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154 Chapter 17: Rendering
Object list
Li st of obj ect s—Shows all selected objects.
•
Name column—Lists the object’s name.
•
Ma p Channel column—Lists the object’s current
map channel setting.
•
Edge Padding column—Lists the object’s current
edge padding setting.
Selected Object Settings group
Enable—When on, the Channel and Padding
controls are used for individual, al l selected, and all
prepared objects. When off, only selected object
texture rendering uses these settings; “whole
scene” rendering does not. Default=off.
Paddi ng—The amount, in pixels, that edges are
allowed to overlap in the flattened (“unw r apped”)
texture. Default=2 pixels.
Ifthebakedtextureshowsvisibleseamswhenyou
view it in shaded viewports or renderings, try
increasing this value.
Projection Mapping group
This group contains t he controls for generating a
normal bump projection. See
Creating and Using
Normal Bump Maps (page 3–146)
Enabled—When on, normal bump projection is
enabled using a
Project ion modifier (page 1–760) .
When off, the Projection modifier is not used.
Default=off.
To generate a normal map rather than a normal
bump map, leave Enabled turned off.
Mod if i er drop -down li st—When an object has been
chosen, this list shows the Projection mod ifier. If
multiple Projection modifiers have been assigned,
their names are visible in the list as well.
Pick —Click to pick the high-resolution object
from which the Projection modifier will derive
normals. Clicking Pick displays a
Select Objects
dialog (p age 1–78)
,whichletsyouselectoneor
more objects on which to base the normals map.
Opti ons—Click to display the Projection Options
dialog (page 3–160)
, which contains various
normal bump projection sett ings. When
Individual is chosen (at the bottom of this rollout),
the options affe ct the selected object; when All
Selected or All Prepared is chosen, the options
apply to all the selected or prepared objects.
Object Level—When on, projects from the object
level of the high-resolution object. Default=on.
•
Put to B aked Material—(The default.) When
chosen, the object-level projection is rendered
in the baked material.
Sub-Object Levels—When on, uses the active
sub-object selection. Default=on.
•
Put to Bak ed Material—When chosen, the
sub-object level projection is rendered in the
baked m aterial.
The following options apply to sub-object
rendering, when only a portion of the geometry is
being rendered to the normal bump map:
•
Full Size—( T he default.) When chosen, the size
of the normal bump map is the same as if all
geometry were being rendered.
•
Propor ti onal—When chosen, the size of
the norma l bump map is fitted to the size
of sub-object selection. The Proportional
Mult iplier on the Project ion modifier’s
Reference Geometry rollout (page 1–763) can
change the default size of the proportional map.
Forexample,consideraplanethatis4segmentsx
4 segments. Each "poly" in the plane is a separate
sub-object, for a total of 16 sub-objects. If the
outputMapSizeis64,theobjectrenderingoutput
is 64 x 64 pixels. If Full Size is chosen, each
sub-object rendering is als o 64 x 64 pixels. If
Proportional is chosen, each sub-object rendering
is 16 x 16 pixels. If you change Proportional