8

Matte Texture Element Rollout 137
Inter face
Direct Li ght On— When on, the render element
includes information from any direct lights in the
scene. The light’s color and projection map should
appear.
Note: The final color for direct lighting takes
surface normals into consideration.
Indirect Light On— When on, the render element
includes information from ambient or bounced
lighting in the scene.
Note: When using radiosity, y ou should expect
things such as color bleed.
Shadows On— When on, the render element
includes shadows.
Matte Tex ture Element Rollout
Main toolbar > Render Scene button > Render Scene
dialog > Render Elements panel > Render Elements
rollout>Addbutton>RenderElementsdialog>Add
Matte element to the elements list (or s elect an existing
Matte element in the list).
Rendering menu > Render > Render Scene dialog >
Render Elements panel > Render Elements rollout > Add
button > Render Elements dialog > Add M atte element
to the elements list (or select an existing Matte element
in the list).
The Matte render element displays a matte mask
for a selected object,
mater ial effects channel
(effect ID) (page 2–1287)
,or G-Buffer ID (page
3–1040)
.Eachmatchingelementisrepresented
withawhitepixelonthemask.
For more info on matte behavior, see
Matte Object
(page 3–1065)
.
Wa rn in g: The Matte render element does n ot work
when the mental ray material is appl ied to objects.
Interfa ce
Effect ID— Sets the material effects channel (page
2–1287)
toincludeintheMatterenderelement.
G-Buf fer I D—Sets the G-Buffer ID (page 3–1040) to
includeintheMatterenderelement.
Include— Opens the Exclude/Include dialog (page
2–1179)
, where you can select objects in the scene
toexcludeorincludeinyourMattemask.
When
including , all selected objects are rendered
with white pixels.
When
excluding ,allpixelsarewhite,bydefault.
Selected objects are rendered as black pixels.
Wa rn in g: If you use Exclude, make sure the Effect ID and
G-Buffer ID parameters are not turned on. These modes
do not provide good results when used in combination.
Vel ocity El ement Pa r am eter s
Rollout
Main toolbar > Render Scene button > Render Scene
dialog > Render Elements panel > Render Elements
rollout > Add button > Render Elements dialog > Add
Velocity element to the elements list (or highlight an
existing Velocity element in the list).
Rendering menu > Render > Render Scene dialog >
Render Elements panel > Render Elements rollout > Add
button > Re nde r Eleme nts dialog > Add Velocity element
to the elements list (or highlight an existing Velocity
element in the list).
The Velocity element generate s a rendering that
con tains information about the motion of objects
in the frame. You can use the Velo city rendering to
generate motion blur when you use a composition
application such as Combustion or Flame. There
are plug-ins for com positors that generate motion