipping planes. Click the none button
to activate it. The None button will turn green
until a camera has been selected in the v iewport.
The camera’s name will then b e displayed on the
button instead of None.
Near Z—Specifies the beginning distance from the
camera that should be used in determining where
to start rendering the scene’s geometry in the
depth channel image file.
Far Z—Specifies the ending distance from the
camera that should be used in determining where
to stop rendering the scene’s geometry in the
depth channel image file.
Fit Enti re Scene—Mak es all other Depth parameters
unavailableandwillrendertheentireviewport’s
scene geometry in the Depth channel image
file, automa tically calculating the near and far Z
required.
Fi l m G rain Ren deri n g Effe ct
Rend ering menu > Effects > Environment and Effects
dialog > Effects panel > Add > Add Effect dialog > Film
Grain
Film Grain is used to recreate the look of film grain
in your rendered scene. Film Grain als o allows
you to match film grain from source material used
as a background, such as an AVI, to the rendered
scene created in the software. When applied, Film
Grain automat ical ly randomizes to create the look
of moving frames.
Before and after applying Film Grain to a scene
Interfa ce
The Film Grain Parameters rollout contains the
following controls.
Gra in—Sets the am ount of grain added to your
image. Range=0 to 1.0.
Ignore B ack ground—Masks the background so that
grain is applied only to geometry and effects in
the scene. Choose this option when you use film
(whichalreadycontainsgrain)asthebackground
image.